Electronic device

Abstract

The application discloses an electronic device, which comprises a middle frame, a circuit board, a motor and a limiting piece. The circuit board and the motor are arranged on the middle frame. The limiting piece comprises a gasket and a limiting part. The gasket is arranged on the side of the circuit board away from the middle frame. The limiting part is connected with at least one of the gasket and the middle frame. The motor is located between the middle frame and the limiting part. The motor is in limiting cooperation with the limiting part.

Description

Technical Field

[0001] This application belongs to the field of communication technology, specifically relating to an electronic device. Background Technology

[0002] With the advancement of technology and the development of electronic devices, smartphones, wearable devices, and other electronic devices have become indispensable products in modern life. To meet the needs of vibration and other driving functions of electronic devices, motors are usually attached to the mid-frame of the electronic device. When the motor is working, it can cause the entire electronic device to vibrate or push corresponding components to move.

[0003] However, when electronic devices are subjected to significant impact, the motor is prone to detaching from the frame, which affects the vibration and driving performance of the electronic devices. Therefore, the assembly reliability of the motor in electronic devices in related technologies is poor. Utility Model Content

[0004] The purpose of this application is to provide an electronic device that can solve the technical problem of poor assembly reliability of the motor in electronic devices.

[0005] To solve the above-mentioned technical problems, this application is implemented as follows:

[0006] This application discloses an electronic device, including a mid-frame, a circuit board, a motor, and a limiting member;

[0007] Both the circuit board and the motor are mounted on the middle frame;

[0008] The limiting component includes a gasket and a limiting part. The gasket is disposed on the side of the circuit board away from the middle frame. The limiting part is connected to at least one of the gasket and the middle frame. The motor is located between the middle frame and the limiting part, and the motor is limited and engaged with the limiting part.

[0009] In this embodiment, the limiting part is connected to at least one of the gasket and the middle frame. The motor is located between the middle frame and the limiting part, and the motor and the limiting part are in a limiting engagement. In this solution, the limiting part can assist in fixing the motor, thus avoiding the risk of the motor detaching from the middle frame, thereby ensuring the vibration or driving performance of the electronic device, and improving the assembly reliability between the motor and the middle frame, thus improving the assembly reliability of the motor of the electronic device. Attached Figure Description

[0010] Figure 1 It is a schematic diagram of the structure of an electronic device disclosed in the relevant technology;

[0011] Figure 2 This is a schematic diagram of the structure of the first electronic device disclosed in the embodiments of this application;

[0012] Figure 3 yes Figure 2 A sectional view;

[0013] Figure 4 This is a schematic diagram of the structure of the second electronic device disclosed in the embodiments of this application;

[0014] Figure 5 yes Figure 4 A sectional view;

[0015] Figure 6 and Figure 7 This is a schematic diagram of the structure of the limiting member in the second type of electronic device disclosed in the embodiments of this application;

[0016] Figure 8 This is a cross-sectional view of the third electronic device disclosed in the embodiments of this application;

[0017] Figures 9 to 12 This is a schematic diagram of the structure of the limiting member in the third electronic device disclosed in the embodiments of this application;

[0018] Figure 13 This is a cross-sectional view of the fourth electronic device disclosed in the embodiments of this application;

[0019] Figure 14 and Figure 15 This is a schematic diagram of the structure of the limiting member in the fourth electronic device disclosed in the embodiments of this application;

[0020] Figure 16 and Figure 17 This is a cross-sectional view of the fifth type of electronic device disclosed in the embodiments of this application;

[0021] Figure 18 and Figure 19 This is a schematic diagram of the structure of the limiting member in the fifth type of electronic device disclosed in the embodiments of this application.

[0022] Explanation of reference numerals in the attached figures:

[0023] 100-Middle frame, 101-First clearance notch, 102-Second clearance notch, 103-Accommodation groove, 104-Third clearance notch, 200-Circuit board, 300-Motor, 400-Limiting component, 410-Gasket, 411-First gasket, 4111-First plate body, 4112-First extension plate, 4112a-First fastening recess, 4113-First flange, 412-Second gasket, 4121-Second plate body, 4122-Second extension plate, 4122a-Second fastening part, 4123-Second flange, 420-Limiting part, 421-First limiting plate, 422-First connecting plate, 423-Second connecting plate, 424-Second limiting plate, 425-First snap-fit ​​part, 4251-First connecting arm, 4252-First 426-Second snap-fit ​​part, 4261-Second connecting arm, 4262-Second snap-fit ​​part, 427-First limiting part, 4271-First bending section, 4272-Second bending section, 428-Second limiting part, 4281-Third bending section, 4282-Fourth bending section, 4201-First end, 4202-Second end, 429-First substrate, 4210-Second substrate, 4211-Third substrate, 4212-Fourth substrate, 4213-Fifth substrate, 4214-First area, 4215-Second area, 4216-Third area, 500-Connecting screw, 510-First screw, 520-Second screw, 600-Flexible circuit board, 610-First electrical connector, 700-Fingerprint module, 800-Speaker cavity. Detailed Implementation

[0024] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0025] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such terms can be used interchangeably where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0026] In related technologies, electronic devices include a mid-frame 100 and a motor 300. The mid-frame 100 provides mounting space for other components of the electronic device. For example, components such as the circuit board 200, battery, camera module, and fingerprint module 700 can be mounted on the mid-frame 100. The motor 300 is bonded to the mid-frame 100. When the motor 300 vibrates, it drives the mid-frame 100 to vibrate, thus achieving vibration of the entire device. Alternatively, when the motor 300 is working, it can drive components such as the camera module to move. However, when the electronic device is subjected to a large impact, the motor 300 is prone to detaching from the mid-frame 100, thus affecting the vibration performance of the electronic device. Therefore, the assembly reliability of the motor 300 in the related technologies is relatively poor.

[0027] Additionally, as attached Figure 1 As shown, to increase battery capacity, components such as the speaker cavity 800, fingerprint module 700, motor 300, and flexible circuit board 600 for connecting the screen are arranged around the circuit board 200. The circuit board 200 can be a sub-board, or it can be a mainboard; this is not a limitation here. In one embodiment, the circuit board 200 can be a sub-board, with a portion of the flexible circuit board 600 mounted on the surface of the circuit board 200 facing away from the mid-frame 100. A first electrical connector 610 is provided on the area of ​​the flexible circuit board 600 mounted on the circuit board 200, and the first electrical connector 610 is electrically connected to an electrical connector on the electronic device's display screen. The other end of the flexible circuit board 600 extends to the main board of the electronic device and is electrically connected to the mainboard. Of course, the flexible circuit board 600 is not limited to connecting the display screen; it can also be used to connect functional devices such as camera modules; this is not a limitation here.

[0028] Due to user habits, the fingerprint module 700 and speaker cavity 800 are essentially immovable. The fingerprint module 700 is located in the middle, while the larger speaker cavity 800 is placed on the side. To minimize the area occupied by the circuit board 200, the motor 300 and flexible circuit board 600 are placed together, either on the far right or far left. The flexible circuit board 600 passes over the motor 300, and the motor 300 is hidden beneath it, thus shortening the length of the circuit board 200.

[0029] However, if the motor 300 accidentally falls, it may press against the flexible circuit board 600, causing the flexible circuit board 600 to loosen from its electrically connected components, thus affecting the normal operation of the electronic device. Therefore, the safety and reliability of the electronic device in this related technology are relatively poor.

[0030] The electronic device provided in the embodiments of this application will be described in detail below with reference to the accompanying drawings and through specific embodiments and application scenarios.

[0031] Please refer to Figures 2 to 19 This application discloses an electronic device, which includes a mid-frame 100, a circuit board 200, a motor 300, and a limiting member 400.

[0032] The mid-frame 100 provides mounting space for other components of the electronic device. Specifically, the mid-frame 100 is part of the electronic device's housing. The mid-frame 100 may include side frames and a frame body, where the frame body can be understood as a mainboard cover. The side frames surround the frame body. The frame body and side frames can also be a single integrated structure, meaning the mid-frame 100 is a one-piece mid-frame. Alternatively, the frame body and side frames can be separate components, in which case the mid-frame 100 is an assembled structural component.

[0033] Circuit board 200 and motor 300 are arranged side by side on the middle frame 100, and motor 300 is adhered to the middle frame 100. At this time, motor 300 and circuit board 200 can be arranged side by side on the main frame body. The specific working principle and structure of circuit board 200 and motor 300 are well-known technologies and are not limited herein.

[0034] The limiting component 400 includes a gasket 410 and a limiting part 420. The gasket 410 is soldered to the side of the circuit board 200 away from the middle frame 100. At this time, the gasket 410 is soldered to the surface of the circuit board 200 and is integrated with the circuit board 200. In this case, the gasket 410 is in direct contact with the surface of the circuit board 200, thereby meeting the antenna grounding requirements of the electronic device.

[0035] The limiting part 420 is connected to at least one of the gasket 410 and the middle frame 100. The motor 300 is located between the middle frame 100 and the limiting part 420, and the motor 300 is limited and engaged with the limiting part 420 in a direction away from the middle frame 100. At this time, the limiting part 420 and the middle frame 100 form a clamping space, one end of the motor 300 is adhered to the middle frame 100, and the other end abuts against the limiting part 420.

[0036] In the embodiments disclosed in this application, the limiting part 420 can assist in fixing the motor 300, thus avoiding the risk of the motor 300 detaching from the middle frame 100, thereby ensuring the vibration and driving performance of the electronic device, and improving the assembly reliability between the motor 300 and the middle frame 100, thus improving the assembly reliability of the motor of the electronic device.

[0037] In addition, such as Figure 1In the illustrated scheme, the flexible circuit board 600 can pass through the side of the limiting part 420 away from the motor 300. Therefore, the motor 300 is not easy to fall off due to the auxiliary fixation of the limiting part 420, and it is also avoided from pressing on the flexible circuit board 600. This avoids the risk of loosening between the flexible circuit board 600 and its electrically connected components, thereby improving the safety and reliability of electronic devices.

[0038] In another alternative embodiment, the electronic device may further include a connecting screw 500. One end of the connecting screw 500 passes sequentially through the washer 410 and the circuit board 200 and is threadedly connected to the mid-frame 100. The circuit board 200 is fixedly connected to the mid-frame 100 by the connecting screw 500. Specifically, both the washer 410 and the circuit board 200 have corresponding through holes. One end of the connecting screw 500 passes sequentially through the through holes in the washer 410 and the circuit board 200 and extends into a threaded hole in the mid-frame 100. The connecting screw 500 is threaded into the threaded hole, thereby fixing the circuit board 200 to the mid-frame 100. At this time, the connecting screw 500, by contacting the washer 410, can further meet the antenna grounding requirements.

[0039] In this solution, the circuit board 200 is detachably fixed to the middle frame 100 by connecting screws 500. This not only improves the connection reliability between the circuit board 200 and the middle frame 100, but also facilitates the replacement and maintenance of the circuit board 200, thereby improving the maintainability of the electronic equipment.

[0040] In another alternative embodiment, the gasket 410 may include a first gasket 411 and a second gasket 412, which are spaced apart and both soldered to the circuit board 200. This embodiment can further increase the grounding area of ​​the circuit board 200, thereby improving the grounding reliability of the circuit board 200.

[0041] In another embodiment, the first washer 411 and the second washer 412 can be located on opposite sides of the motor 300. The connecting screw 500 may include a first screw 510 and a second screw 520, with one end of the first screw 510 passing through the first washer 411 and the circuit board 200 in sequence and being threaded into the middle frame 100. One end of the second screw 520 may pass through the second washer 412 and the circuit board 200 in sequence and be threaded into the middle frame 100.

[0042] This solution can further improve the connection strength between the circuit board 200 and the middle frame 100, thereby improving the assembly reliability of electronic devices.

[0043] In another alternative embodiment, both the first gasket 411 and the second gasket 412 are connected to the limiting portion 420. In this embodiment, the limiting portion 420 is connected to the first gasket 411 and the second gasket 412, thereby simplifying the assembly structure of the electronic device.

[0044] In one alternative embodiment, the limiting portion 420 includes a first region 4214, a second region 4215, and a third region 4216. The first region 4214 is stacked on a first gasket 411, and the third region 4216 is stacked on a second gasket 412. The first region 4214 can be welded to the first gasket 411, and similarly, the third region 4216 can be welded to the second gasket 412. The motor 300 is located between the second region 4215 and the middle frame 100, and the motor 300 is clamped between the second region 4215 and the middle frame 100.

[0045] In another alternative solution, such as Figure 2 and Figure 3 As shown, the first region 4214 can be fixed to the first washer 411 by the first screw 510. Similarly, the third region 4216 can be fixed to the second washer 412 by the second screw 520. The first region 4214 and the third region 4216 have corresponding through holes. One end of the first screw 510 passes through the through hole in the first region 4214, the through hole in the first washer 411, and the through hole in the circuit board 200, and then extends into the threaded hole in the middle frame 100 to be threadedly connected to the middle frame 100. The nut of the first screw 510 rests against the first region 4214, thereby fixing the first region 4214. Similarly, one end of the second screw 520 passes through the through hole in the third region 4216, the through hole in the second washer 412, and the through hole in the circuit board 200, and then extends into the threaded hole in the middle frame 100 to be threadedly connected to the middle frame 100. The nut of the second screw 520 rests against the third region 4216, thereby fixing the third region 4216. At this time, the limiting part 420 is fixedly connected by the first screw 510 and the second screw 520.

[0046] In the above scheme, when the limiting part 420 is stacked on the first gasket 411 and the second gasket 412, the stacking thickness of the limiting part and the first gasket 411 and the second gasket 412 is relatively large, thus resulting in a large stacking thickness of the electronic device. In addition, the periphery of the through hole of the contact surface between the limiting part 420 and the first gasket 411 and the second gasket 412 is a hard contact between steel sheets. When the first screw 510 and the second screw 520 are not properly assembled, the contact between the overlapping surfaces of the limiting part 420 and the first gasket 411 and the second gasket 412 is unreliable, thereby causing unreliable grounding problems.

[0047] Based on this, in another optional embodiment, the first gasket 411, the limiting portion 420, and the second gasket 412 are integrally formed, making the limiting member 400 a one-piece structural component. In this solution, the first gasket 411, the limiting portion 420, and the second gasket 412 are combined into a single structure. In this case, the thickness of the first gasket 411 and the second gasket 412 is their own thickness, thus reducing the stacking thickness of the first gasket 411 and the second gasket 412, resulting in a smaller stacking thickness of the electronic device. Furthermore, by combining the first gasket 411, the limiting portion 420, and the second gasket 412 into a single structure, the risk of overlap between the limiting portion 420 and the first gasket 411 and the second gasket 412 is avoided, thereby improving the grounding reliability of the electronic device. Additionally, by combining the three materials into one material and directly integrally forming them, material costs are reduced.

[0048] Figure 3 In the illustrated scheme, the thickness of both the first region 4214 and the third region 4216 can be H1, where H1 can also be understood as the wall thickness of the limiting part 420. The thickness of the first washer 411 and the second washer 412 can be D1, where D1 is the wall thickness of the first washer 411 and the second washer 412. In this case, the thickness at both the first screw 510 and the second screw 520 is H1 + D1. Figure 5 In the illustrated scheme, the first gasket 411, the limiting part 420, and the second gasket 412 are integrally formed. The limiting part 420 does not need to be stacked on the first gasket 411 and the second gasket 412, and the first screw 510 and the second screw 520 do not need to fix the limiting part 420. Therefore, the thickness at the first screw 510 and the second screw 520 is only the thickness D1 of the first gasket 411 and the second gasket 412. This scheme helps to avoid the screw installation position from being too high, thereby improving grounding reliability. In the above embodiment, the limiting part 420 can be a flat plate structure. That is, the limiting part 420 can be a flat plate.

[0049] In another alternative solution, such as Figure 7 As shown, the limiting part 420 may include a first limiting plate 421, a first connecting plate 422, and a second connecting plate 423. The first gasket 411 is connected to the first connecting plate 422 on the side facing the motor 300. The first connecting plate 422 is bent relative to the first gasket 411 along the side away from the circuit board 200. The second gasket 412 is connected to the second connecting plate 423 on the side facing the motor 300. The second connecting plate 423 is bent relative to the second gasket 412 along the side away from the circuit board 200. The first connecting plate 422 and the second connecting plate 423 are connected to the two opposite sides of the first limiting plate 421.

[0050] The motor 300 can be located between the middle frame 100 and the first limiting plate 421, and the motor 300 is limited and cooperates with the first limiting plate 421 in a direction away from the middle frame 100.

[0051] In this design, the first limiting plate 421, the first connecting plate 422, and the second connecting plate 423 can form a recessed structure, which can further improve the fastening effect on the motor 300 and further avoid the risk of the motor 300 falling off.

[0052] Of course, the limiting part 420 is not limited to the first limiting plate 421, the first connecting plate 422 and the second connecting plate 423 that are relatively bent. The limiting part 420 may also include more bent plate structures connected in sequence. The specific structure of the limiting part 420 is not limited in this article.

[0053] In another alternative embodiment, the limiting part 420 can be snapped into the first gasket 411 and the second gasket 412 respectively. In this embodiment, the limiting part 420 is connected to the first gasket 411 and the second gasket 412 by snapping, thereby simplifying the connection method between the limiting part 420 and the first gasket 411 and the second gasket 412, and thus reducing the manufacturing cost of the electronic device.

[0054] In one embodiment, protruding buckles may be provided on both sides of the limiting part 420, and slots may be provided on the side of the first pad 411 and the second pad 412 facing away from the circuit board 200. The buckles on the limiting part 420 can engage with the corresponding slots on the first pad 411 and the second pad 412, so that the limiting part 420 engages with the first pad 411 and the second pad 412 respectively.

[0055] For example, when the limiting part 420 includes the first region 4214, the second region 4215 and the third region 4216 as described above, both the first region 4214 and the third region 4216 may be provided with a latch.

[0056] In another alternative embodiment, such as Figures 8 to 10 As shown, the limiting part 420 may include a second limiting plate 424 and a first locking part 425 and a second locking part 426 disposed on the edge of the second limiting plate 424.

[0057] The first gasket 411 may include a first plate body 4111 and a first extension plate 4112 that are bent relative to each other. The first plate body 4111 may be soldered onto the circuit board 200. Optionally, one end of the first screw 510 passes through the first plate body 4111 and the circuit board 200 in sequence and is threadedly connected to the middle frame 100. The first extension plate 4112 may be located on the side of the first plate body 4111 facing the motor 300. The second gasket 412 may include a second plate body 4121 and a second extension plate 4122 that are bent relative to each other. The second plate body 4121 is soldered onto the circuit board 200. Optionally, one end of the second screw 520 may pass through the second plate body 4121 and the circuit board 200 in sequence and be threadedly connected to the middle frame 100. The second extension plate 4122 may be located on the side of the second plate body 4121 facing the motor 300. In this case, the first plate body 4111 in the first gasket 411 and the second plate body 4121 in the second gasket 412 serve as grounding.

[0058] The first snap-fit ​​portion 425 engages with the first extension plate 4112. The second snap-fit ​​portion 426 engages with the second extension plate 4122. The motor 300 is located between the middle frame 100 and the second limiting plate 424, and the motor 300 is limited and engaged with the second limiting plate 424 in a direction away from the middle frame 100.

[0059] In this design, the first washer 411 engages with the first locking portion 425 of the limiting portion 420 via the first extension plate 4112. At this time, the first screw 510 directly abuts against the first plate body 4111 of the first washer 4111, thus reducing the thickness of the limiting portion 420 and ensuring reliable grounding of the first screw 510. Similarly, the second washer 412 engages with the second locking portion 426 of the limiting portion 420 via the second extension plate 4122. At this time, the second screw 520 directly abuts against the second plate body 4121 of the second washer 412, thus reducing the thickness of the limiting portion 420 and ensuring reliable grounding of the second screw 520.

[0060] exist Figure 8 In the illustrated scheme, the thickness of the first plate body 4111 is the same as the wall thickness of the first washer 411, and the thickness of the second plate body 4121 is the same as the wall thickness of the second washer 412. Therefore, the thickness of the first plate body 4111 and the second plate body 4121 is D1. At this time, the thickness at the first screw 510 and the second screw 520 is only the wall thickness D1 of the first washer 411 and the second washer 412. Therefore, this scheme helps to avoid the screw installation position being too high.

[0061] In the above scheme, the wall thickness of the first gasket 411 and the second gasket 412 can be equal to the wall thickness of the limiting part 420.

[0062] In another alternative, the wall thickness of the first gasket 411 and the second gasket 412 can be greater than the wall thickness of the limiting portion 420. In this case, the wall thickness of the limiting portion 420 is reduced, and the stacking height between the limiting portion 420 and the motor 300 is reduced, which is beneficial to reducing the overall thickness of the device and thus contributing to the development of thinner and lighter electronic devices.

[0063] Figure 8 The wall thickness of the limiting part 420 in the illustrated scheme can be H2, and the dimension of H2 is smaller than 1. Figure 3 The dimension H1 of the limiting part in the shown scheme is therefore Figure 8 The stacking size of the limiting part 420 and the motor 300 in the solution is less than Figure 3 The stacking dimensions of the limiting part 420 and the motor 300 in the illustrated scheme are therefore... Figure 8 The overall thickness of the electronic device shown is less than Figure 3 The overall thickness of the electronic device shown.

[0064] Furthermore, the first engaging portion 425 may include a first connecting arm 4251 and a first buckle 4252. The first connecting arm 4251 may extend from the edge of the second limiting plate 424 in a direction toward the middle frame 100. The first buckle 4252 may be located at the end of the first connecting arm 4251 away from the second limiting plate 424 and is disposed on the side of the first connecting arm 4251 facing the second engaging portion 426. The first extension plate 4112 may be provided with a first engaging recess 4112a, which may be a groove, recess, through hole, or other structure. The first buckle 4252 may engage with the first engaging recess 4122a.

[0065] The second engaging portion 426 may include a second connecting arm 4261 and a second buckle 4262. The second connecting arm 4261 extends from the edge of the second limiting plate 424 in a direction toward the middle frame 100. The second buckle 4262 may be located at the end of the second connecting arm 4261 away from the second limiting plate 424, and is disposed on the side of the second connecting arm 4261 facing the first engaging portion 425. The second extension plate 4122 is provided with a second fastening recess 4122a, which may be a groove, recess, through hole, or other structure. The second buckle 4262 may engage with the second fastening recess 4122a.

[0066] This solution simplifies the engagement method between the limiting part 420 and the first gasket 411 and the second gasket 412, thereby helping to reduce the assembly structure and manufacturing cost of the limiting part 420 and the first gasket 411 and the second gasket 412.

[0067] The locking structure between the limiting part 420 and the first gasket 411 and the second gasket 412 disclosed in this application is not limited to the structure described herein, but may be other structures, which are not limited herein.

[0068] In another alternative embodiment, such as Figures 13 to 15 As shown, the limiting part 420 may include a separately configured first limiting part 427 and a second limiting part 428. The first limiting part 427 and the first gasket 411 can form an integral structural component, and the second limiting part 428 and the second gasket 412 can form an integral structural component. The motor 300 can be limited and engaged with both the first limiting part 427 and the second limiting part 428 in a direction away from the middle frame 100.

[0069] In this design, the limiting part 420 is divided into two parts, which are respectively formed on the first gasket 411 and the second gasket 412. This avoids the risk of overlap between the limiting part 420 and the first gasket 411 and the second gasket 412, thereby improving the grounding reliability of the electronic equipment. In addition, by forming the two parts of the limiting part 420 separately on the first gasket 411 and the second gasket 412, the molding process of the limiting part 420 is saved, which helps to reduce material costs.

[0070] Figure 13 In the proposed solution, a portion of the limiting part 420 is formed on the first gasket 411, and the other portion is formed on the second gasket 412. Therefore, the limiting part 420 does not need to be stacked on the first gasket 411 and the second gasket 412, and the first screw 510 and the second screw 520 do not need to fix the limiting part 420. Thus, the thickness at the first screw 510 and the second screw 520 is only the thickness D1 of the first gasket 411 and the second gasket 412. Therefore, this solution helps avoid the screw installation position from becoming too high, thereby improving grounding reliability.

[0071] In the above scheme, the first limiting part 427 can be coplanar with the first gasket 411, that is, the first gasket 411 and the first limiting part 427 form a first flat plate structure, and the first limiting part 427 and the first gasket 411 are two areas arranged side by side in the first flat plate structure. Similarly, the second limiting part 428 can be coplanar with the second gasket 412, that is, the second gasket 412 and the second limiting part 428 form a second flat plate structure, and the second limiting part 428 and the second gasket 412 are two areas arranged side by side in the second flat plate structure.

[0072] In another embodiment, the first limiting portion 427 may include a first bending segment 4271 and a second bending segment 4272. The side of the first pad 411 facing the motor 300 may be connected to the first bending segment 4271. The first bending segment 4271 may be bent relative to the first pad 411 along the side away from the circuit board 200. The second bending segment 4272 may be connected to the side of the first bending segment 4271 away from the first pad 411. The second bending segment 4272 may be bent relative to the first bending segment 4271 along the side away from the first pad 411.

[0073] The second limiting portion 428 may include a third bending segment 4281 and a fourth bending segment 4282. The side of the second pad 412 facing the motor 300 may be connected to the third bending segment 4281. The third bending segment 4281 is bent relative to the second pad 412 along the side away from the circuit board 200. The fourth bending segment 4282 may be connected to the side of the third bending segment 4281 away from the second pad 412. The fourth bending segment 4282 may be bent relative to the second bending segment 4272 along the side away from the second pad 412.

[0074] Among them, the motor 300 can be limited and matched with the second bending segment 4272 and the fourth bending segment 4282 in the direction away from the middle frame 100.

[0075] In this design, both the first limiting part 427 and the second limiting part 428 form a stepped structure, which further enhances the fastening effect on the motor 300 and further avoids the risk of the motor 300 falling off. In addition, by adjusting the angle and width between the bending plates of the first limiting part 427 and the second limiting part 428, motors 300 of different heights can be limited, thereby improving compatibility.

[0076] Of course, the first limiting part 427 and the second limiting part 428 are not limited to two relatively bent segments. The first limiting part 427 and the second limiting part 428 may also include more bent segments connected in sequence. The specific structure of the first limiting part 427 and the second limiting part 428 is not limited in this article.

[0077] In another alternative solution, such as Figure 16 As shown, the limiting part 420 may have a first end 4201 and a second end 4202, both of which can be clamped between the circuit board 200 and the middle frame 100. The opposing ends of the limiting part 420 are clamped between the circuit board 200 and the middle frame 100, thereby fixing the limiting part 420. This solution eliminates the need for additional fixing structures, thus simplifying the assembly structure of the electronic device.

[0078] In the above embodiment, the two opposite ends of the limiting part 420 clamping between the circuit board 200 and the middle frame 100 can easily raise the installation position of the circuit board 200. At this time, the first screw 510 and the second screw 520 are easily floated, resulting in poor grounding reliability of the electronic device.

[0079] Based on this, in another optional embodiment, the surface of the middle frame 100 facing the circuit board 200 can be provided with a first clearance notch 101 and a second clearance notch 102. The first end 4201 can be located within the first clearance notch 101, and the second end 4202 can be located within the second clearance notch 102. In this solution, the first end 4201 and the second end 4202 of the limiting part 420 are respectively located within the first clearance notch 101 and the second clearance notch 102, thereby avoiding the risk of the circuit board 200 being raised, and thus avoiding the risk of the first screw 510 and the second screw 520 floating, thereby improving the grounding reliability of the electronic device. Of course, in some embodiments, the first clearance notch 101 and the second clearance notch 102 can be formed on the inner sidewall of the middle frame groove 103.

[0080] Figure 16 In the illustrated scheme, the limiting part 420 is clamped and fixed to the middle frame 100 by the circuit board 200. Simultaneously, the first end 4201 and the second end 4202 of the limiting part 420 are positioned within corresponding clearance notches. Therefore, the limiting part 420 is fixed without affecting the installation position of the circuit board 200. Consequently, the first screw 510 and the second screw 520 do not need to fix the limiting part 420, and the thickness at the first screw 510 and the second screw 520 is only the thickness D1 of the first washer 411 and the second washer 412. Therefore, this scheme helps avoid the screw installation position from becoming too high, thereby improving grounding reliability.

[0081] In the above solution, the limiting part 420 can be a flat plate structure. Of course, the limiting part 420 is not limited to a flat plate structure.

[0082] In one alternative embodiment, the limiting portion 420 may include a first substrate 429, a second substrate 4210, a third substrate 4211, a fourth substrate 4212, and a fifth substrate 4213 connected sequentially. The third substrate 4211 may be located between the second substrate 4210 and the fourth substrate 4212, and the second substrate 4210 may be disposed opposite to the fourth substrate 4212. The first substrate 429 may be connected to the side of the second substrate 4210 opposite to the third substrate 4211 and extends toward the side opposite to the fourth substrate 4212. The fifth substrate 4213 may be connected to the side of the fourth substrate 4212 opposite to the third substrate 4211 and extends toward the side opposite to the second substrate 4210.

[0083] At least a portion of the first substrate 429 is located within the first clearance notch 101, at which point the first substrate 429 is clamped between the circuit board 200 and the mid-frame 100. At least a portion of the fifth substrate 4213 is located within the second clearance notch 102, at which point the fifth substrate 4213 is clamped between the circuit board 200 and the mid-frame 100. The motor 300 may be located between the third substrate 4211 and the mid-frame 100, and the motor 300 may be limited and engaged with the third substrate 4211 in a direction away from the mid-frame 100.

[0084] In this design, the limiting part 420 can form a recessed structure, which can further improve the fastening effect on the motor 300 and further avoid the risk of the motor 300 falling off.

[0085] To further improve the slimness and lightness of the electronic device, in another alternative solution, the mid-frame 100 may have a receiving groove 103, within which at least a portion of the motor 300 may be located. In this solution, at least a portion of the motor 300 is recessed and mounted within the receiving groove 103, thereby reducing the stacking height of the mid-frame 100 and the motor 300, and thus improving the slimness and lightness of the electronic device. It is understood that in some embodiments, the first clearance notch 101 and the second clearance notch 102 may be formed on the inner sidewall of the mid-frame groove 103.

[0086] Furthermore, a third clearance notch 104 may be provided on the edge of the circuit board 200, and the third clearance notch 104 may be disposed opposite to the receiving groove 103. In this solution, the third clearance notch 104 is provided on the edge of the circuit board 200, and part of the motor 300 may be located within the third clearance notch 104, which helps to reduce the arrangement area between the circuit board 200 and the motor 300, thereby helping to further reduce the size of the electronic device.

[0087] In another alternative, the edge of the spacer 410 can abut against the edge of the flexible circuit board 600 to position the flexible circuit board 600 on the circuit board 200. In this solution, the spacer 410 can position the flexible circuit board 600, thereby avoiding the risk of misalignment and further improving the assembly reliability of the electronic device.

[0088] In the above embodiments, the gasket 410 includes a first gasket 411 and a second gasket 412. The first gasket 411 and the second gasket 412 are located on opposite sides of the flexible circuit board 600, respectively. The edge of the first gasket 411 abuts against one side of the flexible circuit board 600, and the edge of the second gasket 412 abuts against the other side of the flexible circuit board 600.

[0089] In one alternative embodiment, the first pad 411 includes a first plate body 4111 and a first flange 4113. The first plate body 4111 is soldered to the circuit board 200, and the first flange 4113 is bent relative to the first plate body 4111 in a direction away from the circuit board 200. The first flange 4113 abuts against the edge of the flexible circuit board 600.

[0090] Similarly, the second pad 412 includes a second plate body 4121 and a second flange 4123. The second plate body 4121 is soldered to the circuit board 200, and the second flange 4123 is bent relative to the second plate body 4121 in a direction away from the circuit board 200. The second flange 4123 abuts against the edge of the flexible circuit board 600.

[0091] In the above scheme, the number of flanges on the first gasket 411 and the second gasket 412 can be multiple. Multiple flanges can limit the flexible circuit board 600 in different directions, thereby further improving the positioning performance of the flexible circuit board 600.

[0092] The electronic device disclosed in this application can be a smartphone, tablet computer, e-book reader, or wearable device. Of course, the electronic device can also be other devices, and this application does not limit this.

[0093] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. An electronic device, characterized in that, Includes the mid-frame, circuit board, motor, and limiting components; Both the circuit board and the motor are mounted on the middle frame; The limiting component includes a gasket and a limiting part. The gasket is disposed on the side of the circuit board away from the middle frame. The limiting part is connected to at least one of the gasket and the middle frame. The motor is located between the middle frame and the limiting part, and the motor is limited and engaged with the limiting part.

2. The electronic device according to claim 1, characterized in that, The gasket includes at least a first gasket and a second gasket, which are spaced apart and both are disposed on the circuit board.

3. The electronic device according to claim 2, characterized in that, Both the first gasket and the second gasket are connected to the limiting portion.

4. The electronic device according to claim 3, characterized in that, The first gasket, the limiting part, and the second gasket are integrally formed so that the limiting member is an integral structural component.

5. The electronic device according to claim 3, characterized in that, The limiting portion engages with the first gasket and the second gasket respectively.

6. The electronic device according to claim 2, characterized in that, The limiting part includes a first limiting part and a second limiting part that are separately provided. The first limiting part and the first gasket form an integral structural component, and the second limiting part and the second gasket form an integral structural component. The motor is in a limiting engagement with both the first limiting part and the second limiting part.

7. The electronic device according to claim 1, characterized in that, The limiting part has a first end and a second end, both of which are connected to the middle frame.

8. The electronic device according to claim 7, characterized in that, The middle frame has a first clearance notch and a second clearance notch, with the first end located in the first clearance notch and the second end located in the second clearance notch.

9. The electronic device according to claim 1, characterized in that, The electronic device also includes a connecting screw, one end of which passes through the gasket and the circuit board in sequence and is threaded to the middle frame. The circuit board is fixedly connected to the middle frame by the connecting screw.

10. The electronic device according to claim 1, characterized in that, The middle frame has a receiving groove, and at least a portion of the motor is located in the receiving groove; the circuit board has a third clearance notch, which is disposed opposite to the receiving groove.

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