Electronic equipment and FPC (Flexible Printed Circuit) pressing piece thereof
By designing an integrated injection molding of the support plate and the support pad, the problem of easy damage during the FPC disassembly of the folding screen mobile phone is solved, and the removable connection and protection are achieved, extending the service life of the FPC.
Patent Information
- Application Number
- CN202410068302.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-16
- Publication Date
- 2025-07-18
AI Technical Summary
In the prior art, the FPC of the folding screen mobile phone is fixed to the housing through bonding, which makes it easy to damage the FPC during disassembly and increases maintenance costs.
A FPC press fitting piece with integrated injection molding of support plate and support rubber pad is designed. It is connected to the shell by connecting lugs and the shell, and the projection on the support rubber pad is used to cooperate with the counterhole of the support plate to achieve detachable connection and protection of FPC.
It realizes the removable fixation and protection of FPC, extends the service life of FPC and reduces maintenance costs.
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Figure CN120343124A_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of FPC pressing components, and specifically relates to an electronic device and its FPC pressing component. Background Art
[0002] The cross-axis FPC of a folding screen mobile phone needs to be fixed to the shells on both sides. In conventional technical solutions, generally, the cross-axis FPC is fixed to the shells on both sides by bonding. However, this method is not convenient for disassembling the FPC, and it is very easy to damage the FPC during the disassembly process, resulting in the need to replace the FPC device and increasing the maintenance cost. Summary of the Invention
[0003] In the first aspect of the embodiments of this application, an FPC pressing component is provided. The FPC pressing component includes:
[0004] A strip-shaped support plate with connecting lugs at both ends. The connecting lugs are used to connect with the shell of the electronic device. The support plate is provided with counterbored holes, and the counterbored holes are through holes.
[0005] A support rubber pad for abutting and pressing the FPC. The support rubber pad is integrally injection-molded with at least part of the support plate, and the support rubber pad is provided with protrusions. The end size of the protrusions is larger than the neck size, and the protrusions penetrate and are inserted into the counterbored holes.
[0006] In the second aspect, the embodiments of this application provide an electronic device. The electronic device includes: a shell assembly, an FPC, and the FPC pressing component described in the above embodiments;
[0007] The shell assembly includes a first shell, a second shell, and a rotating shaft assembly; the first shell and the second shell are respectively connected to the rotating shaft assembly and can rotate relative to the rotating shaft assembly;
[0008] The FPC straddles the rotating shaft assembly and is fixedly connected to the first shell through the FPC pressing component. The FPC is used to realize the connection of electronic devices on both sides of the first shell and the second shell.
[0009] The FPC pressing component provided by the embodiments of this application designs a structural form in which the support plate and the support rubber pad are integrally injection-molded. On the one hand, the pressing and fixing and disassembly of the FPC can be realized through the detachable connection between the FPC pressing component and the shell. On the other hand, the support rubber pad abuts and presses the FPC, playing a role in protecting the FPC, thereby increasing the service life of the FPC. Description of the Drawings
[0010] To more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for description in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.
[0011] Figure 1 It is a schematic structural diagram of the unfolded state of an electronic device in an embodiment of the present application;
[0012] Figure 2 is Figure 1 a schematic structural diagram of the folded state of the electronic device in the embodiment;
[0013] Figure 3 It is a schematic partial structural diagram of the electronic device in the embodiment of the present application;
[0014] Figure 4 is Figure 3 a schematic structural disassembly diagram of the electronic device in the embodiment;
[0015] Figure 5 is Figure 1 a schematic cross-sectional structural diagram of the electronic device along line A-A in the embodiment;
[0016] Figure 6 It is a schematic structural diagram of the FPC pressing part in the embodiment of the present application;
[0017] Figure 7 is Figure 6 a schematic structural disassembly diagram of the FPC pressing part in;
[0018] Figure 8 is Figure 7 a schematic diagram of another perspective of the structural disassembly of the FPC pressing part in;
[0019] Figure 9 It is a schematic partial structural diagram of the protrusion on the support rubber pad cooperating with the counterbore of the support plate;
[0020] Figure 10 It is a schematic structural diagram of the FPC pressing part cooperating with the mounting hole on the housing in this embodiment;
[0021] Figure 11 It is a schematic partial structural diagram of a connection method between a support rubber pad and a support plate;
[0022] Figure 12 is Figure 11 a schematic structural diagram of the support rubber pad and the support plate being separated due to force in;
[0023] Figure 13 It is a schematic block diagram of the composition of an embodiment of the electronic device of the present application.
[0024] Reference numerals: electronic device 10, housing assembly 100, flexible display module 200, FPC 300, FPC pressing member 400, functional device 500;
[0025] First housing 110, second housing 120, rotating shaft assembly 130, battery 510, circuit board 520, first mounting hole 111, second mounting hole 121;
[0026] Support plate 410, support rubber pad 420, connecting lug 411, connecting hole 4110, counterbore 412, protrusion 421, protrusion end 4211, protrusion neck 4212, rib 422, glue pulling portion 413, groove 414;
[0027] RF circuit 910, memory 920, input unit 930, display unit 940, sensor 950, audio circuit 960, wifi module 970, processor 980, power supply 990; Touch panel 931, input device 932, display panel 941, speaker 961, microphone 962. Detailed implementation manners
[0028] The present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be specifically noted that the following embodiments are only used to illustrate the present application, but do not limit the scope of the present application. Similarly, the following embodiments are only partial embodiments of the present application rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present application.
[0029] The terms "first", "second", and "third" in the embodiments of the present application are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", and "third" may explicitly or implicitly include at least one of such features. In the description of the present application, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined. All directional indications (such as up, down, left, right, front, back...) in the embodiments of the present application are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly. The terms "including" and "having" in the embodiments of the present application and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but optionally further includes steps or units not listed, or optionally further includes other steps or components inherent to these processes, methods, products, or devices.
[0030] As used herein, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment can be included in at least one embodiment of the present application. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.
[0031] As used herein, an "electronic device" (or simply "terminal") includes, but is not limited to, a device configured to receive / transmit communication signals via a wired connection (such as via a Public Switched Telephone Network (PSTN), Digital Subscriber Line (DSL), digital cable, direct cable connection, and / or another data connection / network) and / or via a wireless interface (such as for a cellular network, Wireless Local Area Network (WLAN), digital television network such as DVB-H network, satellite network, AM-FM broadcast transmitter, and / or another communication terminal). A communication terminal configured to communicate via a wireless interface can be referred to as a "wireless communication terminal", "wireless terminal" or "mobile terminal". Examples of mobile terminals include, but are not limited to, satellite or cellular telephones; Personal Communication System (PCS) terminals that can combine cellular radiotelephone with data processing, facsimile, and data communication capabilities; PDAs that can include radiotelephones, pagers, Internet / intranet access, web browsers, notepads, calendars, and / or Global Positioning System (GPS) receivers; and conventional laptop and / or palmtop receivers or other electronic devices including radiotelephone transceivers. A mobile phone is an electronic device configured with a cellular communication module.
[0032] Please refer to Figure 1 and Figure 2 , Figure 1 is a schematic structural diagram of an electronic device in an unfolded state in an embodiment of the present application, Figure 2 is Figure 1 a schematic structural diagram of the electronic device in a folded state in the embodiment; it should be noted that the electronic device in the present application can include electronic devices with foldable flexible displays such as mobile phones, tablet computers, laptop computers, wearable devices, etc.
[0033] Specifically, please refer to Figure 3 and Figure 4 , Figure 3 is a partial structural diagram of the electronic device in an embodiment of the present application, Figure 4 is Figure 3Schematic diagram of the structural disassembly of the electronic device in the embodiment. Among them, the electronic device 10 in this embodiment includes, but is not limited to, the following structures: a housing assembly 100, a flexible display module 200, an FPC 300, and an FPC pressing member 400.
[0034] Optionally, the housing assembly 100 in this embodiment includes a first housing 110, a second housing 120, and a rotating shaft assembly 130; the detailed structure of the rotating shaft assembly 130 is within the understanding of those skilled in the art and will not be elaborated here. The first housing 110 and the second housing 120 are respectively connected to the rotating shaft assembly 130 and can rotate relative to the rotating shaft assembly 130, so that the electronic device can be folded ( Figure 2 in the state) or flattened ( Figure 1 in the state) for switching. Among them, the flexible display module 200 can be flattened or bent along with the housing assembly 100.
[0035] The FPC 300 straddles the rotating shaft assembly 130 and is fixedly connected to the first housing 110 through the FPC pressing member 400. The FPC 300 is used to connect the electronic devices on both sides of the first housing 110 and the second housing 120. Please refer to Figure 5 , Figure 5 is Figure 1 Schematic cross-sectional view of the structure of the electronic device along the A-A line in the embodiment. Among them, the electronic device 10 in the embodiment of the present application may further include a functional device 500. Among them, the functional device 500 may include a battery 510, a circuit board 520, etc. Among them, the functional device 500 (the battery 510 and the circuit board 520 in the figure) may be disposed in the accommodation cavity of the housing 100 (the first housing 110 and the second housing 120). The FPC 300 may be used to realize the electrical connection between the battery 510 and the circuit board 520. Other structural features of the electronic device are within the understanding of those skilled in the art and will not be listed and elaborated one by one here.
[0036] Optionally, please continue to refer to Figure 3 and Figure 4 , the electronic device 10 in this embodiment may include two FPC pressing members 400. The FPC 300 is fixedly connected to the first housing 110 and the second housing 120 respectively through the two FPC pressing members 400. Among them, the first housing 110 is provided with a first mounting hole 111. The FPC 300 passes through the first mounting hole 111, and the FPC pressing member 400 is fixed in the first mounting hole 111 and pressed against the FPC 300; the second housing 120 is provided with a second mounting hole 121. The FPC 300 passes through the second mounting hole 121, and the FPC pressing member 400 is fixed in the second mounting hole 121 and pressed against the FPC 300.
[0037] Please refer toFigures 6 to 8 , Figure 6 is a schematic structural diagram of the FPC pressing part in an embodiment of the present application, Figure 7 is Figure 6 a schematic diagram of the structural disassembly of the FPC pressing part in Figure 8 is Figure 7 a schematic diagram of another perspective of the structural disassembly of the FPC pressing part in. The FPC pressing part 400 in this embodiment includes a support plate 410 and a support rubber pad 420. Among them, the support plate 410 is a strip-shaped structure, and connecting lugs 411 are provided at both ends. The connecting lugs 411 are used to connect with the housing of the electronic device. Optionally, in this embodiment, connection holes 4110 may be provided on the connecting lugs 411, and the FPC pressing part 400 is fixedly connected to the first housing 110 and the second housing 120 respectively through screws 800 passing through the connection holes 4110. Among them, the support plate 410 is provided with a counterbore 412, specifically, it may be provided in the middle of the support plate 410, and the counterbore 412 is a through hole. The material of the support plate 410 may be a metal sheet, such as a steel sheet, etc., to ensure the overall strength of the support plate 410.
[0038] Optionally, the support rubber pad 420 is used to abut and press the FPC 300. The support rubber pad 420 and at least part of the support plate 410 are integrally injection-molded (in the illustration of this embodiment, the support rubber pad 420 and the middle part of the support plate 410 are integrally injection-molded), and the support rubber pad 420 is provided with a protrusion 421. Among them, the material of the support rubber pad 420 may be rubber or elastic resin (such as TPU), etc.
[0039] Please refer to Figure 9 , Figure 9 which is a partial structural schematic diagram of the cooperation between the protrusion on the support rubber pad and the counterbore of the support plate. Among them, the size of the end 4211 of the protrusion 421 is larger than the size of the neck 4212, and it is inserted through the counterbore 412. The shape of the protrusion 421 is adapted to the cross-sectional shape of the counterbore 412, and it may not be limited to the shape structure in the illustrated embodiment. In other embodiments, it may also be a dovetail shape or other structures. The detailed features of this part are within the understanding of those skilled in the art, and will not be listed and described in detail here.
[0040] Please refer to Figure 10 , Figure 10 which is a schematic structural diagram of the cooperation between the FPC pressing part and the mounting hole on the housing in this embodiment. In this embodiment, the first mounting hole 111 on the first housing 110 is taken as an example for illustration.
[0041] Optionally, a rib 422 is provided on the side of the supporting rubber pad 420 in this embodiment. The supporting rubber pad is in interference fit with the inner wall of the first mounting hole 111 (and the second mounting hole of the second housing) through the rib 422. When disassembling the FPC pressing member 400, since the supporting rubber pad 420 is in interference fit with the mounting hole, when pulling up the supporting plate 410, it is very easy to cause the separation of the supporting plate 410 and the supporting rubber pad 420. Please refer to Figure 11 and Figure 12 , Figure 11 which is a partial structural schematic diagram of a connection manner between the supporting rubber pad and the supporting plate, Figure 12 is Figure 11 a structural schematic diagram of the separation of the supporting rubber pad and the supporting plate due to force in
[0042] Comparatively speaking, the protrusion 421 on the supporting rubber pad 420 in this embodiment plays a role in pulling the rubber, preventing the supporting rubber pad 420 from separating from the supporting plate 410 when stressed.
[0043] Optionally, please continue to refer to Figure 6 and Figure 7 , in this embodiment, the number of the counterbores 412 on the supporting plate 410 can be multiple (two in the figure), and they are arranged in sequence along the length direction of the supporting plate 410. Among them, the protrusions 421 of the supporting rubber pad 420 are arranged in one-to-one correspondence with the counterbores 412.
[0044] Optionally, please continue to refer to Figure 8 , in this embodiment, a rubber pulling portion 413 is provided in the middle of the supporting plate 410. The rubber pulling portion 413 extends inward by bending from the edge position, and the rubber pulling portion 413 is embedded in the supporting rubber pad 420. The rubber pulling portion 413 is used to further improve the connection reliability of the integral molding structure of the supporting rubber pad 420 and the supporting plate 410, and prevent the two from separating under stress.
[0045] The FPC pressing member provided by the embodiment of the present application designs a structural form in which the supporting plate and the supporting rubber pad are integrally injection molded, and mutually matching rubber pulling structures are provided on the supporting rubber pad 420 and the supporting plate 410, thereby ensuring the connection strength between the supporting rubber pad 420 and the supporting plate 410. On the one hand, the FPC pressing member of this structural form can realize the pressing and fixing and disassembly of the FPC through the detachable connection between the FPC pressing member and the housing. On the other hand, the supporting rubber pad abuts against and presses the FPC, playing a role in protecting the FPC, thereby increasing the service life of the FPC and the overall structure of the electronic device.
[0046] Optionally, please continue to refer to Figure 7 and Figure 8, in this embodiment, a groove 414 extending along the length direction of the support plate 410 is provided in the middle of the support plate 410, and this groove 414 is used to increase the bending strength of the support plate 410 in the length direction (the direction of the double arrow in the figure).
[0047] Please refer to Figure 13 , Figure 13 FIG. is a schematic block diagram of an embodiment of an electronic device according to the present application. The electronic device can be a foldable mobile phone, tablet computer, notebook computer, wearable device, etc. In this embodiment, a foldable mobile phone is taken as an example. The structure of the electronic device 10 may include an RF circuit 910, a memory 920, an input unit 930, a display unit 940 (which may be the flexible display module 200 in the foregoing embodiment), a sensor 950, an audio circuit 960, a wifi module 970, a processor 980 (which may be the circuit board 520 in the foregoing embodiment), and a power supply 990 (which may be the battery 510 in the foregoing embodiment), etc. Among them, the RF circuit 910, the memory 920, the input unit 930, the display unit 940, the sensor 950, the audio circuit 960, and the wifi module 970 are respectively connected to the processor 980; the power supply 990 is used to supply electrical energy to the entire electronic device 10.
[0048] Specifically, the RF circuit 910 is used to receive and transmit signals; the memory 920 is used to store data instruction information; the input unit 930 is used to input information, and specifically may include a touch panel 931 and other input devices 932 such as operation buttons; the display unit 940 may include a display panel 941, etc.; the sensor 950 includes an infrared sensor, a laser sensor, etc., and is used to detect user proximity signals, distance signals, etc.; the speaker 961 and the microphone (or microphone) 962 are connected to the processor 980 through the audio circuit 960 and are used to receive and transmit sound signals; the wifi module 970 is used to receive and transmit wifi signals, and the processor 980 is used to process the data information of the electronic device. For the specific structural features of the electronic device, please refer to the relevant descriptions in the foregoing embodiments, and details will not be described here.
[0049] For the electronic device provided by the embodiment of the present application, its FPC pressing part designs a structural form in which a support plate and a support rubber pad are integrally injection-molded. On the one hand, the FPC can be pressed and fixed and disassembled through the detachable connection between the FPC pressing part and the housing. On the other hand, the support rubber pad abuts against and presses the FPC, playing a role in protecting the FPC, thereby increasing the service life of the FPC and the overall structure of the electronic device.
[0050] The above are only some embodiments of the present application, and thus do not limit the protection scope of the present application. Any equivalent device or equivalent process transformation made by using the content of the specification and drawings of the present application, or directly or indirectly applied in other related technical fields, shall be similarly included in the patent protection scope of the present application.
Claims
1. An FPC pressing part, characterized in that, The FPC pressing component includes: A strip-shaped support plate with connecting lugs at both ends. The connecting lugs are used to connect with the housing of the electronic device. The support plate is provided with counterbores, and the counterbores are through holes; A support rubber pad for abutting and pressing the FPC. The support rubber pad is integrally injection-molded with at least part of the support plate, and the support rubber pad is provided with a protrusion. The end size of the protrusion is larger than the neck size, and the protrusion is inserted through the counterbore; 2. The FPC pressing part according to claim 1, wherein The material of the support plate is a steel sheet.
3. The FPC pressing part according to claim 2, wherein, The number of the counterbores is multiple, and they are arranged in sequence along the length direction of the support plate. The protrusions of the support rubber pad are arranged in one-to-one correspondence with the counterbores; 4. The FPC pressing part according to claim 1, characterized in that A glue pulling part is arranged in the middle of the support plate. The glue pulling part extends inward by bending from the edge position, and the glue pulling part is embedded in the support rubber pad; 5. The FPC pressing part according to claim 4, wherein A groove extending along the length direction of the support plate is arranged in the middle of the support plate; 6. An electronic device, characterized in that, The electronic device includes: a housing assembly, an FPC, and the FPC pressing component according to any one of claims 1-5; The housing assembly includes a first housing, a second housing, and a rotating shaft assembly; the first housing and the second housing are respectively connected to the rotating shaft assembly and can rotate relative to the rotating shaft assembly; The FPC straddles the rotating shaft assembly and is fixedly connected to the first housing through the FPC pressing component. The FPC is used to realize the connection of electronic devices on both sides of the first housing and the second housing; 7. The electronic device according to claim 6, wherein The electronic device includes two of the FPC pressing components, and the FPC is fixedly connected to the first housing and the second housing respectively through the two FPC pressing components; 8. The electronic device according to claim 7, wherein The first housing is provided with a first mounting hole. The FPC passes through the first mounting hole, and the FPC pressing component is fixed in the first mounting hole and presses on the FPC; the second housing is provided with a second mounting hole. The FPC passes through the second mounting hole, and the FPC pressing component is fixed in the second mounting hole and presses on the FPC; 9. The electronic device according to claim 8, wherein, The side of the support rubber pad of the FPC pressing component is provided with a rib, and the support rubber pad is in interference fit with the first mounting hole and the second mounting hole respectively through the rib; 10. The electronic device according to claim 6, wherein The connecting lugs of the support plate of the FPC pressing component are provided with connecting holes, and the FPC pressing component is fixedly connected to the first housing through screws passing through the connecting holes;