CN116112592A - Mobile terminal with waterproof fingerprint side key - Google Patents
Mobile terminal with waterproof fingerprint side key Download PDFInfo
- Publication number
- CN116112592A CN116112592A CN202111329672.3A CN202111329672A CN116112592A CN 116112592 A CN116112592 A CN 116112592A CN 202111329672 A CN202111329672 A CN 202111329672A CN 116112592 A CN116112592 A CN 116112592A
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- fpc
- side key
- mobile terminal
- fingerprint
- key
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- 238000007789 sealing Methods 0.000 claims abstract description 45
- 239000003292 glue Substances 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 230000004308 accommodation Effects 0.000 claims description 9
- 229920001296 polysiloxane Polymers 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 5
- 239000000741 silica gel Substances 0.000 abstract description 5
- 229910002027 silica gel Inorganic materials 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 9
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000005034 decoration Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
- H04M1/236—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof including keys on side or rear faces
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0249—Details of the mechanical connection between the housing parts or relating to the method of assembly
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
- H04M1/185—Improving the rigidity of the casing or resistance to shocks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Push-Button Switches (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a mobile terminal with waterproof fingerprint side key, comprising: the middle frame comprises a side key mounting hole, a containing groove and an FPC perforation; the fingerprint side key comprises a key cap, fingerprint keys, an FPC and a switch which is arranged outside the key cap and is linked with the key cap, and welding feet of the switch are welded on the FPC; the bracket is arranged in the accommodating groove, fixes the FPC and is abutted with the switch; the sealing piece comprises a sealing sleeve which is arranged on the FPC in a sealing sleeve manner and is positioned in the perforation of the FPC and sealing glue which is arranged at the welding leg part of the switch in a spot manner, and the sealing sleeve is used for separating the inside of the containing groove from the inside of the middle frame and realizing the waterproof performance of the perforation position of the FPC. The sealing sleeve is formed by liquid silica gel or silica gel oil pressure. According to the invention, the waterproof function of the fingerprint side key is realized in a limited space, the thickness of the whole mobile terminal can be effectively reduced, the structure is simple, the assembly is convenient, the non-detachable forms such as back glue are not adopted, only the sealing sleeve is in interference connection and bracket clamping connection, and the maintenance and reworking are greatly convenient.
Description
Technical Field
The invention relates to the technical field of mobile terminals, in particular to a mobile terminal with waterproof fingerprint side keys.
Background
The use environment of the mobile terminal is complex and cannot be predicted, so that the mobile terminal with the waterproof function has an increasing proportion in the market. For the mobile terminal with the fingerprint unlocking function, the waterproof function of the mobile terminal is realized on the basis of not increasing the thickness of the whole mobile terminal, and the mobile terminal has a great challenge.
For example, the CN204302997U patent adopts a traditional front fingerprint, and is adhered to the mobile phone shell by waterproof glue to achieve a waterproof effect. The specific structure is that, as shown in fig. 1, the flexible circuit board 3' is arranged under the fingerprint recognition module 5' in the first groove 4 '. The front shell 2 'of the placement screen 1' is further provided with a second groove 6 'for accommodating the connector 7', the second groove 6 'is filled with a waterproof glue layer, and the waterproof glue layer covers the connector 7'. However, the scheme requires a larger space, particularly in the thickness direction, the whole machine is thicker, the flexible circuit board for electric connection is longer, the assembly is more complex, waterproof glue is adopted for pasting, and the maintenance is difficult.
Patent CN112165541A is a side fingerprint, as shown in FIG. 2, a side decoration 2 'is detached independently, a conductive base 4' is stuck on a shell 1 'through AB glue 5', an integrated fingerprint identification key 3 'is fixed on the shell 1' through a glue dispensing scheme, and waterproof between the decoration and the fingerprint is realized by glue dispensing. However, the scheme has the advantages that a decoration piece is required to be detached independently, special requirements are met on modeling, and after the flexible circuit board is adhered to the decoration piece, the touch feeling of the key is poor, so that the user experience is poor. And the glue pasting scheme is adopted to realize water resistance, and the repairing property is not possessed.
Disclosure of Invention
The invention discloses a mobile terminal with a waterproof fingerprint side key, which is used for solving the problems that in the prior art, the sealing structure of a fingerprint key part is complex and the fingerprint key is not easy to repair.
In order to solve the problems, the invention adopts the following technical scheme:
provided is a mobile terminal having a waterproof fingerprint-side key, including:
the middle frame comprises a side key mounting hole penetrating through the outer side, a containing groove which is positioned on the inner side of the side key mounting hole and communicated with the side key mounting hole, and an FPC perforation which is communicated with the containing groove and penetrates through the inside, wherein the side key mounting hole and the FPC perforation are staggered along the axis direction perpendicular to the side key mounting hole;
the fingerprint side key comprises a key cap arranged in the side key mounting hole, a fingerprint key arranged in the key cap, an FPC arranged in the accommodating groove and electrically connected with the fingerprint key, and a switch arranged outside the key cap and linked with the key cap, wherein a welding leg of the switch is welded with the FPC, and the FPC is in sealing connection with the key cap and penetrates through the FPC through a perforation to be electrically connected with a main circuit board of the mobile terminal;
the bracket is arranged in the accommodating groove, fixes the FPC and is abutted with the switch;
the sealing piece comprises a sealing sleeve which is arranged on the FPC in a sealing manner and is positioned in the perforation of the FPC, and sealing glue which is arranged at the welding leg part of the switch in a point manner, wherein the sealing sleeve is used for separating the accommodating groove from the inner part of the middle frame and realizing the waterproof performance of the perforation position of the FPC.
Optionally, the sealing sleeve is injection molded on the FPC.
Optionally, the sealing sleeve is a silica gel sealing sleeve.
Optionally, the sealing sleeve is formed by liquid silica gel injection molding or silica gel oil pressure molding.
Optionally, the seal cover includes sealed set up in first cover body in the FPC perforation and be located in the accommodation groove and with the second cover body that first cover body is connected, wherein the periphery of second cover body protrusion in first cover body and butt are in on the cell wall of accommodation groove.
Optionally, the middle part of the first sleeve body is provided with an annular protruding edge, and the annular protruding edge and the parts of the first sleeve body, which are positioned on two sides of the annular protruding edge, are in interference fit with the hole wall of the FPC perforation.
Optionally, a boss opposite to the FPC through hole is disposed in the accommodating groove, and the boss abuts against one end of the second sleeve body, which is far away from the first sleeve body.
Optionally, the FPC is placed on the boss at a portion located above the boss.
Optionally, the support extends from the one end of holding groove to the other end, just be equipped with on the support dodges FPC with the groove of dodging of boss.
Optionally, the bracket is provided with a TPU guide post abutting against the switch.
Optionally, the FPC extends into the key cap and the FPC is sealed with the key cap.
The technical scheme adopted by the invention can achieve the following beneficial effects:
the upper seal sleeve of the FPC is in interference fit with the middle frame, the middle frame is divided into two cavities, and meanwhile waterproof inside the middle frame is achieved. In the cavity outside the middle frame, only the connection part of the FPC and the key cap and the connection part of the FPC and the switch are required to be waterproof, and the parts required to be waterproof are fewer and can be realized only by dispensing. Therefore, the waterproof function of the fingerprint side key is realized in a limited space, the thickness of the whole mobile terminal can be effectively reduced, the structure is simple, the assembly is convenient, the non-detachable forms such as back glue are not adopted, only the seal sleeve is in interference connection and the bracket is clamped, and the maintenance and reworking are greatly facilitated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments are briefly described below to form a part of the present invention, and the exemplary embodiments of the present invention and the description thereof illustrate the present invention and do not constitute undue limitations of the present invention. In the drawings:
fig. 1 is a schematic structural diagram of a first mobile terminal disclosed in the prior art;
fig. 2 is a schematic structural diagram of a second mobile terminal disclosed in the prior art;
fig. 3 is a schematic perspective view of a mobile terminal according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a front structure of a mobile terminal according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an explosion structure of a mobile terminal according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a mounting structure of a switch according to an embodiment of the present invention;
figure 7 is a schematic view of the mounting structure of a sealing sleeve according to an embodiment of the present invention;
fig. 8 is a schematic diagram illustrating the cooperation between the TPU guide post and the switch according to the embodiment of the present invention.
Wherein, the following reference numerals are specifically included in the accompanying drawings in fig. 1-8:
screen-1'; front shell-2'; a flexible circuit board-3'; first tank-4'; fingerprint identification module-5'; a second tank-6'; a connector-7';
a housing-1'; side trim-2'; fingerprint recognition key-3'; conducting group-4'; AB glue-5';
a middle frame-1; a side key mounting hole-11; a containing groove-12; FPC perforation-13; a clamping groove-121; boss-122;
fingerprint side key-2; a key cap-21; FPC-22; a switch-23; a first portion-221; a second portion-222; a fillet-231;
a bracket-3; avoidance groove-31; a clamping table-32; TPU guide post-33;
a seal-4; sealing sleeve-41; a first sleeve-411; a second sleeve-412; annular ledge-413.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 3 and 4, the mobile terminal provided by the embodiment of the invention comprises a middle frame 1, a fingerprint side key 2, a bracket 3 and a sealing member 4. The fingerprint-side key 2 includes a key cap 21, an FPC22, and a switch 23. The sealing member 4 includes a sealing sleeve 41 fitted over the FPC22. The sealing sleeve 41 may be formed by using a silicone molding method, for example, liquid silicone injection molding or silicone oil pressure, and is injection molded on the FPC22. In this way, the sealing sleeve 41 and the FPC22 have strong binding force, are not easy to peel off, and can well realize waterproof. In addition, seal sleeve 41 on FPC22 and center 1 interference fit realize waterproof, have divided into two cavitys simultaneously with center 1. The welding feet of the switch 23 are welded on the FPC22, and glue is dispensed at the position, so that the waterproof effect is realized. Through the arrangement of the mode, the waterproof function of the fingerprint side key 2 is realized, and the scheme can effectively reduce the thickness of the whole mobile terminal.
The construction of each component will be described in detail below by taking specific examples.
As shown in fig. 5, the center 1 is provided with side key mounting holes 11, receiving grooves 12, and FPC through holes 13. The accommodation groove 12 is provided on the frame wall of the middle frame 1, has a rectangular parallelepiped shape, and has an open top. The side key mounting hole 11 is formed in a rectangular shape with the same aperture at each part, is positioned at one end of the accommodating groove 12, and penetrates through the accommodating groove 12 and the outside. The FPC through hole 13 is formed in an oblong shape having the same aperture at each portion, is located at the other end of the accommodation groove 12, and penetrates the accommodation groove 12 and the inside of the center 1.
As shown in fig. 5 and 6, the fingerprint-side key 2 includes a key cap 21, fingerprint keys, an FPC22, and a switch 23. The key cap 21 is installed in the side key installation hole 11, is formed by surrounding a top wall, a bottom wall and side walls surrounding the top wall and the bottom wall, has a shape that is adapted to the side key installation hole 11 and has a cross-sectional area (cross-sectional area perpendicular to the axial direction of the side key installation hole 11) slightly smaller than the cross-sectional area (cross-sectional area perpendicular to the axial direction of the side key installation hole 11) of the side key installation hole 11. The bottom wall of the key cap 21 is detachably connected with the side wall, and the bottom of the side wall which is positioned at the short side of the top wall and far away from the FPC perforation 13 is provided with an opening parallel to the bottom wall.
The fingerprint key is installed at the roof of key cap 21 from the bottom of key cap 21, realizes functions such as mobile terminal's awakening through touching the fingerprint key. The fingerprint key has the same structure as that of a common key, including a fingerprint chip and the like, and is not described in detail herein.
The FPC22 includes a first portion 221 and a second portion 222. The first portion 221 is parallel to and abuts against the bottom wall of the key cap 21, and extends from one end of the side key mounting hole 11 to one end of the FPC via 13. The first portion 221 is bent at one end near the key cap 21 and then extends into the key cap 21 from an opening in a sidewall of the key cap 21, so that the fingerprint key is electrically connected to the FPC22. And dispensing at the opening portion of the sidewall of the key cap 21 to seal the FPC22 and the key cap 21. The second portion 222 is parallel to the bottom of the receiving groove 12, is disposed at one end of the first portion 221 near the FPC via 13, is connected to the top end of the first portion 221, and passes through the FPC via 13 to be connected to the main circuit board of the mobile terminal. There are various connection modes between the FPC22 and the main circuit board, for example, a gold finger located at the second portion 222 of the FPC22 is inserted into the main circuit board, or a board connector or a spring contact is adopted.
The switch 23 is disposed outside the key cap 21, and as shown in fig. 6, each of the four corners is provided with a solder leg 231, and is soldered to the FPC22 on the side facing away from the key cap 21 by the solder leg 231. When it is required to turn on or turn off or restart the mobile terminal, the key cap 21 is manually pressed, the switch 23 is pressed by the key cap 21 to turn on the switch 23, and then an electric signal is transmitted to the main circuit board of the mobile terminal through the switch 23. The implementation principle and construction of the switch 23 are the same as usual, and will not be described in detail here.
The holder 3 is mounted in the accommodation groove 12, extends from one end to the other end of the accommodation groove 12, and the holder 3 abuts against the first portion 221 of the FPC22 to fix the FPC22. Clamping tables 32 are arranged at two ends of the support 3, clamping grooves 121 are arranged at two ends of the accommodating groove 12, and as shown in fig. 3 and 5, the support 3 is fixed through the cooperation of the clamping tables 32 and the clamping grooves 121. The bracket 3 is provided with an avoidance groove 31 at one end far away from the side key mounting hole 11, and the second portion 222 of the FPC22 passes through the avoidance groove 31 and is avoided by the avoidance groove 31 to the second portion 222 of the FPC22. At this time, the bottom of the receiving groove 12 is provided with a boss 122, and the second portion 222 of the FPC22 is supported by the boss 122.
As shown in fig. 8, the bracket 3 has a TPU (Thermoplastic Urethane, thermoplastic polyurethane elastomer) guide post 33 at one end near the side key mounting hole 11, and the TPU guide post 33 abuts against the switch 23. When the key cap 21 is pressed, the switch 23 is supported by the TPU guide post 33, so that the switch 23 is opened. The TPU is softer than the normal plastic, has elasticity, can realize a pressing hand feeling, and can effectively increase the life of the switch 23.
The sealing member 4 is provided in the FPC via 13, and includes a sealing sleeve 41 and a sealant. The sealing glue point is arranged at the welding leg 231 of the switch 23, and the welding leg 231 of the switch 23 is sealed by the sealing glue, so that the waterproof effect at the welding leg is realized. The sealing sleeve 41 may be a silicone sealing sleeve 41, and is injection molded on the second portion 222 of the FPC22 in a liquid silicone or oil pressure silicone manner, and forms an integral structure with the FPC22. By the arrangement, the sealing sleeve 41 and the FPC22 have strong binding force, are not easy to peel, have moderate hardness, and can well realize water resistance; low cost and convenient processing and manufacturing.
The specific structure of the sealing sleeve 41 can be specifically set according to the requirements. In one example, as shown in fig. 7, the sealing sleeve 41 includes a first sleeve body 411 and a second sleeve body 412 that are connected to each other. The first sleeve 411 is located in the FPC through hole 13, and is in interference fit with the FPC through hole 13, so that the tightness of the first sleeve 411 is improved. And further, the middle part of the first sleeve body 411 is provided with an annular protruding edge 413, at this time, the part of the first sleeve body 411 located at two sides of the annular protruding edge 413 and the annular protruding edge 413 are in interference fit with the FPC perforation 13, so that the tightness of the first sleeve body 411 is further improved. The second sleeve 412 is located in the accommodating groove 12 outside the FPC via 13, and the cross-sectional area of the second sleeve 412 (the cross-sectional area perpendicular to the axis of the FPC via 13) is larger than the cross-sectional area of the FPC via 13 (the cross-sectional area perpendicular to the axis of the FPC via 13), so that the second sleeve 412 protrudes out of the first sleeve 411, and the second sleeve 412 abuts against the groove wall of the accommodating groove 12. And the second sleeve 412 abuts against the boss 122 of the accommodating groove 12 at the end far from the first sleeve 411, and the boss 122 catches the second sleeve 412. So set up, fix FPC22 in holding groove 12 through seal cover 41 and support 3, realize the waterproof demand of FPC 22's installation and mobile terminal.
When the fingerprint-side key 2 is mounted, the key cap 21 is first placed in the accommodating groove 12, the FPC22 is passed through the FPC via 13 and the sealing sleeve 41 is mounted in place. Then, the key cap 21 is inserted into the side key mounting hole 11, and the holder 3 is fixed to the accommodation groove 12.
In the mobile terminal, the sealing sleeve 41 on the FPC22 is in interference fit with the middle frame 1, so that the middle frame 1 is divided into two cavities, and meanwhile, the inner part of the middle frame 1 is waterproof. In the cavity outside the middle frame 1, only the connection part between the FPC22 and the key cap 21 and the connection part between the FPC22 and the switch 23 are required to be waterproof, and the parts required to be waterproof are fewer, and the waterproof can be realized only by dispensing. Like this, realized the waterproof function of fingerprint side key in limited space, can effectually reduce mobile terminal's complete machine thickness, simple structure moreover, the equipment is convenient, does not adopt undetachable form such as gum, only seal cover 41 interference connection and support 3 joint, very big convenient maintenance and reworking.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.
Claims (11)
1. A mobile terminal having a waterproof fingerprint-side key, comprising:
the middle frame comprises a side key mounting hole penetrating through the outer side, a containing groove which is positioned on the inner side of the side key mounting hole and communicated with the side key mounting hole, and an FPC perforation which is communicated with the containing groove and penetrates through the inside, wherein the side key mounting hole and the FPC perforation are staggered along the axis direction perpendicular to the side key mounting hole;
the fingerprint side key comprises a key cap arranged in the side key mounting hole, a fingerprint key arranged in the key cap, an FPC arranged in the accommodating groove and electrically connected with the fingerprint key, and a switch arranged outside the key cap and linked with the key cap, wherein a welding leg of the switch is welded with the FPC, and the FPC is in sealing connection with the key cap and penetrates through the FPC through a perforation to be electrically connected with a main circuit board of the mobile terminal;
the bracket is arranged in the accommodating groove, fixes the FPC and is abutted with the switch;
the sealing piece comprises a sealing sleeve which is arranged on the FPC in a sealing manner and is positioned in the perforation of the FPC, and sealing glue which is arranged at the welding leg part of the switch in a point manner, wherein the sealing sleeve is used for separating the accommodating groove from the inner part of the middle frame and realizing the waterproof performance of the perforation position of the FPC.
2. The mobile terminal with waterproof fingerprint-side key of claim 1, wherein the boot seal is injection molded over the FPC.
3. The mobile terminal with waterproof fingerprint-side key of claim 2, wherein the boot seal is a silicone boot seal.
4. A mobile terminal with waterproof fingerprint-side key according to claim 3, wherein the sealing sleeve is injection molded of liquid silicone or oil molded of silicone.
5. The mobile terminal with waterproof fingerprint side key according to claim 2, wherein the sealing sleeve comprises a first sleeve body arranged in the FPC perforation in a sealing manner and a second sleeve body which is positioned in the accommodating groove and connected with the first sleeve body, wherein the outer periphery of the second sleeve body protrudes out of the first sleeve body to be abutted against the groove wall of the accommodating groove.
6. The mobile terminal with waterproof fingerprint side key according to claim 5, wherein an annular protruding edge is arranged in the middle of the first sleeve body, and the annular protruding edge and the portions of the first sleeve body located on two sides of the annular protruding edge are in interference fit with the hole wall of the FPC perforation.
7. The mobile terminal with waterproof fingerprint side key according to claim 5, wherein a boss opposite to the FPC perforation is provided in the accommodation groove, and the boss abuts against one end of the second sleeve body away from the first sleeve body.
8. The mobile terminal with waterproof fingerprint-side key according to claim 7, wherein the FPC is placed on the boss at a portion located above the boss.
9. The mobile terminal with waterproof fingerprint side key according to claim 8, wherein the bracket extends from one end of the accommodating groove to the other end, and an avoidance groove for avoiding the FPC and the boss is provided on the bracket.
10. A mobile terminal with waterproof fingerprint side key according to any of claims 1-9, wherein the bracket is provided with a TPU guide post abutting the switch.
11. The mobile terminal with waterproof fingerprint-side key of any one of claims 1-9, wherein the FPC protrudes into the key cap and the FPC is sealed with the key cap.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111329672.3A CN116112592A (en) | 2021-11-11 | 2021-11-11 | Mobile terminal with waterproof fingerprint side key |
| PCT/CN2022/108139 WO2023082709A1 (en) | 2021-11-11 | 2022-07-27 | Mobile terminal having waterproof fingerprint side key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111329672.3A CN116112592A (en) | 2021-11-11 | 2021-11-11 | Mobile terminal with waterproof fingerprint side key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116112592A true CN116112592A (en) | 2023-05-12 |
Family
ID=86253156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111329672.3A Pending CN116112592A (en) | 2021-11-11 | 2021-11-11 | Mobile terminal with waterproof fingerprint side key |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN116112592A (en) |
| WO (1) | WO2023082709A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019009563A (en) * | 2017-06-22 | 2019-01-17 | 富士通株式会社 | Electronic device |
| CN207427652U (en) * | 2017-10-24 | 2018-05-29 | 广东欧珀移动通信有限公司 | Water repellent component and mobile terminal |
| KR102468709B1 (en) * | 2018-03-19 | 2022-11-21 | 엘지전자 주식회사 | Key module and mobile terminal having the same, and method for assembling the key module |
| CN208637350U (en) * | 2018-07-26 | 2019-03-22 | 上海与德通讯技术有限公司 | Side key structure and mobile terminal |
| KR20210021657A (en) * | 2019-08-19 | 2021-03-02 | 삼성전자주식회사 | Electronic device including conductive member |
| CN216291073U (en) * | 2021-11-11 | 2022-04-12 | 中兴通讯股份有限公司 | Mobile terminal with waterproof fingerprint side key |
-
2021
- 2021-11-11 CN CN202111329672.3A patent/CN116112592A/en active Pending
-
2022
- 2022-07-27 WO PCT/CN2022/108139 patent/WO2023082709A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023082709A1 (en) | 2023-05-19 |
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