CN212676153U - Waterproof button structure and electronic equipment - Google Patents
Waterproof button structure and electronic equipment Download PDFInfo
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- CN212676153U CN212676153U CN202021704258.7U CN202021704258U CN212676153U CN 212676153 U CN212676153 U CN 212676153U CN 202021704258 U CN202021704258 U CN 202021704258U CN 212676153 U CN212676153 U CN 212676153U
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Abstract
The utility model provides a waterproof button structure and electronic equipment, the waterproof button structure comprises a button, a pressing plate, limiting parts and a pressing part, wherein the limiting parts are arranged at the left end part and the right end part of the button plate, and the pressing part is arranged between the limiting parts and is close to one side of the middle part of the button plate; the shell comprises a through hole matched with the pressing part, a first assembling groove communicated with the through hole and second assembling grooves arranged at two ends of the first assembling groove, and the first assembling groove and the second assembling groove are arranged at intervals and are not communicated with each other; and the sealing ring is sleeved outside the pressing part and is abutted against the inner wall of the through hole to seal the through hole. The utility model discloses only need seal with the via hole that first assembly groove is connected, waterproof button structure just can play sealed waterproof effect, the utility model discloses a waterproof button structure has reduced via hole quantity, has reduced the threat through the via hole weeping, and then has promoted waterproof button structure's leakproofness and waterproof nature, simultaneously, simple structure, convenient assembly, easily production.
Description
Technical Field
The utility model relates to a button waterproof construction technical field, concretely relates to waterproof button structure and electronic equipment.
Background
With the development of technology, various electronic devices, such as mobile phones, tablets, electronic watches, game machines, and the like, have become more and more popular, and provide users with a variety of different experiences and great convenience. Accordingly, demands for the use performance of electronic devices under various environmental conditions are also increasing, and among them, the waterproof performance of electronic devices is particularly important. A casing of the electronic device is generally provided with a key, and the electronic device is switched on or switched off or otherwise adjusted by pressing the key. Therefore, it is necessary to provide a waterproof button.
Referring to fig. 1-3, fig. 1 is a schematic structural diagram of a waterproof key 200 in the prior art. Fig. 2 is a partially exploded view of waterproof key 200 of fig. 1. Fig. 3 is an exploded view of waterproof key 200 of fig. 1. The waterproof button 200 includes a housing member 210, a button 220, and a plastic cover 230. The key 220 is provided with two touch portions 221 and two limiting portions 222 arranged in parallel with the touch portions 221 and between the two touch portions 221, and the two keys 220 of the waterproof key 200 can be respectively used for conducting two switch paths, such as a volume key of an electronic device, for adjusting the volume. The shell member 210 is provided with four through holes M and an assembly groove N communicated with one ends of the four through holes M, after the two limiting portions 222 and the two touch portions 221 penetrate through the corresponding through holes M respectively, the four end portions all extend out of the assembly groove N, a switch electronic element, namely a flexible circuit board P (fpc) in the drawing, is arranged in the assembly groove N, when the key 220 is pressed, the end portion of the touch portion 221 on the key 220 extends towards the flexible circuit board P in the assembly groove N and touches the flexible circuit board P, an internal circuit is switched on, and a switching effect is achieved. In addition, the assembly groove N is sealed by a plastic cover plate 230 to isolate the key from the internal circuit.
Above waterproof button 200 structure of tradition is equipped with flexible circuit board P in the assembly groove N, consequently assembly groove N need be sealed to prevent that liquid gets into, but waterproof button 200 of tradition leads to the problem of having appeared in the sealed arbitrary through-hole M of these four through-holes M owing to set up four through-holes M with assembly groove N intercommunication, and liquid all can get into in the assembly groove N. In summary, the existing waterproof key 200 has insufficient waterproof and sweat-proof capabilities, which seriously affects the usability and service life of the key, and further shortens the service life of the electronic device.
Therefore, it is desirable to provide a waterproof key structure and an electronic device to solve the above-mentioned drawbacks.
Disclosure of Invention
Based on this, the utility model provides a waterproof button structure and electronic equipment, waterproof button structure leakproofness is good, simple structure, and convenient assembly can solve the defect that exists at present.
The technical scheme of the utility model as follows: a waterproof key structure, comprising:
the key comprises a pressing plate, limiting parts arranged at the left end part and the right end part of the pressing plate and a pressing part arranged between the limiting parts and close to one side of the middle of the pressing plate, wherein the pressing part and the limiting parts are arranged at intervals;
the shell comprises a through hole matched with the pressing part and a first assembling groove communicated with the through hole, second assembling grooves used for accommodating the limiting parts are arranged at the left and right ends of the first assembling groove, and the first assembling groove and the second assembling groove are arranged at intervals to ensure that the first assembling groove and the second assembling groove are not communicated with each other;
the sealing ring is sleeved outside the pressing part and is abutted against the inner wall of the via hole to seal the via hole;
when the button assemble in during the casing, press the splenium to run through the via hole just the tip of pressing the splenium extends first assembly groove, the sealing washer butt is sealed the inner wall of via hole, spacing portion holds and locates corresponding second assembly inslot, when pressing the board, press the splenium to stretch to switch electronic component in the first assembly groove, and the touching switch electronic component switches on the switch.
Preferably, the waterproof key further comprises a sealing cover in sealing fit with the first assembling groove and a sealing plug in sealing fit with the second assembling groove.
Preferably, the sealing plug is in interference fit with the second assembling groove and is abutted and fixed with the limiting part;
the sealing cover is in interference fit with the first assembling groove and is abutted and fixed with the switch electronic element.
Preferably, the sealing cover and the sealing plug both comprise a protruding part, and the sealing cover and the sealing plug are abutted against the inner wall of the first assembling groove or the second assembling groove through the protruding part to realize interference fit;
and/or the sealing plug comprises a first relief portion for facilitating assembly;
and/or the sealing plug comprises a step surface, and the step surface is abutted against the limiting part so that the sealing plug is connected with the limiting part in a step matching manner.
Preferably, the outer wall of the pressing part is provided with a first groove which is annularly provided with a circle, and the first groove is matched with the sealing ring.
Preferably, the pressing part is arranged at one end of the first assembling groove and is provided with a second groove, the second groove faces the pressing plate and is sunken, and the waterproof key structure further comprises a buffer part matched with the second groove.
Preferably, the sealing cover is provided with a second yielding portion for accommodating the switch electronic element, and the switch electronic element is accommodated in the first assembling groove through the second yielding portion.
Preferably, the limiting part comprises a first support extending out of the pressing plate and a second support extending out of the first support and far away from one end of the pressing plate, and the first support and the second support are combined into an L shape.
Preferably, a lubricating inclined plane is arranged at the joint of the first support and the second support, and the lubricating inclined plane is matched with a slope at the corner of the second assembling groove.
Preferably, the housing further comprises a key slot arranged at an interval with the first assembling slot and connected with the second assembling slot, the through hole is connected with the key slot and the first assembling slot, and the pressing plate part is accommodated in the key slot.
The utility model also provides an electronic equipment, electronic equipment includes above waterproof button structure.
The beneficial effects of the utility model reside in that: the utility model provides a waterproof button structure and electronic equipment, waterproof button structure includes the button, presses complex casing and is used for the sealed casing to avoid the sealing washer that liquid and dust got into with the button. The key comprises a pressing plate, limiting parts arranged at the left end part and the right end part of the pressing plate and a pressing part arranged between the limiting parts and close to one side of the middle of the pressing plate; the shell comprises a through hole matched with the pressing part and a first assembling groove communicated with the through hole, the left end and the right end of the first assembling groove are provided with second assembling grooves used for accommodating the limiting parts, and the first assembling groove and the second assembling groove are arranged at intervals and are not communicated with each other; the sealing washer cover is located press the splenium outward and with the inner wall butt of via hole realizes will the via hole seals. The utility model discloses with first assembly groove and second assembly groove interval on the casing set up and each other not communicate the back, only need sealed with the via hole that first assembly groove is connected, waterproof button structure just can play sealed waterproof effect, the utility model discloses a waterproof button structure has reduced via hole quantity, has reduced the threat through the via hole weeping, and then has promoted waterproof button structure's leakproofness and waterproof nature, simultaneously, simple structure, convenient assembly, easily production.
Drawings
Fig. 1 is a schematic structural diagram of a waterproof button 200 in the prior art;
FIG. 2 is a partially exploded view of waterproof key 200 of FIG. 1;
FIG. 3 is an exploded view of waterproof key 200 of FIG. 1;
fig. 4 is a schematic structural diagram of a waterproof button structure 100 according to an embodiment of the present invention;
FIG. 5 is a partially exploded view of the water resistant key structure 100 shown in FIG. 4;
fig. 6 is an exploded view of the waterproof key structure 100 shown in fig. 4 from a first perspective;
FIG. 7 is an exploded view of the waterproof key structure 100 shown in FIG. 4 from a second perspective;
FIG. 8 is a cross-sectional view of the waterproof key structure 100 shown in FIG. 4 taken along the direction A-A;
fig. 9 is a structure diagram of the mating of the key and the sealing plug in the waterproof key structure 100 shown in fig. 4;
fig. 10 is an exploded view of a sealing cover and an FPC in the waterproof key structure 100 shown in fig. 4;
the meaning of the reference symbols in the drawings is:
100-waterproof key structure; 1-pressing a key; 11-pressing plate; 12-a pressing part; 121-a first groove; 122-a second groove; 13-a limiting part; a-a first scaffold; b-a second scaffold; c-lubricating the bevel; 2-a shell; 21-key pressing groove; 22-a via hole; 23-a first assembly groove; 24-a second assembly groove; 3-a seal; 31-a sealing ring; 32-a sealing cover; 321-a recess; 322-protrusions; 323-abdication opening; 33-a sealing plug; 331-ribs; 332-step surface; 333-avoiding groove; 4-a buffer member; 200-waterproof keys; 210-a housing piece; m-via holes; n-assembly grooves; 220-key press; 221-a touch portion; 222-a limiting part; 230-a plastic cover plate; a P-flex circuit board; p 1-metal dome.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 4-10, an embodiment of the present invention provides a waterproof button structure 100, where the waterproof button structure 100 is used to connect a circuit in an electronic device, and the waterproof button structure includes: a key 1, a housing 2 press-fitted with the key 1, and a sealing member 3 for sealing the housing 2 from liquid and dust.
The push button 1 is arranged on the housing 2 in a pressable manner, and includes a push plate 11, two position-limiting portions 13 arranged at the left and right ends of the push plate 11, and a pressing portion 12 arranged between the two position-limiting portions 13 and near the middle side of the push plate 11. By pressing the pressing plate 11, the pressing portion 12 on the pressing plate 11 can be pushed to the internal switch electronic component and contact with the internal switch electronic component, thereby conducting the internal circuit. The utility model discloses use the metal dome formula switch that uses among the electronic equipment usually to explain as an example, can make according to the splenium 12 to press metal shrapnel P1 and then switch on with flexible circuit board P in the metal dome formula switch through pressing to press board 11, realize the button function. The embodiment of the utility model provides an in, spacing portion 13 all is provided with two of symmetry with pressing portion 12, corresponds two metal shrapnel P1 positions on the flexible circuit board P respectively, can form two switch button, presses the both ends of pressing board 11 respectively, can switch on the switch that corresponds the end, for example the sound size button of cell-phone side. The limiting part 13 is used for limiting the advancing distance of the pressing part 12 in the pressing process, so that the switch is prevented from being crushed due to the fact that the pushing distance of the pressing part 12 is too large.
The sealing member 3 includes a sealing ring 31 with elasticity sleeved outside the pressing portion 12, a sealing cover 32 in sealing engagement with one assembling groove 23, and a sealing plug 33 in sealing engagement with the second assembling groove 24. When the key 1 is matched with the key slot 21, the limiting part 13 is accommodated in the second assembling groove 24, the pressing part 12 extends through the hole 22 to the first assembling groove 23, and the sealing ring 31 is abutted against the inner wall of the sealed through hole 22 to seal the through hole 22. Two sealing rings 31 are provided corresponding to the pressing portions 12, and are respectively sleeved outside the corresponding pressing portions 12. Because sealing washer 31 is the elastic sealing material, pressing the in-process of button 1, not only can seal via hole 22, avoid outside liquid and dust to enter into first assembly groove 23 through via hole 22 in, can also play the effect of resilience, metal shrapnel p1 is owing to taken place deformation in addition, after loosening button 1, also can have certain reaction force to pressing the portion 12 of pressing, kick-backs button 1 to original position under both combined action. The sealing cover 32 and the sealing plug 33 are made of flexible plastic materials, and can seal the first assembling groove 23 and the second assembling groove 24, so that dust and liquid are prevented from further entering the interior of the first assembling groove 23 and the second assembling groove 24.
Specifically, after the key 1, the housing 2 and the sealing element 3 are installed, any end of the pressing plate 11 is pressed to drive the pressing portion 12 corresponding to the end of the pressing plate 11 and the limiting portion 13 to move together in the housing 2, the corresponding pressing portion 12 is pushed to press the corresponding metal elastic sheet P1 in the first assembling groove 23 in the extending direction of the via hole 22, the metal elastic sheet P1 touches the flexible circuit board P to further conduct the switch, in the pressing process, the limiting portion 13 is limited by the descending space of the second assembling groove 24, when the limiting portion 13 is pushed to abut against the groove wall of the second assembling groove 24, the key 1 cannot be pushed any more, the pressing portion 12 cannot be pushed any more towards the switch, the pressing plate 11 is released, and the key 1 returns to the original position under the reaction force of the rebound of the sealing ring 31 and the corresponding elastic sheet P1.
The utility model discloses waterproof button structure 100, two first assembly grooves 23 of pressing splenium 12 and flexible circuit board P and the spacing portion 13's of holding second assembly groove 24 intervals setting are pressed to the holding on the casing 2, only need set up two and press the via hole 22 that splenium 12 matches, establish two sealed two via holes 22 of two sealing washer 31 butts of pressing the splenium 12 outside through the cover, realize sealing off via hole 22. It is possible to prevent liquid from entering the first fitting groove 23 from the two through holes 22. Compare in the influence of the all possible weeping that brings of four through-holes M of traditional waterproof button 200, the utility model discloses a waterproof button structure 100 only needs sealed two via holes 22 just can avoid liquid to get into and then reach water-proof effects, the risk of button weeping that has significantly reduced. In addition, by sealing the first and second fitting grooves 23 and 24 with the sealing cap 32 and the sealing plug 33, respectively, it is possible to further prevent liquid and dust from entering the inside from the first and second fitting grooves 23 and 24.
In an alternative embodiment, referring to fig. 4-10, in order to seal the second assembly groove 24 tightly and prevent liquid and dust from entering through the second assembly groove 24 and affecting the connection path, the sealing plug 33 is in interference fit with the second assembly groove 24, and the sealing plug 33 can also abut against and fix the position-limiting portion 13 to prevent the position-limiting portion 13 from shaking in the second assembly groove 24. Alternatively, the sealing plug 33 includes a protruding strip 331 abutting against the inner wall of the second fitting groove 24, and the sealing plug 33 is interference-fitted with the second fitting groove 24 by providing the protruding strip 331. Optionally, each of the limiting portions 13 includes a first bracket a extending from the pressing plate 11 and a second bracket b bent from the first bracket a at an end away from the pressing plate 11, the second bracket b is parallel to the pressing plate 11, and the first bracket a and the second bracket b are combined to form an L-shaped limiting bracket 131. Optionally, the sealing plug 33 includes a step surface 332 disposed on a side facing the second assembling groove 24, and the step surface 332 is in abutting engagement with the second bracket b, so that the sealing plug 33 is in step-engagement connection with the second assembling groove 24 to fix the limiting portion 13. Optionally, each limiting portion 13 further includes a lubricating inclined surface c disposed at a joint of the first bracket a and the second bracket b, and a slope (not shown) matched with the lubricating inclined surface c is further disposed at a corner of the second assembling groove 24, and by matching the lubricating inclined surface c with the slope, in the process of pressing the key 1, the limiting bracket 131 is pressed down, so that the key 1 is prevented from being pressed and blocked. Optionally, the second assembling groove 24 has a certain downward space, so that when the key 1 is pressed, the pressing portion 12 can be abutted to the electronic switch element, and meanwhile, the limiting bracket 131 is limited by the downward space, so that the pressing portion 12 is not capable of exerting too much pressure on the electronic element, and the electronic switch element is prevented from being damaged. Optionally, the sealing plug 33 includes a first relief portion, which is a relief groove 333 facing the outside of the second assembly groove 24, and the relief groove 333 is provided to facilitate the assembly and disassembly of the sealing plug 33 and the assembly of the sealing plug 33.
In an alternative embodiment, referring to fig. 6 to 8, in order to fasten the sealing ring 31 on the outer side of the pressing portion 12 and avoid the sealing ring 31 from slipping off during the pressing process, the outer wall of the pressing portion 12 is provided with a first groove 121 circumferentially arranged around the pressing portion, the first groove 121 is matched with the sealing ring 31, and a part of the sealing ring 31 is accommodated, so that the sealing ring 31 can be limited to a certain extent.
In an alternative embodiment, referring to fig. 5, 9 and 10, the sealing cover 32 is interference-fitted with the first fitting groove 23 and abuts against the fixed flexible circuit board P. Optionally, the sealing cover 32 includes a plurality of protrusions 322 uniformly distributed, and the protrusions 322 abut against the inner wall of the first assembling groove 23 to achieve an interference fit between the sealing cover 32 and the first assembling groove 23. The sealing cover 32 is provided with a second relief portion, shown as a recess 321, through which the flexible circuit board P is partially disposed in the first mounting groove 23 and partially disposed outside the first mounting groove 23 to be connected to the internal components, through the recess 321. Optionally, the sealing cover 32 further includes a third yielding portion, the third yielding portion includes two yielding openings 323 corresponding to the pressing portions 12, each yielding opening 323 is opposite to each pressing portion 12, two metal elastic sheets P1 on the flexible circuit board P are disposed in the yielding openings 323, and the pressing portions 12 press the metal elastic sheets P1 to achieve switch conduction.
In an alternative embodiment, referring to fig. 6-8, one end of the pressing portion 12 away from the pressing plate 11 is provided with a second groove 122, the second groove 122 is recessed toward the pressing plate 11, and the waterproof key structure 100 further includes a buffer 4 matching with the second groove 122. The buffer 4 is made of flexible material and is disposed on the pressing portion 12 and the switch pressing side, so that the switch can be prevented from being damaged by the pressing portion 12 in the process of pressing the switch.
The utility model also provides an electronic equipment, electronic equipment include the waterproof button structure 100 of above record, and electronic equipment includes but not limited to cell-phone, flat board and game machine etc. can be used for electronic equipment's volume button for adjust the volume size. Through setting up waterproof button 100, reduced the risk that liquid got into electronic equipment from waterproof button structure 100, made electronic equipment have good waterproof performance, extension electronic equipment's life.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (11)
1. A waterproof key structure, characterized in that, waterproof key structure includes:
the key comprises a pressing plate, limiting parts arranged at the left end part and the right end part of the pressing plate and a pressing part arranged between the limiting parts and close to one side of the middle of the pressing plate, wherein the pressing part and the limiting parts are arranged at intervals;
the shell comprises a through hole matched with the pressing part and a first assembling groove communicated with the through hole, second assembling grooves used for accommodating the limiting parts are arranged at the left and right ends of the first assembling groove, and the first assembling groove and the second assembling groove are arranged at intervals to ensure that the first assembling groove and the second assembling groove are not communicated with each other;
the sealing ring is sleeved outside the pressing part and is abutted against the inner wall of the via hole to seal the via hole;
when the button assemble in during the casing, press the splenium to run through the via hole just the tip of pressing the splenium extends first assembly groove, the sealing washer butt is sealed the inner wall of via hole, spacing portion holds and locates corresponding second assembly inslot, when pressing the board, press the splenium to stretch to switch electronic component in the first assembly groove, and the touching switch electronic component switches on the switch.
2. The waterproof key structure of claim 1, wherein said waterproof key further comprises a sealing cap sealingly engaged with said first fitting groove and a sealing plug sealingly engaged with said second fitting groove.
3. The waterproof key structure according to claim 2, wherein the sealing plug is in interference fit with the second fitting groove and abuts against and fixes the stopper portion;
the sealing cover is in interference fit with the first assembling groove and is abutted and fixed with the switch electronic element.
4. The waterproof key structure of claim 3,
the sealing cover and the sealing plug respectively comprise a protruding part, and the sealing cover and the sealing plug are abutted against the inner wall of the first assembling groove or the second assembling groove through the protruding parts so as to realize interference fit;
and/or the sealing plug comprises a first relief portion for facilitating assembly;
and/or the sealing plug comprises a step surface, and the step surface is abutted against the limiting part so that the sealing plug is connected with the limiting part in a step matching manner.
5. The waterproof key structure of claim 1, wherein the outer wall of the pressing portion is provided with a first groove circumferentially arranged, and the first groove is matched with the sealing ring.
6. The waterproof key structure of claim 1, wherein the pressing portion is provided with a second groove at an end of the first assembling groove, the second groove is recessed toward the pressing plate, and the waterproof key structure further comprises a buffer member matching with the second groove.
7. The waterproof key structure according to claim 2, wherein the sealing cover is provided with a second relief portion for accommodating the switch electronic component, and the switch electronic component is accommodated in the first fitting groove through the second relief portion.
8. The waterproof key structure according to claim 1, wherein the position-limiting portion includes a first bracket extending from the pressing plate and a second bracket extending from the first bracket away from the pressing plate, and the first bracket and the second bracket are combined into an L-shape.
9. The waterproof key structure of claim 8, wherein a junction of said first bracket and said second bracket is provided with a lubricating ramp, said lubricating ramp matching a ramp at a corner of said second mounting groove.
10. The waterproof key structure of claim 1, wherein the housing further comprises a key groove spaced apart from the first mounting groove and connected to the second mounting groove, the via hole connects the key groove and the first mounting groove, and the pressing plate is partially received in the key groove.
11. An electronic device, characterized in that the electronic device comprises the waterproof key structure of any one of claims 1-10.
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CN202021704258.7U CN212676153U (en) | 2020-08-14 | 2020-08-14 | Waterproof button structure and electronic equipment |
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CN202021704258.7U CN212676153U (en) | 2020-08-14 | 2020-08-14 | Waterproof button structure and electronic equipment |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114141562A (en) * | 2021-12-03 | 2022-03-04 | 荣耀终端有限公司 | Electronic device |
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2020
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114141562A (en) * | 2021-12-03 | 2022-03-04 | 荣耀终端有限公司 | Electronic device |
CN114141562B (en) * | 2021-12-03 | 2023-01-17 | 荣耀终端有限公司 | Electronic device |
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