CN210692756U

CN210692756U - Electronic equipment, shell assembly and battery cover

Info

Publication number: CN210692756U
Application number: CN201921917877.1U
Authority: CN
Inventors: 温权浩; 吴永强
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-06-05
Anticipated expiration: 2029-11-07

Abstract

The application provides an electronic device, a housing assembly and a battery cover; the battery cover comprises a base body made of metal materials and an insert made of nonmetal materials, the insert is of an annular structure and is embedded in the base body, the insert is arranged along the inner side close to the periphery of the side edge of the base body and divides the base body into a main plate body and an edge body, and the main plate body is connected with the edge body through a connecting body; the edge body is provided with an antenna connecting contact which is used for being connected with a circuit board of the electronic equipment so as to enable the edge body to be used as the antenna of the electronic equipment. The electronic equipment, the shell assembly and the battery cover are provided by the embodiment of the application; by designing the structure for isolating the whole-circle plastic broken seam on the back of the battery cover, a clearance environment is provided for the antenna, the high-grade texture of the metal material of the appearance is met, and the appearance expressive force of the product is improved; but also solves the problem that the structure of the full-metal battery cover affects the antenna.

Description

Electronic equipment, shell assembly and battery cover

Technical Field

The invention relates to the technical field of electronic equipment shell structures, in particular to electronic equipment, a shell assembly and a battery cover.

Background

In the structure of electronic devices, the material of the battery cover ranges from the first plastic to the metal, glass and ceramic in recent years, and the metal has high strength and special appearance texture, so the material of the battery cover is very popular at present. However, as is well known, metal has a shielding effect on an antenna function, especially in the 5G era, requirements on an antenna environment and antenna performance are higher and higher, and it is very difficult to realize a 5G mobile phone by adopting a scheme of a full-metal battery cover. Therefore, how to design a battery cover using a metal case as a base material without affecting the performance of the antenna is an urgent technical issue to be solved.

Disclosure of Invention

The embodiment of the application provides a battery cover for electronic equipment, the battery cover comprises a base body made of metal materials and an insert made of nonmetal materials, the insert is of an annular structure and is embedded in the base body, the insert is arranged along the inner side close to the periphery of the side edge of the base body and divides the base body into a main plate body and an edge body, and the main plate body is connected with the edge body through a connecting body; the edge body is provided with an antenna connecting contact which is used for being connected with a circuit board of the electronic equipment so as to enable the edge body to be used as the antenna of the electronic equipment.

Another aspect of the embodiments of the present application further provides a housing assembly, where the housing assembly includes a display screen cover plate and the battery cover in any one of the above embodiments; the display screen cover plate is connected with the edge body of the battery cover base body in a matched mode, the display screen cover plate and the battery cover body are arranged in a surrounding mode to form a containing space, and the containing space is used for containing a circuit board of the electronic equipment.

In addition, this application embodiment provides an electronic equipment again, electronic equipment includes circuit board and the casing subassembly in the above-mentioned embodiment, the circuit board is located in the accommodation space of casing subassembly, and with the border body electric signal connection.

The electronic equipment, the shell assembly and the battery cover are provided by the embodiment of the application; by designing the structure for isolating the whole-circle broken seam on the appearance of the back of the battery cover, a clearance environment is provided for the antenna, the high-grade texture of the metal material of the appearance is met, and the appearance expressive force of a product is improved; but also solves the problem that the structure of the full-metal battery cover affects the antenna.

Drawings

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

FIG. 1 is a schematic overall structure diagram of an embodiment of an electronic device according to the present application;

FIG. 2 is a schematic diagram of a split structure of the electronic device in the embodiment of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the electronic device A-A in the embodiment of FIG. 1;

FIG. 4 is a schematic diagram of the overall structure of the battery cover in the embodiment of FIG. 1;

FIG. 5 is a front view of the battery cover of FIG. 4;

FIG. 6 is a schematic sectional view of the battery cover B-B of FIG. 5 showing the position of the connecting body;

FIG. 7 is an inner side structure view of the cell cover in FIG. 5;

FIG. 8 is a schematic sectional view of the battery cover C-C of FIG. 5 showing the structure of the corresponding adhesive pulling portion and not the position of the connecting body;

FIG. 9 is a schematic view of another embodiment of a battery cover;

FIG. 10 is a schematic view of the insert of the embodiment of FIG. 9;

FIG. 11 is a back structural view of the battery cover of FIG. 9;

FIG. 12 is a schematic cross-sectional view of the structure of FIG. 11 at D-D corresponding to the location of the antenna connection contacts;

FIG. 13 is a schematic structural view of the substrate in the embodiment of FIG. 9;

FIG. 14 is a schematic cross-sectional view in the Z-plane of FIG. 11;

fig. 15 is an enlarged view of a part of the structure at E in fig. 14.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be noted that the following examples are only illustrative of the present invention, and do not limit the scope of the present invention. Likewise, the following examples are only some but not all examples of the present invention, and all other examples obtained by those skilled in the art without any inventive step are within the scope of the present invention.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

As used herein, an "electronic device" (or simply "terminal") includes, but is not limited to, an apparatus that is configured to receive/transmit communication signals via a wireline connection, such as via a Public Switched Telephone Network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection, and/or another data connection/network, and/or via a wireless interface (e.g., for a cellular network, a Wireless Local Area Network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communication terminal). A communication terminal arranged to communicate over a wireless interface may be referred to as a "wireless communication terminal", "wireless terminal" or "mobile terminal". Examples of mobile terminals include, but are not limited to, satellite or cellular telephones; a Personal Communications System (PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; PDAs that may include radiotelephones, pagers, internet/intranet access, Web browsers, notepads, calendars, and/or Global Positioning System (GPS) receivers; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver. A cellular phone is an electronic device equipped with a cellular communication module.

Referring to fig. 1 and fig. 2 together, fig. 1 is a schematic overall structure diagram of an embodiment of an electronic device of the present application, and fig. 2 is a schematic disassembled structure diagram of the electronic device in the embodiment of fig. 1; it should be noted that the electronic device in the present application may include a mobile phone, a tablet computer, a notebook computer, a wearable device, and the like. The electronic device includes, but is not limited to, a housing assembly 10, a circuit board 20, and a battery 30. It should be noted that the terms "comprises" and "comprising," and any variations thereof, in the embodiments of the present application, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or may alternatively include other steps or elements inherent to such process, method, article, or apparatus.

Specifically, the housing assembly 10 includes a battery cover 100 and a display cover 200; referring to fig. 3, fig. 3 is a schematic cross-sectional view of a structure at a-a of the electronic device in the embodiment of fig. 1, the display screen cover plate 200 and the battery cover 100 together enclose a receiving space 101 for receiving structures such as a circuit board 20, a battery 30, and a display screen module (not shown) of the electronic device. The material of the display panel cover 200 may be glass or transparent resin.

Referring to fig. 4 and 5 together, fig. 4 is a schematic diagram illustrating an overall structure of the battery cover in the embodiment of fig. 1, and fig. 5 is a schematic diagram illustrating a front view structure of the battery cover in fig. 4; the battery cover 100 in this embodiment includes a base 110 made of a metal material and an insert 120 made of a non-metal material. The material of the substrate 110 may be aluminum alloy, magnesium alloy, stainless steel, or the like. The material of the insert 120 may be a plastic, such as PC (Polycarbonate), PMMA (Polymethyl Methacrylate), etc. The specific structure of the insert 120 is not particularly limited, and may be a non-metallic material that can be injection molded.

Alternatively, the insert 120 may be a ring-shaped structure and is embedded in the base 110, and the insert 120 is disposed along an inner side near a lateral periphery of the base 110 and divides the base 110 into a main board 111 and an edge body 112. Namely, the distance between the insert 120 and the side edge of the substrate 110 is the width of the edge body 112, and the edge body 112 has a ring structure. In the figure, reference numeral 88 may be a through hole formed in the main board body 111 and used for corresponding to the camera module of the electronic device. Alternatively, the base 110 and the insert 120 are formed by integral injection molding.

Referring to fig. 6 and 7 together, fig. 6 is a schematic sectional view of the battery cover B-B of fig. 5 at a position corresponding to a connecting body, and fig. 7 is a schematic structural view of the inner side of the battery cover of fig. 5; optionally, the main board body 111 and the edge body 112 are connected by a connecting body 102; the number of the connecting bodies 102 may be one or more, and the connecting bodies are embedded in the insert 120, which is equivalent to a bridge that is overlapped between the main plate body 111 and the edge body 112, and function to connect the main plate body 111 and the edge body 112, so that the base body 110 is an integral structure before being injection-molded with the insert 120, wherein the base body 110 may be formed by CNC machining. It should be noted that the terms "first", "second" and "third" in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Optionally, an antenna connection contact 1121 is disposed on an inner side of the edge body 112, and the antenna connection contact 1121 is configured to be connected to a circuit board 20 of an electronic device, so that the edge body 112 serves as an antenna of the electronic device. The number of the antenna connection contacts 1121 may be one or more, and is not particularly limited herein.

Referring to fig. 4 and fig. 6, optionally, in the present embodiment, the main board 111 is a flat plate structure, and the edge body 112 is at least partially bent toward a direction away from a side surface of the main board 111, that is, the overall structure of the battery cover 100 is equivalent to a structural form including a rear cover plate and a side frame, the main board 111 is equivalent to a rear cover plate, and the edge body 112 is equivalent to a side frame. Of course, in some other embodiments, the entire battery cover 100 may also be a flat plate structure or an entire arc surface structure, and the like, which are not listed and described in detail herein.

Referring to fig. 8, fig. 8 is a schematic sectional view of a structure of the battery cover C-C in fig. 5 corresponding to the glue pulling portion and not corresponding to the position of the connecting body, in the battery cover structure of the present embodiment, the edge body 112 is provided with a glue pulling portion 1122 extending toward the insert 120, the glue pulling portion 1122 is embedded in the insert 120, the glue pulling portion 1122 serves to strengthen the connection between the edge body 112 and the insert 120, the glue pulling portion 1122 is equivalent to a plurality of rivets extending into the insert 120, and the connection strength between the edge body 112 and the insert 120 is ensured. The metal base 110 is prevented from being separated from the plastic insert 120 after the cell cover is stressed. Alternatively, the number of the adhesive pulling portions 1122 may be multiple, and the adhesive pulling portions extend along the inner edge of the edge body 112. The glue spreading portion 1122 in the illustrated embodiment is disposed on the edge body 112, and in some other embodiments, the glue spreading portion may be disposed around the side edge of the main plate body 111, and the detailed technical features of this portion are within the understanding range of those skilled in the art and will not be described in detail here. It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Optionally, the roughness of the surface of the substrate 110 connected to the insert 120 is greater than the roughness of the other surfaces of the substrate 110, and specifically, before injection molding, the substrate 110 made of a metal material is subjected to E/T treatment (including chemical corrosion, electrochemical treatment, baking and other processes), so as to form a microscopic pit structure on the metal surface, thereby ensuring the strength of the bonding surface of the metal substrate 110 and the plastic insert 120 after injection molding.

The electronic equipment, the shell assembly and the battery cover are provided by the embodiment of the application; by designing the structure for isolating the whole-circle plastic broken seam on the back of the battery cover, a clearance environment is provided for the antenna, the high-grade texture of the metal material of the appearance is met, and the appearance expressive force of the product is improved; but also solves the problem that the structure of the full-metal battery cover affects the antenna.

Referring to fig. 9, fig. 9 is a schematic structural diagram of another embodiment of a battery cover, in which a battery cover 100 of the present embodiment also includes a substrate 110 made of a metal material and an insert 120 made of a non-metal material. The insert 120 is a ring structure and is embedded in the substrate 110. Different from the previous embodiment, the insert 120 of the present embodiment includes an insert body 121 and a separator 122, which are integrally formed, wherein the insert body 121 is of a ring structure and is disposed along an inner side near a side circumference of the base 110. The insert body 121 partitions the base body 110 to form a main plate body 111 and an edge body 112.

Alternatively, the number of the spacers 122 may be N, and the N spacers 122 extend toward the outside of the ring-shaped structure insert body 121, that is, the N spacers 122 extend divergently. Referring to fig. 10, fig. 10 is a schematic structural diagram of the insert in the embodiment of fig. 9. N of the spacers 122 divide the edge body 112 of the base 110 into N portions; at least one part of the edge body 112 divided into N parts is provided with an antenna connection contact, and the part of the edge body 112 provided with the antenna connection contact is used as an antenna of the electronic device; wherein N represents a positive integer of 1 or more.

Referring to fig. 11 and 12 together, fig. 11 is a schematic back structure diagram of the battery cover in fig. 9; FIG. 12 is a schematic cross-sectional view of the structure of FIG. 11 at D-D corresponding to the location of the antenna connection contacts; in the present embodiment, the number N of the spacers 122 is 8, the edge body 112 is divided into 8 portions, each portion of the edge body 112 is correspondingly provided with an antenna connection contact 1121, that is, the 8 portions of the edge body 112 are respectively used as an antenna radiator, the electronic device is configured such that antennas are distributed around the battery cover, antenna connection positions (the antenna connection contacts 1121) are exposed and connected to the circuit board 20, and the 8 portions of the edge body 112 are independently used as antenna radiators. The metal radiating portions of the sides at the location of the antenna connection contacts 1121 are separated from the back by plastic. Adjacent antennas (adjacent portions of the rim body 112) are separated by the spacer 122 to ensure that they do not interfere with each other.

Similarly, the main board body 111 and the edge body 112 of the base body 110 in the embodiment may also be connected by the connecting body 102, please refer to fig. 13, fig. 13 is a schematic structural diagram of the base body in the embodiment of fig. 9; since the edge body 112 is divided into a plurality of parts, at least one connecting body 102 is provided at each part to realize an integral connecting structure between the edge body 112 and the main plate body 111. For detailed structural features of the connecting body, reference is made to the description of the foregoing embodiments. In the non-antenna clearance area, the back metal (main board body 111) and the side metal (edge body 112) are connected through the connecting body 102 and are in ground conduction.

Optionally, the width W1 of the insert main body 121 in this embodiment may range from 1mm to 3mm, and specifically may range from 1mm, 1.1mm, 1.5mm, 1.6mm, 1.8mm, 2.0mm, 2.5mm, 3mm, and the like; the size design can meet the requirements of the whole aesthetic property of the electronic equipment and the design requirement of antenna clearance simultaneously. Further, the insert body 121 may have a width in the range of 1.5-2 mm.

Alternatively, the width W2 of the separator 122 in this embodiment can range from 0.8mm to 2.5mm, and specifically can be 0.8mm, 1.0mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.8mm, 2.0mm, 2.5mm, etc.; the width of the spacer 122 can be smaller than the width of the insert body 121, and the spacer 122 mainly functions to space the multi-segment edge bodies 112 apart. Further alternatively, the width of the separator may range between 1.2-1.5 mm.

Referring to fig. 14 and 15 together, fig. 14 is a cross-sectional view in the Z plane of fig. 11, and fig. 15 is an enlarged view of a portion of the structure at E in fig. 14; optionally, the inner side of the edge body 112, which is an antenna part of the electronic device, is provided with the clearance insulator 130, in this embodiment, since a plurality of parts of the edge body 112 are all used as antenna radiators, the inner side of the edge body 112 may be provided with the clearance insulator 130, that is, the clearance insulator 130 may be circumferentially arranged, so as to ensure clearance isolation of the whole edge body 112. The material of the clearance insulator 130 may be plastic. Alternatively, in the present embodiment, the headroom insulator 130 and the insert 120 may be of an integral structure, that is, the headroom insulator 130 and the insert 120 are integrally injection-molded.

The whole processing process of the battery cover is simply described as follows: firstly, the shape of a base body (comprising a main plate body, an edge body and a connecting body for connecting the main plate body and the edge body) is formed through CNC machining, then the surface to be injection-molded of the base body is subjected to T/E treatment, then integral injection molding is carried out to form an insert, the appearance surface of the battery cover is machined, and finally, the steps of anode treatment, grinding, spraying and the like can be further included.

The battery cover that this application embodiment provided adopts the integrative form of tearing open of full metal, on the basis of solving the antenna headroom problem, both satisfied outward appearance metal material senior sense and can obtain mellow feeling again, have very good user experience.

The above description is only a part of the embodiments of the present invention, and not intended to limit the scope of the present invention, and all equivalent devices or equivalent processes performed by the present invention through the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A battery cover for electronic equipment is characterized by comprising a base body made of metal materials and an insert made of non-metal materials, wherein the insert is of an annular structure and is embedded in the base body; the edge body is provided with an antenna connecting contact which is used for being connected with a circuit board of the electronic equipment so as to enable the edge body to be used as the antenna of the electronic equipment.

2. The battery cover of claim 1, wherein the insert comprises an insert body and a separator, the insert body is of an integrated structure and is of a ring-shaped structure, the insert body is arranged along the inner side close to the circumference of the side edge of the substrate and separates the substrate into a main plate body and an edge body; the number of the separators is N, the separators extend towards the outer side of the annular structure insert main body, and the N separators divide the edge body of the base body into N parts; at least one part of the edge body is provided with an antenna connecting contact, and the part of the edge body provided with the antenna connecting contact is used as an antenna of the electronic equipment; wherein N represents a positive integer of 1 or more.

3. The battery cover as claimed in claim 2, wherein the edge body is provided with a clearance insulator as an inner side of an antenna portion of the electronic device.

4. The battery cover of claim 3, wherein the headroom insulator is a unitary structure with the insert.

5. The battery cover of claim 1, wherein the base and the insert are integrally injection molded.

6. The battery cover of claim 5, wherein the insert is made of plastic.

7. The battery cover of claim 6, wherein the edge body is provided with a pulling glue portion extending towards the insert, the pulling glue portion being embedded in the insert.

8. The battery cover of claim 5, wherein a surface of the substrate to which the insert is attached has a roughness greater than a roughness of other surfaces of the substrate.

9. The battery cover according to claim 1, wherein the edge body is at least partially bent away from a side surface of the main plate body.

10. The battery cover of claim 2, wherein the insert body has a width in the range of 1-3 mm.

11. The battery cover of claim 10, wherein the insert body has a width in the range of 1.5-2 mm.

12. The battery cover of claim 10, wherein the separator has a width in the range of 0.8-2.5 mm.

13. The battery cover of claim 12, wherein the separator has a width in the range of 1.2-1.5 mm.

14. A housing assembly comprising a display cover plate and a battery cover as claimed in any one of claims 1 to 13; the display screen cover plate is connected with the edge body of the battery cover base body in a matched mode, the display screen cover plate and the battery cover body are arranged in a surrounding mode to form a containing space, and the containing space is used for containing a circuit board of the electronic equipment.

15. An electronic device comprising the housing assembly of claim 14 and a circuit board disposed in the receiving space of the housing assembly and electrically connected to the edge body.