Pressure sensing module, key and electronic equipment

Abstract

The invention provides a pressure sensing module which is installed in an installation groove of a shell, the pressure sensing module comprises a positioning frame, a connecting assembly and a pressure sensing piece, and the positioning frame is detachably connected to the installation groove in a clamped mode; the connecting assembly is connected to the positioning frame, and the pressure sensing piece is connected to the connecting assembly. The invention further provides a key provided with the pressure sensing module and electronic equipment.

Description

Technical Field

[0001] The present invention relates to the field of electronic components, and in particular to a pressure sensing module that is easy to install, a key provided with the pressure sensing module, and an electronic device provided with the key. Background Art

[0002] With the development of electronic devices, some electronic devices have adopted pressure-sensing buttons to realize corresponding functions. The pressure-sensing buttons in the related art have high sensitivity and accuracy. Specifically, the pressure-sensing button includes a pressure-sensing module and a button body. The pressure-sensing module is arranged in the housing of the electronic device. The surface of the housing is provided with an opening. The button body is accommodated in the opening. One side of the button body is connected to the pressure-sensing module, and the other side of the button body is exposed to the surface of the housing. The user can directly press the button body to transfer the pressing force to the pressure-sensing module, so that the pressure-sensing button has the characteristics of high sensitivity and high accuracy. However, the structure of the pressure-sensing button in the related art is relatively complicated and inconvenient to install. Summary of the invention

[0003] The present application provides a pressure sensing module, a key provided with the pressure sensing module, and an electronic device provided with the key.

[0004] A pressure sensing module provided in the present application is installed in an installation slot of a shell, and the pressure sensing module includes a positioning frame, a connecting component and a pressure sensing component. The positioning frame is detachably clamped in the installation slot; the connecting component is connected to the positioning frame, and the pressure sensing component is connected to the connecting component.

[0005] The present application also provides a button, which is installed on a shell, and the shell is provided with a mounting hole and a mounting slot that are interconnected. The button includes a pressure sensing module and a pressing component, and the pressure sensing module includes a positioning frame, a connecting component and a pressure sensing component. The positioning frame is detachably clamped in the mounting slot; the connecting component is connected to the positioning frame, the pressure sensing component is connected to the connecting component, the pressure sensing module is arranged in the mounting slot, the pressing component is arranged in the mounting hole, and the pressing component is connected to the pressure sensing module.

[0006] The present application also provides an electronic device, which includes a button and a shell, wherein the button is installed on the shell, and the shell is provided with a mounting hole and a mounting slot that are interconnected, the button includes a pressure sensing module and a pressing component, the pressure sensing module includes a positioning frame, a connecting component and a pressure sensing part, the positioning frame is detachably clamped in the mounting slot; the connecting component is connected to the positioning frame, the pressure sensing part is connected to the connecting component, the pressure sensing module is arranged in the mounting slot, the pressing component is arranged in the mounting hole, and the pressing component is connected to the pressure sensing module.

[0007] The pressure sensing module of the key of the electronic device of the present invention is detachably connected to the mounting groove of the shell through the positioning frame, so that the pressure sensing module can be conveniently installed on the shell, and the pressure sensing module has a simple structure and low manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the implementation. Obviously, the drawings described below are some implementations of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0009] Figure 1 is a schematic diagram of a three-dimensional structure of an electronic device in one embodiment of the present application;

[0010] Figure 2 yes Figure 1 A schematic diagram of the three-dimensional structure of the electronic device in FIG.

[0011] Figure 3 yes Figure 2 A schematic diagram of a three-dimensional structure explosion of the main body of the electronic device;

[0012] Figure 4 yes Figure 3 A schematic diagram of a three-dimensional structure of the subject from another perspective;

[0013] Figure 5 yes Figure 3 An enlarged view of the local structure of the shell;

[0014] Figure 6 yes Figure 5 A three-dimensional cross-sectional view of a shell in FIG.

[0015] Figure 7 yes Figure 5 Another perspective cross-sectional view of the housing in FIG.

[0016] Figure 8 yes Figure 3 A magnified image of the pressure sensing module;

[0017] Fig. 9 yes Figure 8 A schematic diagram of a three-dimensional structure of the pressure sensing module from another perspective;

[0018] Fig.10 yes Figure 8 A schematic diagram of the three-dimensional structure of the pressure sensing module;

[0019] Fig.11 yes Fig. 9 A schematic diagram of the three-dimensional structure of the pressure sensing module;

[0020] Fig.12 yes Fig.10 A further schematic diagram of the three-dimensional structure decomposition of the pressure sensing module;

[0021] Fig.13 yes Fig.11 A further schematic diagram of the three-dimensional structure decomposition of the pressure sensing module;

[0022] Fig.14 yes Figure 8 A schematic diagram of the front structure of the pressure sensing module;

[0023] Fig.15 yes Fig. 9 One of the three-dimensional cross-sectional views of the pressure sensing module;

[0024] Fig.16 yes Figure 8 One of the three-dimensional cross-sectional views of the pressure sensing module;

[0025] Fig.17 yes Figure 3 A magnified view of the three-dimensional structure of the waterproof frame;

[0026] Fig.18 yes Fig.17 A schematic diagram of the three-dimensional structure of the waterproof frame from another perspective;

[0027] Fig.19 yes Fig.17 A schematic diagram of the three-dimensional structure of the waterproof frame;

[0028] Fig. 20 yes Fig.18 A schematic diagram of the exploded three-dimensional structure of the waterproof frame;

[0029] Fig.21 yes Figure 2 A partial enlarged view of the three-dimensional structure of the subject from another perspective;

[0030] Fig. 22 yes Fig.21A schematic diagram of the three-dimensional structure of the housing and the cable management assembly;

[0031] Fig.23 yes Fig. 22 A further three-dimensional structural exploded diagram of the housing and the cable management assembly;

[0032] Fig.24 yes Fig.23 A schematic diagram of a three-dimensional structure of the cable management component from another perspective;

[0033] Fig.25 yes Figure 3 A magnified three-dimensional structure diagram of the pressing mechanism;

[0034] Fig.26 yes Fig.25 A schematic diagram of a three-dimensional structure of the pressing mechanism from another perspective;

[0035] Fig. 27 yes Fig.25 A schematic diagram of a three-dimensional structure decomposition of a pressing mechanism;

[0036] Fig.28 yes Fig.26 A schematic diagram of a three-dimensional structure decomposition of a pressing mechanism;

[0037] Fig.29 yes Fig. 27 A three-dimensional cross-sectional view of a pressing mechanism in FIG.

[0038] Fig.30 yes Fig.25 A cross-sectional view along line XXX-XXX;

[0039] Fig.31 yes Fig.25 A cross-sectional view along line XXXI-XXXI;

[0040] Fig.32 yes Figure 2 A partial front view of a main body of an electronic device;

[0041] Fig.33 yes Figure 2 A partial back schematic diagram of a main body of an electronic device;

[0042] Fig.34 yes Figure 1 A partial three-dimensional cross-sectional view of an electronic device;

[0043] Fig.35 yes Fig.34 A cross-sectional view of an electronic device in FIG.

[0044] Fig.36 yes Figure 2A partial three-dimensional cross-sectional view of a main body of an electronic device;

[0045] Fig.37 yes Fig.36 A cross-sectional view of an electronic device in FIG.

[0046] Fig.38 yes Figure 2 Another partial perspective cutaway view of the main body of the electronic device;

[0047] Fig.39 yes Fig.38 A cross-sectional view of an electronic device in FIG.

[0048] Fig.40 yes Figure 2 Another partial perspective cutaway view of the main body of the electronic device in FIG.

[0049] Fig.41 yes Fig.40 A cross-sectional view of an electronic device in FIG.

[0050] Fig.42 yes Figure 2 Another partial three-dimensional cross-sectional view of the main body of the electronic device;

[0051] Fig.43 yes Fig.42 A cross-sectional view of an electronic device in FIG.

[0052] Main markings:

[0053] 100, electronic device; 20, main body; 30, display screen; 40, housing; 401, front; 403, back; 405, side; 406, end face; 407, installation space; 408, support block; 42, main board; 44, battery; 45, installation hole; 47, installation slot; 471, first inner side; 472, second inner side; 4722, first avoidance slot; 4724, overflow glue slot; 4726, avoidance port; 474, inner end face; 4742, snap-in slot; 476, bottom; 4762, second avoidance slot; 47 64, strip groove; 48, through hole; 482, snap-fit ​​platform; 484, avoidance gap; 50, button; 60, pressure sensing module; 62, positioning frame; 621, positioning plate; 622, receiving space; 623, elastic clamping part; 6231, elastic plate; 6233, clamping plate; 6234, interval; 6235, top protrusion; 64, connecting component; 642, fixing plate; 644, connecting plate; 645, avoidance space; 646, pressing plate; 6462, receiving groove; 6464, push block; 647, hot pressing adhesive; 65 , flexible circuit board; 651, first section; 653, second section; 6532, first strip; 6534, second strip; 6535, bending portion; 655, bending section; 67, pressure sensing element; 70, waterproof mechanism; 72, waterproof frame; 721, support portion; 723, positioning groove; 724, clamping block; 725, stop portion; 726, connecting portion; 7262, first positioning strip; 7264, second positioning strip; 727, avoidance space; 74, first waterproof member; 76, second waterproof member; 762, waterproof ring; 76 4. Notch; 80. Cable management assembly; 82. Cable management rack; 822. Strip block; 823. Snap-fit ​​block; 824. Stopper; 84. Third waterproof component; 90. Press assembly; 92. Key body; 921. Outer side surface; 922. Positioning ring groove; 923. Inner side surface; 925. Outer peripheral surface; 926. Hook; 9262. Connecting strip; 9264. Stopper strip; 927. Hook groove; 94. Sealing ring; 942. Ring body; 944. Sealing rib; 945. Guide surface; 946. Dust-blocking surface; 947. Dust collecting groove; 96. Adhesive backing. DETAILED DESCRIPTION

[0054] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0055] In addition, the following descriptions of the various embodiments are made with reference to the attached drawings to illustrate specific embodiments that the present application may be implemented in. Directional terms mentioned in the present application, such as "upper", "lower", "front", "back", "left", "right", "inner", "outer", "side", etc., are only with reference to the directions of the attached drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the present application, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0056] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set on..." should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0057] Please also read Figures 1 to 4 An electronic device 100 in one embodiment of the present invention includes a main body 20 and a display screen 30. The main body 20 includes a shell 40 and a button 50 installed on the shell 40. The shell 40 is provided with electronic components such as a motherboard 42 and a battery 44. The display screen 30 is arranged on the front of the shell 40. The display screen 30, the button 50 and the battery 44 are electrically connected to the main board 42. The battery 44 provides power for the main board 42, the display screen 30 and the button 50. The shell 40 is provided with a folded mounting hole 45 and a mounting groove 47 that are interconnected. The button 50 includes a pressure sensing module 60, a waterproof mechanism 70, a wire management component 80 and a pressing component 90. The pressure sensing module 60 is arranged in the mounting groove 47, the pressing component 90 is arranged in the mounting hole 45, and the pressing component 90 is connected to the pressure sensing module 60.

[0058] like Figure 3 and Figure 7-Figure 11As shown, the pressure sensing module 60 includes a positioning frame 62, a connecting component 64, a flexible circuit board 65 and a pressure sensing element 67. The flexible circuit board 65 is electrically connected to the main board 42. The pressure sensing element 67 is arranged on the flexible circuit board 65. The positioning frame 62 is detachably clamped in the mounting slot 47. The pressure sensing element 67 is connected to the connecting component 64. The connecting component 64 is connected to the positioning frame 62, that is, the pressure sensing element 67 and the flexible circuit board 65 are connected to the positioning frame 62 through the connecting component 64. The pressing component 90 is accommodated in the mounting hole 45 and the pressing component 90 is connected to the connecting component 64. The side of the pressing component 90 away from the connecting component 64 is exposed to the outer surface of the housing 40. When the part of the pressing component 90 exposed to the outer surface of the housing 40 is pressed by the user, the pressure sensing element 67 can sense the micro deformation of the elastic sheet in the connecting component 64, and then generate a corresponding electrical signal to realize feedback of the user's pressing.

[0059] It can be understood that the front side refers to the side facing the same direction as the light-emitting side of the display screen 30, and the back side refers to the side facing away from the light-emitting side of the display screen 30; the electronic device 100 can be a mobile phone, a tablet or a computer, etc., or it can be other electronic products that need to be set with buttons. Electronic devices such as speakers, receivers, cameras, etc. can also be placed in the shell 40. The "connection" in the description of the embodiment of the present invention includes two situations: direct connection and indirect connection. For example, the connection between A and B includes A and B being directly connected or connected through a third element C or more other elements. The connection also includes two situations: integrated connection and non-integrated connection. The integrated connection means that A and B are formed and connected as one, and the non-integrated connection means that A and B are formed and connected as a non-integrated.

[0060] The pressure sensing module 60 of the key 50 of the electronic device 100 of the present invention is detachably connected to the installation slot 47 of the shell 40 through the positioning frame 62, so that the pressure sensing module 60 can be easily installed in the shell 40, and the pressure sensing module 60 has a simple structure and low manufacturing cost.

[0061] like Figure 3-Figure 6As shown, the housing 40 includes a front surface 401, a back surface 403, two opposite side surfaces 405 and two opposite end surfaces 406, the mounting hole 45 is provided on the outer peripheral surface of the housing 40, and the mounting groove 47 is provided on the front surface 401 of the housing 40; in this embodiment, the mounting hole 45 is a strip-shaped hole located on one of the side surfaces 405 of the housing 40, the mounting groove 47 is located on a side close to the mounting hole 45, and the length direction of the mounting hole 45 and the length direction of the mounting groove 47 are both parallel to the length direction of the side surface 405. In other embodiments, the mounting hole 45 is provided on one of the end surfaces 406 of the housing 40, the mounting groove 47 is provided on the front surface 401 or the back surface 403 of the housing 40, and the length direction of the mounting hole 45 and the length direction of the mounting groove 47 are both parallel to the length direction of the end surface 406. The mounting groove 47 has a first inner side surface 471, a second inner side surface 472, two opposite inner end surfaces 474, and a bottom surface 476. The first inner side surface 471 is opposite to the second inner side surface 472. The first inner side surface 471 is closer to the mounting hole 45 than the second inner side surface 472. The first inner side surface 471, the second inner side surface 472, the two inner end surfaces 474 and the bottom surface 476 form the mounting groove 47. The mounting hole 45 passes through the first inner side surface 471 to connect to the mounting groove 47. A snap-fit ​​groove 4742 is provided on the inner end surface 474, and a first avoidance groove 4722 is provided on the second inner side surface 472, preferably, the first avoidance groove 4722 is located in the middle of the second inner side surface 472; a second avoidance groove 4762 is provided on the bottom surface 476 of the installation groove 47, preferably, the second avoidance groove 4762 is located in the middle of the bottom surface 476, and the first avoidance groove 4722 is connected to the second avoidance groove 4762; a glue overflow groove 4724 is provided on the front surface 401 near the middle of the second inner side surface 472, and the first avoidance groove 4722 is connected to the glue overflow groove 4724. Optionally, a position avoidance opening 4726 is provided on the front surface 401 near the middle of the installation groove 47, and the glue overflow groove 4724 is connected to the position avoidance opening 4726. Optionally, the bottom surface 476 of the mounting groove 47 is provided with a strip groove 4764, the length direction of the strip groove 4764 is parallel to the length direction of the mounting groove 47, and the strip groove 4764 is connected to the second avoidance groove 4762. A through hole 48 is provided on the housing 40 near the mounting groove 47, and one end of the flexible circuit board 65 away from the connecting component 64 is passed through the through hole 48; in this embodiment, the through hole 48 is a rectangular hole provided on the front surface 401, and the opposite two end surfaces of the through hole 48 are respectively provided with a snap-fit ​​platform 482; the housing 40 is provided with an avoidance notch 484 on the inner circumferential surface of the through hole 48. In this embodiment, the avoidance notch 484 is located on the inner side surface away from the mounting groove 47, and the opposite two ends of the avoidance notch 484 pass through the front and back of the housing 40.

[0062] like Figure 5 and Figure 8-Figure 13As shown, the positioning frame 62 includes a positioning plate 621 and two elastic clamping parts 623 arranged at opposite ends of the positioning plate 621, and the connecting component 64 is connected to the positioning plate 621, and the connecting component 64 is located between the two elastic clamping parts 623, and the two elastic clamping parts 623 are used to respectively clamp to the first inner side surface 471 and the second inner side surface 472 of the mounting groove of the shell; the positioning frame 62 is made of elastic material, and the elastic material can be but is not limited to an elastic metal sheet or an elastic plastic sheet, etc.; in this embodiment, the positioning plate 621 is a rectangular plate, and the two elastic clamping parts 623 are respectively arranged at opposite ends of the rectangular plate; the positioning frame 62 is made by bending an elastic metal sheet. Optionally, the two elastic clamping parts 623 are located on the same side of the positioning plate 621, the positioning plate 621 and the two elastic clamping parts 623 enclose a receiving space 622, and the connecting assembly 64 is accommodated in the receiving space 622; the elastic clamping part 623 includes an elastic plate 6231 and a clamping plate 6233 connected to the elastic plate 6231, one end of the elastic plate 6231 away from the clamping plate 6233 is connected to the positioning plate 621, and the elastic plate 6231 has an elastic force that drives the clamping plate 6233 to press against the first inner side surface 471. The elastic plate 6231 is an elastic bending plate, one end of which is connected to the positioning plate 621, and the other end of which is connected to the clamping plate 6233, and a gap 6234 is provided between the clamping plate 6233 and the positioning plate 621. The elastic plate 6231 may be, but is not limited to, a U-shaped plate, a C-shaped plate, an arc-shaped plate, etc. In this embodiment, the elastic plate 6231 is a U-shaped plate, and the clamping plate 6233 is parallel to the positioning plate 621 .

[0063] Optionally, at least one abutting protrusion 6235 is provided on the surface of the clamping plate 6233 facing away from the positioning plate 621, and the abutting protrusion 6235 is used to abut against the first inner side surface 471 or the second inner side surface 472 of the mounting groove 47. In this embodiment, the abutting protrusion 6235 is a circular convex bump located in the middle of the clamping plate 6233. In other embodiments, two or more abutting protrusions 6235 are provided on the surface of the clamping plate 6233 facing away from the positioning plate 621.

[0064] like Figure 8-Figure 13As shown, the connecting assembly 64 includes a fixing piece 642, an elastic connecting piece 644 and a pressing piece 646. The fixing piece 642 is connected to the positioning plate 621. The connecting piece 644 is connected to the side of the fixing piece 642 away from the positioning plate 621. There is an escape space 645 between the end of the connecting piece 644 and the positioning plate 621. The pressure sensing element 67 is connected to one side of the connecting piece 644. The end of the connecting piece 644 can be elastically deformed toward the escape space 645. The pressure sensing element 67 is used to sense the elastic deformation of the connecting piece 644. Preferably, the fixing piece 642 is fixedly connected to the middle part of the positioning plate 621. The middle part of the connecting piece 644 is fixedly connected to the middle part of the side of the fixing piece 642 away from the positioning plate 621. The opposite ends of the connecting piece 644 extend out of the opposite ends of the fixing piece 642 respectively. There is an escape space 645 between the opposite ends of the connecting piece 644 and the positioning plate 621 respectively. In this embodiment, the fixing sheet 642 and the connecting sheet 644 are both rectangular sheets, the length of the connecting sheet 644 is less than the length of the positioning plate 621, and the length of the fixing sheet 642 is less than the length of the connecting sheet 644; when the fixing sheet 642 is connected to the middle of the positioning plate 621, and the connecting sheet 644 is connected to the middle of the fixing sheet 642, the length directions of the positioning plate 621, the fixing sheet 642 and the connecting sheet 644 are consistent, and the opposite ends of the connecting sheet 644 extend out of the opposite ends of the fixing sheet 642, so that the opposite ends of the connecting sheet 644 and the positioning plate 621 form a evacuation space 645. Optionally, the pressure sensing element 67 is connected to the side of the connecting sheet 644 away from the fixing sheet 642 by means of a hot pressing adhesive 647.

[0065] Optionally, the pressing sheet 646 is connected to the side of the connecting sheet 644 away from the fixing sheet 642, and the pressure sensing element 67 is located between the pressing sheet 646 and the connecting sheet 644. The pressing sheet 646 is used to push the end of the connecting sheet 644 to elastically deform the connecting sheet 644. A receiving groove 6462 is provided in the middle of the side of the pressing sheet 646 facing the connecting sheet 644, and the pressure sensing element 67 is accommodated in the receiving groove 6462. Specifically, the opposite ends of the receiving groove 6462 extend to the opposite ends close to the pressing piece 646, and the opposite sides of the receiving groove 6462 pass through the opposite side surfaces of the pressing piece 646 respectively; the pressing piece 646 is provided with push blocks 6464 at the opposite ends of the receiving groove 6462, and the two push blocks 6464 are respectively pressed against the opposite ends of the connecting piece 644; the two push blocks 6464 are used to respectively press against the opposite ends of the connecting piece 644, so that the opposite ends of the connecting piece 644 can be elastically deformed, and the pressure sensing component 67 can sense the elastic deformation of the connecting piece 644.

[0066] The flexible circuit board 65 includes a first section 651, a second section 653, and a curved section 655 connected between the first section 651 and the second section 653. The pressure sensing element 67 is disposed on the first section 651. A connector 656 is disposed at one end of the second section 653 away from the first section 651. The connector 656 is used to be plugged into the connector of the main board 42. That is, the flexible circuit board 65 is connected to the main board 42 through the BTB, so that the pressure sensing element 67 is electrically connected to the processor of the main board 42. In this embodiment, the first section 651 is a strip-shaped sheet, the second section 653 is an L-shaped sheet, and the curved section 655 is U-shaped. The first section 651 is connected to the side of the connecting sheet 644 through hot pressing adhesive, one end of the curved section 655 is connected to the middle of one side of the first section 651, and the other end of the curved section 655 is connected to one side of the second section 653. The second section 653 includes a first strip piece 6532 and a second strip piece 6534. One end of the first strip piece 6532 is connected to one end of the second strip piece 6534. One end of the second strip piece 6534 close to the first strip piece 6532 is provided with a bent portion 6535. The connector 656 is provided at one end of the second strip piece 6534 away from the first strip piece 6532. In this embodiment, the pressure sensing element 67 is a pressure sensing ink printed on the surface of the first section 651.

[0067] like Figure 8-Figure 16As shown, when assembling the pressure sensing module 60, the first section 651 is connected to the side of the connecting piece 644 through the hot pressing adhesive 647, and the connecting piece 644 is located in the inner cavity of the bent section 655; the two push blocks 6464 of the pressing piece 646 are respectively attached to the opposite ends of the connecting piece 644, specifically, the opposite sides of the push blocks 6464 are respectively welded to the opposite sides of the connecting piece 644 through the first welding points 6466, and the first section 651 and the pressure sensing element 67 are accommodated in the receiving groove 6462, and the pressing piece 646 and the connecting piece 644 are respectively located on the opposite sides of the first section 651, and the push blocks 6464 and the connecting piece 644 can protect the first section 651 of the flexible circuit board 65 and the pressure sensing element 67; the fixing piece 642 is accommodated in the receiving space 622 of the positioning frame 62, and the fixing piece 642 is fixed to the receiving space 622 of the positioning frame 62. The fixed plate 642 is fixedly connected to the middle part of the positioning plate 621, specifically, the opposite sides of the fixed plate 642 are welded to the opposite sides of the positioning plate 621 by second welding points 6422 respectively; the positioning plate 621 and the fixed plate 642 are accommodated in the inner cavity of the curved section 655, and the side of the fixed plate 642 facing away from the positioning plate 621 is fixed to the middle part of the connecting plate 644, specifically, the opposite sides of the fixed plate 642 are welded to the opposite sides of the connecting plate 644 by second welding points 6422 respectively; so that there are avoidance spaces 645 between the opposite ends of the connecting plate 644 and the positioning plate 621 respectively, so that the end of the connecting plate 644 has a certain deformation space, and the connecting plate 644 is not deformed too much to yield and cannot rebound, and the depth of the avoidance space 645 depends on the thickness of the fixed plate 642. The second section 653 is bent toward a side away from the first section 651 and covers one side of the positioning plate 621 . One end of the bent section 655 close to the second section 653 is connected to the positioning plate 621 via a pressure-sensitive adhesive to avoid poor assembly due to position changes.

[0068] Optionally, the outer surface of the pressure sensing module 60 is covered with a waterproof coating, specifically, the outer surfaces of the positioning frame 62 and the connecting component 64 are covered with a waterproof coating, and the thickness of the waterproof coating is 10μm-20μm. It is understandable that the thickness of the waterproof coating can be but is not limited to 10μm, 12μm, 14μm, 15μm, 16μm, 16.5μm, 18μm, 18.7μm, 19.2μm or 20μm, etc.

[0069] Please also read Figure 3-Figure 5 and Figure 17-Figure 20The waterproof mechanism 70 includes a waterproof frame 72, a first waterproof component 74 and a second waterproof component 76. The waterproof frame 72 includes a support portion 721, and the support portion 721 is accommodated in the mounting groove 47. The first waterproof component 74 covers the support portion 721, that is, the first waterproof component 74 is located on the side of the support portion 721 away from the pressure sensing module 60. The first waterproof component 74 is sealed and filled between the support portion 721 and the inner circumference of the mounting groove 47, and the flexible circuit board 65 is sealed and penetrated through the first waterproof component 74. In this embodiment, the first waterproof component 74 is waterproof glue. When the support portion 721 is accommodated in the mounting groove 47, the waterproof glue covers the support portion 721, and the waterproof glue is filled between the support portion 721 and the inner circumference of the mounting groove 47.

[0070] Optionally, the second waterproof member 76 covers the side of the support portion 721 away from the pressure sensing module 60, and the second waterproof member 76 is located between the support portion 721 and the first waterproof member 74. The second waterproof member 76 forms a waterproof ring 762 around the support portion 721, and the waterproof ring 762 seals against the inner circumference of the mounting groove 47. In this embodiment, the waterproof frame 72 is made of hard rubber, and the second waterproof member 76 is made of silicone. A layer of silicone with a reasonable thickness (that is, the second waterproof member 76) is double-molded on the side of the support portion 721 facing the first waterproof member 74, and a waterproof ring 762 is formed around the silicone. A reasonable interference amount is set between the waterproof ring 762 and the inner circumference of the mounting groove 47. The first waterproof member 74 is formed by glue curing. The waterproof ring 762 can prevent the glue from flowing into the bottom of the mounting groove 47 to affect the normal operation of the pressure sensing module 60, and can also achieve a better waterproof function. The support portion 721 is a support bar accommodated in the mounting groove 47, and a positioning groove 723 is provided on the front of the support bar. The back of the second waterproof member 76 is snap-fitted into the positioning groove 723, so that the second waterproof member 76 is firmly positioned on the support portion 721. Since the outer surface of the pressure sensing module 60 is covered with a waterproof coating, the waterproof coating helps the pressure sensing module 60 to achieve a high waterproof effect. Therefore, there is no need to design a large interference amount between the waterproof ring 762 and the inner circumference of the mounting groove 47, which can reduce the friction between the waterproof ring 762 and the inner circumference of the mounting groove 47, thereby reducing the influence on the pressure sensing module 60 to generate electrical signals.

[0071] Optionally, at least one notch 764 is provided on the side of the second waterproof member 76 facing away from the support portion 721, and the first waterproof member 74 is filled in the notch 764. Specifically, a positioning groove 723 facing the notch 764 is provided on the surface of the support portion 721 facing the second waterproof member 76, and the first waterproof member 74 is filled in the notch 764 and the positioning groove 723, so that the first waterproof member 74, the second waterproof member 76 and the support portion 721 are fixedly connected as one. In this embodiment, a notch 764 is provided on one end of the surface of the second waterproof member 76 facing the first waterproof member 74, and a positioning groove 723 facing the notch 764 is provided on the support portion 721. In other embodiments, notches 764 are provided at opposite ends of the surface of the second waterproof member 76 facing the first waterproof member 74, and positioning grooves 723 facing the two notches 764 are provided at opposite ends of the support portion 721, and the first waterproof member 74 can be filled into the two notches 764 and the two positioning grooves 723, respectively. In other embodiments, the surface of the second waterproof member 76 facing the first waterproof member 74 is provided with more than two gaps 764, and these gaps 764 are arranged at intervals along the length direction of the second waterproof member 76. The support portion 721 is provided with more than two positioning grooves 723 respectively facing these gaps 764, and the first waterproof member 74 can fill the more than two gaps 764 and the more than two positioning grooves 723 respectively.

[0072] Optionally, the opposite ends of the support portion 721 and the opposite end surfaces of the mounting groove 47 are respectively connected by a clamping groove and a clamping block, the clamping groove is provided at one of the end surfaces corresponding to the support portion 721 and the mounting groove 47, and the clamping block is provided at the other end surface corresponding to the support portion 721 and the mounting groove 47. In this embodiment, the opposite ends of the support portion 721 are respectively provided with a clamping block 724, the housing 40 is respectively provided with a clamping groove 4742 on the two opposite inner end surfaces 474 of the mounting groove 47, and the two clamping blocks 724 are respectively clamped in the two clamping grooves 4742. In other embodiments, the opposite ends of the support portion 721 are respectively provided with a clamping groove, the housing 40 is respectively provided with a clamping block on the two opposite inner end surfaces 474 of the mounting groove 47, and the two clamping blocks are respectively clamped in the two clamping grooves.

[0073] Optionally, the pressing assembly 90 includes a key body 92, a sealing ring 94 and a backing glue 96, wherein the sealing ring 94 is sealedly sleeved on the key body 92, and the backing glue 96 is attached to one side of the key body 92; when the waterproof frame 72 is accommodated in the mounting groove 47, and the key body 92 is accommodated in the mounting hole 45, the key body 92 and the waterproof frame 72 are connected by the cooperation of a hook and a stopper, wherein the hook is arranged on one of the key body 92 and the waterproof frame 72, and the stopper is arranged on the other of the key body 92 and the waterproof frame 72. In this embodiment, a hook 926 is arranged on the key body 92, and a stopper 725 is arranged on the waterproof frame 72. The key body 92 can move relative to the waterproof frame 72 in the mounting hole 45, and the stopper 725 is used to stop the key body 92 from moving in the mounting hole 45.

[0074] Optionally, the waterproof frame 72 also includes two connecting parts 726 provided at opposite ends of the supporting part 721, the supporting part 721 and the two connecting parts 726 form an avoidance space 727, and the stop part 725 is provided on the side of the connecting part 726 facing the avoidance space 727, that is, the stop part 725 is accommodated in the avoidance space 727; hooks 926 are respectively provided at opposite ends of one side of the button body 92, the button body 92 is located between the two hooks 926, and the two hooks 926 are respectively stopped at the two stop parts 725.

[0075] Optionally, the stopper 725 is a stopper piece parallel to the length direction of the support portion 721, the hook 926 has a hook groove 927 facing the corresponding stopper 725, the stopper 725 is accommodated in the hook groove 927, and the length of the hook groove 927 in the axial direction of the sealing ring 94 is greater than the thickness of the stopper 725 in the axial direction of the sealing ring 94. That is, the thickness of the stopper piece is smaller than the space of the hook groove 927, and the stopper 725 can move in the hook groove 927.

[0076] The connecting portion 726 is connected to the side of the supporting portion 721 away from the second waterproof member 76, and the connecting portion 726 includes a first positioning bar 7262 and a second positioning bar 7264 connected to each other, the first positioning bar 7262 is parallel to the length direction of the supporting portion 721, the second positioning bar 7264 is located on one side of the first positioning bar 7262, and the second positioning bar 7264 abuts against the inner side surface of the mounting groove 47 close to the mounting hole 45. Specifically, the second positioning bar 7264 is perpendicular to the first positioning bar 7262, and the side of the second positioning bar 7264 away from the first positioning bar 7262 abuts against the first inner side surface 471 of the mounting groove 47. Preferably, a abutting protrusion 7265 is provided on the side of the first positioning bar 7262 away from the second positioning bar 7264, and the abutting protrusion 7265 abuts against the positioning plate 621.

[0077] Please also read Figure 21-24As shown, the cable management component 80 includes a cable management frame 82 and a third waterproof component 84, one end of the flexible circuit board 65 away from the connection component 64 is inserted into the through hole 48, the cable management frame 82 is connected to the through hole 48, and the third waterproof component 84 is sealed between the cable management frame 82 and the inner circumference of the through hole 48. Specifically, the cable management frame 82 is clamped in the through hole 48 from the back of the housing 40, the third waterproof component 84 covers the side of the cable management frame 82 away from the front 401, and the third waterproof component 84 is filled between the cable management frame 82 and the inner circumference of the through hole 48. In this embodiment, the back 403 of the housing 40 is provided with an installation space 407 at one end provided with the through hole 48, the through hole 48 is connected to the installation space 407, and the bottom surface of the installation space 407 of the housing 40 is provided with a support block 408 around the through hole 48, and the through hole 48 and the avoidance gap 484 both pass through the support block 408.

[0078] Optionally, the cable management frame 82 is connected to the inner circumference of the through hole 48 through the cooperation of a snap-fit ​​platform and a snap-fit ​​block, the snap-fit ​​platform is provided on one of the cable management frame 82 and the inner circumference of the through hole 48, and the snap-fit ​​block is provided on the other of the cable management frame 82 and the inner circumference of the through hole 48. Specifically, the cable management frame 82 includes a bar block 822 accommodated in the through hole 48, and the opposite ends of the bar block 822 are respectively connected to the opposite end surfaces of the through hole 48 through the cooperation of the snap-fit ​​platform and the snap-fit ​​block; in this embodiment, the opposite ends of the bar block 822 are respectively provided with snap-fit ​​blocks 823, and the two snap-fit ​​blocks 823 are respectively snap-fitted to the two snap-fit ​​platforms 482.

[0079] Optionally, the cable management rack 82 further includes a stopper 824, which is connected to the side of the bar block 822 away from the front face 401, and when the buckle platform 482 is connected to the buckle platform 823, the stopper 824 stops around the through hole 48. Specifically, the stopper 824 is a bar sheet, the length direction of which is perpendicular to the length direction of the bar block 822, and the opposite ends of the stopper 824 extend out of the opposite sides of the bar block 822 respectively; when the bar block 822 is snapped into the through hole 48, the buckle platform 823 is snapped into the corresponding buckle platform 482, and the opposite ends of the stopper 824 are respectively pressed against the support block 408. In this embodiment, the two opposite ends of the side of the bar block 822 away from the front surface 401 are respectively provided with stoppers 824, and the opposite ends of each stopper 824 extend out of the two opposite side surfaces of the bar block 822, and the opposite ends of each stopper 824 respectively abut against the support block 408. The flexible circuit board 65 is accommodated in the avoidance gap 484, and the third waterproof member 84 covers the surface of the bar block 822 provided with the stopper 824, and the third waterproof member 84 fills the avoidance gap 484, and the third waterproof member 84 is sealed around the flexible circuit board 65, and the third waterproof member 84 is surrounded by each stopper 824.

[0080] like Figure 25-Figure 31As shown, the sealing ring 94 includes a ring body 942 sealingly sleeved on the key body 92 and a sealing rib 944 protruding from the outer peripheral surface of the ring body 942, and the sealing rib 944 is arranged around the circumference of the ring body 942. In this embodiment, the key body 92 is a rectangular block, and the opposite ends of the key body 92 are respectively set as arc surfaces. The sealing ring 94 is a waist-shaped ring, and the sealing ring 94 is sleeved on the outer peripheral surface of the key body 92. Specifically, the key body 92 has an outer side surface 921, an inner side surface 923, and an outer peripheral surface 925 connected between the outer side surface 921 and the inner side surface 923. The sealing ring 94 is sealingly sleeved on the outer peripheral surface 925 of the key body 92, and the sealing rib 944 is located on the side away from the outer side surface 921.

[0081] Optionally, the outer peripheral surface 925 of the key body 92 is provided with a positioning ring groove 922, and the positioning ring groove 922 is arranged around the circumference of the outer peripheral surface 925. The ring body 942 is sealed and positioned in the positioning ring groove 922, and the thickness of the ring body 942 is less than or equal to the depth of the positioning ring groove 922. The sealing rib 944 extends out of the outer peripheral surface 925 of the key body 92 on the side away from the ring body 942. In this embodiment, the width of the ring body 942 is equal to the width of the positioning ring groove 922, and the thickness of the ring body 942 is less than the depth of the positioning ring groove 922. The cross section of the positioning ring groove 922 can be, but is not limited to, a rectangular opening, an arc opening, etc. In this embodiment, the cross section of the positioning ring groove 922 is a rectangular opening. Specifically, the hook 926 includes a connecting strip 9262 and a stop strip 9264. The length direction of the connecting strip 9262 is parallel to the axial direction of the ring body 942. One end of the connecting strip 9262 is connected to the end of the inner side surface 923 of the button body 92. The other end of the connecting strip 9262 is connected to the stop strip 9264. The stop strip 9264 of each hook 926 is away from the other hook 926. The connecting strip 9262 and the stop strip 9264 surround a hook groove 927. In this embodiment, the length direction of the connecting strip 9262 is perpendicular to the length direction of the stop strip 9264.

[0082] Optionally, the sealing rib 944 includes a guide surface 945 facing the inner side of the shell, and the angle θ between the guide surface 945 and the axis of the sealing ring 94 is greater than 0 degrees and less than 90 degrees, and the guide surface 945 facilitates the insertion of the pressing assembly 90 into the mounting hole of the shell 40; preferably, the angle θ is greater than or equal to 30 degrees and less than 90 degrees. It can be understood that the angle θ can be but is not limited to 30 degrees, 40 degrees, 45 degrees, 50 degrees, 60 degrees, 70 degrees, 80 degrees or 85 degrees. In this embodiment, the angle θ is 48 degrees. Optionally, the cross-sectional shape of the sealing ring 94 is similar to an arrow shape, which faces the inside of the shell, and the sealing rib 944 will not be scraped over by the side wall of the mounting hole 45 when assembling the pressing assembly 90 to the mounting hole 45 of the shell 40, so as to facilitate the installation of the pressing assembly 90.

[0083] Optionally, a dust collecting groove 947 is provided on the outer peripheral surface of the key body 92 near the opening of the mounting hole. Specifically, the sealing rib 944 further includes a dust blocking surface 946 facing away from the guide surface 945. The dust blocking surface 946 and the outer peripheral surface of the ring body 942 form a dust collecting groove 947. The dust collecting groove 947 is closer to the opening of the mounting hole than the sealing rib 944, and the dust blocking surface 946 faces the dust collecting groove 947. The angle between the dust blocking surface 946 and the outer peripheral surface of the ring body 942 is greater than 0 degrees and less than 180 degrees. Preferably, the angle between the dust blocking surface 946 and the outer peripheral surface of the ring body 942 is greater than 60 degrees and less than 120 degrees. In this embodiment, the angle between the dust blocking surface 946 and the outer peripheral surface of the ring body 942 is 90 degrees. Since a dust collecting groove 947 is provided around the sealing ring 94, the dust collecting groove 947 is used to accommodate foreign matter entering from the gap between the outer peripheral surface of the button body 92 and the inner peripheral surface of the mounting hole 45, so that the foreign matter will not accumulate in the gap around the button body 92 and affect the transmission of the pressing force.

[0084] When assembling the pressing assembly 90, the sealing ring 94 is put on the button body 92 by machine or manually, so that the button body 92 is sealedly positioned in the positioning ring groove 922, and the sealing rib 944 is close to the side of the hook 926, and the dust collecting groove 947 is located on the side away from the hook 926; one side of the back glue 96 is glued to the inner side surface 923 of the button body 92.

[0085] Please also read Figure 2-Figure 6 and Figure 32-Figure 43When assembling the button 50 to the housing 40, the assembled pressing assembly 90 is inserted into the mounting hole 45 of the housing 40. Specifically, the side with the hook 926 is inserted into the mounting hole 45, and the guide surface 945 is slidably pressed against the inner circumference of the mounting hole 45 until the sealing rib 944 is sealed against the inner circumference of the mounting hole 45, and the outer side surface 921 of the button body 92 is roughly coplanar with the side surface 405 of the housing 40; the positioning frame 62 of the assembled pressure sensing module 60 is clamped into the mounting groove 47 of the housing 40, so that the waterproof ring 762 is sealed against the inner circumference of the mounting groove 47, and the connecting assembly 64 is facing The mounting hole 45 is provided, and the pressing sheet 646 and the button body 92 are connected to each other through the adhesive 96. The two elastic clamping parts 623 are both pressed against the first inner side surface 471. Specifically, the pressing protrusion 6235 of each elastic clamping part 623 presses against the first inner side surface 471, and the positioning plate 621 presses against the second inner side surface 472. That is, the pressing protrusion 6235 and the first inner side surface 471 are designed with a combined interference amount, and the elastic plate 6231 of the elastic clamping part 623 is deformed to provide elastic force, so that the positioning plate 621 and the second inner side surface 472 are pressed against each other and friction resistance is generated, so that the pressure sensing module 6 0 is fixed with the mounting groove 47 and is not easy to move; the first section 651 and the bent section 655 of the flexible circuit board 65 are arranged in the mounting groove 47, specifically, the bent section 655 is accommodated in the second avoidance groove 4762, the first avoidance groove 4722 and the avoidance opening 4726, and the second section 653 is located outside the mounting groove 47; the end of the flexible circuit board 65 away from the connecting component 64 is passed through the through hole 48, the second section 653 and the bent section 655 of the flexible circuit board 65 are connected to the housing 40 through a pressure-sensitive adhesive, and the connector 656 of the flexible circuit board 65 is plugged into the connector of the main board 42; the waterproof frame 72 and the second waterproof The water piece 76 is inserted into the installation groove 47, so that the two clamping blocks 724 are respectively positioned in the two intervals 6234 of the positioning frame 62, so that the two clamping blocks 724 are respectively clamped in the two clamping grooves 4742, and the end of the connecting portion 726 away from the supporting portion 721 is pressed against the bottom surface 476 of the installation groove 47. A reasonable locking amount is set between the clamping block 724 and the clamping groove 4742 to prevent the waterproof frame 72 from falling off during falling and normal use, resulting in poor waterproofing; the two stop portions 725 are respectively accommodated in the hook grooves 927 of the two hooks 926 to prevent the back glue 96 from failing and causing the button body 92 to fall from the installation hole 45.

[0086] The second positioning strip 7264 and the abutting protrusion 6235 both abut against the first inner side surface 471, the positioning plate 621 abuts against the second inner side surface 472, and the surfaces of the two connecting parts 726 facing away from the supporting part 721 abut against the bottom surface 476 of the mounting groove. The stopper 725 on the waterproof frame 72 and the corresponding hook 926 are used to produce a buckling amount in the length direction of the mounting groove 47 to prevent the button body 92 from falling out; a reasonable gap is set around the stopper 725 and the hook 926 to prevent the hook 926 from being subjected to other unnecessary resistance when the user presses the pressure-sensitive button body 92, causing the connection piece 644 to deform and produce variations, affecting the generation of the pressure-sensitive signal. Insert the cable management frame 82 into the through hole 48 from the back of the housing 40, so that the cable management frame 82 positions the curved section 655 of the flexible circuit board 65, and the two snap-fit ​​blocks 823 are respectively snapped on the two snap-fit ​​platforms 482, and the stopper 824 abuts against the support block 408 to prevent the cable management frame 82 from falling off from the through hole 48; apply glue on the side of the second waterproof member 76 away from the waterproof frame 72 and between the waterproof ring 762 and the inner circumference of the mounting groove 47. The glue will fill the space between the support portion 721 and the inner circumference of the mounting groove 47 and the curved section 655 under the action of its own fluidity, and the glue will be filled until the glue overflows. Groove 4724, the first avoidance groove 4722 and the second avoidance groove 4762. After the glue is cured, a first waterproof component 74 is formed. The first waterproof component can achieve a high-level waterproof effect. Glue is applied on the back and around the cable management frame 82. Under the action of its own fluidity, the glue will fill the space between the cable management frame 82 and the inner circumference of the through-hole 48, as well as the space around the bending section 655. After the glue is cured, a third waterproof component 84 is formed. The third waterproof component 84 is sealed and filled between the cable management frame 82 and the inner circumference of the through-hole 48, as well as in the avoidance gap 484. The third waterproof component 84 can achieve a high-level waterproof effect.

[0087] When using the button 50 of the electronic device 100, the user presses the outer side surface 921 of the button body 92, and the button body 92 transmits the pressure to the pressure sensor module 60. The connecting piece 644 of the pressure sensor module 60 is deformed, and the pressure sensing element 67 generates an electrical signal after sensing the deformation. The flexible circuit board 65 transmits the electrical signal to the processor on the main board 42, thereby realizing the recognition and grading of the user's pressing force, which then corresponds to different application scenarios and camera functions, etc.

[0088] The sealing ring 94 of the button 50 of the present application is provided with a reasonable interference amount with the inner circumference of the mounting hole 45 so as to prevent dust or foreign matter from entering the mounting groove 47 from the mounting hole 45 and affecting the deformation and function of the connecting component 64; and a dust collecting groove 947 is provided on the outer circumference of the sealing ring 94, and the dust collecting groove 947 is used to accommodate foreign matter that enters the gap between the button body 92 and the mounting hole 45 from the outside. Secondly, a reasonable interference amount is designed between the abutting protrusions 6235 at the opposite ends of the pressure sensing module 60 and the first inner side surface 471 of the mounting groove 47, and a resistance force is provided by the bending feature of the elastic plate 6231, so that the abutting protrusions 6235 and the first inner side surface 471 have friction resistance, and the positioning plate 621 and the second inner side surface 472 have friction resistance, thereby achieving that the pressure sensing module 60 maintains a fixed position inside the mounting groove 47, and the pressure sensing module 60 will not move after normal use and reliability testing, with simple assembly, good reliability and low cost. In addition, the assembly structure scheme of the pressure sensing module 60 is simple, easy to assemble, and has obvious cost advantages.

[0089] The above is an implementation of the embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the embodiment of the present invention. These improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A pressure sensing module, installed in a mounting slot of a housing, characterized in that: The pressure sensing module comprises: A positioning frame, the positioning frame is detachably connected to the installation slot; a connecting assembly connected to the positioning frame; and A pressure sensing component is connected to the connecting component.

2. The pressure sensing module according to claim 1, characterized in that: The positioning frame includes a positioning plate and two elastic clamping parts arranged at opposite ends of the positioning plate, the connecting component is connected to the positioning plate, the connecting component is located between the two elastic clamping parts, the mounting groove has a first inner side surface and a second inner side surface facing each other, the two elastic clamping parts both abut against the first inner side surface, and the positioning plate abuts against the second inner side surface.

3. The pressure sensing module according to claim 2, characterized in that: The two elastic clamping parts are located on the same side of the positioning plate, and the elastic clamping part includes an elastic plate and a clamping plate connected to the elastic plate. One end of the elastic plate away from the clamping plate is connected to the positioning plate, and the elastic plate has an elastic force that drives the clamping plate to press against the first inner side surface.

4. The pressure sensing module according to claim 3, characterized in that: The elastic plate is an elastic bending plate, one end of the bending plate is connected to the positioning plate, and the other end of the bending plate is connected to the clamping plate, and there is a gap between the clamping plate and the positioning plate.

5. The pressure sensing module according to claim 3, characterized in that: A surface of the clamping plate facing away from the positioning plate is provided with a butting protrusion, and the butting protrusion is used to butt against the first inner side surface.

6. The pressure sensing module according to claim 2, characterized in that: The connecting component includes a fixing plate and an elastic connecting plate, the fixing plate is connected to the positioning plate, the connecting plate is connected to the side of the fixing plate facing away from the positioning plate, there is an escape space between the end of the connecting plate and the positioning plate, the pressure sensing component is connected to the connecting plate, the end of the connecting plate can be elastically deformed toward the escape space, and the pressure sensing component is used to sense the elastic deformation of the connecting plate.

7. The pressure sensing module according to claim 6, characterized in that: The opposite ends of the connecting piece extend out of the opposite ends of the fixing piece respectively, and there are avoidance spaces between the opposite ends of the connecting piece and the positioning plate respectively, and the pressure sensing element is connected to the connecting piece by hot pressing adhesive.

8. The pressure sensing module according to claim 6, characterized in that: The connecting assembly also includes a pressing plate, which is connected to a side of the connecting plate facing away from the fixing plate. The pressure sensing component is located between the pressing plate and the connecting plate. The pressing plate is used to push the end of the connecting plate to cause elastic deformation of the connecting plate.

9. The pressure sensing module according to claim 6, characterized in that: A receiving groove is provided at the middle of the side surface of the pressing piece facing the connecting piece, and the pressure sensing component is accommodated in the receiving groove.

10. The pressure sensing module according to claim 9, characterized in that: The pressing piece is provided with push blocks at opposite ends of the receiving groove, and the two push blocks are respectively pressed against opposite ends of the connecting piece.

11. The pressure sensing module according to claim 1, characterized in that: The pressure sensing module further includes a flexible circuit board, and the pressure sensing element is arranged on the flexible circuit board.

12. The pressure sensing module according to claim 11, characterized in that: The flexible circuit board includes a first section, a second section and a curved section connected between the first section and the second section, the pressure sensing component is arranged on the first section, the first section and the curved section are arranged on the mounting groove, and the second section is located outside the mounting groove.

13. The pressure sensing module according to claim 12, characterized in that: A first avoidance groove is provided on the second inner side surface of the installation groove, a second avoidance groove is provided on the bottom surface of the installation groove, the first avoidance groove is connected to the second avoidance groove, and the curved section is accommodated in the first avoidance groove and the second avoidance groove.

14. A button, the button being mounted on a housing, the housing being provided with a mounting hole and a mounting groove communicating with each other, characterized in that: The button includes a pressure sensing module and a pressing component as described in any one of claims 1 to 13, the pressure sensing module is arranged in the mounting groove, the pressing component is arranged in the mounting hole, and the pressing component is connected to the pressure sensing module.

15. An electronic device, characterized in that: The electronic device comprises the key and a housing as claimed in claim 14, wherein the key is mounted on the housing.

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