Electronic device

Abstract

The invention discloses an electronic device, and belongs to the technical field of electronic products, the electronic device comprises a frame body, the frame body encloses to form a containing cavity, the containing cavity is internally provided with a loudspeaker assembly and a flexible circuit board, and the frame body is provided with an antenna and a key assembly; wherein the flexible circuit board comprises a main body part, a first branch circuit and a second branch circuit, the main body part is electrically connected with a main circuit board of the electronic equipment, the first branch circuit is electrically connected with the loudspeaker assembly or the first branch circuit is connected with the key assembly, and the second branch circuit is electrically connected with the antenna.

Description

Technical Field

[0001] The present application belongs to the technical field of electronic products, and specifically relates to an electronic device. Background Art

[0002] With the development of technology, more and more functions are integrated into electronic devices such as mobile phones, and the stacking space of various functional components is becoming more and more limited. At present, a spring is usually set on the main circuit board to achieve electrical connection with the antenna. However, when the thickness of the electronic device is getting thinner and thinner, in order to ensure the structural strength of the circuit board used for electrically connecting the antenna structure and the mainboard, a reinforcement structure is usually set. The setting of the reinforcement structure will compress the occupied space of the sound structure of the electronic device, thereby affecting the stacking effect of the electronic device.

[0003] It can be seen that the functional components of the electronic equipment in the related art have the problem of poor stacking effect. Summary of the invention

[0004] The purpose of the embodiments of the present application is to provide an electronic device that can solve the problem of poor stacking effect of functional components of electronic devices in the related art.

[0005] An embodiment of the present application proposes an electronic device, including a frame, which encloses a accommodating cavity, in which a speaker assembly and a flexible circuit board are arranged, and an antenna and a button assembly are arranged on the frame; wherein the flexible circuit board includes a main body, a first branch and a second branch, the main body is electrically connected to the main circuit board of the electronic device, the first branch is electrically connected to the speaker assembly or the first branch is connected to the button assembly, and the second branch is electrically connected to the antenna.

[0006] In the embodiment of the present application, the electronic device includes: a frame, the frame is enclosed to form a receiving cavity, a speaker assembly and a flexible circuit board are arranged in the receiving cavity, and an antenna and a button assembly are arranged on the frame; wherein the flexible circuit board includes a main body, a first branch and a second branch, the main body is electrically connected to the main circuit board of the electronic device, the first branch is electrically connected to the speaker assembly or the first branch is connected to the button assembly, and the second branch is electrically connected to the antenna. In this way, by using a flexible circuit board to realize the electrical connection between the antenna and the main circuit board, compared with the related art in which a spring sheet is directly arranged on the main circuit board, the embodiment of the present application can reduce the setting of the reinforcement structure, thereby increasing the occupied space of the speaker assembly. At the same time, the signal transmission of the antenna and the signal transmission of the button assembly are realized through the flexible circuit board, or the signal transmission of the antenna and the signal transmission of the speaker assembly are realized, thereby improving the space utilization. Therefore, the embodiment of the present application can improve the stacking effect of the functional components of the electronic device.

[0007] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0009] Figure 1 It is one of the exploded diagrams of the electronic device provided in the embodiment of the present application;

[0010] Figure 2 This is the second exploded view of the electronic device provided in the embodiment of the present application;

[0011] Figure 3 This is the third exploded view of the electronic device provided in the embodiment of the present application;

[0012] Figure 4 This is the fourth exploded diagram of the electronic device provided in the embodiment of the present application;

[0013] Figure 5 This is one of the structural schematic diagrams of the flexible circuit board in the electronic device provided in the embodiment of the present application;

[0014] Figure 6 It is one of the partial structural diagrams of the electronic device provided in the embodiment of the present application;

[0015] Figure 7 This is the fifth exploded view of the electronic device provided in the embodiment of the present application;

[0016] Figure 8 This is the sixth exploded view of the electronic device provided in the embodiment of the present application;

[0017] Fig. 9 This is the second partial structural diagram of the electronic device provided in the embodiment of the present application;

[0018] Fig.10 This is the third partial structural diagram of the electronic device provided in the embodiment of the present application;

[0019] Fig.11 This is the fourth partial structural diagram of the electronic device provided in the embodiment of the present application;

[0020] Fig.12 This is the fifth partial structural diagram of the electronic device provided in the embodiment of the present application;

[0021] Fig.13 This is the sixth partial structural diagram of the electronic device provided in the embodiment of the present application;

[0022] Fig.14 This is the seventh exploded diagram of the electronic device provided in the embodiment of the present application;

[0023] Fig.15 This is the seventh partial structural diagram of the electronic device provided in the embodiment of the present application;

[0024] Fig.16 This is the eighth partial structural diagram of the electronic device provided in the embodiment of the present application;

[0025] Fig.17 This is a ninth partial structural diagram of an electronic device provided in an embodiment of the present application;

[0026] Fig.18 This is the tenth schematic diagram of the partial structure of the electronic device provided in the embodiment of the present application;

[0027] Fig.19 This is the eleventh partial structural diagram of the electronic device provided in the embodiment of the present application.

[0028] Marking description: frame 10, antenna 11, button assembly 12, button 121, button plunger 122, anti-drop button bracket 123, first circuit board bracket 124, third support plate 13, fourth receiving groove 131, first elastic buckle 1311, second elastic buckle 1312, speaker assembly 20, sound device 21, first shell 22, first support plate 221, first receiving groove 2211, second support plate 222, second receiving groove 2221, third receiving groove 2222, glue injection hole 2223, hot melt column 2224, second positioning column 2225, second shell 23, first positioning column 231, steel mesh 24, flexible circuit board 30, main body 31, positioning hole 311, first branch 32, pot piece 321, second branch 33, antenna shrapnel 331, main circuit board 40, second circuit board bracket 50. DETAILED DESCRIPTION

[0029] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and should not be construed as limitations on the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present application.

[0030] The term "first" or "second" in the specification and claims of this application may include one or more of the features explicitly or implicitly. In the description of this application, unless otherwise specified, "plurality" means two or more. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / " generally means that the objects connected before and after are in an "or" relationship.

[0031] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0032] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0033] like Figures 1 to 19 As shown, an embodiment of the present application provides an electronic device, comprising: a frame 10, the frame encloses a receiving cavity, a speaker assembly 20 and a flexible circuit board 30 are arranged in the receiving cavity, and an antenna 11 and a button assembly 12 are arranged on the frame 10; wherein,

[0034] The flexible circuit board 30 includes a main body 31, a first branch 32 and a second branch 33. The main body 31 is electrically connected to the main circuit board 40 of the electronic device, the first branch 32 is electrically connected to the speaker assembly 20 or the first branch 32 is connected to the button assembly 12, and the second branch 33 is electrically connected to the antenna 11.

[0035] In the embodiment of the present application, the antenna 11 may be a metal structure of the side frame of the frame 10. The button assembly 12 may be a side button disposed on the side frame of the frame 10. In some embodiments, the antenna 11 and the button assembly 12 may be disposed on adjacent side frames of the frame 10.

[0036] Optionally, in some embodiments, the first branch 32 is electrically connected to the speaker assembly 20. In this way, the speaker assembly 20 and the antenna 11 can be electrically connected to the main circuit board 40 through a flexible circuit board 30, thereby improving space utilization. At the same time, in the related art, a communication circuit for the speaker assembly 20 is usually set on the left side. In the embodiment of the present application, the space on the left side of the speaker assembly 20 can be released, so that the released space can be used to compensate for the speaker assembly 20, increase the volume of the speaker assembly 20, and then improve the performance of the speaker assembly 20.

[0037] Optionally, in some embodiments, the first branch 32 is electrically connected to the key assembly 12. In this way, the signal transmission from the key assembly 12 to the main circuit board 40 and the signal transmission from the antenna 11 to the main circuit board 40 can be realized through a flexible circuit board 30, thereby improving space utilization.

[0038] Optionally, the frame body 10 may be understood as a middle frame structure of an electronic device, and components such as a speaker assembly 20 and a main circuit board 40 of the electronic device may be assembled on the frame body 10 .

[0039] Optionally, the speaker assembly 20 may be understood as a functional device such as a speaker of an electronic device for realizing an audio playback function of the electronic device, and the speaker assembly 20 may be stacked on the frame 10 .

[0040] It should be noted that the above-mentioned antenna can be understood as an antenna used for communication, for example, it can be a communication antenna for realizing Bluetooth function, or a communication antenna for realizing communication with a base station, or a communication antenna for WiFi communication, and no further limitation is made here.

[0041] In the embodiment of the present application, the electronic device includes: a frame 10, the frame is enclosed to form a receiving cavity, the receiving cavity is provided with a speaker assembly 20 and a flexible circuit board 30, and the frame 10 is provided with an antenna 11 and a key assembly 12; wherein the flexible circuit board 30 includes a main body 31, a first branch 32 and a second branch 33, the main body 31 is electrically connected to the main circuit board 40 of the electronic device, the first branch 32 is electrically connected to the speaker assembly 20 or the first branch 32 is connected to the key assembly 12, and the second branch 33 is electrically connected to the antenna 11. In this way, by using the flexible circuit board 30 to realize the electrical connection between the antenna 11 and the main circuit board, compared with the related art in which the shrapnel is directly arranged on the main circuit board 40, the embodiment of the present application can reduce the arrangement of the reinforcement structure, thereby increasing the occupied space of the speaker assembly 20. At the same time, the signal transmission of the antenna 11 and the key assembly 12 is realized through the flexible circuit board 30, or the signal transmission of the antenna 11 and the speaker assembly 20 is realized, thereby improving the space utilization. Therefore, the embodiments of the present application can improve the stacking effect of functional components of electronic devices.

[0042] Optionally, in some embodiments, an antenna shrapnel 331 and an antenna matching circuit are provided on the second branch 33, the antenna shrapnel 331 is electrically connected to the antenna 11, and the antenna shrapnel 331 is electrically connected to the main circuit board 40 through the antenna matching circuit and the main body 31.

[0043] In the embodiment of the present application, the antenna matching circuit may include metal traces and functional components for realizing the antenna function of the electronic device, for example, components such as resistors, capacitors, switches, and power amplifiers.

[0044] Alternatively, if Figures 1 to 11 As shown, in some embodiments, the speaker assembly 20 includes a sound device 21, a first shell 22 and a second shell 23, wherein the flexible circuit board 30 is arranged on the first shell 22, and the main body 31 is partially located outside the first shell 22, the second shell 23 is located on the side of the first branch 32 away from the first shell 22, and the second shell 23 and the first shell 22 clamp the first branch 32, and the first shell 22 and the second shell 23 cooperate to form a receiving cavity for receiving the sound device 21;

[0045] The sound-generating device 21 is electrically connected to the first branch 32 .

[0046] In the embodiment of the present application, the first shell 22 can be called an upper shell, the second shell 23 can be called a lower shell, the first shell 22 can be recessed to form a receiving portion, the second shell 23 can be fixedly connected to the first shell 22, and the position of the second shell 23 corresponding to the receiving portion can form a fixing portion for clamping and fixing the sound-generating device 21, so that the first shell 22 and the second shell 23 can cooperate to form a receiving cavity for accommodating the sound-generating device 21, that is, the cavity enclosed by the receiving portion and the fixing portion is the receiving cavity. Since the two first shells 22 and the second shell 23 are assembled to form the receiving cavity for accommodating the sound-generating device 21, it is convenient for installation.

[0047] Optionally, in some embodiments, the second shell 23 is a hollow shell, and a steel mesh 24 may be further provided, and the steel mesh 24 is provided on the side of the sound-generating device 21 away from the first shell 22. This can prevent the powder particles from entering the sound-generating device 21 and affecting the performance of the sound-generating device 21.

[0048] It should be understood that in the embodiment of the present application, a flexible circuit board can be separately provided for the key assembly 12 and electrically connected to the main circuit board 40 .

[0049] Optionally, in some embodiments, the electronic device further includes a second circuit board bracket 50, which can be detachably connected to the frame 10, and the second circuit board bracket 50 can press and fix the main circuit board 40 and the main body 31, thereby further ensuring the stability of the electrical connection between the main circuit board 40 and the main body 31.

[0050] Optionally, in some embodiments, a first support plate 221 is provided on the first side of the first shell 22, a second support plate 222 is provided on the second side of the first shell 22, the first side and the second side are adjacent sides of the first shell, a first receiving groove 2211 is provided on the first support plate 221, a second receiving groove 2221 and a third receiving groove 2222 are provided on the second support plate 222, wherein the first receiving groove 2211 is communicated with the receiving cavity, the second receiving groove 2221 is communicated with the first receiving groove 2211 and the third receiving groove 2222 respectively, and the second receiving groove 2221 forms an opening on a side of the second support plate 222 away from the receiving cavity;

[0051] Part of the first branch 32 is disposed in the first receiving groove 2211 , the second branch 33 is disposed in the third receiving groove 2222 , a part of the main body 31 is disposed in the second receiving groove 2221 , and the other part passes through the opening and is located outside the first shell 22 .

[0052] In the embodiment of the present application, since the first support plate 221 and the second support plate 222 are extended outside the first shell 22 , the flexible circuit board 30 can be conveniently arranged.

[0053] It should be noted that in order to achieve electrical connection between the main body 31 and the second branch 33, and to connect along the shortest route to facilitate the ultimate stacking of the whole machine, an opening can be set at the position of the second receiving groove 2221 corresponding to the third receiving groove 2222, and the second receiving groove 2221 and the third receiving groove 2222 can be connected by using the opening.

[0054] Optionally, an L-shaped notch is formed at the connection between the second support plate 222 and the first support plate 221 on one side away from the third receiving groove 2222, for avoiding and installing the main circuit board 40, and the main body 31 can be connected to the main circuit board 40 at the L-shaped notch. For example, in some embodiments, the main circuit board 40 and the main body 31 can be electrically connected through a board-to-board (Board-to-Board) BTB connector, wherein a BTB seat can be provided on the main circuit board 40, and a BTB port is provided on the main body 31.

[0055] Optionally, in some embodiments, the main body 31 is bent at the opening, and a portion of the main body 31 is located on a side of the second shell 23 facing away from the first shell 22 .

[0056] In the embodiment of the present application, the main body 31 is bent at the opening and partially fitted onto the second shell 23 , so that the BTB port on the main body 31 is conveniently connected to the BTB socket of the main circuit board 40 , while improving the stacking effect of the flexible circuit board 30 .

[0057] Optionally, a covering portion is formed at a position of the second housing 23 corresponding to the second receiving groove 2221 of the second support plate 222, for covering the second receiving groove 2221, and the shape of the covering portion is consistent with the shape of the second support plate 222 except for the third receiving groove 2222. In some embodiments, in order to reduce the space occupied by the folded portion of the main circuit board 40 at the opening, the second support plate 222 and the covering portion are recessed at the opening toward the receiving cavity to form an avoidance gap, and the folded portion of the main circuit board 40 at the opening is located in the avoidance gap.

[0058] Optionally, in some embodiments, a first positioning column 231 is provided on a side of the second shell 23 facing away from the first shell 22 , and a positioning hole 311 is provided on the main body 31 . The main body 31 is sleeved on the first positioning column 231 through the positioning hole 311 .

[0059] In the embodiment of the present application, by providing the first positioning column 231 , the main body 31 can be sleeved on the first positioning column 231 using the positioning hole 311 during installation, thereby fixing the main body 31 and preventing the main body 31 from moving, thereby facilitating installation.

[0060] Optionally, in some embodiments, a glue injection hole 2223 is provided on a side of the second support plate 222 facing away from the second shell body 23 , and the glue injection hole 2223 is communicated with the second receiving groove 2221 .

[0061] In the embodiment of the present application, the number of the above-mentioned glue injection holes 2223 can be set according to actual needs. For example, in some embodiments, it can be set in the form of double glue injection holes. For example, one glue injection hole corresponds to the opening of the second support plate 222 away from the receiving cavity, and the other glue injection hole corresponds to the opening of the second receiving groove 2221 for connecting to the third receiving groove 2222. In this way, by setting the glue injection holes 2223, after the sealing and fixing of the second shell 23 and the first shell 22 are completed, the opening of the second receiving groove 2221 connected to the outside can be sealed by dispensing glue.

[0062] Optionally, in some embodiments, at least two hot melt columns 2224 are disposed in the third receiving groove 2222 , and the second branch 33 is positioned and fixed by the hot melt columns 2224 .

[0063] In this embodiment, the hot melt column 2224 can not only realize the positioning of the second branch 33; moreover, when the second branch 33 is assembled to the third receiving groove 2222, the hot melt column 2224 can also be melted by hot melting to improve the stability of the connection between the second branch 33 and the third receiving groove 2222.

[0064] In some embodiments, ultrasonic hot melting may be used to melt the hot melting column 2224 to enhance the stability of the connection between the second branch 33 and the third receiving groove 2222 .

[0065] In some embodiments, a plurality of hot melt columns 2224 may be disposed in the third receiving groove 2222 to improve the assembly accuracy of the second branch 33 in the third receiving groove 2222 and improve the stability of the connection between the second branch 33 and the third receiving groove 2222 .

[0066] For example, in some embodiments, three heat-melting columns 2224 may be disposed in the third receiving groove 2222 , and the three heat-melting columns 2224 may be evenly distributed at the bottom of the third receiving groove 2222 .

[0067] Optionally, in some embodiments, a second positioning column 2225 may be provided in the third receiving groove 2222, and the second positioning column 2225 may cooperate with the hot melt column 2224 to realize the positioning of the second branch 33. At the same time, by setting the height of the second positioning column 2225, a supporting effect may be played to prevent the antenna shrapnel 331 from being over-pressed, and the pre-pressing amount of the antenna shrapnel 331 contact may be controlled, so as to play a protective role and extend the service life of the antenna shrapnel 331. At the same time, the related components of the antenna matching circuit may be prevented from being crushed.

[0068] In order to better understand the structure of the present application, the installation process of an electronic device provided in an embodiment of the present application is described below.

[0069] First, the sound device 21 is installed in the first housing 22, and then the sound device 21 and the first housing 22 are fixed by glue dispensing. Figure 4 shown.

[0070] Then, the flexible circuit board 30 is mounted on the first housing 22 and fixed by double-sided adhesive, and the first branch is electrically connected to the sound device 21, as shown in FIG. Figure 6 or Figure 7 shown.

[0071] Next, the steel mesh is buckled onto the sound-generating device 21, and the second housing 23 is installed and fixed onto the first housing 22, and then ultrasonic welding is performed to achieve a fixed seal between the first housing 22 and the second housing 23. The second housing 23 can abut against the fixed steel mesh, as shown in FIG. Figure 8 shown.

[0072] Secondly, the main body of the flexible circuit board 30 is turned over at the opening and mounted on the first positioning column 231 of the second shell 23 to form a complete BOX cavity. Fig.11 shown.

[0073] Finally, the entire BOX cavity is mounted on the frame 10 , and the BTB port on the main body 31 is connected to the BTB socket of the main circuit board 40 .

[0074] Alternatively, if Figures 12 to 19 As shown, in some embodiments, a pot 321 and a key circuit are provided on the first branch 32, the pot 321 is connected to the key assembly 12, and the pot 321 is electrically connected to the main circuit board 40 through the key circuit and the main body 31.

[0075] In the embodiment of the present application, the button assembly 12 is arranged corresponding to the pot part 321, and the button assembly 12 can change the state of the pot part 321, and the button detection function can be realized by detecting the state of the pot part 321.

[0076] It should be understood that by using the two-in-one design of the flexible circuit board 30, the signal of the key component and the signal of the antenna are simultaneously transmitted to the main circuit board 40. Compared with the main circuit board 40 in which the spring sheet is directly connected to the antenna and the key circuit is arranged to realize the signal transmission of the key component, the superposition of the key circuits can be avoided and a certain space can be released in the thickness direction of the electronic device to further increase the occupied space of the sound device 21, such as increasing the volume of the sound cavity of the sound device 21, thereby achieving the purpose of improving the stacking effect of the functional components of the electronic device.

[0077] Optionally, in some embodiments, the button assembly 12 includes a button 121, a button plunger 122, an anti-drop button bracket 123 and a first circuit board bracket 124;

[0078] Among them, the button 121 can be understood as an external physical button of the button assembly 12; the button plunger 122 is used to achieve waterproof sealing of the button assembly 12; the anti-drop button bracket 123 is used to prevent the button 121 from falling out; the first circuit board bracket 124 is used to fix the first branch 32 to the frame 10, and can also play a limiting role.

[0079] In some embodiments, the button assembly 12 may be a volume button of an electronic device or a power button of an electronic device, which is not further limited herein.

[0080] Optionally, in some embodiments, a third support plate 13 is disposed in the frame body 10 , the third support plate 13 is provided with a fourth receiving groove 131 , and the second branch 33 is disposed in the fourth receiving groove 131 .

[0081] In the embodiment of the present application, the antenna 11 and the button assembly 12 may be arranged on adjacent side frames of the frame 10, for example, the antenna 11 is arranged on the first side frame of the frame 10, and the button assembly 12 is arranged on the second side frame of the frame 10. The third support plate 13 is formed by extending the side frame of the frame 10 inwardly, such as the third support plate 13 is integrally formed with the first side frame of the frame 10 and the second side frame of the frame 10.

[0082] Optionally, the third support plate 13 may include a first portion and a second portion arranged in a stepped manner, wherein the first portion is provided with the fourth receiving groove 131 and the second portion is used to install the main circuit board 40, and the vertical distance of the first portion relative to the screen of the electronic device is smaller than the vertical distance of the second portion relative to the screen of the electronic device. In this way, a certain avoidance space can be provided to the speaker assembly, and the speaker assembly 20 can be partially arranged on the third support plate 13, thereby appropriately increasing the volume of the sound device 21 and improving the sound effect of the sound device 21.

[0083] Optionally, in some embodiments, the fourth receiving groove 131 is provided with a first elastic clip 1311 and a second elastic clip 1312, the second branch 33 is located in the first elastic clip 1311 and the second elastic clip 1312, and the first elastic clip 1311 and the second elastic clip 1312 cooperate to pre-fix the second branch 33.

[0084] In the embodiment of the present application, the first elastic buckle 1311 is arranged near the second side frame of the frame 10, and the first elastic buckle 1311 can be specifically arranged as an arc-shaped elastic member. The second elastic buckle 1312 can be arranged on the side of the third support plate 13 away from the second side frame of the frame 10, and the buckle position of the second elastic buckle 1312 faces the first elastic buckle. The speaker assembly 20 can be provided with an opening, through which the second elastic buckle 1312 passes, and is fixedly engaged with the second elastic buckle 1312, so that the second branch and the main body can be pre-pressed and fixed by the speaker assembly 20.

[0085] It should be noted that, in order to prevent the antenna spring piece 331 from being crushed, a plurality of supporting positions may be provided in the fourth receiving groove 131 for supporting the speaker assembly 20. In this way, the risk of the antenna spring piece 331 being crushed can be reduced.

[0086] It should be understood that in the embodiment of the present application, a communication circuit for the speaker assembly 20 can be separately provided on the left side of the speaker assembly 20, and can be specifically implemented by using a flexible printed circuit board structure.

[0087] In some embodiments, the electronic device may be a mobile phone, a tablet computer, a laptop computer, a PDA, a vehicle-mounted electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook, or a personal digital assistant (PDA).

[0088] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0089] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. An electronic device, characterized in that: It comprises a frame, the frame encloses a receiving cavity, a speaker assembly and a flexible circuit board are arranged in the receiving cavity, and an antenna and a button assembly are arranged on the frame; wherein, The flexible circuit board includes a main body, a first branch and a second branch. The main body is electrically connected to the main circuit board of the electronic device, the first branch is electrically connected to the speaker assembly or the first branch is connected to the button assembly, and the second branch is electrically connected to the antenna.

2. The electronic device according to claim 1, characterized in that: The second branch is provided with an antenna spring and an antenna matching circuit, the antenna spring is electrically connected to the antenna, and the antenna spring is electrically connected to the main circuit board through the antenna matching circuit and the main body.

3. The electronic device according to claim 2, characterized in that: The speaker assembly includes a sound-generating device, a first shell and a second shell, wherein the flexible circuit board is arranged on the first shell, and the main body is partially located outside the first shell, the second shell is located on the side of the first branch away from the first shell, and the second shell and the first shell clamp the first branch, and the first shell and the second shell cooperate to form a receiving cavity for receiving the sound-generating device; Wherein, the sound-generating device is electrically connected to the first branch.

4. The electronic device according to claim 3, characterized in that: A first support plate is provided on a first side of the first shell, and a second support plate is provided on a second side of the first shell, the first side and the second side are adjacent sides of the first shell, a first receiving groove is provided on the first support plate, and a second receiving groove and a third receiving groove are provided on the second support plate, wherein the first receiving groove is communicated with the receiving cavity, the second receiving groove is communicated with the first receiving groove and the third receiving groove respectively, and the second receiving groove forms an opening on a side of the second support plate away from the receiving cavity; The first branch is partially disposed in the first receiving groove, the second branch is disposed in the third receiving groove, a portion of the main body is disposed in the second receiving groove, and the other portion passes through the opening and is located outside the first shell.

5. The electronic device according to claim 4, characterized in that: The main body is bent at the opening, and a portion of the main body is located at a side of the second shell facing away from the first shell.

6. The electronic device according to claim 5, characterized in that: A first positioning column is provided on a side of the second shell facing away from the first shell, and a positioning hole is provided on the main body. The main body is sleeved on the first positioning column through the positioning hole.

7. The electronic device according to claim 4, characterized in that: A glue injection hole is provided on a side of the second support plate facing away from the second shell, and the glue injection hole is communicated with the second receiving groove.

8. The electronic device according to any one of claims 4 to 7, characterized in that: At least two hot melt columns are arranged in the third receiving groove, and the second branch is positioned and fixed by the hot melt columns.

9. The electronic device according to claim 2, characterized in that: The first branch is provided with a pot and a key circuit, the pot is connected to the key assembly, and the pot is electrically connected to the main circuit board through the key circuit and the main body.

10. The electronic device according to claim 9, characterized in that: A third support plate is disposed in the frame, a fourth receiving groove is disposed in the third support plate, and the second branch is disposed in the fourth receiving groove.

11. The electronic device according to claim 10, characterized in that: The fourth receiving groove is provided with a first elastic buckle and a second elastic buckle, the second branch is located at the first elastic buckle and the second elastic buckle, and the first elastic buckle and the second elastic buckle cooperate to pre-fix the second branch.

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