CN209514631U

CN209514631U - A kind of card reader and card-reading apparatus

Info

Publication number: CN209514631U
Application number: CN201920309084.5U
Authority: CN
Inventors: 李东声
Original assignee: Tendyron Technology Co Ltd
Current assignee: Tendyron Technology Co Ltd
Priority date: 2019-03-12
Filing date: 2019-03-12
Publication date: 2019-10-18
Anticipated expiration: 2029-03-12

Abstract

The utility model discloses a kind of card reader and card-reading apparatus.Card reader includes: front housing, the first printed circuit board, enclosure body, the first shielding material, battery, secondary shielding material, the second printed circuit board, flexible circuit board, two conduction elements and rear shell, enclosure body is equipped with the first empty window, the surrounding setting limit edge of the first empty window；First shielding material is fixed on limit along upper；First printed circuit board is attached on the first shielding material；Secondary shielding material is attached on battery, is fixed on the second printed circuit board；Battery is electrically connected with the second printed circuit board；Second printed circuit board is fixed in enclosure body；Front housing is covered in enclosure body and the first printed circuit board；Rear shell is covered on the one side of the unlocked battery of the second printed circuit board；Enclosure body is opened up there are two non-intercommunicating pore；In one non-intercommunicating pore of insertion respectively of two conduction elements, one end is electrically connected with the second printed circuit board, and the exposed surface in enclosure body of the other end forms conductive contact area.

Description

Card reader and card reading equipment

Technical Field

The utility model relates to an electron technical field especially relates to a card reader and card reading equipment.

Background

At present, a card reader is generally connected with a terminal such as a computer or a notebook computer through a USB interface or a serial port, and the connected terminal supplies power to the card reader through the USB interface or the serial port, so that the IC card reader needs to be always connected with the terminal when in use, and the mobility of the card reader is limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems.

A primary object of the present invention is to provide a card reader.

Another object of the utility model is to provide a card reading device.

In order to achieve the above object, the technical solution of the present invention is specifically realized as follows:

an aspect of the present invention provides a card reader, including: preceding shell, first printed circuit board, casing body, first shielding material, battery, second shielding material, second printed circuit board, flexible circuit board FPC, two lead on piece and backshell, wherein: the shell body is a thin plate with a certain thickness, a first hollow window penetrating through the shell body in the thickness direction is formed in the shell body, a limiting edge lower than the first surface of the shell body is arranged on the periphery of the first hollow window, a first containing opening penetrating through the shell body in the thickness direction is formed in the limiting edge, and the first surface is perpendicular to the thickness direction of the shell body; the first shielding material is fixed on the limiting edge and covers the first hollow window, and a notch matched with the first accommodating opening in size is formed in the position, corresponding to the first accommodating opening, of the limiting edge; the first printed circuit board is attached to the first shielding material in parallel, the periphery of the first printed circuit board is fixed on the limiting edge, and the first printed circuit board is flush with the first surface of the shell body; the second shielding material is attached to the battery and fixed on the second printed circuit board together with the battery, and the second shielding material is abutted against the second printed circuit board; the battery is electrically connected with the second printed circuit board; the second printed circuit board is fixed on a second surface of the shell body, and the battery is accommodated in the first hollow window, wherein the second surface is opposite to the first surface; the flexible circuit board FPC is accommodated in the first accommodating opening and electrically connected with the first printed circuit board and the second printed circuit board; the front shell covers the shell body and the first printed circuit board; the rear shell covers one side of the second printed circuit board, on which the battery is not fixed; two non-communicated holes are formed in the third surface of the shell body, wherein the third surface is perpendicular to the first surface; and the two conducting pieces are respectively inserted into the non-communicated holes, one ends of the two conducting pieces are electrically connected with the second printed circuit board, and the other ends of the two conducting pieces are exposed on the surface of the shell body to form a conducting contact area.

Optionally, the method further comprises: a first display screen; the shell body is also provided with a second hollow window penetrating through the shell body in the thickness direction; the first display screen is fixed on the second printed circuit board and accommodated in the second hollow window, the display surface of the first display screen is parallel to the first surface and faces the front shell, and the display surface of the first display screen is flush with the first surface; the front shell is provided with a display window, and the size and the position of the display window correspond to the display area of the first display screen.

Optionally, the method further comprises: a second display screen; the second display screen is fixed on the second printed circuit board, and the display surface of the second display screen is parallel to the first surface and faces the rear shell; a second accommodating opening penetrating through the second printed circuit board in the thickness direction is formed in the second printed circuit board, and the second display screen is accommodated in the second accommodating opening.

Optionally, the first display screen and the second display screen are fixed back to back on the second printed circuit board.

Optionally, the rear shell is a transparent protective film.

Optionally, one or two grooves are further formed in the peripheral wall of the housing body, and the one or two grooves are located between the two non-communicated holes.

Optionally, the size of the second printed circuit board is matched with the housing body, an adhesive is disposed on the peripheral edge of the second printed circuit board, and the second printed circuit board is fixed on the housing body through the adhesive.

Optionally, the two conducting pieces are fixed on the shell body through screws.

The utility model discloses another aspect provides a card reading equipment, include: charger and above-mentioned card reader, wherein, the charger includes: the rechargeable battery is welded on the rechargeable circuit board, the rechargeable circuit board is arranged in the accommodating space and fixed on the shell, an opening is formed in the shell, two charging electrodes of the rechargeable circuit board penetrate through the opening to be exposed on the outer surface of the shell, the first rechargeable metal contact arm and the second rechargeable metal contact arm are fixed on the shell, one end of the first rechargeable metal contact arm and one end of the second rechargeable metal contact arm are respectively in contact with the charging electrode of one rechargeable circuit board, and the other end of the first rechargeable metal contact arm and the other end of the second rechargeable metal contact arm are suspended in the air.

Optionally, the first charging metal contact arm and the second charging metal contact arm are fixed to the housing to form a hollow window, and the card reader is placed in the hollow window.

By the foregoing the technical scheme provided by the utility model, the utility model provides a card reader is provided with the battery in this card reader, and is provided with the piece that switches on that is connected with second printed circuit board electricity on this card reader to the use user can charge the battery of card reader through the conductive contact district that switches on the piece and form on the surface of casing body, makes the card reader need not with terminal wired connection, has improved the mobility of card reader.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded view of a card reader provided in embodiment 1 of the present invention;

fig. 2 is a schematic perspective view of an assembled card reader provided in embodiment 1 of the present invention;

fig. 3 is an exploded view of a charger provided in embodiment 2 of the present invention;

fig. 4 is a perspective structural view of a card reading device provided in embodiment 2 of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or quantity or location.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Example 1

The embodiment provides a card reader.

Fig. 1 is an exploded view of a card reader according to this embodiment, and as shown in fig. 1, the card reader according to this embodiment mainly includes: a front case 10, a first printed circuit board 20, a case body 30, a first shielding material 40, a battery 50, a second shielding material 60, a second printed circuit board 70, a flexible circuit board (FPC)80, two conductive members 90, and a rear case 100.

In this embodiment, as shown in fig. 1, the housing body 30 is a thin plate with a certain thickness, and the housing body 30 is provided with a first hollow 301 penetrating through the thickness direction thereof, a limiting edge 302 lower than a first surface 304 of the housing body 30 is disposed around the first hollow 301, and a first receiving opening 303 penetrating through the thickness direction thereof is formed on the limiting edge 302, wherein the first surface 304 is perpendicular to the thickness direction of the housing body 30.

In a specific application, as shown in fig. 1, the housing body 30 may be a thin plate similar to a rectangle, but of course, the specific shape of the housing body 30 is not limited thereto, and the specific shape is related to the main shape of the card reader, and the embodiment is not limited thereto.

In the present embodiment, the shape and size of the first hollow window 301 may be determined according to the battery 50 used by the card reader, as shown in fig. 1, in the present embodiment, the first hollow window 301 may be in a rectangular-like shape.

In a specific application, the position of the first receiving opening 303 may be set according to actual requirements, for example, in fig. 1, the first receiving opening 303 is disposed at one corner of the first hollow window 301, but is not limited thereto, and the first receiving opening 303 may also be disposed at other positions of the first hollow window 301.

In this embodiment, the first shielding material 40 is fixed on the limiting edge 302 and covers the hollow window 301, and a notch 401 matching with the first receiving opening is disposed at a position of the first shielding material 40 corresponding to the first receiving opening 303 on the limiting edge 302. The first printed circuit board 20 is attached to the first shielding material 40 in parallel, fixed on the limiting edge at the periphery, and flush with the first surface 304 of the housing body 30. The front case 10 is covered on the case body 30 and the first printed circuit board 20. In the present embodiment, after the first printed circuit board 20 is attached to the first shielding material 40, one surface of the first printed circuit board 20 is flush with the first surface 304 of the housing body 30, and thus, the front case 10 can be flatly covered on the housing body 30 and the first printed circuit board 20.

In a particular application, the front cover 10 may be a LENS for aesthetic purposes.

In this embodiment, the second shielding material 60 is attached to the battery 50 and fixed to the second printed circuit board 70 together with the battery 50, and the second shielding material 60 abuts against the second printed circuit board 70. The battery 50 is electrically connected to the second printed circuit board 70. The battery 50 may power the card reader.

In a specific application, the second shielding material 60 may have the same shape and size as the battery 50, or the second shielding material 60 may have a size larger than the battery 50, but for convenience of electrically connecting the first printed circuit board 20 and the second printed circuit board 70, it is preferable that the second shielding material 60 has the same shape and size as the battery 50, as shown in fig. 1.

In the present embodiment, the second printed circuit board 70 is fixed on the second surface of the case body 30, and the battery 50 is accommodated in the first hollow window 301, wherein the second surface is opposite to the first surface 304, that is, in the present embodiment, the second printed circuit board 70 and the first printed circuit board 20 are assembled at both sides of the battery 50, and the battery 50 is accommodated in the first hollow window 301 of the case body 30. A flexible circuit board (FPC)80 is accommodated in the first accommodation opening 303, electrically connecting the first printed circuit board 20 and the second printed circuit board 70. The first printed circuit board 20 and the second printed circuit board 70 may be electrically connected through the flexible circuit board 80 so that the first printed circuit board 20 may perform data interaction with the second printed circuit board 70.

In an alternative embodiment of this embodiment, the first printed circuit board 20 may be soldered to the second printed circuit board by the flexible circuit board 80.

In an alternative embodiment of the present embodiment, the second printed circuit board 70 may be sized to completely match the second surface of the housing body 30, and the second printed circuit board 70 may be fixed to the housing body 30 by an adhesive. For example, an adhesive may be provided on the peripheral edge of the second printed circuit board 70, and the second printed circuit board 70 may be fixed to the case body 30 by the adhesive. In a specific application, as shown in fig. 1, the second printed circuit board 70 may be fixed to the case body 30 using a double-sided tape 701.

In this embodiment, the rear case 100 may cover a side of the second printed circuit board 70 where the battery 50 is not fixed, so that the side of the second printed circuit board 70 where the battery 50 is not fixed is not exposed to the outside, and protects the second printed circuit board.

In the embodiment, two non-communicating holes 305 are formed on a third surface of the housing body 30, wherein the third surface is perpendicular to the first surface 304. As shown in fig. 1, the third surface may be a top surface of the housing body 30. During assembly, the two conductive members 90 are respectively inserted into one of the non-connected holes 305, one end of each of the two conductive members 90 is electrically connected to the second printed circuit board 70, and the other end thereof is exposed on the surface of the housing body 30 to form a conductive contact area.

In an alternative embodiment of the present embodiment, the conducting member 90 may be fixed to the housing body 30 by a screw 130. For example, as shown in fig. 1, two screw holes may be provided in the conducting member 90, corresponding holes may be provided at corresponding positions of the housing body 30, and the conducting member 90 and the housing body 30 may be fixed together by screws 130.

In an alternative embodiment of this embodiment, a through hole or a groove may be formed at a lower portion of the hole 305 to expose the conductive element 90, and two protruding contact points are provided on the second printed circuit board 70 to contact the exposed portion of the conductive element 90, so that one end of the conductive element 90 is electrically connected to the second printed circuit board 70. Alternatively, one end of the conducting member 90 may be electrically connected to the second printed circuit board 70 through a screw 130, and the embodiment is not limited thereto.

In a specific application, a charging circuit may be disposed on the second printed circuit board 70, and a user may charge the battery 50 by forming a conductive contact area on the surface of the housing body 30 through the two conducting members 90, so that the battery 50 may be charged when the power of the battery 50 is insufficient.

In a specific application, the material of the conducting element 90 may be metal or other conductive materials, and the embodiment is not limited thereto.

In an optional implementation manner of this embodiment, an antenna of the card reader may be disposed on the first printed circuit board 20, and components such as a card reading circuit of the card reader may be disposed on the second printed circuit board 70, which is not limited in this embodiment.

In an optional implementation manner of this embodiment, as shown in fig. 1, the card reader may further include: a first display screen 110; wherein, the shell body 30 is further provided with a second hollow window 306 penetrating through the thickness direction thereof; the first display screen 110 is fixed on the second printed circuit board 70 and accommodated in the second hollow window 306, the display surface of the first display screen 110 is parallel to the first surface 304 and faces the front shell 10, and the display surface of the first display screen 110 is flush with the first surface 304; the front case 10 is provided with a display window 101, and the size and position of the display window 101 correspond to the display area of the first display screen 110. In this alternative embodiment, the first display screen 110 is electrically connected to the second printed circuit board 70 for displaying the processed data of the card reader to the user, for example, displaying the information in the IC card read by the card reader.

In the above alternative embodiment, as shown in fig. 1, the card reader may further include: a second display screen 120; wherein the second display screen 120 is fixed on the second printed circuit board 70, and the display surface of the second display screen 120 is parallel to the first surface 304 and faces the rear case 100; the second pcb 70 has a second receiving opening 702 formed therethrough in a thickness direction thereof, and the second display 120 is received in the second receiving opening 702. In this alternative embodiment, the second display screen 120 is also electrically connected to the second printed circuit board 70 for displaying the processing data of the card reader to the user, for example, displaying the information in the IC card read by the card reader, and in this alternative embodiment, the card reader has two display screens, and the two display screens are respectively oriented to two directions of the card reader, so that the information displayed by the card reader can be seen whether the user swipes the card facing to the first surface of the housing body 30 or swipes the card facing to the second surface of the housing body 30, which is convenient for the user to read.

In the above alternative embodiment, the first display screen 110 and the second display screen 120 may be fixed back to back on the second printed circuit board 70. For example, in fig. 1, the bottom portions of the first display screen 110 and the second display screen 120 respectively have a fixing portion, and the first display screen 110 and the second display screen 120 are placed back to back, and the fixing portions of the first display screen 110 and the second display screen 120 are inserted into the second printed circuit board 70. Of course, the present invention is not limited thereto, and the first display screen 110 and the second display screen 120 may also be fixed in other manners, and the present embodiment is not limited thereto.

In the above alternative embodiment, in order to make the display content on the second display screen 120 visible to the user, a visible window may be provided on the rear shell 100 at a position corresponding to the display area of the second display screen 120, or the rear shell 100 may be made of a transparent material.

In another alternative embodiment of this embodiment, the rear case 100 may be a transparent protective film.

In an alternative embodiment of this embodiment, one or two grooves may be further formed on the peripheral wall of the housing body 30, and one or two grooves are located between two non-communicated holes. When the metal contact arm is used to connect the conductive contact area formed by exposing the conductive member 90 on the surface of the housing body 30, the end of the metal contact arm can be clamped into the groove, so that the metal contact arm can be reliably contacted with the conductive contact area.

Fig. 2 is a schematic perspective view of an assembled card reader provided in this embodiment, and as shown in fig. 2, the card reader provided in this embodiment has two external interfaces 200 (i.e., the conductive contacts mentioned above), through which data transmission can be performed with the second printed circuit board 70 of the card reader, for example, charging the card reader, etc., so that the card reader is prevented from being in wired connection with a terminal, and the mobility of the card reader is improved.

Example 2

The present embodiment provides a card reading device including a card reader 1 and a charger 2.

In this embodiment, the card reader 1 of the card reading device may adopt the card reader described in embodiment 1, specifically refer to the description of embodiment 1, and in this embodiment, the structure of the charger 2 is mainly described.

Fig. 3 is an exploded view of a charger in the present embodiment, and as shown in fig. 3, the charger 2 mainly includes: the charging device comprises a shell, a charging battery 32, a charging circuit board 33, a first charging metal contact arm 34 and a second charging metal contact arm 35, wherein the shell is limited to form a containing space, the charging battery 32 is welded on the charging circuit board 33, the charging circuit board 33 is arranged in the containing space of the shell and fixed on the shell, an opening is formed in the shell, two charging electrodes 331 of the charging circuit board 33 are exposed out of the outer surface of the shell through the opening, the first charging metal contact arm 34 and the second charging metal contact arm 35 are fixed on the shell, one end of each of the first charging metal contact arm 34 and the second charging metal contact arm 35 is in contact with the charging electrode 331 of one charging circuit board 33, and the other end of each of.

In an alternative embodiment of this embodiment, as shown in fig. 3, the housing may be divided into a front housing 311 and a rear housing 312, the charging circuit board 33, the first charging metal contact arm 34 and the second charging metal contact arm 35 may be fixed to the front housing 311 and the rear housing 312 by screws 36, an opening 313 is provided at the bottom of the rear housing 312, and two charging electrodes 331 of the charging circuit board 33 protrude through the opening 313 to be electrically connected to the first charging metal contact arm 34 and the second charging metal contact arm 35.

In an alternative embodiment of this embodiment, first charging metal contact arm 34 and second charging metal contact arm 35 are fixed to the housing to form a cavity in which reader 1 is placed. As shown in fig. 3, the upper half portions of the first charging metal contact arm 34 and the second charging metal contact arm 35 are half-h-shaped, and after the first charging metal contact arm 34 and the second charging metal contact arm 35 are fixed on the housing, a rectangular hollow window is formed at the upper half portions of the first charging metal contact arm 34 and the second charging metal contact arm 35, so that the card reader 1 can be accommodated therein. With this alternative embodiment, when the battery in the card reader 1 is low in charge, the card reader 1 may be accommodated in the hollow window formed by the first charging metal contact arm 34 and the second charging metal contact arm 35, and the other ends of the first charging metal contact arm 34 and the second charging metal contact arm 35 are electrically connected to the conductive contact area on the surface of the housing body of the card reader 1, so that the battery of the card reader 1 may be charged.

It should be noted that the first charging metal contact arm 34 and the second charging metal contact arm 35 shown in fig. 3 have a rectangular-like hollow window formed on the upper half portion thereof, which is an alternative embodiment, and in a specific application, the shape and size of the hollow window formed on the upper half portions of the first charging metal contact arm 34 and the second charging metal contact arm 35 may be determined according to the shape and size of the actual card reader 1, and the embodiment is not limited in this embodiment.

In an alternative embodiment of this embodiment, as shown in fig. 3, the other ends of the first charging metal contact arm 34 and the second charging metal contact arm 35 may be configured as a hook shape, and a protrusion 341 and a protrusion 351 may be respectively disposed at positions corresponding to the conductive contact area of the card reader 1, so that, in use, the other ends of the first charging metal contact arm 34 and the second charging metal contact arm 35 may be hooked into a groove formed on the peripheral wall of the card reader 1, so that the protrusion 341 and the protrusion 351 are in contact with the conductive contact area of the card reader 1 more firmly.

Fig. 4 is a perspective view of the card reading device when the card reader 1 is charged by the charger 2 according to the embodiment, and as shown in fig. 4, when the card reader is used, one end of the first charging metal contact arm 34 and one end of the second charging metal contact arm 35 are electrically connected to two charging electrodes of the charging circuit board 33 of the charger 2, and the other end of the first charging metal contact arm is electrically connected to a charging contact (i.e., a conductive contact area) of the card reader 1. By adopting the card reading equipment, the card reading equipment does not need to be connected with a terminal for charging, and the mobility of the card reader is improved.

It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A card reader, comprising: preceding shell, first printed circuit board, casing body, first shielding material, battery, second shielding material, second printed circuit board, flexible circuit board FPC, two lead on piece and backshell, wherein:

the shell body is a thin plate with a certain thickness, a first hollow window penetrating through the shell body in the thickness direction is formed in the shell body, a limiting edge lower than the first surface of the shell body is arranged on the periphery of the first hollow window, a first containing opening penetrating through the shell body in the thickness direction is formed in the limiting edge, and the first surface is perpendicular to the thickness direction of the shell body;

the first shielding material is fixed on the limiting edge and covers the first hollow window, and a notch matched with the first accommodating opening in size is formed in the position, corresponding to the first accommodating opening, of the limiting edge;

the first printed circuit board is attached to the first shielding material in parallel, the periphery of the first printed circuit board is fixed on the limiting edge, and the first printed circuit board is flush with the first surface of the shell body;

the second shielding material is attached to the battery and fixed on the second printed circuit board together with the battery, and the second shielding material is abutted against the second printed circuit board;

the battery is electrically connected with the second printed circuit board;

the second printed circuit board is fixed on a second surface of the shell body, and the battery is accommodated in the first hollow window, wherein the second surface is opposite to the first surface;

the flexible circuit board FPC is accommodated in the first accommodating opening and electrically connected with the first printed circuit board and the second printed circuit board;

the front shell covers the shell body and the first printed circuit board;

the rear shell covers one side of the second printed circuit board, on which the battery is not fixed;

two non-communicated holes are formed in the third surface of the shell body, wherein the third surface is perpendicular to the first surface;

and the two conducting pieces are respectively inserted into the non-communicated holes, one ends of the two conducting pieces are electrically connected with the second printed circuit board, and the other ends of the two conducting pieces are exposed on the surface of the shell body to form a conducting contact area.

2. The card reader of claim 1, further comprising: a first display screen; wherein,

the shell body is also provided with a second hollow window penetrating through the thickness direction of the shell body;

the first display screen is fixed on the second printed circuit board and accommodated in the second hollow window, the display surface of the first display screen is parallel to the first surface and faces the front shell, and the display surface of the first display screen is flush with the first surface;

the front shell is provided with a display window, and the size and the position of the display window correspond to the display area of the first display screen.

3. The card reader of claim 2, further comprising: a second display screen; wherein,

the second display screen is fixed on the second printed circuit board, and the display surface of the second display screen is parallel to the first surface and faces the rear shell;

a second accommodating opening penetrating through the second printed circuit board in the thickness direction is formed in the second printed circuit board, and the second display screen is accommodated in the second accommodating opening.

4. The card reader of claim 3, wherein the first display screen and the second display screen are secured back-to-back on the second printed circuit board.

5. The card reader according to any of claims 1 to 4, wherein the rear shell is a transparent protective film.

6. The card reader according to any one of claims 1 to 4, wherein one or two grooves are further formed in the peripheral wall of the housing body, and the one or two grooves are located between the two non-communicated holes.

7. The card reader of any of claims 1 to 4, wherein the second printed circuit board is sized to mate with the housing body, an adhesive being provided on a peripheral edge of the second printed circuit board, the second printed circuit board being secured to the housing body by the adhesive.

8. The card reader according to any of claims 1 to 4, wherein the two conducting members are fixed to the housing body by screws.

9. A card reading device, comprising: a charger and the card reader of any one of claims 1 to 8,

the charger includes: the rechargeable battery is welded on the rechargeable circuit board, the rechargeable circuit board is arranged in the accommodating space and fixed on the shell, an opening is formed in the shell, two charging electrodes of the rechargeable circuit board penetrate through the opening to be exposed on the outer surface of the shell, the first rechargeable metal contact arm and the second rechargeable metal contact arm are fixed on the shell, one end of the first rechargeable metal contact arm and one end of the second rechargeable metal contact arm are respectively in contact with the charging electrode of one rechargeable circuit board, and the other end of the first rechargeable metal contact arm and the other end of the second rechargeable metal contact arm are suspended in the air.

10. The card reading device of claim 9, wherein the first charging metal contact arm and the second charging metal contact arm are secured to the housing to form a cavity in which the card reader is disposed.