CN215770304U

CN215770304U - Chest card

Info

Publication number: CN215770304U
Application number: CN202121367633.8U
Authority: CN
Inventors: 曹磊; 孙俊民; 王子锋; 任妍; 王文斌; 项勇杰; 杨凡; 王鑫
Original assignee: BOE Technology Group Co Ltd
Current assignee: BOE Technology Group Co Ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-02-08
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a chest card, comprising: the front side of backshell is limited out and is accomodate the chamber, the display screen is located the front side of backshell, the front shroud is located the front side of display screen, the battery is located the display screen with between the backshell, and at least part accomodate in accomodate the chamber, the circuit board with the setting is staggered to the battery, the circuit board with the battery with the display screen electricity respectively is connected. The chest card provided by the utility model has the advantages of simple structure, light weight, relatively large display area, no need of an external power supply during use, wearing and use convenience, capability of displaying more information and convenience for updating the displayed information.

Description

Chest card

Technical Field

The utility model relates to the technical field of chest cards, in particular to a chest card.

Background

The chest card in the related art can be used as a wearable card, and a paper card is arranged in the chest card to display personal related information. However, if the related information is changed, a new work card needs to be newly made, and the display content of the work card is limited, so that the display of multiple information and the update of the changed information cannot be satisfied.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a chest card which is simple in structure, light and thin, relatively large in display area, capable of displaying more information and convenient for updating the displayed information.

The chest card according to the embodiment of the utility model comprises: a rear housing, a front side of the rear housing defining a receiving cavity; the display screen is arranged on the front side of the rear shell; the front cover plate is arranged on the front side of the display screen; the battery is arranged between the display screen and the rear shell and at least partially accommodated in the accommodating cavity; the circuit board is arranged between the display screen and the rear shell, at least part of the circuit board is accommodated in the accommodating cavity, the circuit board and the battery are arranged in a staggered mode, and the circuit board is electrically connected with the battery and the display screen respectively.

The chest card provided by the utility model has the advantages of simple structure, light weight, relatively large display area, no need of an external power supply during use, wearing and use convenience, capability of displaying more information and convenience for updating the displayed information.

In some embodiments, the rear case includes a rear case body and a pressing portion, the rear case body and the pressing portion are an integral piece, and the chest card further includes a key connected to the pressing portion.

In some embodiments, the circuit board includes a first board portion and a second board portion, the first board portion and the battery are sequentially arranged along a length direction of the rear case, the second board portion and the battery are sequentially arranged along a width direction of the rear case, the first board portion and the second board portion are an integral piece, and the pressing portion is disposed close to the second board portion relative to the first board portion.

In some embodiments, the circuit board is a unitary board.

In some embodiments, a limiting groove and/or a limiting rib are arranged on the front surface of the rear shell and used for limiting the battery and/or the circuit board.

In some embodiments, the rear housing has a receptacle on a side wall thereof, the rear housing has a positioning post on a front surface thereof, the circuit board has a female interface end and a positioning hole, the female interface end is inserted into the receptacle, and the positioning hole is disposed on the positioning post to limit the female interface end from coming out of the receptacle along a direction from the receptacle to the positioning post.

In some embodiments, the positioning column is higher than the thickness of the circuit board, the positioning column penetrates out of the front side of the circuit board, the chest card further comprises a screw and a gasket, the gasket is arranged on the front side of the circuit board and sleeved on the positioning column, the screw is connected to the positioning column from the front side of the positioning column, and the circuit board is fixed on the rear shell through the gasket.

In some embodiments, at least one hanging channel is disposed on the rear housing, the hanging channel is isolated from the receiving cavity, and the hanging channel comprises a first perforation and a second perforation disposed through the surface of the rear housing.

In some embodiments, the chest card further comprises: the hook comprises a hook body and a hook lock catch, and the hook body is connected with the hook lock catch; the hook lock is configured to extend into the hanging channel through the first through hole and lock-fit to the second through hole, and the hook lock is further configured to be disengaged from the first through hole when the hook lock is unlocked from the second through hole.

In some embodiments, the backshell is the rectangle shell, and a width side reason and a length side reason of backshell are provided with respectively hang the passageway, the chest card still includes protective housing and shutoff piece, protective housing detachably locates the rear side of backshell, have on the protective housing with every hang the first perforation of passageway and correspond the hole of dodging that sets up respectively, the shutoff piece is configured into one of the shutoff hole of dodging.

In some embodiments, the chest card further comprises: the protective housing, the protective housing is located the rear side of backshell.

In some embodiments, the protective shell and the rear shell have an interlayer space therebetween, the interlayer space adapted to receive a card, the protective shell having a see-through region.

In some embodiments, the protective shell is removably coupled to the rear shell.

In some embodiments, the chest card further comprises: the antenna is arranged on the front side of the rear shell and electrically connected with the circuit board, the antenna and the circuit board and the battery are arranged in a staggered mode, and the front side of the antenna is not shielded by the display screen.

In some embodiments, the rear case has a plurality of supporting portions for supporting the display screen, at least one of the supporting portions has a positioning groove for positioning the display screen, the plurality of supporting portions includes a first supporting portion, the first supporting portion is disposed between the circuit board and the antenna, and the first supporting portion has a wire passing notch adapted to avoid a conductive member connecting the antenna and the circuit board.

In some embodiments, the display screen is a flexible electronic ink screen.

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

Drawings

FIG. 1 is a perspective view of a chest card in accordance with one embodiment of the utility model;

FIG. 2 is an exploded view of the chest card shown in FIG. 1;

FIG. 3 is a schematic view of a first assembly step of the chest card shown in FIG. 2;

FIG. 4 is a schematic view of a second assembly step of the chest card shown in FIG. 2;

FIG. 5 is a schematic view of a third step of assembling the chest card shown in FIG. 2;

FIG. 6 is a schematic view of a fourth assembly step of the chest card shown in FIG. 2;

FIG. 7 is a schematic illustration of an assembly step five of the chest card shown in FIG. 2;

FIG. 8 is a schematic illustration of a sixth assembly step of the chest card shown in FIG. 2;

fig. 9 is a schematic view of a seventh assembly step of the chest card shown in fig. 2.

Reference numerals:

a chest card 100;

a rear housing 1; a rear case body 11; a pressing section 12; a first limit groove 13; a first stopper rib 14;

a second limit groove 15; a second limiting rib 16; an insertion hole 17; a positioning post 18;

a first perforation 191; a second perforation 192;

a support part 10; a first support portion 101; a wire-passing gap 102;

a display screen 2; a front cover plate 3; a battery 4;

a circuit board 5; a first plate portion 51; a second plate portion 52; an interface female terminal 53; positioning holes 54;

a key 61; an antenna 62; a screw 71; a spacer 72;

a hook member 8; a hook body 81; a hook cover plate 811; a hook middle frame 812; a hook rear shell 813; a hook latch 82;

a protective case 91; a relief hole 911; a protection portion 912; a blocking piece 92; a card 93.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the applicability of other processes and/or the use of other materials.

Next, with reference to the drawings, a chest card 100 according to an embodiment of the present invention is described.

As shown in fig. 1 and 2, the chest card 100 may include: backshell 1, display screen 2, front shroud 3, battery 4 and circuit board 5, the storage cavity is defined out to the front side of backshell 1, the front side of backshell 1 is located to display screen 2, the front side of display screen 2 is located to front shroud 3, battery 4 is located between display screen 2 and backshell 1, and at least part is accomodate in accomodating the cavity, circuit board 5 is connected with battery 4 and display screen 2 electricity respectively, so that battery 4 can be for the power supply of display screen 2, circuit board 5 can control display screen 2 and realize showing.

Therefore, the chest card 100 according to the embodiment of the present invention is provided with the display screen 2, so that more information can be displayed and the displayed information can be updated conveniently. And, the use without an external power source can be realized, so that the user can wear the chest card 100 for any activity. In addition, since the display screen 2 is located on the front side of the battery 4 and the circuit board 5, the area of the display screen 2 can be relatively large, and the range of display with the chest card 100 can be large. As shown in fig. 2, the circuit board 5 and the battery 4 are arranged in a staggered manner, that is, the circuit board 5 and the battery 4 are not arranged on top of each other, or the circuit board 5 is not arranged on the thickness side of the battery 4, nor is the battery 4 arranged on the thickness side of the circuit board 5. Therefore, the overall thickness of the chest card 100 can be effectively reduced, so that the chest card 100 is thinner and is beneficial to being worn at the chest.

Moreover, the chest card 100 according to the embodiment of the utility model has a simple structure and light weight, and is further beneficial to being worn by a user. In addition, optionally, the display screen 2 is a flexible electronic ink screen, and the front side of the display screen is protected by the front cover plate 3, so that on the premise that the reliability requirement is met, compared with the combination of the hard display screen 2 and the front cover plate 3 which use a glass cover plate as a substrate, the whole thickness and weight of the chest card 100 can be reduced, and the chest card is beneficial to being worn by a user. However, the present invention is not limited thereto, and the display 2 may be a liquid crystal display, etc., which will not be described herein.

In summary, the chest card 100 according to the embodiment of the utility model has a simple structure, is light and thin, has a large display area, does not need an external power supply, and is beneficial to wearing. For example, in some embodiments of the present invention, the thickness of the front cover plate 3 may be 0.7mm to 0.8mm, the thickness of the circuit board 5 may be 0.6mm to 0.8mm, the thickness of the rear case 1 may be 1.0mm to 1.5mm, the thickness of the battery 4 may be about 4mm, and the total thickness of the medal 100 from the front cover plate 3 to the rear case 1 (e.g., excluding the protective case 91 described later) may be about 7mm, which is very light and thin.

It should be noted that the front cover plate 3 has a perspective region disposed opposite to the display screen 2, and optionally, the front cover plate 3 is entirely made of a transparent material, so as to meet the requirement of the display screen 2 for transparent display. For example, the front cover 3 may be made of glass, resin, or the like. In addition, it should be noted that the connection manner of the front cover plate 3 and the rear housing 1 is not limited, and for example, the connection manner may be edge glue connection or the like.

In some embodiments of the present invention, as shown in fig. 2 and 3, the back case 1 may include a back case body 11 and a pressing portion 12, the back case body 11 and the pressing portion 12 are a single piece, and the chest card 100 further includes a key 61, and the key 61 is connected to the pressing portion 12. From this, backshell 1 has better waterproof performance, avoids owing to set up button 61 and the trompil, causes the problem of accomodating the chamber and intaking to improve the job stabilization nature and the reliability of chest card 100. The pressing portion 12 is not formed with a through hole, and water does not leak into the rear case 1 at the pressing portion 12. The connection method of the push button 61 and the push portion 12 is not limited, and may be, for example, bonding or fastening.

Wherein, press portion 12 relative backshell body 11 yielding, for example in a specific example, press portion 12 can be the silica gel material, backshell body 11 can be the plastics material, and at this moment, can be through the mode of twice moulding plastics with pressing portion 12 and backshell body 11 processing for an organic whole to press portion 12 can take place to warp or move relative backshell body 11 better, thereby promote to press and feel.

Optionally, the pressing portion 12 is easily deformed relative to the key 61, for example, in a specific example, the pressing portion 12 may be made of a silicone material, and the key 61 may be made of a plastic material, at this time, the key 61 may be fixed outside the pressing portion 12 by an external bonding manner, so that the key 61 may be better stressed and transmit force to the pressing portion 12, thereby improving the pressing feel.

Of course, the present invention is not limited to this, and the materials of the pressing portion 12, the rear case body 11, and the key 61 are not limited to this, and the pressing portion 12 may be easily deformed with respect to the rear case body 11 and/or the key 61, and for example, the pressing portion 12 and the key 61 may be made of the same material, but the pressing portion 12 may be easily deformed with respect to the key 61 by setting the thickness of the pressing portion 12 to be smaller than the thickness of the key 61. In addition, the pressing portion 12 may be made of rubber, leather, or other materials, which are not described herein.

In some embodiments of the present invention, as shown in fig. 2 and 4, the circuit board 5 may include a first board portion 51 and a second board portion 52 (for example, a portion above the L line shown in fig. 4 is the first board portion 51, and a portion below the L line is the second board portion 52), the first board portion 51 and the battery 4 are sequentially arranged in a length direction of the rear case 1 (for example, the F1 direction shown in fig. 4), the first board portion 51 and the second board portion 52 are one piece, the second board portion 52 and the battery 4 are sequentially arranged in a width direction of the rear case 1 (for example, the F2 direction shown in fig. 4), and the pressing portion 12 is disposed close to the second board portion 52 with respect to the first board portion 51, so that the pressing portion 12 and the second board portion 52 may interact to input a command to the circuit board 5.

Therefore, by arranging the relative positions of the rear case 1, the battery 4, the first plate portion 51 and the second plate portion 52 as above, the first plate portion 51 has a large installation space and can be an integral plate, the second plate portion 52 can be easily arranged to face the pressing portion 12 to function, and the first plate portion 51 and the second plate portion 52 are not two independent plates, so that the overall structure of the circuit board 5 can be simplified, the number of parts is small, the cost is low, the detection is simple, and when the circuit board 5 is installed on the rear case 1, the first plate portion 51 and the second plate portion 52 can be simultaneously installed on the rear case 1, the assembly is convenient and the assembly efficiency is high. Alternatively, the second plate portion 52 is located on the length side of the battery 4, and the first plate portion 51 is located on the width side of the battery 4, and the second plate portion 52 is disposed opposite to the pressing portion 12, so that the first plate portion 51 has a larger installation space.

Optionally, the circuit board 5 is an integral board, that is, the circuit board 5 is not composed of a plurality of sub-boards independent from each other, so that the integral structure of the circuit board 5 can be simplified, the number of parts is small, the cost is lower, the detection is simple, and when the circuit board 5 is installed on the rear case 1, the circuit board 5 can be integrally installed on the rear case 1, the assembly is convenient and fast, and the assembly efficiency is high. In short, the circuit board 5 is a monolithic single board, and is relatively composed of a plurality of boards, so that the structure is simple, the number of parts is small, the cost is low, the number of assembly processes is small, the production is more convenient, and the detection is simple.

In some embodiments of the present invention, as shown in fig. 3 and 4, a position-limiting groove and/or a position-limiting rib is provided on the front surface of the rear case 1 for limiting the battery 4 and/or the circuit board 5. That is to say, the front surface of the rear case 1 may be provided with a limiting groove and/or a limiting rib for limiting the battery 4, or the front surface of the rear case 1 may be provided with a limiting groove and/or a limiting rib for limiting the circuit board 5, or the front surface of the rear case 1 is provided with both a limiting groove and/or a limiting rib for limiting the circuit board 5 and a limiting groove and/or a limiting rib for limiting the battery 4. It should be noted that the limiting groove for limiting the circuit board 5 and the limiting groove for limiting the battery 4 may be independent from each other or may be communicated with each other, and the limiting rib for limiting the circuit board 5 and the limiting rib for limiting the battery 4 may be one rib or a plurality of ribs independent from each other. Therefore, through the limiting, the assembly efficiency and the assembly stability of the battery 4 and/or the circuit board 5 can be improved, and when the limiting groove is formed, the overall thickness of the chest card 100 can be reduced to a certain extent.

For example, in the example shown in fig. 3 and 4, a first limiting groove 13 and a first limiting rib 14 are provided on the front surface of the rear case 1 to limit the battery 4, for example, the battery 4 may be embedded in the first limiting groove 13, the first limiting rib 14 may be stopped at the periphery of the battery 4, thereby improving the assembly stability and reliability of the battery 4, and further, at least one first limiting rib 14 may be provided with a guide slope or a guide curved surface to improve the assembly efficiency of the battery 4.

For example, in the example shown in fig. 3 and 4, the front surface of the rear case 1 is provided with a second limiting groove 15 and a second limiting rib 16 for limiting the circuit board 5, for example, the circuit board 5 may be embedded in the second limiting groove 15, the second limiting rib 16 may be stopped at the periphery of the circuit board 5, so as to improve the assembly stability and reliability of the circuit board 5, and further, at least one second limiting rib 16 may be provided with a guide slope or a guide curved surface, so as to improve the assembly efficiency of the circuit board 5.

In some embodiments of the present invention, as shown in fig. 3 and 4, the side wall of the rear housing 1 has a receptacle 17, the front surface of the rear housing 1 has a positioning post 18, the circuit board 5 has an interface female end 53 and a positioning hole 54, the interface female end 53 is inserted into the receptacle 17, and the positioning hole 54 is disposed on the positioning post 18 to limit the interface female end 53 from being removed from the receptacle 17 along a direction from the receptacle 17 to the positioning post 18. Therefore, through the matching of the positioning column 18 and the positioning hole 54, the loose matching of the interface female end 53 and the jack 17 is avoided, and the waterproof effect of the jack 17 is improved. It should be noted that the specific Type of the interface female terminal 53 is not limited, and may be, for example, a Type-C interface, etc.

For example, in some specific examples, as shown in fig. 3 and 4, the insertion hole 17 is located at the lower end of the rear housing 1, and the lower end of the circuit board 5 is provided with the interface female end 53, so that when the circuit board 5 is assembled, the upper end of the circuit board 5 is tilted forward and the lower end is tilted backward, in this way, the interface female end 53 is first inserted and assembled into the insertion hole 17 downward, then the upper end of the circuit board 5 is laid flat backward, the positioning hole 54 on the circuit board 5 can naturally fit over the positioning post 18 on the rear side, so that the interface female end 53 can be limited from coming off the insertion hole 17 upward, when the circuit board 5 is disassembled, the upper end of the circuit board 5 is pulled forward to make the positioning hole 54 come off from the positioning post 18 forward, and then the circuit board 5 is pulled upward to make the interface female end 53 be drawn out from the insertion hole 17 upward.

In some embodiments of the present invention, as shown in fig. 4 and 5, the positioning column 18 is higher than the thickness of the circuit board 5, the positioning column 18 penetrates out of the front side of the circuit board 5, the chest card 100 further includes a screw 71 and a gasket 72, the gasket 72 is disposed on the front side of the circuit board 5 and is sleeved on the positioning column 18, the screw 71 is connected to the positioning column 18 from the front side of the positioning column 18, and the circuit board 5 is fixed to the rear housing 1 through the gasket 72. From this, utilize and be used for the reference column 18 cooperation screw 71 and the gasket 72 of location originally to fix circuit board 5, thereby for being fixed in backshell 1 with circuit board 5 through the mode that bonds, circuit board 5's fixed reliability is higher, can avoid the female end 53 of interface better often by the position removal problem that the plug of interface public end arouses, the waterproof performance of jack 17 department is more excellent, and because reference column 18 plays location and lock screw 71 dual function, thereby can reduce the structure complexity better, design benefit. It will be appreciated that the thickness of the spacer 72 may exceed the thickness of the positioning post 18 that passes out to the front side of the circuit board 5, so that the circuit board 5 can be pressed against the back cover 1 by means of the spacer 72.

In some embodiments of the present invention, as shown in fig. 8, at least one hanging channel is disposed on the rear housing 1, the hanging channel is isolated from the receiving cavity, and the hanging channel includes a first perforation 191 and a second perforation 192 disposed on the surface of the rear housing 1, and the hanging rope is adapted to be disposed through the hanging channel, for example, the hanging rope is adapted to pass through the hanging channel from the first perforation 191 and pass through the hanging channel from the second perforation 192, and for example, the hanging rope is adapted to pass through the hanging channel from the second perforation 192 and pass through the hanging channel from the first perforation 191. From this, can hang the rope through hanging the passageway for the user can wear in the front through hanging the rope. In addition, because hang the passageway and accomodate the chamber and keep apart the setting to can further play water-proof effects, improve the operational reliability and the job stabilization nature of chest card 100.

In some embodiments of the present invention, as shown in fig. 1, 2 and 8, the chest card 100 may further include a hook member 8, the hook member 8 including a hook body 81 and a hook latch 82, the hook body 81 being connected to the hook latch 82, the hook latch 82 being configured to extend into the hanging channel through a first aperture 191 and to be snap-fitted to a second aperture 192, the hook latch 82 being further configured such that when the hook latch 82 is unlocked from the second aperture 192, the hook latch 82 may be disengaged from the first aperture 191. From this, through setting up hook member 8, saved the user and worn to establish the step of hanging the rope to hanging the passageway, simplified operation to, hook member 8 sets up has couple hasp 82 in order to be connected with backshell 1 detachably, can also pull down hook member 8 and change the rope, uses in a flexible way.

For example, in the example shown in fig. 2 and 8, the first through hole 191 may be formed on the side wall of the rear case 1, and the second through hole 192 may be formed on the rear wall of the rear case 1, the hook latch 82 includes a connecting portion and a latching portion, the connecting portion is penetrated through the hanging channel by the first through hole 191, both ends of the connecting portion are respectively connected to the hook body 81 and the latching portion, and the latching portion is latched to the second through hole 192 rearward, thereby preventing the hook latch 82 from coming off from the hanging channel in a direction from the latching portion to the hook body 81, when the hook 8 needs to be detached, the latching portion may be pushed forward to come off from the second through hole 192, at this time, the hook 8 is pulled in a direction from the latching portion to the hook body 81, the hook latch 82 may be detached from the hanging channel, and thus, the hook 8 is easily detached.

It should be noted that the hook body 81 may be configured without limitation, and may itself include a hanging rope, or a hanging rope may be detachably installed, for example, in a specific example shown in fig. 2, the hook body 81 may include a hook middle frame 812, a hook rear shell 813, and a hook cover plate 811, the hook middle frame 812 and the hook rear shell 813 are detachably connected to each other to sandwich a part of the hanging rope, and the hook cover plate 811 is disposed on a front side of the hook middle frame 812 in a covering manner.

In some embodiments of the present invention, as shown in fig. 8, the rear shell 1 is a rectangular shell, and one width side edge and one length side edge of the rear shell 1 are respectively provided with a hanging channel, and with reference to fig. 9 and fig. 1, the chest card 100 further includes a protective shell 91 and a blocking piece 92, the protective shell 91 is detachably disposed at the rear side of the rear shell 1, the protective shell 91 is provided with avoiding holes 911 respectively corresponding to the first through holes 191 of each hanging channel, and the blocking piece 92 blocks one of the avoiding holes 911. From this, when locating the rear side of backshell 1 with protective housing 91 cover, dodge hole 911 and first perforation 191 relative, do not influence hook member 8's installation, and when hook member 8 was dismantled to needs, or when needing to hang the passageway installation string, can pull down protective housing 91 from backshell 1, hang after the string, put protective housing 91 and backshell 1 in place again, can understand, be in with hang hook member 8 or string rope of passageway assembled state, all wear to locate dodge hole 911.

From this, through setting up protective housing 91, can play the guard action to backshell 1 to hole 911 is dodged through the setting, guarantee hook member 8 or string rope can with backshell 1 hang the access connection, in addition, through setting up hole 911 is dodged that the shutoff piece 92 shutoff does not use, can avoid unused hanging the access and advance grey, intake scheduling problem.

In some embodiments of the present invention, the chest card 100 may include a protective case 91, and the protective case 91 is provided at the rear side of the rear case 1, whereby the rear case 1 may be protected by the protective case 91. Optionally, an interlayer space is formed between the protective shell 91 and the rear shell 1, and the protective shell 91 has a perspective area. Therefore, a common card 93, such as a paper card 93, a plastic card 93, a photo and the like, can be arranged in the interlayer space, so that the chest card 100 not only can be displayed on the front side through the display screen 2, but also can be observed on the rear side through the perspective area of the protective shell 91 to see the information on the card 93. It should be noted that the range of the see-through area on the protective shell 91 is not limited, for example, the area where the protective shell 91 faces the card 93 is the see-through area, or the protective shell 91 is made of a transparent material, and the whole is the see-through area. Alternatively, the protective case 91 is detachably attached to the rear case 1, thereby facilitating replacement of the card 93 or a new protective case 91, etc.

It should be noted that, in the above embodiments, the material of the protective shell 91 is not limited, for example, the protective shell 91 may be made of a material such as silica gel, so as to have better perspective and protection effects. In addition, in the above embodiments, the protective shell 91 may further have a protective portion 912 or an escape opening, etc. disposed opposite to the key 61, where the protective portion 912 is in a non-through hole form, so as to further avoid the problems of water entering and dust entering at the key 61, and details are not described here. In addition, in order to improve the assembly stability of the card 93, the rear surface of the rear case 1 or the front surface of the protective case 91 may be provided with a positioning groove, and the card 93 may be embedded in the positioning groove, thereby improving the positioning stability and reliability of the card 93.

In some embodiments of the present invention, as shown in fig. 2 and 4, the chest card 100 may further include an antenna 62, the antenna 62 is disposed on the front side of the rear case 1, the antenna 62 is disposed in a staggered manner with respect to both the circuit board 5 and the battery 4, the antenna 62 is electrically connected to the circuit board 5, and the front side of the antenna 62 is not shielded by the display screen 2. From this, can realize the communication through setting up antenna 62, and, because antenna 62 all staggers the setting with circuit board 5 and battery 4, antenna 62 and circuit board 5 and battery 4 in each all non-superpose setting promptly, thereby can guarantee chest card 100 frivolous, and antenna 62's front side is not sheltered from by display screen 2, thereby can reduce the interference that display screen 2 caused antenna 62, antenna 62's signal is good, promotes antenna 62's working effect. Optionally, the antenna 62 is for receiving bluetooth signals, WIFI signals, etc.

Optionally, as shown in fig. 4, the rear case 1 has a plurality of supporting portions 10 for supporting the display screen 2, at least one of the supporting portions 10 is provided with a positioning slot for positioning the display screen 2, the plurality of supporting portions 10 includes a first supporting portion 101, the first supporting portion 101 is disposed between the circuit board 5 and the antenna 62, the first supporting portion 101 has a wire passing notch 102, and the wire passing notch 102 is adapted to avoid a conductive member for connecting the antenna 62 and the circuit board 5. From this, can utilize supporting part 10 to play the effect of support and location to display screen 2, realize the installation of display screen 2, in addition, first supporting part 101 can reduce circuit board 5 to a certain extent and cause the influence to antenna 62's signal, improves antenna 62's operational reliability to through setting up line breach 102, can realize circuit board 5 and antenna 62's electric connection. The fixing method of the display panel 2 is not limited, and for example, the display panel may be fixed to the support 10 by adhesion.

The chest card 100 according to the embodiment of the utility model is an electronic chest card, can display more information and is convenient for updating the displayed information, and has the advantages of simple structure, better structural reliability, better signal, better water resistance, lighter weight and lower cost.

Referring now to fig. 3-9, fig. 1, the steps of assembling a chest card 100 according to one embodiment of the present invention will be described.

Firstly, as shown in fig. 3, assembling the key 61 to the rear housing 1, secondly, as shown in fig. 4, then assembling the circuit board 5, the battery 4 and the antenna 62 to the rear housing 1, thirdly, as shown in fig. 5, then assembling the gasket 72 and the screw 71 to the positioning post 18, fourthly, as shown in fig. 6, then assembling the display screen 2, fifthly, as shown in fig. 7, assembling the front cover plate 3, sixthly, as shown in fig. 8, then assembling the clamping piece 93 to the rear side of the rear housing 1, seventhly, as shown in fig. 9, then assembling the protective housing 91 to the rear housing 1, eighthly, as shown in fig. 1, and finally assembling the hook member 8 and the blocking member 92. Thus, the structure of the chest card 100 is simple and the assembly is quick.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

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 utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A chest card, comprising:

a rear housing, a front side of the rear housing defining a receiving cavity;

the display screen is arranged on the front side of the rear shell;

the front cover plate is arranged on the front side of the display screen;

the battery is arranged between the display screen and the rear shell and at least partially accommodated in the accommodating cavity;

the circuit board is arranged between the display screen and the rear shell, at least part of the circuit board is accommodated in the accommodating cavity, the circuit board and the battery are arranged in a staggered mode, and the circuit board is electrically connected with the battery and the display screen respectively.

2. The chest card of claim 1, wherein the back shell comprises a back shell body and a pressing portion, the back shell body and the pressing portion are an integral piece, the chest card further comprises a key, and the key is connected to the pressing portion.

3. The chest card of claim 2, wherein the circuit board comprises a first plate portion and a second plate portion, the first plate portion and the battery are sequentially arranged along a length direction of the rear case, the second plate portion and the battery are sequentially arranged along a width direction of the rear case, the first plate portion and the second plate portion are a single piece, and the pressing portion is disposed adjacent to the second plate portion relative to the first plate portion.

4. The chest card of claim 1, wherein said circuit board is a one-piece unitary board.

5. The chest card of claim 1, wherein a retaining groove and/or a retaining rib is provided on a front surface of the rear case for retaining the battery and/or the circuit board.

6. The chest card of claim 1, wherein the back shell has a receptacle on a side wall thereof, the back shell has a positioning post on a front surface thereof, the circuit board has a female connector end and a positioning hole, the female connector end is inserted into the receptacle, and the positioning hole is disposed on the positioning post to restrict the female connector end from being removed from the receptacle in a direction from the receptacle to the positioning post.

7. The chest card of claim 6, wherein the positioning post is higher than the thickness of the circuit board, the positioning post penetrates out of the front side of the circuit board, the chest card further comprises a screw and a gasket, the gasket is arranged on the front side of the circuit board and sleeved on the positioning post, the screw is connected to the positioning post from the front side of the positioning post, and the circuit board is fixed on the rear shell through the gasket.

8. The chest card of claim 1, wherein at least one hanging channel is provided on the back shell, the hanging channel being isolated from the receiving cavity, and the hanging channel comprising a first aperture and a second aperture through a surface of the back shell.

9. The chest card of claim 8, further comprising:

the hook comprises a hook body and a hook lock catch, and the hook body is connected with the hook lock catch;

the hook lock is configured to extend into the hanging channel through the first through hole and lock-fit to the second through hole, and the hook lock is further configured to be disengaged from the first through hole when the hook lock is unlocked from the second through hole.

10. The chest card of claim 8, wherein the back shell is a rectangular shell, and one width side edge and one length side edge of the back shell are respectively provided with the hanging channel, the chest card further comprises a protective shell and a blocking piece, the protective shell is detachably arranged on the rear side of the back shell, the protective shell is provided with an avoiding hole which is correspondingly arranged with each first perforation of the hanging channel, and the blocking piece is configured to block one of the avoiding holes.

11. The chest card of claim 1, further comprising:

the protective housing, the protective housing is located the rear side of backshell.

12. The chest card of claim 11, wherein there is an interlayer space between the protective shell and the back shell, the interlayer space adapted to receive a card, the protective shell having a see-through area.

13. The chest card of claim 12, wherein the protective shell is removably attached to the back shell.

14. The chest card of claim 1, further comprising:

the antenna is arranged on the front side of the rear shell and electrically connected with the circuit board, the antenna and the circuit board and the battery are arranged in a staggered mode, and the front side of the antenna is not shielded by the display screen.

15. The chest card of claim 14, wherein the back shell has a plurality of support portions for supporting the display screen, at least one of the support portions has a positioning slot for positioning the display screen, the plurality of support portions includes a first support portion, the first support portion is disposed between the circuit board and the antenna, the first support portion has a wire passing notch, and the wire passing notch is adapted to avoid a conductive member connecting the antenna and the circuit board.

16. The chest card of any one of claims 1-15, wherein the display screen is a flexible electronic ink screen.