CN215186820U

CN215186820U - Rear cover and terminal equipment with same

Info

Publication number: CN215186820U
Application number: CN202120414417.8U
Authority: CN
Inventors: 刘新伟
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-12-14
Anticipated expiration: 2031-02-25

Abstract

The application discloses back lid and have its terminal equipment, back lid includes: a rear cover body; the protective layer, protective layer detachably set up in the outside of back lid body. The application provides a back lid and have its terminal equipment, be equipped with the protective layer through the outside at the back lid body, and the relative back lid body detachably of protective layer sets up, on the one hand can make the back lid body receive the protection of protective layer, the damaged risk of back lid body has been reduced, and then reduce terminal equipment's maintenance cost, on the other hand can also change the protective layer alone, not only reduce the maintenance cost of back lid, and still help satisfying the user to the different demands of back lid outward appearance, promote terminal equipment's user experience.

Description

Rear cover and terminal equipment with same

Technical Field

The utility model relates to a communication equipment technical field, concretely relates to back lid and have its terminal equipment.

Background

To enhance the user experience, more and more mobile phones are equipped with ultra-thin glass back covers. At present, the glass rear cover comprises a glass layer and a gum layer, and the glass rear cover is bonded to the middle frame through the gum layer.

However, the thickness of the glass layer in the glass rear cover is relatively thin, which easily causes the situation that the glass rear cover is broken when a user uses the mobile phone, thereby not only affecting the user experience, but also increasing the maintenance cost of the mobile phone.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a rear cover and a terminal device having the same.

In a first aspect, the present application provides a rear cover comprising:

a rear cover body;

the protective layer, protective layer detachably set up in the outside of back lid body.

Furthermore, the protective layer is provided with a through disassembly notch.

Furthermore, the rear cover body is provided with at least one through avoiding opening for exposing the protective layer.

Furthermore, the avoiding opening is formed in the circumferential side face of the main body layer.

Furthermore, the rear cover body comprises a main body layer and an adhesive layer, the adhesive layer is located on one side, away from the protective layer, of the main body layer, the adhesive layer is provided with a dispensing portion, and the adhesive strength of the dispensing portion is greater than that of the adhesive layer.

Further, the rear cover body comprises a main body layer, the main body layer comprises a glass layer and a light shielding layer, and the light shielding layer is located on one side, close to the protective layer, of the glass layer or on one side, far away from the protective layer, of the glass layer.

Further, the protective layer is provided with a decorative layer.

In a second aspect, the present application further provides a terminal device, which includes a middle frame and a rear cover, wherein the rear cover is connected to the middle frame.

Furthermore, the middle frame is provided with an adhesive piece which is arranged corresponding to at least part of the avoiding opening in the rear cover, and the adhesive piece penetrates through the corresponding avoiding opening to adhere to the protective layer.

Furthermore, the back lid is flat, and the center includes the lower terminal surface that is close to the back lid, and the surface that the protective layer is kept away from the back lid body sets up with lower terminal surface parallel and level.

Furthermore, the rear cover is curved, the surface of the rear cover far away from the middle frame is a first curved surface, the outer side surface of the middle frame is a second curved surface, and the first curved surface is smoothly connected with the second curved surface.

The application provides a back lid and have its terminal equipment, be equipped with the protective layer through the outside at the back lid body, and the relative back lid body detachably of protective layer sets up, on the one hand can make the back lid body receive the protection of protective layer, the damaged risk of back lid body has been reduced, and then reduce terminal equipment's maintenance cost, on the other hand can also change the protective layer alone, not only reduce the maintenance cost of back lid, and still help satisfying the user to the different demands of back lid outward appearance, promote terminal equipment's user experience.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a front view of a rear cover provided by an embodiment of the present application;

FIG. 2 is a rear view of a rear cover provided by an embodiment of the present application;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

fig. 4 is a schematic structural diagram of a terminal device according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a terminal device according to another embodiment of the present application.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

Referring to fig. 1 to 3, an embodiment of the present application provides a rear cover 100, including:

a rear cover body 110;

the protective layer 120 is detachably disposed on the outer side of the rear cover body 110.

In this embodiment, the protection layer 120 is disposed on the outer side of the rear cover body 110, on one hand, the protection layer 120 can protect the rear cover body 110, so as to reduce the risk of damage to the rear cover body 110, especially, the protection effect on the rear cover body 110 with a fragile material (e.g., a glass material) is more obvious, and it is also helpful for avoiding a user from reconfiguring a protection shell to protect the rear cover 100, and on the other hand, the protection layer 120 can perform appearance decoration in directions of color, pattern, etc. so as to satisfy the aesthetic requirement of the user on the rear cover 100.

Can dismantle between protective layer 120 and the back lid body 110, can realize changing alone of protective layer 120, and then reduce the maintenance cost of back lid 100, promote terminal equipment's user experience. For example: when the protective layer 120 is damaged, the user can detach the protective layer 120 from the rear cover body 110 to replace the protective layer 120. Another example is: when the aesthetic degree of the protective layer 120 does not meet the user's requirement, the user can detach the protective layer 120 from the rear cover body 110 alone to replace the protective layer 120 having the appearance preferred by the user.

The detachable connection between the protection layer 120 and the rear cover body 110 may be bonding, and the like, which is not limited in the present application. Taking the detachable adhesion as an example, the protective layer 120 and the rear cover body 110 are adhered together by the electrostatic adhesive, so that a certain adhesion strength can be provided between the protective layer 120 and the rear cover body 110 to prevent the protective layer 120 from being easily separated from the rear cover body 110, and the user can remove the protective layer 120 by himself.

Here, the outside of the body 110 refers to a side of the rear cover 100 that is away from the middle frame 200 when assembled to the terminal device.

The material of the protection layer 120 includes, but is not limited to, tempered glass, plastic, or resin. The protective layer 120 may be transparent, translucent, or opaque. When the protective layer 120 is opaque, the rear cover body 110 can be covered, so that the rear cover body 110 does not need to be designed to be beautiful, and the cost of the rear cover 100 is reduced.

It should be understood that, since the protection layer 120 is located outside the rear cover body 110 and is used for protecting the rear cover body 110, the protection layer 120 is generally damaged before the rear cover body 110 when the rear cover 100 is impacted by an external force.

In some embodiments of the present application, the protection layer 120 is provided with the through detachment notch 121, which can facilitate the user to detach the protection layer 120 through the detachment notch 121, thereby improving the convenience and detachment efficiency of the user when detaching the protection layer 120.

The shape of the detachment notch 121 may be a polygon, a circle, an irregular shape, or the like, which is not limited in this application. The number of the detachment notches 121 may be one or more than two. When dismantling breach 121 and be more than two, the circumference interval setting along protective layer 120 of dismantling breach 121 more than two, so can be so that have a plurality of dismantlement positions on the protective layer 120 to increase flexibility and the convenience of user when dismantling protective layer 120.

Further, the detachment notch 121 is disposed on the peripheral side surface of the protection layer 120, which not only facilitates the processing of the detachment notch 121, but also further improves the convenience and detachment efficiency of the user in detaching the protection layer 120.

In some embodiments of the present application, the rear cover body 110 is provided with at least one escape opening 101 therethrough, and the escape opening 101 is used for exposing the protection layer 120.

In the present embodiment, the avoiding opening 101 is disposed through the back cover body 110, so that the protection layer 120 is exposed at the avoiding opening 101. When the rear cover 100 is assembled to the terminal device, the adhesive member on the middle frame 200 is adhered to the protective layer 120 through the avoiding opening 101, so as to improve the connection strength of the protective layer 120 on the terminal device.

The number of the avoidance ports 101 may be one or more than two. When the number of the escape openings 101 is two or more, the bonding area between the adhesive on the center frame 200 and the protective layer 120 can be increased, and the connection strength of the protective layer 120 to the terminal device can be further improved.

The shape of the avoidance opening 101 may be a polygon, a circle, an irregular shape, or the like, which is not limited in this application.

In some embodiments of the present application, the avoiding opening 101 is disposed on the circumferential side surface of the main body layer, so that the avoiding opening 101 can be conveniently processed, and the processing efficiency of the avoiding opening 101 is improved. Especially when the glass layer 111 is provided in the bulk layer, it is not only convenient to process the avoidance line 101 on the glass layer 111, but also to reduce the risk of breakage of the glass layer 111 at the processing avoidance line 101.

When the number of the avoidance ports 101 is two or more, the two or more avoidance ports 101 are provided at intervals in the circumferential direction of the main body layer.

In some embodiments of the present application, the rear cap body 110 includes a main body layer and an adhesive layer 113, the adhesive layer 113 is located on a side of the main body layer away from the protective layer 120, the adhesive layer 113 is provided with a dispensing portion, and an adhesive strength of the dispensing portion is greater than an adhesive strength of the adhesive layer 113.

In the present embodiment, the adhesive layer 113 covers at least a portion of the surface of the main body layer near the adhesive layer for adhering the rear cover 100 to the middle frame 200. The adhesive layer 113 is provided with a dispensing portion, and the adhesive strength of the dispensing portion is greater than the adhesive strength of the adhesive layer 113. The rear cover 100 is bonded to the middle frame 200 through the adhesive layer 113 and the spot gluing part, so that the connection strength between the rear cover 100 and the middle frame 200 can be increased, and the connection stability between the rear cover 100 and the middle frame 200 can be ensured.

Wherein, the dispensing part can be formed by glue through a dispensing process.

In some embodiments of the present application, the back cover body 110 includes a thinning portion for reducing the overall thickness of the back cover body 110, and the thickness of the protective layer 120 is less than or equal to the thinned thickness of the back cover body 110.

In the present embodiment, the rear cover body 110 is provided with a thinning portion for thinning the rear cover body 110 to reduce the overall thickness of the rear cover body 110. The thickness of protective layer 120 is less than or equal to the thickness that back lid body 110 is thinned, so can realize when not increasing the whole thickness of back lid 100, still can protect back lid body 110 through protective layer 120, reduces the damaged risk of back lid 100, and then reduces terminal equipment's maintenance cost, promotes terminal equipment's user experience.

In some embodiments of the present application, the rear cap body 110 includes a main body layer and an adhesive layer 113 connected to each other, the adhesive layer 113 is located on a side of the main body layer away from the protective layer 120, and the thinned portion is the adhesive layer 113.

In the present embodiment, the rear cover body 110 includes a main body layer and an adhesive layer 113 connected, and the rear cover body 110 is used for adhering to the middle frame 200 of the terminal device to fixedly connect the rear cover 100 to the middle frame 200. The thinned portion is the adhesive layer 113, that is, the adhesive layer 113 in the rear cap body 110 is thinned to reduce the overall thickness of the rear cap body 110, so that the rear cap body 110 can be thinned without reducing the overall structural strength of the main body layer.

For example: the thickness of the adhesive layer 113 is reduced from 0.3mm to 0.1mm, and the thickness of the protective layer 120 is not more than 0.2mm, so that the protective layer 120 is newly added in the rear cover 100 to protect the rear cover body 110 while the overall thickness of the rear cover 100 is not increased.

The adhesive layer 113 may be a double-sided adhesive layer or a hot-melt adhesive layer, which is not limited in this application. The adhesive layer 113 may cover the side of the bulk layer away from the protective layer 120 completely, or cover a portion of the side of the bulk layer away from the protective layer 120.

Of course, in other embodiments, the thinning portion may also be a main body layer, i.e., the main body layer in the rear cover body 110 is thinned, so as to reduce the overall thickness of the rear cover body 110; alternatively, the thinned portion may be a main body layer and the adhesive layer 113, that is, both the main body layer and the adhesive layer 113 in the rear cover body 110 are thinned, and the total thickness of the main body layer and the adhesive layer 113 that are thinned is the thickness of the rear cover body 110 that is thinned as a whole. For example: the main body layer is thinned by 0.1mm, the bonding layer 113 is thinned by 0.1mm, and the thickness of the protective layer 120 is not more than 0.2 mm.

It should be understood that when the adhesive layer 113 is thinned, there is a certain influence on the adhesive strength of the adhesive layer 113. However, the adhesive strength lost by the adhesive layer 113 can be compensated by providing the adhesive layer 113 with the dispensing portion, and the adhesive strength between the rear cover 100 and the middle frame 200 can be secured.

In some embodiments of the present application, the rear cover body 110 includes a main body layer including a glass layer 111 and a light shielding layer 112, and the light shielding layer 112 is located on a side of the glass layer 111 close to the protective layer 120 or on a side of the glass layer 111 far from the protective layer 120.

In this embodiment, the light shielding layer 112 is located on one side of the glass layer 111 close to the protection layer 120 or on one side of the glass layer 111 far from the protection layer 120, and is used for shielding light rays of an internal structure of the terminal device, so that a user is prevented from observing the internal structure of the terminal device from the rear cover 100, and user experience is improved.

The glass layer 111 may be transparent, semi-transparent, or opaque. When the glass layer 111 is transparent or translucent, the rear cover body 110 blocks light by the light-blocking layer 112. When the glass layer 111 is opaque, the light-shielding layer 112 can be used as a light-shielding structure for backup or enhancing light-shielding performance. Preferably, the glass layer 111 is transparent, which helps to save costs. The light-shielding layer 112 includes, but is not limited to, a light-shielding ink layer or a light-shielding adhesive layer. The light-shielding layer 112 may be designed with colors, images, etc. to make the rear cover 100 beautiful and improve user experience.

When the light shielding layer 112 is located on one side of the glass layer 111 close to the protection layer 120, the light shielding layer 112 also has a protection effect on the glass layer 111, so as to further improve the protection of the glass layer 111. When the light-shielding layer 112 is located on the side of the glass layer 111 away from the protection layer 120, the glass layer 111 can protect the light-shielding layer 112, and the risk of damage to the light-shielding layer 112 caused by the breakage of the protection layer 120 is reduced.

It should be understood that when the light shielding layer 112 is located on the side of the glass layer 111 close to the protective layer 120, the protective layer 120 and the light shielding layer 112 are detachably bonded; when the light shielding layer 112 is located on the side of the glass layer 111 away from the protective layer 120, the protective layer 120 and the glass layer 111 are detachably bonded to each other.

Of course, in other embodiments, only the glass layer 111 may be disposed in the main body layer to further reduce the overall thickness of the rear cover 100.

In some embodiments of the present application, a decorative layer is disposed on a side of the protection layer 120 away from the rear cover body 110.

In the present embodiment, the decoration layer is used to decorate the protection layer 120 to improve the user experience. Specifically, the decorative layer may be a pattern decorative layer, which may have various patterns, so as to improve the aesthetic degree of the protective layer 120 and meet the preference of the user; or, the decorative layer can be the sense of touch decorative layer, and the sense of touch decorative layer sets up in the one side that rear cover body 110 was kept away from to protective layer 120, and the sense of touch decorative layer can change the user to protective layer 120's sense of touch, improves user experience. The tactile decorative layer may be a frosted layer or the like, which is not limited in this application.

Referring to fig. 4-5, the present application further provides a terminal device, which includes a middle frame 200 and a rear cover 100, wherein the rear cover 100 is connected to the middle frame 200.

The terminal device includes, but is not limited to, a mobile phone, a tablet computer, a smart watch, and the like.

In some embodiments of the present application, the middle frame 200 is provided with an adhesive member corresponding to at least a portion of the avoiding opening 101 in the rear cover 100, and the adhesive member penetrates through the corresponding avoiding opening 101 to adhere the protection layer 120.

In this embodiment, the adhesive member is protruded from the middle frame 200 to extend into the corresponding escape opening 101, and is adhered to the protection layer 120, so as to improve the connection strength of the protection layer 120 on the terminal device.

Wherein, the bonding piece can be double-sided bubble celloidin, hot melt adhesive etc. this application is not restricted to this.

Referring to fig. 4, in some embodiments of the present application, the rear cover 100 is in a flat plate shape, the middle frame 200 includes a lower end surface close to the rear cover 100, and the surface of the protection layer 120 away from the rear cover body 110 is disposed flush with the lower end surface or on a side of the lower end surface close to the upper end surface, so that the rear cover 100 does not protrude from the middle frame 200, the aesthetic appearance of the terminal device is improved, and the user experience is improved.

Referring to fig. 5, in some embodiments of the present application, the rear cover 100 is curved, a surface of the rear cover 100 away from the middle frame 200 is a first curved surface 122, an outer side surface of the middle frame 200 is a second curved surface 201, and the first curved surface 122 and the second curved surface 201 are connected smoothly, so that a touch feeling of a user at a junction of the first curved surface 122 and the second curved surface 201 is smooth and fluent, and a smooth aesthetic feeling of a contour of the terminal device can be improved.

It will be understood that any orientation or positional relationship indicated above with respect to the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc., is based on the orientation or positional relationship shown in the drawings and is for convenience in describing and simplifying the invention, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be considered limiting of the 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 three or more unless otherwise specified.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A rear cover, comprising:

a rear cover body;

the protective layer is detachably bonded to the outer side of the rear cover body through electrostatic adhesive.

2. The rear cover according to claim 1, wherein the protective layer is provided with a through detachment notch.

3. The rear cover according to claim 1, wherein the rear cover body is provided with at least one escape opening therethrough for exposing the protective layer.

4. The rear cover according to claim 3, wherein the rear cover body includes a main body layer, and the avoidance port is provided at a circumferential side of the main body layer.

5. The rear cover according to claim 1, wherein the rear cover body comprises a main body layer and an adhesive layer, the adhesive layer is located on one side of the main body layer away from the protective layer, the adhesive layer is provided with a dispensing portion, and the adhesive strength of the dispensing portion is greater than that of the adhesive layer.

6. The rear cover as claimed in claim 1, wherein the rear cover body comprises a main body layer including a glass layer and a light shielding layer, the light shielding layer being located on a side of the glass layer close to the protective layer or on a side of the glass layer far from the protective layer.

7. Rear cover according to any of claims 1-6, characterized in that the protective layer is provided with a decorative layer.

8. A terminal device, characterized in that it comprises a middle frame and a back cover according to any one of claims 1-7, said back cover being connected to said middle frame.

9. The terminal device according to claim 8, wherein the middle frame is provided with an adhesive member corresponding to at least a part of the escape opening in the rear cover, and the adhesive member is adhered to the protective layer through the corresponding escape opening.

10. The terminal device according to claim 8, wherein the rear cover has a flat plate shape, the middle frame includes a lower end surface close to the rear cover, and a surface of the protective layer away from the rear cover body is flush with the lower end surface.

11. The terminal device according to claim 8, wherein the rear cover is curved, a surface of the rear cover away from the middle frame is a first curved surface, an outer side surface of the middle frame is a second curved surface, and the first curved surface and the second curved surface are connected smoothly.