CN205488802U - Card holds in palm and has its mobile device - Google Patents

Abstract

The utility model discloses a card holder and a mobile device with the same. Wherein, the card support includes: a support body, the support body includes a first end and a second end opposite to the first end, the thickness of the second end is greater than the thickness of the first end; and a support cap, the support cap is located at the first end . According to the card holder of the utility model, by making the thickness of the second end of the card holder greater than the thickness of the first end, the contact area between the card holder and the inner wall of the card slot can be reduced, thereby reducing the distance between the card holder and the housing assembly. The frictional resistance makes it easy to insert the card tray into the card slot, which makes the action of inserting and removing the card more smooth.

Description

Cato and mobile devices with it

This application claims the priority of the Chinese patent application number "201510509512.5", the application date is "2015-08-18", and the application name is "An Adaptive Card Tray and Mobile Terminal".

technical field

The utility model relates to the technical field of mobile equipment, in particular to a card holder and a mobile equipment with the same.

Background technique

Mobile devices are gradually becoming thinner and lighter, and the restrictions on the placement of chip cards (such as SIM cards, TF cards, etc.) in mobile devices are becoming more and more strict. Taking mobile phones as an example, most of the thinner mobile phones currently use drawer-type card trays. The card part of the SIM card tray should be matched with the SIM card holder, the card holder cap of the SIM card tray should be matched with the card slot of the mobile phone case, and the SIM card holder is welded on the PCB board (or FPC). It is difficult to ensure that the card slot of the SIM card holder matched with the card holder part of the SIM card is accurately aligned with the card cap groove matched with the card holder part of the SIM card. The card cap groove is completely in an ideal fit state, which will cause the user to work hard when inserting the card tray or cause a certain proportion of the card tray to be unable to be inserted into the mobile phone.

Utility model content

The utility model aims at at least solving one of the technical problems existing in the prior art. Therefore, the utility model proposes a card tray, which has the advantages of simple structure and convenient use.

The utility model also proposes a mobile device, the mobile device has the above-mentioned card holder.

According to an aspect of an embodiment of the present invention, there is provided a card tray, comprising: a tray body, the tray body includes a first end and a second end opposite to the first end, the thickness of the second end is greater than the the thickness of the first end; and a cap, the cap is arranged at the first end.

According to the card holder of the embodiment of the utility model, by making the thickness of the second end of the card holder greater than the thickness of the first end, the contact area between the card holder and the inner wall of the card slot can be reduced, thereby reducing the contact area between the card holder and the housing. The frictional resistance of the components makes it easy to insert the card tray into the card slot, thereby making the action of inserting and removing the card more smooth.

According to some embodiments of the present invention, in the direction from the second end to the first end, the thickness of at least part of the support body decreases gradually.

According to some embodiments of the present invention, the upper surface of the part of the gradually decreasing thickness of the support body is gradually inclined toward the lower surface of the support body in the direction of decreasing thickness; or, the thickness of the support body gradually decreases The lower surface of the small part is gradually inclined toward the upper surface of the support body in the direction of decreasing thickness; or, the upper and lower surfaces of the part of the gradually decreasing thickness of the support body are simultaneously facing the support in the direction of decreasing thickness. The horizontal plane of the body gradually slopes.

According to some embodiments of the present utility model, a first stepped surface is provided on the upper surface of the support body, and the first stepped surface includes: a first surface, one end of the first surface is connected to the second end and a second surface, one end of the second surface is connected to the other end of the first surface, and the other end of the second surface is located below the first surface.

According to some embodiments of the present utility model, the first surface is parallel to the horizontal plane of the support body.

According to some embodiments of the present invention, in a direction from the second end toward the first end, the first surface is gradually inclined toward the lower surface.

According to some embodiments of the present utility model, the second surface is parallel to the vertical surface or the second surface is inclined toward the first end, when the second surface is inclined toward the first end, the The other end of the second surface is connected to the first end.

According to some embodiments of the present utility model, there are multiple first stepped surfaces.

According to some embodiments of the present invention, the width of the second end is greater than the width of the first end.

According to some embodiments of the present invention, in the direction from the second end to the first end, the width of at least part of the support body decreases gradually.

According to some embodiments of the present utility model, the two side walls of the support body in its width direction are a first side wall and a second side wall, at least one of the first side wall and the second side wall There is a second step surface on the top.

According to some embodiments of the present invention, in the direction from the second end to the first end, the width of at least part of the cap gradually increases.

According to some embodiments of the present invention, in the direction from the second end to the first end, the thickness of the cap gradually increases.

According to some embodiments of the present utility model, the two wall surfaces of the supporting cap in its height direction are a first wall surface and a second wall surface, and the first wall surface includes a horizontal section parallel to the horizontal plane and a horizontal section parallel to the horizontal section. A connected inclined section, in the direction from the second end to the first end, the inclined section is gradually inclined towards the direction away from the second wall surface, the first end is connected to the horizontal section or Connect to the sloped section.

According to another aspect of the present invention, a mobile device is provided, including: a housing assembly, the housing assembly is provided with a card slot with an opening; the above-mentioned card holder, the first card holder The two ends are adapted to be inserted into the slot through the opening.

According to the mobile device of the embodiment of the present invention, by making the thickness of the second end of the card holder greater than the thickness of the first end, the contact area between the card holder and the inner wall of the card slot can be reduced, thereby reducing the contact area between the card holder and the housing. The frictional resistance of the components makes it easy to insert the card tray into the card slot, thereby making the action of inserting and removing the card more smooth.

According to some embodiments of the present utility model, the mobile device is a mobile phone, a notebook computer or a tablet computer.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is the front view of the card holder according to the utility model embodiment;

Fig. 2 is the bottom view of the card holder according to the utility model embodiment;

Fig. 3 is the front view of the card holder according to the utility model embodiment;

Fig. 4 is the bottom view of the card tray according to the embodiment of the present utility model;

Fig. 5 is a partially enlarged schematic diagram of place A in Fig. 4;

Fig. 6 is the front view of the card tray according to the embodiment of the present invention;

Fig. 7 is a bottom view of the card holder according to an embodiment of the present invention;

Fig. 8 is a partially enlarged schematic diagram of place B in Fig. 7;

Fig. 9 is a front view of the card tray according to an embodiment of the present invention;

Fig. 10 is a partially enlarged schematic diagram of place C in Fig. 9;

Fig. 11 is a bottom view of the card holder according to an embodiment of the present invention;

Fig. 12 is a partially enlarged schematic diagram at D in Fig. 11;

Fig. 13 is a partially enlarged schematic diagram at E in Fig. 11;

Fig. 14 is a schematic diagram of a partial structure of a card holder according to an embodiment of the present invention;

Fig. 15 is a schematic diagram of a partial structure of a card holder according to an embodiment of the present invention;

Fig. 16 is an exploded view of a mobile device according to an embodiment of the present invention;

Fig. 17 is a partial cross-sectional schematic diagram of a mobile device according to an embodiment of the present invention;

Fig. 18 is a partially enlarged schematic view at F in Fig. 17;

Fig. 19 is a schematic partial cross-sectional view of a mobile device according to an embodiment of the present invention.

Reference signs:

Cato 100,

The holder body 110, the first end 111, the second end 112, the first side wall 113, the second side wall 114, the second stepped surface 1141,

The upper surface 115, the first stepped surface 1151, the first surface 1152, the second surface 1153, the inclined surface 1154,

lower surface 116, placement portion 117,

Cap 120, first wall 121, second wall 122, horizontal section 123, inclined section 124,

mobile device 200,

The housing assembly 210, the card slot 211, the opening 222,

PCB board 220, card holder 230, SIM card 240, TF card 250,

Horizontal plane H, vertical plane V.

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Axial", "Radial", "Circumferential" The orientations or positional relationships indicated by ", etc. are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, so as to Specific orientation configurations and operations, therefore, should not be construed as limitations on the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, unless otherwise specified, "plurality" means two or more.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

The mobile device 200 according to the embodiment of the present invention will be described in detail below with reference to FIGS. 1-19 . It should be noted that the mobile device 200 is a mobile phone, a notebook computer or a tablet computer.

As shown in FIGS. 1-19 , the mobile device 200 according to the embodiment of the present invention includes: a housing assembly 210 and a card tray 100 .

Specifically, the housing assembly 210 is provided with a slot 211 having an opening 222 . The card tray 100 includes a tray body 110 and a tray cap 120 . Wherein, the holder body 110 includes a first end 111 and a second end 112 opposite to the first end 111, the thickness of the second end 112 is greater than the thickness of the first end 111, and the second end 112 of the card holder 100 is suitable for opening 222 Insert it into the card slot 211. The "thickness" here may refer to the thickness of the support body 110 in the vertical direction as shown in FIG. 17 . The cap 120 is disposed at the first end 111 , and the cap 120 is adapted to cover the opening 222 of the slot 211 when the bracket body 110 is fully inserted into the slot 211 .

The card tray 100 can be provided with a plurality of placement parts 117, and a SIM card 240 (also called a smart card, a user identification card), a TF card 250 (also called a Micro SD card) and the like can be placed in the placement parts 117. As shown in FIGS. 16-19 , the mobile device 200 may also include a PCB board 220 and a card holder 230 , and after placing the SIM card 240 and/or TF card 250 in the placement portion 117 , insert the card holder 100 into the card slot 211 Inside, when the card tray 100 is fully inserted into the card slot 211 , the tray body 110 fits with the card holder 230 , the SIM card 240 and/or TF card 250 is connected to the PCB board 220 , and the cap 120 blocks the opening 222 of the card slot 211 .

It should be noted that, by making the thickness of the second end 112 of the card holder 100 greater than the thickness of the first end 111, the manufacturing accuracy requirements of the card holder 100, the card holder 230, and the surrounding structural parts can be reduced, so that it can be passed Improve the production yield of these parts, and then can achieve the purpose of reducing production costs.

According to the mobile device 200 of the embodiment of the present invention, by making the thickness of the second end 112 of the card holder 100 greater than the thickness of the first end 111, the contact area between the card holder 100 and the inner wall of the card slot 211 can be reduced, thereby The frictional resistance between the card tray 100 and the housing assembly 210 is reduced, which facilitates inserting the card tray 100 into the card slot 211 , thereby making the action of inserting and removing the card more smooth.

In one embodiment of the present invention, as shown in FIG. 18 , in the thickness direction from the second end 112 to the first end 111, the thickness of the holder cap 120 gradually increases, thereby facilitating the guidance of the holder body 110 to In the card slot 211, the contact area between the cap 120 and the inner wall of the card slot 211 can be reduced at the same time, thereby reducing the frictional resistance between the card tray 100 and the housing assembly 210, thereby making the action of inserting and removing the card smoother. It should be noted that the "thickness of the cap 120" here may refer to the thickness of the cap 120 in the vertical direction shown in FIG. 18 .

In order to improve the aesthetic appearance of the mobile device 200, as shown in FIG. 18 , in one embodiment of the present utility model, the wall surface of the cap 120 facing the outside of the housing assembly 210 (the direction of the cap 120 as shown in FIG. 18 The wall on the right side) is flush with the outer surface of the housing assembly 210.

In another embodiment of the present invention, as shown in FIG. 19 , in the direction from the second end 112 to the first end 111 , the width of the support body 110 in the front-back direction gradually decreases. It should be noted that the "width of the support body 110" here may refer to the width of the support body 110 in the front-rear direction shown in FIG. 19 . In this way, the frictional resistance between the holder body 110 and the inner wall of the slot 211 can be further reduced, thereby facilitating the insertion of the holder body 110 into the slot 211 .

The card tray 100 according to the embodiment of the present utility model will be described below with reference to FIGS. 1-15 . It should be noted that the card tray 100 can be used in mobile devices 200 such as mobile phones, notebook computers or tablets. Taking a mobile phone as an example, the mobile phone needs to be inserted into a SIM card 240 (also known as a smart card, a user identification card) and/or a TF card when in use. The card 250 and the card tray 100 can be used to hold the SIM card 240 and/or the TF card 250, so that the SIM card 240 and/or the TF card 250 can be stably contacted with the PCB board 220 in the mobile phone.

As shown in FIGS. 1-15 , the card holder 100 according to the embodiment of the present invention includes a holder body 110 and a holder cap 120 .

Specifically, as shown in FIGS. 1-2 , the holder body 110 includes a first end 111 and a second end 112 opposite to the first end 111, the thickness of the second end 112 is greater than the thickness of the first end 111, and the holder cap 120 is disposed on the first end 111 . The "thickness" here may refer to the thickness of the support body 110 in the vertical direction as shown in FIG. 2 . When the holder body 110 is fully inserted into the slot 211 , the cap 120 is adapted to cover the opening 222 of the slot 211 . For example, as shown in FIG. 2 , the vertical thickness of the second end 112 of the support body 110 is H2, and the vertical thickness of the first end 111 of the support body 110 is H1, wherein H2>H1.

It should be noted that the card holder 100 is suitable for being inserted into the corresponding equipment, wherein the holder body 110 is suitable for matching with the corresponding structure (such as the slot 211) of the corresponding equipment, and the supporting cap 120 can be used as a handle member for easy operation, while the supporting cap 120 can also be used as a decorative part to cover the corresponding structure matched with the holder body 110. By making the thickness of the second end 112 greater than the thickness of the first end 111, it is convenient to insert the card holder 100 into the corresponding structure of the corresponding device, reducing the number of holders 100. The frictional resistance between the device and the corresponding equipment can further improve the smoothness of the actions of inserting the card tray 100 and pulling out the card tray 100 .

According to the card holder 100 of the embodiment of the present utility model, by making the thickness of the second end 112 of the card holder 100 greater than the thickness of the first end 111, the contact area between the card holder 100 and the inner wall of the card slot 211 can be reduced, thereby The frictional resistance between the card tray 100 and the housing assembly 210 is reduced, which facilitates inserting the card tray 100 into the card slot 211 , thereby making the action of inserting and removing the card more smooth.

According to an embodiment of the present invention, in the direction from the second end 112 to the first end 111 , the thickness of at least part of the support body 110 gradually decreases.

In some embodiments of the present invention, the upper surface 115 of the gradually decreasing thickness portion of the holder body 110 is gradually inclined toward the lower surface 116 of the holder body 110 along the direction of thickness reduction. Thus, the smoothness of the structure of the card tray 100 can be improved. For example, as shown in FIGS. 9-13 , the upper surface 115 of the holder body 110 includes at least one inclined surface 1154 . Surface 116 is gradually sloped. Thus, the structure of the support body 110 can be simplified and the production cost can be saved.

In some other embodiments of the present invention, the lower surface 116 of the gradually decreasing thickness portion of the holder body 110 is gradually inclined toward the upper surface 115 of the holder body 110 along the direction of thickness reduction. In some other embodiments of the present invention, the upper and lower surfaces 115 and the lower surface 116 of the gradually decreasing thickness portion of the holder body 110 are gradually inclined towards the horizontal plane of the holder body 110 along the direction of thickness reduction. Here, "the horizontal plane of the support body 110" may refer to a plane located in the middle of the support body 110 and parallel to the horizontal plane H as shown in FIG. 8 .

According to some embodiments of the present utility model, as shown in FIGS. . Wherein, one end of the first surface 1152 is connected to the second end 112, one end of the second surface 1153 is connected to the other end of the first surface 1152, and the other end of the second surface 1153 is located below the first surface 1152 and connected to the first end. 111 connections. Thus, it is convenient to realize that the thickness of the second end 112 of the support body 110 is greater than the thickness of the first end 111 .

Further, in order to simplify the processing procedure of the holder body 110 , in the examples shown in FIGS. 4-5 , the first surface 1152 is parallel to the horizontal plane of the holder body 110 . It can be understood that the structure of the first surface 1152 is not limited thereto. For example, in the direction from the second end 112 to the first end 111, the first surface 1152 is gradually inclined toward the lower surface 116, thereby facilitating the raising of the card, The smoothness of the card-drawing action. Furthermore, the second surface 1153 is parallel to the vertical plane V or the second surface 1153 is inclined toward the first end 111. When the second surface 1153 is inclined toward the first end 111, the other end of the second surface 1153 can be aligned with the first end 111. 111, which can further improve the smoothness of card insertion and card removal.

In some embodiments of the present invention, a plurality of first stepped surfaces 1151 may be provided on the upper surface of the support body 110 . In some other embodiments of the present invention, the upper surface of the support body 110 may be provided with a first stepped surface 1151 and an inclined surface 1154 at the same time. As a result, the structural diversity of the card tray 100 can be increased. For example, as shown in Figure 8, a first stepped surface 1151 and an inclined surface 1154 are provided on the support body 110, wherein the first stepped surface 1151 includes a first surface 1152 and a second surface 1153, and the first surface 1152 and the horizontal plane H Parallel, the second surface 1153 is parallel to the vertical plane V, the left end of the first surface 1152 is connected to the second end 112, the right end of the first surface 1152 is connected to the upper end of the second surface 1153, and the lower end of the second surface 1153 is connected to the inclined surface The left end of 1154 is connected, the right end of the inclined surface 1154 is connected with the first end 111, and the inclined surface 1154 is inclined toward the lower surface 116 of the holder body 110 in the direction from left to right.

According to some embodiments of the present invention, as shown in FIGS. 1-9 , the width of the second end 112 is greater than the width of the first end 111 . The "width" here may refer to the width of the support body 110 in the front-rear direction (the front-rear direction as shown in FIGS. 1 , 3 , 6 and 9 ). Thus, it is convenient to insert the card tray 100 into the corresponding equipment, and at the same time, the frictional resistance between the card tray 100 and the corresponding equipment can be reduced. For example, as shown in FIG. 1 , FIG. 3 , FIG. 6 and FIG. 9 , the width of the second end 112 of the support body 110 is L2, and the width of the first end 111 is L1, wherein L2>L1.

In some embodiments of the present invention, as shown in FIG. 9 , in the direction from the second end 112 to the first end 111 , the width of at least part of the support body 110 gradually decreases. For example, in the direction from left to right in FIG. 9 , the width of the part of the support body 110 close to the second end 112 gradually decreases. In other embodiments of the present utility model, as shown in FIG. 6 , the two side walls of the holder body 110 in its width direction are a first side wall 113 and a second side wall 114 , and the first side wall 113 and the second side wall At least one of the second sidewalls 114 is provided with a second stepped surface 1141 . Thus, the structural diversity of the card tray 100 can be increased.

According to some embodiments of the present invention, as shown in FIG. 10 , in the direction from the second end 112 to the first end 111 , the width of at least part of the cap 120 gradually increases. The "width" here refers to the width in the front-rear direction as shown in FIG. 10 . As shown in Fig. 9, in the direction from left to right, the width of the entire cap 120 in the front-back direction gradually increases. Thus, the contact area between the holder cap 120 and the corresponding equipment is reduced, and the frictional resistance between the holder cap 120 and the corresponding equipment is reduced, so that it is convenient to insert the card holder 100 into the inside of the corresponding equipment, and then insert the holder 100 and pull out the card. The movement of the 100 is more fluid.

As shown in FIG. 12 , according to some other embodiments of the present invention, in the direction from the second end 112 to the first end 111 , the thickness of the cap 120 gradually increases. The "thickness" here may refer to the thickness in the upper phase direction as shown in FIG. 12 . Thus, the contact area between the holder cap 120 and the corresponding equipment is reduced, and the frictional resistance between the holder cap 120 and the corresponding equipment is reduced, so that it is convenient to insert the card holder 100 into the inside of the corresponding equipment, and then insert the holder 100 and pull out the card. The movement of the 100 is more fluid.

As shown in Figures 14-15, according to some other embodiments of the present utility model, the two wall surfaces of the holder cap 120 in its height direction are a first wall surface 121 and a second wall surface 122, and the first wall surface 121 includes a horizontal surface The parallel horizontal section 123 and the inclined section 124 connected with the horizontal section 123, on the direction from the second end 112 to the first end 111, the inclined section 124 is gradually inclined towards the direction away from the second wall surface 122, and the first end 111 It is connected with the horizontal section 123 or with the inclined section 124 . Thus, the contact area between the cap 120 and the corresponding equipment is reduced, and the frictional resistance between the cap 120 and the corresponding equipment is reduced.

For example, as shown in Figure 14, the first wall 121 includes an inclined section 124 and a horizontal section 123, the left end of the inclined section 124 is connected with the first end 111 of the holder body 110, and the horizontal section 123 is connected with the right end of the inclined section 124; 15, the first wall 121 includes an inclined section 124 and a horizontal section 123, the left end of the horizontal section 123 is connected to the first end 111 of the holder body 110, and the right end of the horizontal section 123 is connected to the inclined section 124. It should be noted that, as shown in FIG. 14 , the second wall surface 122 may also include an inclined section 124 and a horizontal section 123. The right end of the section 124 is connected, and in the direction from left to right in FIG. 14 , the inclined section 124 is gradually inclined toward a direction away from the first wall surface 121 .

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "exemplary embodiments," "example," "specific examples," or "some examples" is intended to mean that the implementation Specific features, structures, materials or characteristics described in an embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications, the scope of the present invention is defined by the claims and their equivalents.

Claims (16)

1. A kind of Cato, is characterized in that, comprises: a support body, the support body includes a first end and a second end opposite to the first end, the thickness of the second end is greater than the thickness of the first end; A support cap, the support cap is arranged at the first end. 2 . The card tray according to claim 1 , wherein the thickness of at least part of the tray body decreases gradually in a direction from the second end to the first end. 3 . 3. The card tray according to claim 2, characterized in that, the upper surface of the part of the gradually decreasing thickness of the supporting body is gradually inclined toward the lower surface of the supporting body in the direction of decreasing thickness; or, The lower surface of the portion where the thickness of the support body gradually decreases is gradually inclined toward the upper surface of the support body in a direction of decreasing thickness; or, The upper and lower surfaces of the part of the support body whose thickness gradually decreases are gradually inclined toward the horizontal plane of the support body along the direction of thickness decrease. 4. The card holder according to claim 1, wherein the upper surface of the holder body is provided with a first step surface, and the first step surface comprises: a first surface, one end of the first surface is connected to the second end; and A second surface, one end of the second surface is connected to the other end of the first surface, and the other end of the second surface is located below the first surface. 5. The card tray according to claim 4, wherein the first surface is parallel to the horizontal plane of the tray body. 6 . The card holder according to claim 4 , wherein, in a direction from the second end toward the first end, the first surface is gradually inclined toward the lower surface of the holder body. 6 . 7. The card holder according to claim 4, wherein the second surface is parallel to the vertical surface or the second surface is inclined toward the first end, when the second surface is toward the first end When one end is inclined, the other end of the second surface is connected to the first end. 8. The card tray according to claim 4, wherein there are multiple first stepped surfaces. 9. The card tray according to claim 1, wherein the width of the second end is greater than the width of the first end. 10. The card tray according to claim 9, wherein the width of at least part of the tray body decreases gradually in the direction from the second end to the first end. 11. The card tray according to claim 9, characterized in that, the two side walls of the support body in its width direction are a first side wall and a second side wall, and the first side wall and the second side wall are At least one of the two side walls is provided with a second stepped surface. 12. The card tray according to claim 1, wherein the width of at least part of the cap gradually increases in a direction from the second end to the first end. 13. The card tray according to claim 1, wherein the thickness of the cap gradually increases in a direction from the second end to the first end. 14. The card holder according to claim 1, wherein the two wall surfaces of the holder cap in its height direction are a first wall surface and a second wall surface, and the first wall surface includes a horizontal wall parallel to the horizontal plane. section and an inclined section connected to the horizontal section, in the direction from the second end to the first end, the inclined section is gradually inclined towards the direction away from the second wall, and the first end Connect with the horizontal section or connect with the inclined section. 15. A mobile device, comprising: A housing assembly, the housing assembly is provided with a card slot with an opening; The card tray according to any one of claims 1-14, the second end of the card tray is suitable for being inserted into the card slot from the opening. 16. The mobile device according to claim 15, wherein the mobile device is a mobile phone, a notebook computer or a tablet computer.