CN107995333B - Middle frame, middle frame components and electronic equipment - Google Patents

Abstract

The embodiment of the application discloses a middle frame, a middle frame assembly and electronic equipment, wherein the middle frame assembly comprises a middle frame and an antenna radiating body, the middle frame is provided with a first placing groove, a second placing groove and a first screw hole, the second placing groove is located in the first placing groove and communicated with the first placing groove, and the second placing groove is formed in a concave mode from the opening of the first placing groove to the middle frame; the first screw hole is positioned in the first placing groove and communicated with the first placing groove, and the first screw hole penetrates through the middle frame; the antenna radiator is provided with the arch, and the antenna radiator is placed in first standing groove, and the arch is placed in the second standing groove, receives in the first screw bolt through first screw spiro union the antenna radiator is fixed to first standing groove. Therefore, the antenna radiator is placed in the first placing groove of the middle frame, the middle frame has continuity and integrity, and the strength of the middle frame is increased.

Description

Middle frame, middle frame components and electronic equipment

technical field

The present application relates to the technical field of electronic equipment, and in particular, to a middle frame, a middle frame assembly, and electronic equipment.

Background technique

With the development of network technology and the improvement of the degree of intelligence of electronic devices, users can realize more and more functions through electronic devices, such as calling, chatting, and playing games.

Wherein, the user realizes signal transmission through the antenna of the electronic device in the process of using the electronic device to talk or chat. The manufacturing method of the existing antenna is to disconnect one or more openings on the frame of the middle frame, and set the disconnected part as an antenna. However, setting the disconnected part as an antenna will break the continuity of the frame and reduce the strength of the middle frame.

SUMMARY OF THE INVENTION

Embodiments of the present application provide a middle frame, a middle frame assembly, and an electronic device, which can increase the strength of the middle frame.

In a first aspect, an embodiment of the present application provides a middle frame, the middle frame is provided with a first placement slot, a second placement slot and a first screw hole, the second placement slot is located in the first placement slot, and communicated with the first placement slot, the second placement slot is formed concavely from the opening of the first placement slot toward the middle frame; the first screw hole is located in the first placement slot, and In communication with the first placement groove, the first screw hole penetrates the middle frame.

In a second aspect, an embodiment of the present application further provides a middle frame assembly, including a middle frame and an antenna radiator, the middle frame is provided with a first placement slot, a second placement slot and a first screw hole, the second placement slot is located in the first placement slot and communicated with the first placement slot, the second placement slot is formed concavely from the opening of the first placement slot toward the middle frame; the first screw hole is located in the first placement slot and communicated with the first placement slot, the first screw hole penetrates the middle frame; the antenna radiator is provided with a protrusion, and the antenna radiator is placed in the In the first placement slot, the protrusion is placed in the second placement slot, and the antenna radiator is fixed into the first placement slot by screwing a first screw into the first screw hole.

In a third aspect, an embodiment of the present application further provides an electronic device, where the electronic device includes a middle frame, and the middle frame is the middle frame described in any one of the above.

In a fourth aspect, an embodiment of the present application further provides an electronic device, the electronic device includes a middle frame assembly, and the middle frame assembly is the middle frame assembly described in any one of the above.

In the middle frame assembly provided by the embodiment of the present application, the antenna radiator is arranged in the first placement slot of the middle frame, the middle frame can be integrally formed, the middle frame has continuity and integrity, and has high strength, which can increase the strength of the middle frame.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the drawings that are used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, other drawings can also be obtained from these drawings without creative effort.

FIG. 1 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.

FIG. 2 is another schematic structural diagram of an electronic device provided by an embodiment of the present application.

FIG. 3 is another schematic structural diagram of an electronic device provided by an embodiment of the present application.

FIG. 4 is another schematic structural diagram of an electronic device provided by an embodiment of the present application.

FIG. 5 is a schematic structural diagram of a frame assembly in an embodiment of the present application.

FIG. 6 is a schematic structural diagram of a middle frame provided by an embodiment of the present application.

FIG. 7 is a schematic structural diagram of the frame at the position of the placement groove in the embodiment of the present application.

FIG. 8 is another schematic structural diagram of a middle frame provided by an embodiment of the present application.

FIG. 9 is a schematic structural diagram of an antenna radiator provided by an embodiment of the present application.

FIG. 10 is another schematic structural diagram of an antenna radiator provided by an embodiment of the present application.

FIG. 11 is another schematic structural diagram of an antenna radiator provided by an embodiment of the present application.

FIG. 12 is another schematic structural diagram of a middle frame assembly provided by an embodiment of the present application.

FIG. 13 is another schematic structural diagram of a middle frame assembly provided by an embodiment of the present application.

FIG. 14 is another schematic structural diagram of a middle frame assembly provided by an embodiment of the present application.

FIG. 15 is another schematic structural diagram of an electronic device provided by an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc., or The positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as a limitation on this application. In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, features defined as "first", "second" may expressly or implicitly include one or more of said features. In the description of the present application, "plurality" means two or more, unless otherwise expressly and specifically defined.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be mechanical connection, electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction of two elements relation. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

In this application, unless otherwise expressly specified and defined, a first feature "on" or "under" a second feature may include direct contact between the first and second features, or may include the first and second features Not directly but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different structures of the present application. To simplify the disclosure of the present application, the components and arrangements of specific examples are described below. Of course, they are only examples and are not intended to limit the application. Furthermore, this application may repeat reference numerals and/or reference letters in different instances for the purpose of simplicity and clarity, and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, this application provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Embodiments of the present application provide a metal substrate, a middle frame assembly, and an electronic device. The detailed descriptions will be given below.

In this embodiment, description will be made from the perspective of a middle frame assembly, which may be specifically provided in an electronic device, such as a mobile phone, a tablet computer, a PDA (Personal Digital Assistant, PDA), and the like.

Please also refer to 1, FIG. 1 is a schematic structural diagram of an electronic device provided by an embodiment of the present application. The electronic device 1 includes a casing 10 , an antenna radiator 20 , a printed circuit board 30 , a display screen 40 , and a battery 50 .

The casing 10 may include a cover plate 11 , a middle frame 12 and a rear cover 13 , and the cover plate 11 , the middle frame 12 and the rear cover 13 are combined to form the casing 10 . The closed space formed by the frame 12 and the back cover 13 is used to accommodate components such as the antenna radiator 20 , the printed circuit board 30 , the display screen 40 , and the battery 50 . In some embodiments, the cover 11 is covered on the middle frame 12 , the rear cover 13 is covered on the middle frame 12 , the cover 11 and the rear cover 13 are located on the opposite sides of the middle frame 12 , the cover 11 and the rear cover 13 Relatively arranged, the closed space of the housing 10 is located between the cover plate 11 and the rear cover 13 .

In some embodiments, the housing 10 may be a metal housing. It should be noted that the material of the housing 10 in the embodiment of the present application is not limited to this, and other methods may also be used. For example, the housing 10 may include a plastic part and a metal part. For another example, the casing 10 may be a plastic casing. For another example, the casing 10 may be a casing structure in which metal and plastic cooperate with each other. The cover plate 11 may be a transparent glass cover plate. In some embodiments, the cover plate 11 may be a glass cover plate made of a material such as sapphire.

It should be noted that the structure of the housing in the embodiment of the present application is not limited to this. For example, the rear cover and the middle frame are integrally formed to form a middle frame 12 structure. Specifically, the housing 10 includes a cover plate 11 and a middle frame 12 . The cover plate 11 and the middle frame 12 are fixed to each other to form a closed space for accommodating the antenna radiator 20 , the printed circuit board 30 , the display screen 40 , and the battery 50 . and other devices.

The periphery of the casing 10 includes a first side portion 101 , a second side portion 102 , a third side portion 103 and a fourth side portion 104 that are connected end to end. The first side portion 101 and the third side portion 103 are arranged opposite to each other, and the second side portion 102 and the fourth side portion 104 are arranged opposite to each other.

Please refer to FIG. 2 , which is another schematic structural diagram of an electronic device provided by an embodiment of the present application. The casing 10 may be provided with an earphone hole 105 , a microphone hole 106 , a speaker hole 108 , and a universal serial bus interface hole 107 on its periphery. The earphone hole 105 , the microphone hole 106 , the speaker hole 108 , and the USB interface hole 107 are all through holes.

The antenna radiator 20 is installed inside the casing 10 . The antenna radiator 20 is used for transmitting wireless signals to the outside, or receiving wireless signals sent by other electronic devices. The antenna radiator 20 may be, for example, a radio frequency antenna, a Bluetooth antenna, a wireless fidelity (WiFi) antenna, or the like.

In some embodiments, the antenna radiator 20 may be provided on the cover plate 11 , the antenna radiator 20 may be provided on the middle frame 12 , and the antenna radiator 20 may be provided on the back cover 13 . In some embodiments, the antenna radiator 20 is set on the middle frame 12 as an example for description, and the antenna radiator 20 is set on the middle frame 12 to form a middle frame assembly. That is, the middle frame assembly includes the middle frame 12 and the antenna radiator 20 .

Wherein, the antenna radiator 20 may be directly integrally formed with the middle frame 12 . Specifically, the middle frame 12 may include a metal substrate, such as a metal substrate made of magnesium alloy, and the antenna radiator 20 is also made of magnesium alloy, and the metal substrate antenna radiator 20 is injection-molded in the same process. The antenna radiator 20 may also be fixed on the middle frame 12 in a detachable fixing manner, for example, by screwing the antenna radiator to the middle frame 12 . It should be noted that the fixing method of the antenna radiator 20 and the middle frame 12 is not limited to this, and can also be limited and fixed by means of clip connection, plug connection, and glue sticking. Therefore, the antenna radiator is arranged at the peripheral position of the middle frame, the middle frame can be integrally formed, the middle frame has continuity and integrity, and the strength is high, which can increase the strength of the middle frame.

In some embodiments, the antenna radiator 20 may be disposed at the position of the third side portion 103 of the housing 10 , or the antenna radiator 20 is adjacent to the third side portion 103 of the housing 10 , or the antenna radiator 20 Close to the third side of the housing 10 . Also, the antenna radiator 20 is close to the second side portion 102 . Specifically, the antenna radiator 20 is located at a corner position between the third side portion 103 and the second side portion 102 .

It should be noted that the antenna radiator 20 may also be disposed in other positions, for example, please refer to FIG. 3 , which is another schematic structural diagram of the electronic device according to the embodiment of the present application. The difference between the electronic device shown in FIG. 3 and the electronic device shown in FIG. 1 is that the antenna radiator 20 is disposed at the position of the first side portion 101 of the housing 10 , and the antenna radiator 20 may be close to the fourth side portion 104 . Also close to the second side 102 is possible. It should be noted that, in some other embodiments, the antenna radiator 20 may also be disposed at the position of the second side portion 102 of the casing 10 or at the position of the fourth side portion 104 of the casing 10 , which is not repeated here. An example.

Wherein, the printed circuit board 30 is installed in the housing 10, the printed circuit board 30 can be the main board of the electronic device 1, and the printed circuit board 30 can be integrated with a motor, a microphone 62, a speaker 64, an earphone interface 61, One, two or more of functional components 60 such as a universal serial bus interface 63, a camera, a distance sensor, an ambient light sensor, a receiver, and a processor. The printed circuit board 30 can be integrated with a microphone 62 , a speaker 64 , an earphone interface 61 , and a universal serial bus interface 63 . The headphone jack 61 is arranged at the headphone hole 105 position, the microphone 62 is arranged at the microphone hole 106 position, the USB interface 63 is arranged at the USB interface hole 107 position, and the speaker 64 is arranged at the speaker hole 108 position.

In some embodiments, the printed circuit board 30 is fixed within the housing 10 . Specifically, the printed circuit board 30 can be screwed to the middle frame 12 by screws, or can be snap-fitted to the middle frame 12 by means of snaps. It should be noted that, the specific way of fixing the printed circuit board 30 to the middle frame 12 in the embodiment of the present application is not limited to this, and other ways, such as a way of co-fixing by a buckle and a screw, is also possible.

The battery 50 is installed in the housing 10 , and the battery 50 is electrically connected to the printed circuit board 30 to provide power to the electronic device 1 . The case 10 may serve as a battery cover for the battery 50 . The casing 10 covers the battery 50 to protect the battery 50 , specifically, the back cover covers the battery 50 to protect the battery 50 and reduce damage to the battery 50 due to collision, drop, etc. of the electronic device 1 .

Wherein, the display screen 40 is installed in the casing 10 , and at the same time, the display screen 40 is electrically connected to the printed circuit board 30 to form the display surface of the electronic device 1 . The display screen 40 includes a display area 111 and a non-display area 112 . The display area 111 may be used to display the screen of the electronic device 1 or for the user to perform touch manipulation or the like. The top area of the non-display area 112 is provided with openings for sound and light transmission, and the bottom of the non-display area 112 can be provided with functional components such as fingerprint modules and touch buttons. The cover plate 11 is mounted on the display screen 40 to cover the display screen 40 to form the same display area and non-display area as the display screen 40 . For details, please refer to the display area and non-display area of the display screen 40 .

It should be noted that the structure of the display screen 40 is not limited to this. For example, the display screen may be a full screen or a special-shaped screen. Specifically, please refer to FIG. 4 , which is another schematic structural diagram of the electronic device provided by the embodiment of the present application. The difference between the electronic device in FIG. 4 and the electronic device in FIG. 1 is that the non-display area is directly formed on the display screen 40, for example, the non-display area of the display screen 40 is set as a transparent structure or a through-hole structure, so that the light signal Through, or directly in the non-display area of the display screen 40 to open holes or gaps for light transmission, the front camera, distance sensor, ambient light sensor, etc. can be set in the non-display area, so that the front camera Photo, photoelectric sensor detection.

It should also be noted that, in some embodiments, the display screen 40 may also not include a non-display area, but may be arranged in a full-screen structure, and the distance sensor and the ambient light sensor may be arranged below the display screen.

In some embodiments, the antenna radiator 20 is disposed at the peripheral position of the housing 10 . The following will take the example that the antenna radiator 20 is fixed on the middle frame 12 for detailed description.

Please refer to FIG. 5 , which is a schematic structural diagram of a frame assembly in an embodiment of the present application. The middle frame assembly 70 includes the interconnected middle frame 12 and the antenna radiator 20 . Specifically, one end of the antenna radiator 20 is fixed on the middle frame 12 by the first screw 21, and the antenna radiator 20 is also fixed on the middle frame 20 by the fixing structure 22. The first screw 21 and the fixing structure 22 limit and fix the antenna together. The radiator 20 is more stable and firmer when the antenna radiator 20 is fixed on the middle frame 12 .

Please refer to FIG. 6 , which is a schematic structural diagram of a middle frame according to an embodiment of the present application. The middle frame 12 may include a metal substrate 121 and a non-metal substrate 122 which are connected to each other.

Wherein, the metal substrate 121 can be made of magnesium alloy material. The non-metal substrate 122 can be made of plastic. The metal substrate 121 and the non-metallic substrate 122 can be fixedly connected to form an integral structure of the middle frame 12 by means of injection molding.

In some embodiments, the middle frame 12 may include a placement groove 1222 formed on the non-metal substrate 122 . In some embodiments, please refer to FIG. 7 , which is a schematic structural diagram of the frame at the position of the placement groove in an embodiment of the present application. The placement slot 1222 may include a first placement slot 1223 and a second placement slot 1224, the second placement slot 1224 is located in the first placement slot 1223 and communicates with the first placement slot 1223, and the second placement slot 1224 starts from the first placement slot 1224. The opening 1223 is formed concavely toward the middle frame 12 .

In some embodiments, the middle frame 12 may include a first screw hole 1221 , and the first screw hole 1221 may penetrate the middle frame 12 , for example, the first screw hole 1221 may penetrate the non-metallic substrate 122 . For another example, the first screw hole 1221 may penetrate through the non-metal substrate 122 and the metal substrate 121 . The first screw hole 1221 is located in the first placement groove 1223 and communicates with the first placement groove 1223 . The first screw 21 may be screwed into the first screw hole 1221 , and the first screw 21 may penetrate through the first screw hole 1221 and be connected to the printed circuit board 30 .

Please refer to FIG. 8 , which is another schematic structural diagram of a middle frame provided by an embodiment of the present application. The middle frame 12 may further include a second screw hole 1225 , the second screw hole 1225 is located in the first placement groove 1223 and communicated with the first placement groove 1223 . It should be noted that the second screw hole 1225 is located on the non-metal substrate 122 and does not extend to the metal substrate 121 . The second screw hole can be screwed with a second screw.

Please refer to FIG. 9 , which is a schematic structural diagram of an antenna radiator provided by an embodiment of the present application. The antenna radiator 20 may be a strip-shaped structure, specifically a strip-shaped plate-shaped structure. The antenna radiator 20 includes a first end 201 and a second end 202 , and the first end 201 and the second end 202 are respectively located at two opposite ends of the antenna radiator 20 . In some embodiments, the antenna radiator 20 can be placed in the placement slot 1222, and the placement slot 1222 can limit and fix the antenna radiator 20, so that the antenna radiator 20 is firmly fixed. Specifically, the antenna radiator 20 is placed in the first placement slot 1223 , and the antenna radiator 20 does not protrude from the surface of the middle frame 12 ; it should be noted that the antenna radiator 20 may also protrude from the surface of the middle frame 12 .

In some embodiments, the antenna radiator 20 may include a screw hole. Specifically, the antenna radiator 20 includes a third screw hole 23 , and the third screw hole 23 penetrates the antenna radiator 20 . Further, the third screw hole 23 is located at the first end 201 . It should be noted that the third screw hole 23 may also be located at other positions of the antenna radiator 20 , such as the middle of the antenna radiator 20 or the second end 202 and the like. The first screw 21 can pass through or screw into the third screw hole 23 and pass through or screw into the first screw hole 1221 to fix the antenna radiator 20 on the middle frame 12 . Moreover, the first screw 21 can pass through the first screw hole 1221 and be electrically connected to the printed circuit board 30, so as to electrically connect the antenna radiator 20 to the printed circuit board 30 to realize signal transmission and reception.

In some embodiments, please refer to FIG. 10 , which is another schematic structural diagram of an antenna radiator provided by an embodiment of the present application. The antenna radiator 20 may include a protrusion 25 , and the protrusion 25 may be disposed on the periphery of the antenna radiator 20 . It should be noted that, the protrusion 25 may also be disposed in the middle of the antenna radiator 20 or at other positions. In some embodiments, the protrusion 25 is placed in the second placement groove 1224 , and the cooperation between the second placement groove 1224 and the protrusion 25 plays a limiting and fixing role, so that the antenna radiator 20 is fixed on the middle frame 12 more easily. Stable and firm.

Therefore, in the embodiment of the present application, the fixing structure 22 is formed by the cooperation of the first placement groove 1223 and the antenna radiator 20, and the cooperation of the second placement groove 1224 and the protrusion 25, which can stably and firmly limit the whole of the antenna radiator 20. on the middle frame 12.

It should be noted that the antenna radiator 20 may also include two screw holes or multiple screw holes, for example, the antenna radiator 20 includes two screw holes. In some embodiments, please refer to FIG. 11 , which is another schematic structural diagram of an antenna radiator provided by an embodiment of the present application. The antenna radiator 20 may include a third screw hole 23 and a fourth screw hole 24 , the third screw hole 23 passing through the antenna radiator 20 , and the fourth screw hole 24 passing through the antenna radiator 20 . Further, the third screw hole 23 is located at the first end 201 , and the fourth screw hole 24 is located at the second end 202 . Wherein, the second screw can pass through or screw into the fourth screw hole 24 .

The above is the embodiment of the present application to form the fixing structure 22 through the cooperation of the first placement groove 1223 and the antenna radiator 20 and the cooperation of the second placement groove 1224 and the protrusion 25 . It should be noted that, the structure of the fixing structure 22 in the embodiment of the present application is not limited to this.

In some embodiments, please refer to FIG. 12 , which is another schematic structural diagram of a middle frame assembly provided by an embodiment of the present application. 12 is an improvement on the basis of FIG. 5 . The difference between FIG. 12 and FIG. 5 is that the fixing structure 22 in FIG. 12 may include a second screw 221 , and the second screw 221 may pass through the antenna radiator 20 The fourth screw hole 25 is screwed to the second screw hole 1225 of the middle frame 12 to fix the second end 202 of the antenna radiator 20 to the middle frame 12 . It should be noted that, in some embodiments, when the antenna radiator 20 is fixed by the second screw, the placement slot may not be provided, and the antenna radiator 20 may be directly fixed on the middle frame 12 by the first screw and the second screw on the surface.

In some embodiments, please refer to FIG. 13 , which is another schematic structural diagram of a middle frame assembly provided by an embodiment of the present application. FIG. 13 is an improvement based on FIG. 5 . The difference between FIG. 13 and FIG. 5 is that the fixing structure 22 in FIG. 13 may include a buckle 222 , and the buckle 222 can clamp the antenna radiator 20 , specifically The second end 202 of the antenna radiator 20 is clamped to fix the second end 202 of the antenna radiator 20 to the middle frame 12 . In the actual installation process, the second end 202 of the antenna radiator 20 can be inserted into the position of the buckle 222 and placed between the buckle 222 and the middle frame 12, and the buckle 222 can be snapped onto the antenna radiator 20, The antenna radiator 20 is limited and fixed, and then the first end 201 of the antenna radiator 20 is fixed to the middle frame 12 through the first screw 21 . It should be noted that, in some embodiments, when the antenna radiator 20 is fixed by snaps, a placement slot may not be provided, and the antenna radiator 20 may be directly fixed on the surface of the middle frame 12 by the first screws and the snaps superior.

In some embodiments, please refer to FIG. 14 , FIG. 14 is another schematic structural diagram of a middle frame assembly provided by an embodiment of the present application. FIG. 14 is an improvement based on FIG. 5 . The difference between FIG. 14 and FIG. 5 is that the fixing structure 22 in FIG. 14 may include a pressing plate 223 , and the pressing plate 223 can press the antenna radiator 20 . Hold the second end 202 of the antenna radiator 20 to fix the second end 202 of the antenna radiator 20 to the middle frame 12 . In the actual installation process, the second end 202 of the antenna radiator 20 can be inserted into the position of the pressure plate 223 and placed between the pressure plate 223 and the middle frame 12, and the pressure plate 223 and the antenna radiator 20 are attached and radiate to the antenna. The body 20 plays a limiting and fixing role, and then the first end 201 of the antenna radiator 20 is fixed to the middle frame 12 through the first screw 21 . It should be noted that, in some embodiments, when the antenna radiator 20 is fixed by the pressing plate, the placement slot may not be provided, and the antenna radiator 20 may be directly fixed on the surface of the middle frame 12 by the first screw and the pressing plate.

In some embodiments, referring to FIG. 15 , FIG. 15 is another schematic structural diagram of an electronic device provided by an embodiment of the present application.

The electronic device 1 includes signal sources 41 , 42 , 43 , 44 and 45 . Each signal source is used to generate a wireless signal. For example, the signal source 41 is used to generate a Bluetooth signal, the signal source 42 is used to generate a Wireless-Fidelity (Wi-Fi) signal, the signal source 43 is used to generate a high frequency radio frequency signal, and the signal source 44 is used to generate an intermediate frequency radio frequency signal, the signal source 45 is used to generate the low frequency radio frequency signal.

The electronic device 1 also includes matching circuits 31 , 32 , 33 , 34 , 35 . The matching circuit 31 is connected to the signal source 41 , the matching circuit 32 is connected to the signal source 42 , the matching circuit 33 is connected to the signal source 43 , the matching circuit 34 is connected to the signal source 44 , and the matching circuit 35 is connected to the signal source 45 . Each matching circuit may include electronic components such as power amplifiers and filters. Each matching circuit is used to perform power amplification, filtering and other processing on the wireless signal generated by the connected signal source.

The electronic device 1 also includes a combiner 91 . The combiner 91 is connected to the matching circuits 34 and 35 . Wherein, the combiner 91 is used to perform carrier aggregation on the uplink radio frequency signal or divide the frequency of the downlink radio frequency signal.

The electronic device 1 further includes antenna radiators 51 , 52 , 53 and an antenna radiator 54 . The antenna radiators 51 , 52 , 53 , and 54 are respectively connected to the matching circuits 31 , 32 , 33 and the combiner 91 . The antenna radiators 51 , 52 , and 53 may be antenna radiators disposed inside the electronic device 1 . For example, the antenna radiators 51 , 52 and 53 may be antenna radiators provided on the circuit board of the electronic device 1 . The antenna radiator 54 may be an extension provided on the middle frame of the electronic device 1 . For example, the antenna radiator 54 may be a magnesium alloy extension on the middle frame of the electronic device 1 .

Each antenna radiator is used to send and receive radio frequency signals. For example, the antenna radiator 51 is used to send and receive Bluetooth signals, the antenna radiator 52 is used to send and receive Wi-Fi signals, the antenna radiator 53 is used to send and receive high frequency radio frequency signals, and the antenna radiator 54 is used to send and receive medium and low frequency radio frequency signals. Wherein, the medium and low frequency radio frequency signal is a carrier aggregation signal of the intermediate frequency radio frequency signal and the low frequency radio frequency signal.

The electronic device 1 also includes switches 81 , 82 , 83 , 84 . The switches 81 , 82 , 83 and 84 are respectively connected to the antenna radiators 51 , 52 , 53 and 54 . The switches 81, 82, 83, 84 may be single-pole single-throw switches.

The electronic device 1 also includes ground points 71 , 72 , 73 , 74 . The ground points 71 , 72 , 73 and 74 are respectively connected to the switches 81 , 82 , 83 and 84 . The grounding points 71 , 72 , 73 , and 74 are used to ground the antenna radiators 51 , 52 , 53 , and 54 , respectively. The switches 81 , 82 , 83 , and 84 are used to connect or disconnect the grounding points 71 , 72 , 73 , and 74 , respectively.

It should be noted that, for the antenna radiator 54 in the figure, reference may be made to the above-mentioned antenna radiator 20, and details are not described herein again.

Those skilled in the art can understand that the structures of the electronic device 1 shown in FIGS. 1 to 4 do not constitute a limitation on the electronic device 1 . The electronic device 1 may comprise more or fewer components than shown, or combine certain components, or a different arrangement of components. The electronic device 1 may further include a memory, a Bluetooth module, and the like, which will not be repeated here.

The middle frame assembly and the electronic device provided by the embodiments of the present application are described in detail above, and the principles and implementations of the present application are described by using specific examples herein. The descriptions of the above embodiments are only used to help understand the present application. At the same time, for those skilled in the art, according to the idea of the present application, there will be changes in the specific embodiments and application scope. To sum up, the content of this specification should not be construed as a limitation to the present application.

Claims (6)

1. A middle frame assembly is characterized by comprising a middle frame and an antenna radiator, wherein the middle frame is provided with a first placing groove, a second placing groove and a first screw hole, the second placing groove is positioned in the first placing groove and communicated with the first placing groove, and the second placing groove is inwards formed from the opening of the first placing groove in the direction towards the middle frame; the first screw hole is positioned in the first placing groove and communicated with the first placing groove, and the first screw hole penetrates through the middle frame; the antenna radiator is provided with a bulge, the antenna radiator is placed in the first placing groove, the bulge is placed in the second placing groove, and the antenna radiator is fixed in the first placing groove through a first screw bolt in the first screw hole.

2. The center frame assembly of claim 1, wherein the protrusion is disposed on a periphery of the antenna radiator.

3. The middle frame assembly according to claim 1, wherein the middle frame includes a metal base plate and a non-metal base plate coupled to each other, the first placement groove and the second placement groove being respectively provided on the non-metal base plate.

4. The middle frame assembly according to claim 3, wherein said first screw hole extends through said non-metallic substrate; or the first screw hole penetrates through the nonmetal substrate and the metal substrate.

5. An electronic device, characterized in that the electronic device comprises a middle frame assembly, wherein the middle frame assembly is the middle frame assembly according to any one of claims 1 to 4.

6. The electronic device of claim 5, further comprising a printed circuit board fixed to the middle frame, wherein the first screw penetrates through the first screw hole and is electrically connected to the printed circuit board.