Electronic equipment

Abstract

The utility model relates to an electronic device which comprises a middle frame body, a screen assembly, a rear shell assembly and a first circuit board, the screen assembly and a rear shell cover plate are arranged on the first side and the second side of the middle frame body respectively, the rear shell cover plate is detachably connected with the middle frame body, and the rear shell cover plate is connected with the second part of the middle frame body in a spliced mode. The first circuit board is arranged on the second side of the middle frame main body, and the first circuit board is installed between the middle frame main body and the rear shell cover plate. The first circuit board is arranged between the middle frame main body and the rear shell cover plate, and the rear shell cover plate is detachably arranged on the side, deviating from the screen assembly, of the middle frame main body, so that when the first circuit board goes wrong, the first circuit board can be maintained and replaced under the condition that the screen assembly does not need to be disassembled, and the maintenance cost is reduced. After-sales maintenance is simple, and cost is low; and moreover, the second part of the middle frame main body is spliced and connected with the rear shell cover plate to form the whole back surface of the electronic equipment, so that the appearance of the electronic equipment presents a splicing effect, and the attractiveness is improved.

Description

Technical Field

[0001] The present disclosure relates to the technical field of electronic devices, and in particular to an electronic device. Background Art

[0002] With the continuous upgrading of electronic products, consumers not only consider the performance of electronic products when choosing electronic products, but also pay more and more attention to the appearance of electronic devices.

[0003] At present, the appearance design of electronic devices, such as mobile phones, is becoming increasingly homogenized, with no distinct design highlights, insufficient product appearance differentiation and expressiveness, and the appearance design of mobile phones has become an important consideration for consumers when purchasing mobile phones.

[0004] While designing the differentiated appearance, it will affect the layout and stacking design of the electronic components inside the electronic device. When the layout of the electronic components is unreasonable, once the electronic device has problems during use and requires after-sales inspection and repair, it will not only seriously affect the after-sales cost, but also cause inconvenience to the after-sales personnel. Utility Model Content

[0005] In order to overcome the problems existing in the related art, the present disclosure provides an electronic device.

[0006] According to an embodiment of the present disclosure, there is provided an electronic device, including:

[0007] A middle frame body having a first side and a second side that are opposite to each other;

[0008] A screen assembly is arranged on the first side of the middle frame body;

[0009] A rear shell cover plate is detachably disposed on the second side of the middle frame body, the rear shell cover plate covers the first part of the middle frame body, and the second part of the middle frame body is spliced ​​and connected to the rear shell cover plate;

[0010] The first circuit board is arranged on the second side of the middle frame body, and the first circuit board is installed between the middle frame body and the rear shell cover.

[0011] In some embodiments, the electronic device also includes a second circuit board, which is arranged on the first side of the middle frame body and installed between the screen assembly and the middle frame body, and the second circuit board is arranged in the second part of the middle frame body.

[0012] In some embodiments, the electronic device further includes a battery, and the battery is disposed in the first portion of the middle frame body.

[0013] In some embodiments, the battery is disposed on the first side of the middle frame body and installed between the screen assembly and the middle frame body.

[0014] In some embodiments, the middle frame body is provided with a first installation area and a second installation area, a spacing rib is provided between the first installation area and the second installation area, the first installation area is used to install the battery, and the second installation area is used to install the second circuit board.

[0015] In some embodiments, the electronic device includes a sound-emitting unit, and the sound-emitting unit is disposed on the second side of the middle frame body;

[0016] The middle frame body is provided with a through hole penetrating the middle frame body along the thickness direction of the electronic device, and the through hole connects the first side of the middle frame body with the area where the sound generating unit is located.

[0017] In some embodiments, the first circuit board is provided with an avoidance groove, and the sound-emitting unit is installed in the avoidance groove.

[0018] In some embodiments, the screen assembly is bonded to the middle frame body through a first bonding layer;

[0019] The middle frame body, the screen assembly and the first adhesive layer together form a sound output channel of the sound unit.

[0020] In some embodiments, the first adhesive layer is provided with an avoidance area, and the projection of the sound-emitting unit on the middle frame body is located in the avoidance area;

[0021] Wherein, the first adhesive layer is configured as an adhesive strip extending along the edge of the middle frame body, and the avoidance area is formed by bending the adhesive strip multiple times.

[0022] In some embodiments, the screen assembly includes a protective cover plate and a display module, and the display module is bonded to the middle frame body through the first bonding layer;

[0023] The electronic device further includes a second adhesive layer, and the protection cover is adhesively connected to the middle frame body via the second adhesive layer.

[0024] In some embodiments, the middle frame body is configured as an integrated metal middle frame, and the rear shell cover is configured as a plastic cover, a silicone cover or a resin cover.

[0025] The technical solution provided by the embodiments of the present disclosure may include the following beneficial effects: the present disclosure arranges the first circuit board between the middle frame body and the rear shell cover, and detachably arranges the rear shell cover on the side of the middle frame body away from the screen assembly. When a problem occurs with the first circuit board, the first circuit board can be repaired or replaced without disassembling the screen assembly, and the after-sales maintenance is simple and low-cost. In addition, the second part of the middle frame body is spliced ​​and connected to the rear shell cover to form the entire back side of the electronic device, so that the appearance of the electronic device presents a splicing effect, thereby improving the aesthetics.

[0026] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the present disclosure.

[0028] Figure 1 It is a cross-sectional view of an electronic device in the related art.

[0029] Figure 2 is a schematic diagram of an electronic device according to an exemplary embodiment of the present disclosure.

[0030] Figure 3 is a schematic diagram of an electronic device according to an exemplary embodiment of the present disclosure.

[0031] Figure 4 is an exploded view of an electronic device according to an exemplary embodiment of the present disclosure.

[0032] Figure 5 yes Figure 2 Cross-sectional view along the AA direction.

[0033] Figure 6 It is a partial schematic diagram of an electronic device according to an exemplary embodiment of the present disclosure. DETAILED DESCRIPTION

[0034] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices and methods consistent with some aspects of the present disclosure as detailed in the appended claims.

[0035] At present, the appearance design of electronic devices, such as mobile phones, is becoming more and more homogeneous, without distinct design highlights, and lacking product appearance differentiation and expression. The appearance design of mobile phones has become an important consideration for consumers when purchasing mobile phones. While designing the appearance differentiation, it will affect the layout and stacking design of the electronic devices inside the electronic devices. When the layout of electronic devices is unreasonable, once the electronic devices have problems during use, after-sales inspection and repair are required, which not only seriously affects the after-sales cost, but also causes inconvenience to the after-sales personnel.

[0036] For example, reference Figure 1 , shows a cross section of an electronic device with a spliced ​​rear shell in the related art. During the assembly process, all electronic components of the electronic device need to be loaded into the middle frame 10' from one side of the screen assembly 20'. Accordingly, when any component in the electronic device is damaged and needs to be repaired, the screen assembly 20' needs to be disassembled first. The screen assembly 20' may be damaged during the disassembly process, resulting in high repair costs, and after the damaged components are repaired, operations such as glue dispensing are required when assembling the screen assembly 20', which not only takes a long time, but the glue dispensing operation has high operating requirements for maintenance personnel, resulting in high repair costs and cumbersome processes.

[0037] In addition, refer to Figure 1 The screen assembly 20' includes a protective cover plate 21' and a display module 22'. To prevent the display module 22' from being squeezed when the middle frame 10' is deformed due to collision, a gap d3 = 0.45 mm is provided between the display module 22' and the inner wall of the first support wall 16' of the middle frame.

[0038] refer to Figure 1 The protective cover plate 21' is connected to the first supporting wall 16' of the middle frame 10' through the second adhesive layer 80'. In particular, since the motherboard 40' of the electronic device needs to be arranged on the side away from the rear shell, specifically between the display module 22' and the middle frame 10', the display module 22' cannot form a reliable connection with the middle frame 10'. In the process of assembling the screen assembly 20', in order to improve the thickness direction of the screen assembly 20' of the electronic device ( Figure 2 In order to ensure the installation accuracy in the z direction (as shown in the figure), it is necessary to form a positioning protrusion (not shown in the figure, with a width of about 0.2 mm) on the top surface of the first support wall 16', and achieve positioning in the z direction through the positioning protrusion. However, the positioning protrusion will cause the width d2 of the first support wall 16' to be larger (for example, d2 = 0.7 mm).

[0039] refer to Figure 1A second supporting wall 17' is further provided on the middle frame 10'. The first supporting wall 16' and the second supporting wall 17' enclose a sound outlet channel 72'. In order to prevent the glue on the top surface of the first supporting wall 16' from overflowing into the sound outlet channel 72' and affecting the aesthetics, it is necessary to set the protective cover to protrude from the outer wall of the first supporting wall 16', and the protruding dimension d1 is about 0.3mm.

[0040] In summary, the size of the black border on the top of the electronic device in the related art is d1+d2+d3=1.45mm, and the black border size is large, resulting in a low screen-to-body ratio, which reduces the exquisiteness of the appearance. It should be noted here that the above values ​​are only used to illustrate the technical solution, and the comparison of values ​​in the following text to reflect the beneficial effects of the present disclosure does not constitute a limitation on the technical content.

[0041] In order to solve the problems existing in the related art, an embodiment of the present disclosure provides an electronic device, which includes a middle frame body, a screen assembly, a rear shell assembly and a first circuit board. The screen assembly and the rear shell cover are respectively arranged on the first side and the second side of the middle frame body, the rear shell cover is detachably connected to the middle frame body, and the rear shell cover is spliced ​​and connected to the second part of the middle frame body, the first circuit board is arranged on the second side of the middle frame body, and the first circuit board is installed between the middle frame body and the rear shell cover. The present disclosure arranges the first circuit board between the middle frame body and the rear shell cover, and detachably arranges the rear shell cover on the side of the middle frame body away from the screen assembly. When a problem occurs with the first circuit board, the first circuit board can be repaired and replaced without disassembling the screen assembly, and the after-sales maintenance is simple and low in cost. In addition, the second part of the middle frame body is spliced ​​and connected to the rear shell cover to form the entire back of the electronic device, so that the appearance of the electronic device presents a splicing effect, which improves the aesthetics.

[0042] According to an exemplary embodiment of the present disclosure, Figures 2 to 5 As shown, an embodiment of the present disclosure provides an electronic device 100, such as a smart phone, a tablet computer, a laptop computer, a wearable device, etc.

[0043] like Figures 2 to 5 As shown, the electronic device 100 includes a middle frame body 10, which serves as the frame of the electronic device 100 and has the functions of supporting, installing, and protecting other components of the electronic device 100. The middle frame body 10 can be made of a metal material or an alloy, such as an aluminum alloy, a titanium alloy, etc. The gloss and touch of the metal can enhance the exquisiteness of the electronic device 100. In some optional embodiments, the middle frame body 10 can also be made of plastic or a composite material (fiber).

[0044] refer to Figure 4 and Figure 5 , along the thickness direction of the electronic device 100 ( Figure 2 In the z direction shown in FIG. 1 , the middle frame body 10 has a first side and a second side that are separated from each other. Figure 5 Taking the orientation shown in FIG. 1 as an example, the upper side of the middle frame body 10 is the first side of the middle frame body 10 , and the lower side of the middle frame body 10 is the second side of the middle frame body 10 .

[0045] Continue to refer Figure 4 and Figure 5 , a screen assembly 20 is disposed on the first side of the middle frame body 10, and the screen assembly 20 has the function of displaying image information, and the screen assembly 20 can be bonded and connected to the middle frame body 10 by means of adhesive (a first bonding layer 71 and a second bonding layer 80, which will be described in detail later). The screen assembly 20 can be a liquid crystal display, an organic light-emitting diode (OLED) display, an active-matrix organic light-emitting diode or an active-matrix organic light-emitting diode (AMOLED) display, a mini organic light-emitting diode (mini organic light-emitting diode) display, etc.

[0046] Continue to refer Figure 3 , Figure 4 and Figure 5 The second side of the middle frame body 10 is provided with a rear cover plate 30, which is detachably provided on the second side of the middle frame body 10. The rear cover plate 30 and the middle frame body 10 can be detachably connected by a snap connection. The rear cover plate 30 covers the first part 11 of the middle frame body 10, and the second part 12 of the middle frame body 10 is spliced ​​and connected with the rear cover plate 30. Figure 2 It can be determined that the second portion 12 of the middle frame body 10 and the rear shell cover 30 are spliced ​​together to form the back side of the electronic device 100 .

[0047] According to the different layouts of components inside the electronic device 100, the positions of the first part and the second part of the middle frame body 10 can be set to form different splicing effects. Figure 4 and Figure 5 , and combined with Figure 2 , in the length direction of the electronic device 100 ( Figure 2In the embodiment of the present invention, the rear shell cover plate 30 extends from the top 100a of the electronic device 100 toward the bottom 100b, and the second part 12 of the middle frame body 10 extends from the bottom 100b of the electronic device 100 toward the top 100a, so that the rear shell cover plate 30 constitutes the upper part of the back of the electronic device 100, and the second part 12 of the middle frame body 10 constitutes the lower part of the back of the electronic device 100. In another example (not shown in the drawings), in the length direction of the electronic device, the rear shell cover plate extends from the bottom toward the top of the electronic device, and the second part of the middle frame body extends from the top toward the bottom of the electronic device, so that the rear shell cover plate constitutes the lower part of the back of the electronic device, and the second part of the middle frame body constitutes the upper part of the back of the electronic device. In another example (not shown in the drawings), in the length direction of the electronic device, the rear shell cover plate is arranged in the middle of the back of the electronic device, and the middle frame body has two second parts, and the two second parts are partially arranged at the top and the bottom of the back of the electronic device.

[0048] It should be noted that in the electronic device 100 provided in the present disclosure, the shape and size of the second portion 12 of the frame body 10 and the rear shell cover 30 are not excessively limited. Figure 1 and Figure 2 The shapes and sizes shown may also be other shapes (such as special shapes), which will not be described in detail.

[0049] refer to Figure 4 and Figure 5 , a first circuit board 40 is also provided on the second side of the middle frame body 10, and the first circuit board 40 is installed between the middle frame body 10 and the rear shell cover 30. The first circuit board 40 can be, for example, a main board, on which the main components of the electronic device 100 are integrated, such as Soc (System On Chip), audio chip, radio frequency module, etc. It can be understood that when water enters the interior of the electronic device 100, the main board or the electronic components on the main board are easily damaged, that is, the main board (first circuit board 40) is a device with a high maintenance frequency. In the embodiment of the present disclosure, by setting the first circuit board between the middle frame body and the rear shell cover, and detachably setting the rear shell cover on the side of the middle frame body away from the screen assembly, when there is a problem with the first circuit board, the first circuit board can be repaired and replaced without disassembling the screen assembly, and the after-sales maintenance is simple and low in cost; and the second part of the middle frame body is spliced ​​and connected with the rear shell cover to form the entire back of the electronic device, so that the appearance of the electronic device presents a splicing effect, which improves the aesthetics.

[0050] In an exemplary embodiment, Figure 4 and Figure 5As shown, an embodiment of the present disclosure provides an electronic device 100, which includes a middle frame body 10, a screen assembly 20, a rear shell assembly and a first circuit board 40. The screen assembly 20 and the rear shell cover 30 are respectively arranged on the first side and the second side of the middle frame body 10, the rear shell cover 30 is detachably connected to the middle frame body 10, and the rear shell cover 30 is spliced ​​and connected to the second part 12 of the middle frame body 10, the first circuit board 40 is arranged on the second side of the middle frame body 10, and the first circuit board 40 is installed between the middle frame body 10 and the rear shell cover 30.

[0051] In this embodiment, Figure 4 and Figure 5 As shown, the electronic device 100 further includes a second circuit board 50, which is disposed on a first side of the middle frame body 10 and installed between the screen assembly 20 and the middle frame body 10, along the thickness direction ( Figure 2 The second circuit board 50 is directly opposite to the second part 12 of the middle frame body 10 (in the z direction shown in FIG). The second circuit board 50 can be a circuit board with a low maintenance frequency. By arranging the second circuit board 50 between the screen assembly 20 and the middle frame body 10, when the rear shell cover 30 is disassembled to repair the first circuit board 40, the second circuit board 50 will not be exposed, thereby preventing the second circuit board 50 from being damaged during maintenance. In addition, since the second circuit board 50 is directly opposite to the second part 12 of the middle frame body 10, the back of the electronic device 100 has a splicing effect, which meets the consumer's demand for the appearance of the electronic device 100.

[0052] In one example, reference Figure 4 The second circuit board 50 can be a small board (also called a sub-board) in the electronic device 100. The small board is usually arranged at the bottom 100b of the electronic device 100. Components such as a microphone and a USB can be integrated on the small board. In addition, the second circuit board 50 can also be integrated with a chip for controlling the display effect.

[0053] Among them, Figure 4 and Figure 5 As shown, the electronic device 100 further includes a battery 60 , which is an energy storage device that provides power to other electronic components in the electronic device 100 .

[0054] In one example, reference Figure 4 and Figure 5 The battery 60 is disposed on the first side of the middle frame body 10 and installed between the screen assembly 20 and the middle frame body 10. In this arrangement, when the electronic device 100 is disassembled to repair the first circuit board 40, the battery 60 will not be exposed, thereby preventing the battery 60 from being damaged during the maintenance process.

[0055] Among them, reference Figure 4The middle frame body 10 is provided with a first installation area 13 and a second installation area 14 , and a spacing rib 15 is provided between the first installation area 13 and the second installation area 14 . The first installation area 13 is used to install the battery 60 , and the second installation area 14 is used to install the second circuit board 50 .

[0056] In another example (not shown in the drawings), the battery is arranged on the second side of the middle frame body and installed between the screen assembly and the rear shell cover. This arrangement facilitates maintenance of the battery without disassembling the screen assembly, reducing the difficulty of after-sales maintenance.

[0057] In an exemplary embodiment, Figure 4 and Figure 5 As shown, an embodiment of the present disclosure provides an electronic device 100, which includes a middle frame body 10, a screen assembly 20, a rear shell assembly and a first circuit board 40. The screen assembly 20 and the rear shell cover 30 are respectively arranged on the first side and the second side of the middle frame body 10, the rear shell cover 30 is detachably connected to the middle frame body 10, and the rear shell cover 30 is spliced ​​and connected to the second part 12 of the middle frame body 10, the first circuit board 40 is arranged on the second side of the middle frame body 10, and the first circuit board 40 is installed between the middle frame body 10 and the rear shell cover 30.

[0058] The electronic device 100 provided in this embodiment may include any structure, device, etc. of the electronic device 100 provided in the above-mentioned embodiments.

[0059] In some embodiments, Figure 4 As shown, the electronic device 100 also includes a second circuit board 50 and a battery 60. The second circuit board 50 is arranged on the first side of the middle frame body 10 and installed between the screen assembly 20 and the middle frame body 10. The battery 60 can be arranged on the first side of the middle frame body 10 and installed between the screen assembly 20 and the middle frame body 10, or can be arranged on the second side of the middle frame body 10 and installed between the rear shell cover 30 and the middle frame body 10.

[0060] like Figures 4 to 6 As shown, the electronic device 100 includes a sound unit 70, which is disposed on the second side of the electronic device 100 and installed between the middle frame body 10 and the rear shell cover 30. Figures 4 to 6 , and combined with Figure 1 , along the thickness direction of the electronic device 100 ( Figure 2 The middle frame body 10 is provided with a through hole 111 penetrating the middle frame body 10 , and the through hole 111 connects the first side of the middle frame body 10 with the area where the sound unit 70 is located.

[0061] Among them, Figure 4As shown, the first circuit board 40 is provided with an avoidance groove 41, and the sound unit 70 is arranged in the avoidance groove 41. The avoidance groove 41 can be formed by the side of the first circuit board 40 being recessed inwardly, and the inner contour of the avoidance groove 41 can be the same as that of the sound unit 70. Exemplarily, if the sound unit 70 is a rectangular parallelepiped, the avoidance groove 41 can be a rectangular groove.

[0062] Among them, Figures 4 to 6 As shown, the screen assembly 20 is bonded to the middle frame body 10 through the first adhesive layer 71. The middle frame body 10, the screen assembly 20 and the first adhesive layer 71 enclose a sound outlet channel 72 of the sound unit 70. By adopting such a sound outlet channel 72, there is no need to set a sound outlet channel 72 at the edge of the middle frame body 10. Figure 1 The d1 area shown, that is, the d1 area can be omitted, thereby reducing the black border of the screen and improving the front appearance of the electronic device.

[0063] Among them, reference Figure 4 and Figure 6 The first adhesive layer 71 is provided as an adhesive strip extending along the edge of the middle frame body 10. The first adhesive layer 71 is provided with an avoidance area 711. The avoidance area 711 is formed by bending the adhesive strip multiple times. The projection of the sound unit 70 on the middle frame body 10 is located in the avoidance area 711. For example, referring to Figure 6 The first adhesive layer 71 encloses a U-shaped avoidance area 711, and the avoidance area 711 has a first section and a second section that are parallel, and a third section that connects the first section and the second section. The sound emitted by the sound unit 70 enters the sound output channel 72 through the channel, and then diffuses in the direction away from the third section, and then reaches the earpiece outlet of the electronic device 100, and finally enters the human ear through the air.

[0064] In some embodiments, Figure 4 and Figure 5 As shown, the screen assembly 20 includes a protective cover plate 21 and a display module 22. The protective cover plate 21 is also called a CG (Cover Glass) cover plate or an outer screen glass. The protective cover plate 21 is located on the display side of the display module 22. The protective cover plate 21 is made of high-strength glass and has the function of protecting the display module 22. Figure 5 The side of the display module 22 that is away from the protective cover plate 21 is the non-display side, and the first adhesive layer 71 is disposed between the non-display side of the display module 22 and the middle frame body 10. Figure 5 The electronic device 100 further includes a second adhesive layer 80 , through which the protective cover 21 is bonded to the middle frame body 10 , and the second adhesive layer 80 may be glued.

[0065] In the present embodiment, since the first circuit board 40 is arranged between the middle frame body 10 and the rear shell cover 30, there is no longer a structure between the display module 22 and the middle frame body 10 that restricts the bonding of the two. That is, a first adhesive layer 71 can be arranged between the display module 22 and the middle frame body 10. The first adhesive layer 71 in the form of a strip can not only fix the display module 22, but also provide support and limitation for the display module 22 in the z direction, so that there is no need to set a positioning protrusion (with a size of about 0.2 mm) on the first support wall 16 of the middle frame body 10, and the size of the first support wall 16 can be reduced by 0.2 mm.

[0066] In one example, reference Figure 5 , and combined with Figure 1 In the related art, the size of the first support arm 16' is about 0.7mm. After omitting the positioning protrusion (the size is about 0.2mm), the width d4 of the first support wall 16 and the second adhesive layer 80 coated on the first support wall 16 can be reduced to 0.5mm. When the size difference d5 (d5=d3=0.45mm) between the protective cover 21 and the display module 22 remains unchanged, the black border size of the screen of the electronic device 100 provided in the embodiment of the present disclosure is about 0.95mm, which is 0.5mm less than the 1.45mm black border in the related art, which greatly improves the screen-to-body ratio, improves the appearance refinement of the electronic device 100 and thus improves the user experience.

[0067] In some embodiments, Figure 4 As shown, the middle frame body 10 is set to an integrated metal middle frame. The middle frame made of metal material has stronger structural strength, heat dissipation performance and exquisiteness. The rear shell cover 30 is set to any one of a plastic cover, a silicone cover or a resin cover. Materials such as plastic, silicone and resin have better grip and weight. After the rear shell cover 30 is spliced ​​with the middle frame body 10, the back of the electronic device is smooth. For example, a circular arc transition can be made at the connection position to avoid obvious splicing gaps and improve the touch. In the electronic device 100 provided in this embodiment, the rear shell cover 30 and the second part of the middle frame body 10 are exposed, and the first part of the middle frame body 10 is blocked by the rear shell cover 30. The rear shell cover 30 and the middle frame body 10 of different materials form a splicing effect, resulting in a differentiated appearance, which can bring consumers a new look and feel and enhance product competitiveness.

[0068] Taking the battery 60 disposed on the first side of the middle frame body 10 as an example, the assembly process of the electronic device 100 provided in the embodiment of the present disclosure may include the following steps:

[0069] refer to Figure 4First, the battery 60 is installed in the first installation area 13 of the middle frame body 10, and the second circuit board 50 is installed in the second installation area 14 of the middle frame body 10; then, the first adhesive layer 71 and the second adhesive layer 80 are set on the first side of the middle frame body 10, and the screen assembly 20 is bonded to the first side of the middle frame body 10; then, the first circuit board 40 is installed on the second side of the middle frame body 10, and the sound unit 70 is installed in the avoidance groove 41 of the first circuit board 40; finally, the rear shell cover 30 is installed on the second side of the middle frame body 10.

[0070] Taking the case where the battery 60 is disposed on the first side of the middle frame body 10 and the first circuit board 40 is damaged and needs to be repaired as an example, the repair process of the electronic device 100 provided in the embodiment of the present disclosure may include the following steps:

[0071] refer to Figure 4 , remove the rear shell cover 30 from the middle frame body 10 to expose the first circuit board 40, and then inspect, repair or replace the first circuit board 40.

[0072] Those skilled in the art will readily appreciate other embodiments of the present disclosure after considering the specification and practicing the embodiments disclosed herein. The present disclosure is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include common knowledge or customary techniques in the art that are not disclosed in the present disclosure. The description and examples are to be considered exemplary only, and the true scope and spirit of the present disclosure are indicated by the following claims.

[0073] It should be understood that the present disclosure is not limited to the exact structures that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. An electronic device, characterized in that: include: A middle frame body having a first side and a second side that are opposite to each other; A screen assembly is arranged on the first side of the middle frame body; A rear shell cover plate is detachably disposed on the second side of the middle frame body, the rear shell cover plate covers the first part of the middle frame body, and the second part of the middle frame body is spliced ​​and connected to the rear shell cover plate; The first circuit board is arranged on the second side of the middle frame body, and the first circuit board is installed between the middle frame body and the rear shell cover.

2. The electronic device according to claim 1, characterized in that: The electronic device also includes a second circuit board, which is arranged on the first side of the middle frame body and installed between the screen assembly and the middle frame body, and the second circuit board is arranged in a second part of the middle frame body.

3. The electronic device according to claim 2, characterized in that: The electronic device further includes a battery, and the battery is arranged in the first part of the middle frame body.

4. The electronic device according to claim 3, characterized in that: The battery is disposed on the first side of the middle frame body and installed between the screen assembly and the middle frame body.

5. The electronic device according to claim 4, characterized in that: The middle frame body is provided with a first installation area and a second installation area, a spacing rib is provided between the first installation area and the second installation area, the first installation area is used for installing the battery, and the second installation area is used for installing the second circuit board.

6. The electronic device according to any one of claims 1 to 5, characterized in that: The electronic device comprises a sound-emitting unit, and the sound-emitting unit is arranged on the second side of the middle frame body; The middle frame body is provided with a through hole penetrating the middle frame body along the thickness direction of the electronic device, and the through hole connects the first side of the middle frame body with the area where the sound generating unit is located.

7. The electronic device according to claim 6, characterized in that: The first circuit board is provided with an avoidance groove, and the sound generating unit is installed in the avoidance groove.

8. The electronic device according to claim 6, characterized in that: The screen assembly is bonded to the middle frame body via a first bonding layer; The middle frame body, the screen assembly and the first adhesive layer together form a sound output channel of the sound unit.

9. The electronic device according to claim 8, characterized in that: The first adhesive layer is provided with an avoidance area, and the projection of the sound-emitting unit on the middle frame body is located in the avoidance area; Wherein, the first adhesive layer is configured as an adhesive strip extending along the edge of the middle frame body, and the avoidance area is formed by bending the adhesive strip multiple times.

10. The electronic device according to claim 8, characterized in that: The screen assembly includes a protective cover plate and a display module, and the display module is bonded and connected to the middle frame body through the first bonding layer; The electronic device further includes a second adhesive layer, and the protection cover is adhesively connected to the middle frame body via the second adhesive layer.

11. The electronic device according to any one of claims 1 to 5, characterized in that: The middle frame body is configured as an integrated metal middle frame, and the rear shell cover is configured as a plastic cover, a silicone cover or a resin cover.

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