CN219960994U - Electronic equipment - Google Patents

Abstract

The utility model discloses electronic equipment, which comprises a frame body, a fingerprint module and a waterproof component, wherein the fingerprint module is arranged in an accommodating space with an opening of the frame body, the waterproof component can comprise a first waterproof part and a second waterproof part, the first waterproof part is arranged on the side surface of the fingerprint module along the circumferential direction of the fingerprint module and is abutted with the inner wall of the frame body at the opening of the accommodating space so as to seal a gap between the fingerprint module and the frame body, and the second waterproof part is arranged on the surface of the fingerprint module exposed out of the accommodating space so as to seal pores of the fingerprint module. Like this, waterproof assembly is sealed fingerprint module's installation clearance and self hole, when playing waterproof effect, does not need to occupy extra space, can reduce waterproof assembly's space occupation to can be used for arranging electronic equipment's display screen with more spaces, and then promoted electronic equipment's screen ratio.

Description

Electronic equipment

Technical Field

The utility model belongs to the technical field of electronic equipment, and particularly relates to electronic equipment.

Background

In the related art, as the electronic device increasingly pursues a full screen look and feel and convenience in use, the position of the fingerprint module is also moved from the display panel to the side of the housing of the electronic device. After the fingerprint module is installed in the casing side of electronic equipment, need carry out waterproof design to the installation clearance of its fixed subassembly, however to current electronic equipment, waterproof construction relies on the both sides framework of fixed subassembly as the support generally, sets up in the top of fixed subassembly and both sides framework to cover the installation clearance of fixed subassembly completely, and in order to guarantee waterproof effect, the wall thickness of both sides framework often is thicker. Based on the waterproof structure of the fingerprint module, the occupied space is large, and therefore the screen occupation ratio of the electronic equipment is affected.

Disclosure of Invention

The utility model aims to provide electronic equipment, which at least solves the problem that the screen occupation ratio of the electronic equipment is affected due to the fact that the waterproof structure of a fingerprint module occupies a large space.

In order to solve the technical problems, the utility model is realized as follows:

an embodiment of the present utility model provides an electronic device, including:

a frame body having an open accommodation space;

the fingerprint module is arranged in the accommodating space;

waterproof subassembly, including first waterproof portion and second waterproof portion, first waterproof portion sets up in fingerprint module side along the circumference of fingerprint module, and with the framework inner wall butt of accommodation space opening part, the second waterproof portion sets up in fingerprint module and exposes in accommodation space's surface.

In an embodiment of the utility model, the electronic device may include a frame, a fingerprint module and a waterproof assembly, the fingerprint module is disposed in an accommodating space with an opening of the frame, the waterproof assembly may include a first waterproof portion and a second waterproof portion, the first waterproof portion is disposed on a side surface of the fingerprint module along a circumferential direction of the fingerprint module and is abutted to an inner wall of the frame at the opening of the accommodating space, so as to seal a gap between the fingerprint module and the frame, and the second waterproof portion is disposed on a surface of the fingerprint module exposed out of the accommodating space, so as to seal a pore of the fingerprint module. Like this, waterproof assembly is sealed fingerprint module's installation clearance and self hole, when playing waterproof effect, does not need to occupy extra space, can reduce waterproof assembly's space occupation to can be used for arranging electronic equipment's display screen with more spaces, and then promoted electronic equipment's screen ratio.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a fingerprint module of an electronic device according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a display screen of an electronic device according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of A-A of FIG. 3;

fig. 5 is a schematic partial view of a fingerprint module of an electronic device according to an embodiment of the present utility model.

Reference numerals:

1. a fingerprint body;

2. a reinforcing component; 21. a slot hole; 22. an inclined plane; 23. metal reinforcement; 24. reinforcing a flexible circuit board;

3. a fixing assembly; 31. a main body; 311. a through hole; 312. a recessed portion; 32. a limit part; 33. a fixing part;

4. a flexible circuit board; 41. a first portion; 42. a second portion;

5. a waterproof assembly; 51. a first waterproof part; 52. a second waterproof part; 521. waterproof foam; 522. a metal sheet;

6. a board-to-board connector;

7. a power supply dome;

8. an elastic sheet;

100. a frame; 101. a first opening; 102. a second opening; 103. and a display screen.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the like or similar elements throughout or elements having the same or similar functions. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The features of the utility model "first", "second" and the like in the description and in the claims may be used for the explicit or implicit inclusion of one or more such features. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

In the description of the present utility model, it should be understood that the terms "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," and the like indicate an orientation or a positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The electronic device provided by the embodiment of the utility model is described below with reference to fig. 1 to 4. In the embodiment of the utility model, the electronic equipment can comprise a mobile phone, a notebook computer, a tablet computer, a learning machine, a game machine, an electronic watch, an electronic album and other equipment. These electronic devices may include the fingerprint module set referred to above.

As shown in fig. 1 and fig. 2, an electronic device provided by an embodiment of the present utility model may include:

a frame 100, a fingerprint module and a waterproof assembly 5. Wherein, the frame 100 has open-ended accommodation space, and the fingerprint module sets up in accommodation space, and waterproof assembly 5 includes first waterproof portion 51 and second waterproof portion 52, and first waterproof portion 51 sets up in fingerprint module side along the circumference of fingerprint module, and with the frame 100 inner wall butt of accommodation space opening part, second waterproof portion 52 sets up in the fingerprint module and exposes in accommodation space's surface.

In an embodiment of the present utility model, as shown in fig. 1, an electronic device may include a housing 100, where the housing 100 may have an open accommodating space, and a fingerprint module may be installed in the accommodating space of the housing 100 through the opening.

The waterproof assembly 5 may include a first waterproof portion 51 and a second waterproof portion 52, where the first waterproof portion 51 may be disposed on a side of the fingerprint module along a circumferential direction of the fingerprint module and is abutted to an inner wall of the frame 100 at an opening of the accommodating space, for sealing a gap between the fingerprint module and the frame 100, and the second waterproof portion 52 may be disposed on a surface of the fingerprint module exposed from the accommodating space, for sealing a pore of the fingerprint module. Like this, waterproof assembly 5 is sealed fingerprint module's installation clearance and self hole, when playing waterproof effect, does not need to occupy extra space, can reduce waterproof assembly's space occupation to can be used for arranging electronic equipment's display screen 103 with more spaces, and then promoted electronic equipment's screen ratio.

In some embodiments, the second waterproof portion 52 may include:

the waterproof foam 521 is arranged on the surface of the fingerprint module exposed out of the accommodating space;

the metal sheet 522 is disposed on a side of the waterproof foam 521 facing away from the fingerprint module, and the metal sheet 522 is connected to the frame 100.

In this embodiment, as shown in fig. 1, the second waterproof portion 52 may include a waterproof foam 521 and a metal sheet 522, where the waterproof foam 521 may be disposed on a surface of the fingerprint module exposed in the accommodating space, and then the metal sheet 522 is disposed on the waterproof foam 521, and two ends of the metal sheet 522 may be locked with the frame 100 by screwing, clamping, etc. to make the waterproof foam 521 adhere to the surface of the fingerprint module exposed in the accommodating space, thereby improving the waterproof effect.

In some embodiments, the first waterproof portion 51 is a silicone ring.

In this embodiment, as shown in fig. 2, the first waterproof portion 51 may be a silica gel ring, and the silica gel ring may be disposed on a side surface of the fingerprint module along a circumferential direction of the fingerprint module, and when the fingerprint module is mounted on the frame body 100, the silica gel ring may be abutted against an inner wall of the frame body 100 at an opening of the accommodating space, so as to play a role in sealing a gap between the fingerprint module and the opening of the accommodating space, and promote a waterproof effect.

In some embodiments, the fingerprint module may include:

the fixing component 3 is arranged in the accommodating space, the fixing component 3 comprises a main body 31 and a limiting part 32, the main body 31 comprises a first surface, a second surface and a side wall, the first surface is opposite to the second surface, the side wall is arranged between the first surface and the second surface in a surrounding mode, a through hole 311 is formed in the main body 31, the through hole 311 penetrates through the first surface and the second surface, the main body 31 faces to the opening of the accommodating space, the limiting part 32 is connected with the second surface, and the limiting part 32 is used for fixing the fingerprint module in the accommodating space;

the first waterproof portion 51 is disposed on the sidewall along the circumferential direction of the main body 31, and abuts against the inner wall of the housing 100 at the opening of the accommodating space, and the second waterproof portion 52 is disposed on the first surface, and closes the through hole 311.

In this embodiment, the fixing component 3 may include a main body 31 and a limiting portion 32, where the main body 31 includes a first surface, a second surface and a side wall, the first surface is opposite to the second surface, the side wall is enclosed between the first surface and the second surface, a through hole 311 penetrating through the first surface and the second surface may be formed in the main body 31, and a flexible circuit board of the fingerprint module may be penetrated out from the through hole 311. The limiting part 32 can be connected with the second surface, and the limiting part 32 can be used for fixing the fingerprint module in the accommodating space of the frame body 100, and has simple structure and convenient and quick installation.

The waterproof member 5 may act on the fixing member 3, wherein the first waterproof portion 51 is provided on the side wall in the circumferential direction of the main body 31 for sealing a gap between the fixing member 3 and the frame 100. The second waterproof portion 52 is disposed on the first surface and is used for closing the through hole 311 on the main body 31 of the fixing component 3. Like this, waterproof subassembly 5 is sealed the installation clearance of fixed subassembly 3 and through-hole 311, when playing waterproof effect, does not need to occupy extra space, can reduce waterproof subassembly 5's space occupation to can be used for arranging electronic equipment's display screen 103 with more spaces, and then promoted electronic equipment's screen ratio.

In some embodiments, the electronic device may further include:

the display screen 103 is disposed at one side of the frame body 100 corresponding to the opening of the accommodating space, where a projection of at least part of the main body 31 on a plane on which the display screen 103 is located on the display screen 103.

Referring to fig. 3 and 4, the electronic device may further include a display screen 103, where the display screen 103 may be a secondary screen disposed on the back of the electronic device. It will be appreciated that the opening in the housing 100 for mounting the mounting assembly 3 is also typically located on the back of the electronic device. Based on this, the display screen 103 is disposed on one side of the frame body 100 corresponding to the opening of the accommodating space (where the fixing component 3 is mounted), where at least part of the projection of the main body 31 on the plane on which the display screen 103 is located on the display screen 103. In other words, after the main body 31 of the fixing assembly 3 is disposed toward the opening of the accommodating space, the second waterproof portion 52 is disposed on the first surface of the main body 31, and at least a portion of the display screen 103 may be disposed above the second waterproof portion 52.

In this way, since the waterproof assembly 5 does not occupy too much space above the fixing assembly 3, the display screen 103 of the electronic device can be arranged above the second waterproof portion 52, so that the display screen 103 can be closer to the edge of the frame 100, and the black edge of the display screen 103 is effectively reduced, so that the screen duty ratio of the electronic device is improved.

In some embodiments, as shown in fig. 1 and fig. 2, two adjacent side walls of the frame 100 are respectively provided with a first opening 101 and a second opening 102 penetrating through the accommodating space, and the fingerprint module may further include a fingerprint body 1, a reinforcing component 2 and a flexible circuit board 4;

the reinforcing component 2 is arranged in the accommodating space, the reinforcing component 2 comprises a first side face, a second side face and a third side face which are sequentially connected, the first side face and the third side face are two opposite side faces, the fingerprint body 1 is positioned on the first side face, and the fingerprint body 1 faces the first opening 101;

the flexible circuit board 4 comprises a first part 41 and a second part 42 which are sequentially connected, the first part 41 is connected with the fingerprint body 1, the first part 41 is arranged on the first side surface, the second side surface and the third side surface, and the second part 42 penetrates through the through hole 311 and extends out of the accommodating space;

the main body 31 faces the second opening 102, the first waterproof portion 51 abuts against the inner wall of the frame body 100 at the second opening 102, and the limiting portion 32 is disposed in a limiting manner with the reinforcing component 2, so as to fix the fingerprint module in the accommodating space.

As shown in fig. 1, the electronic device may include a housing 100, the housing 100 may have two adjacent sidewalls, the first opening 101 and the second opening 102 may be respectively opened on the two sidewalls, and the first opening 101 and the second opening 102 may be communicated with an accommodating space of the housing 100. The fingerprint module may be mounted in the receiving space of the frame 100 through the first opening 101 and the second opening 102. Wherein the fingerprint body 1 may be fixed towards the first opening 101 and the component 34 may be fixed towards the second opening 102.

The fingerprint body 1 may be a contact array (LGA), which may include a fingerprint identification chip. The reinforcement assembly 2 may include a first side, a second side, and a third side, wherein the first side is opposite the third side, and the second side may connect the first side and the third side. The fingerprint body 1 can be located the first side of reinforcement subassembly 2, and reinforcement subassembly 2 can provide intensity for fingerprint body 1, prevents that the user from damaging fingerprint identification chip when pressing this fingerprint body 1 from appearing, causes the problem of functional failure.

The flexible circuit board 43 may include a first portion 4131 and a second portion 4232, wherein the first portion 4131 may be disposed on the first side, the second side, and the third side of the stiffening assembly 22, such that the stiffening assembly 22 may also function to support the flexible circuit board 43. The first portion 4131 may also be connected to the fingerprint body 11, which may be mainly connected to the fingerprint recognition chip to realize the fingerprint recognition function. One end of the second portion 4232 is connected to the first portion 4131, and the other end may protrude from the receiving space through the through hole 311.

The first waterproof portion 51 may abut against the inner wall of the frame 100 at the second opening 102, and is used for sealing and fixing the gap between the assembly 3 and the frame 100, so as to play a role in waterproof. The limiting part 32 is arranged in a limiting way with the reinforcing component 2 so as to fix the fingerprint module in the accommodating space.

In some embodiments, the fingerprint module may further include:

a board-to-board connector 6 connected to an end of the second portion 42 facing away from the first portion 41;

wherein the smallest opening area of the through hole 311 is larger than the largest cross-sectional area of the board-to-board connector 6 on a first plane parallel to the plane of the connection of the board-to-board connector 6 and the second portion 42.

In this embodiment, the board-to-board connector 6 may be connected to the end of the second portion 42 of the flexible circuit board 4 facing away from the first portion 41, and it is understood that the cross-sectional area of the board-to-board connector 6 is generally larger than the cross-sectional area of the flexible circuit board 4, and based on this, the minimum opening area of the through hole 311 may be larger than the maximum cross-sectional area of the board-to-board connector 6 on the first plane for the second portion 42 to pass through the through hole 311 smoothly. Wherein the first plane is parallel to the plane of the connection of the board-to-board connector 6 and the second portion 42. In this way, the board-to-board connector 6 can pass through the through hole 311, so that the second portion 42 can pass through the through hole 311.

In some embodiments, the securing assembly 3 may further comprise:

the fixing portion 33 is disposed in a limiting manner with the through hole 311 to fix the second portion 42.

In this embodiment, as mentioned above, the smallest opening area of the through hole 311 is generally larger than the sectional area of the second portion 42, so as to avoid the situation that the second portion 42 moves at the through hole 311 when the user presses the fingerprint body 1, and the flexible circuit board 4 breaks in the past, as shown in fig. 1 and 2, the fixing component 3 may further include a fixing portion 33. The fixing may not be disposed in a limit with the through hole 311 to fix the second portion 42.

It is to be understood that, to further protect the flexible circuit board 4, the fixing portion 33 may be made of an elastic material, for example, the fixing portion 33 may be a silica gel block.

It is further understood that the fixing portion 33 may be disposed in a manner of being clamped with the through hole 311. For example, the opening area of the through hole 311 on the first surface may be larger than the opening area of the through hole 311 on the second surface, and the fixing portion 33 may be matched with the shape of the through hole 311, that is, the fixing portion 33 may be wedge-shaped and be disposed in cooperation with the through hole 311, so as to fix the second portion 42.

In some embodiments, the first surface is provided with a recess 312, the recess 312 being located at a side of the through hole 311 facing away from the first opening 101, wherein at least part of the second portion 42 is located at the recess 312.

In this embodiment, as shown in fig. 1 and 2, the first surface is provided with a recess 312 on a side of the through hole 311 facing away from the first opening 101, and the recess 312 may be used for placing the second portion 42 passing through the through hole 311. In this way, after the second portion 42 passes through the through hole 311, a gap for placing the second portion 42 can be formed between the first surface and the second waterproof portion 52 by the recess 312, so that the second waterproof portion 52 is prevented from directly making close contact with the second portion 42, and the risk that the flexible circuit board 4 is damaged due to the arrangement of the second waterproof portion 52 can be reduced.

In some embodiments, the fingerprint module may further include:

the power supply dome 7 is arranged in the accommodating space, the power supply dome 7 is arranged on the third side surface, and the power supply dome 7 is connected with the first part 41 attached to the third side surface.

It will be appreciated that in order to reduce the openings in the housing 100, the fingerprint recognition function and the power switch function of the electronic device may be integrated into one key. Based on this, in this embodiment, as shown in fig. 1, the fingerprint module may further include a power dome 7, where the power dome 7 may be located on the third side of the reinforcing component 2 and connected to the first portion 41.

Thus, on the one hand, the fingerprint identification function and the power switch function of the electronic equipment can be integrated together, namely, when the fingerprint body 1 is pressed, the electronic equipment can be opened and simultaneously the fingerprint identification is carried out to unlock the electronic equipment, so that the operation of a user is effectively reduced, the convenience of using the electronic equipment is improved, the holes in the frame body 100 are reduced, and the waterproof and dustproof performances of the electronic equipment are improved. On the other hand, the power pot dome 7 and the fingerprint body 1 can share the flexible circuit board 4, so that the assembly complexity can be reduced, the space utilization rate of the whole machine main board is improved, and meanwhile, the cost is reduced.

In some embodiments, the fingerprint module may further include:

the elastic sheet 8, the elastic sheet 8 is set up in accommodation space, and the elastic sheet 8 is just set up with the power pot young piece 7.

In this embodiment, as shown in fig. 1, the fingerprint module may further include an elastic sheet 8, where the elastic sheet 8 may be opposite to the power dome 7, so that when the user presses the fingerprint body 1 and then implements the power switch function, the elastic sheet 8 may effectively improve the pressing feel. For example, the elastic sheet 8 may be made of thermoplastic polyurethane elastomer rubber (Thermoplastic polyurethanes, TPU), the elastic sheet 8 may be embedded in the accommodating space of the frame body 100 by means of glue or the like, then the flexible circuit board 4 may be penetrated through the first opening 101 on the frame body 100, the power dome 7 is also installed in the accommodating space, and the position corresponds to the position of the elastic sheet 8, so as to increase the resilience of the power dome 7 and improve the pressing feel.

In some embodiments, the main body 31 may be a plastic main body 31, the limiting portion 32 may be a metal insert, and the reinforcing component 2 is provided with a slot 21, and the metal insert is located in the slot 21.

In this embodiment, the fixing member 3 may be a latch. It will be appreciated that an antenna assembly is provided in an electronic device for receiving or transmitting signals, and that metals typically have a negative impact on the antenna assembly in an electronic device.

Based on this, in order to increase the clearance of the antenna assembly of the electronic device and avoid the problem that the latch is easily broken, as shown in fig. 1 and 2, the fixing assembly 3 may include a plastic body 31 (i.e., the body 31) and a metal insert (i.e., the limit portion 32). Wherein, plastic main part 31 and metal insert can be in the same place through mode such as moulding plastics, and the metal insert can be located slotted hole 21, realizes fixed subassembly 3 and reinforcement subassembly 2 spacing cooperation to play the effect of fixing in the accommodation space of casing with the fingerprint module.

In some embodiments, the junction of the first side and the second side, and the junction of the second side and the third side are provided with a bevel 22, wherein the bevel 22 is in clearance with the first portion 41.

As shown in fig. 5, the corners of the stiffening component 2 (i.e. the connection of the first side to the second side and the connection of the second side to the third side) may be provided with a bevel 22, which bevel 22 is in a gap with the first portion 41, in other words the first portion 41 is not in contact with the bevel 22. It can be appreciated that, in general, the stress at the corner is more concentrated than that at other positions, and by providing the inclined surface 22, the present embodiment can effectively reduce the stress to which the first portion 41 is subjected at the corner of the reinforcing component 2, so as to avoid the problem that the flexible circuit board 4 is damaged and the fingerprint module is disabled.

In some embodiments, the stiffening component 2 may comprise:

a metal reinforcement 23, wherein the metal reinforcement 23 is arranged at one side close to the fingerprint body 1;

the flexible circuit board reinforcement 24, the flexible circuit board reinforcement 24 sets up in the one side that deviates from this body of fingerprint of metal reinforcement 23.

It will be appreciated that, based on the strength requirements of the fingerprint body 1, the portion of the reinforcing member 2 that provides support for the fingerprint body 1 is typically made of a metal material. Based on this, as shown in fig. 5, the reinforcing component 2 in the present embodiment may include a metal reinforcement 23 and a flexible circuit board reinforcement 24, wherein the metal reinforcement 23 is disposed at a side close to the fingerprint body 1 to provide sufficient supporting strength for the fingerprint body 1. The flexible circuit board reinforcement 24 may be disposed on a side of the metal reinforcement 23 facing away from the fingerprint body 1, and mainly provides a supporting force for the flexible circuit board 4, and may be made of a metal material, or may be made of other materials with higher hardness, such as rubber, plastic, etc., which is not particularly limited herein.

In some examples, the flexible circuit board reinforcement 24 is made of FR-4 material. The metal can negatively impact the antenna assembly in the electronic device, based on which the flexible circuit board reinforcement 24 can be made of FR-4 material, which on the one hand can increase the headroom of the antenna assembly and on the other hand can reduce the weight of the fingerprint module.

Other components of the electronic device according to the embodiment of the present utility model, such as an image capturing module, a power module, etc., and operations thereof are known to those of ordinary skill in the art, and will not be described in detail herein.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (12)

1. An electronic device, comprising:

a frame body having an open accommodation space;

the fingerprint module is arranged in the accommodating space;

waterproof subassembly, including first waterproof portion and second waterproof portion, first waterproof portion follow the circumference of fingerprint module set up in fingerprint module side, and with the framework inner wall butt of accommodation space opening part, the second waterproof portion set up in the fingerprint module expose in accommodation space's surface.

2. The electronic device of claim 1, wherein the fingerprint module comprises:

the fixing assembly is arranged in the accommodating space and comprises a main body and a limiting part, the main body comprises a first surface, a second surface and a side wall, the first surface is opposite to the second surface, the side wall is enclosed between the first surface and the second surface, a through hole is formed in the main body and penetrates through the first surface and the second surface, the main body faces the opening of the accommodating space, the limiting part is connected with the second surface, and the limiting part is used for fixing the fingerprint module in the accommodating space;

the first waterproof part is arranged on the side wall along the circumferential direction of the main body and is abutted to the inner wall of the frame body at the opening of the accommodating space, and the second waterproof part is arranged on the first surface and seals the through hole.

3. The electronic device of claim 2, wherein the electronic device further comprises:

the display screen is arranged on one side of the frame body corresponding to the opening of the accommodating space, and at least part of the projection of the main body on the plane where the display screen is located is positioned on the display screen.

4. The electronic device of claim 2, wherein two adjacent side walls of the frame body are respectively provided with a first opening and a second opening penetrating the accommodating space, and the fingerprint module further comprises:

a fingerprint body;

the reinforcing component is arranged in the accommodating space and comprises a first side face, a second side face and a third side face which are sequentially connected, the first side face and the third side face are two opposite side faces, the fingerprint body is positioned on the first side face, and the fingerprint body faces the first opening;

the flexible circuit board comprises a first part and a second part which are sequentially connected, the first part is connected with the fingerprint body, the first part is arranged on the first side face, the second side face and the third side face, and the second part penetrates through the through hole and extends out of the accommodating space;

the main body faces the second opening, the first waterproof part is abutted to the inner wall of the frame body at the second opening, and the limiting part is in limiting arrangement with the reinforcing component, so that the fingerprint module is fixed in the accommodating space.

5. The electronic device of claim 4, wherein the fingerprint module further comprises:

a board-to-board connector connected to an end of the second portion facing away from the first portion;

the minimum opening area of the through hole is larger than the maximum cross-sectional area of the board-to-board connector on a first plane, and the first plane is parallel to the plane of the connection part of the board-to-board connector and the second part.

6. The electronic device of claim 5, wherein the securing assembly further comprises:

and the fixing part is in limit setting with the through hole so as to fix the second part.

7. The electronic device of claim 4, wherein the first surface is provided with a recess on a side of the through hole facing away from the first opening, wherein at least a portion of the second portion is disposed in the recess.

8. The electronic device of claim 4, wherein the fingerprint module further comprises:

the power supply dome is arranged in the accommodating space, is arranged on the third side face and is connected with the first part attached to the third side face.

9. The electronic device of claim 8, wherein the fingerprint module further comprises:

the elastic piece is arranged in the accommodating space, and the elastic piece and the power supply dome piece are opposite to each other.

10. The electronic device of claim 4, wherein the main body is a plastic main body, the limiting portion is a metal insert, the reinforcing component is provided with a slot, and the metal insert is located in the slot.

11. The electronic device of claim 1, wherein the second waterproof portion comprises:

the waterproof foam is arranged on the surface of the fingerprint module exposed out of the accommodating space;

the metal sheet is arranged on one side, away from the fingerprint module, of the waterproof foam, and the metal sheet is connected with the frame body.

12. The electronic device of claim 1, wherein the first waterproof portion is a silicone ring.