WO2019056316A1

WO2019056316A1 - Button fixing assembly and mobile device

Info

Publication number: WO2019056316A1
Application number: PCT/CN2017/103005
Authority: WO
Inventors: 肖喜良
Original assignee: 深圳市沃特沃德股份有限公司
Priority date: 2017-09-22
Filing date: 2017-09-22
Publication date: 2019-03-28

Abstract

Disclosed in the present invention are a button fixing assembly and a mobile device. The button fixing assembly is used for fixing a button set, and comprises a housing, a circuit board, and a conductive press board. A button mounting hole is formed in the housing, and the button set is clipped to the housing in the button mounting hole. The circuit board is laminated on the button set. The conductive press board is laminated on the circuit board and is fastened to the housing to tightly press the button set and the circuit board in the button mounting hole. By means of the button fixing assembly, the button set can be fixed while button functions of the button set are maintained, so that the button set is unlikely to be loosen.

Description

Button fixing component and mobile device

Technical field

[0001] The present invention relates to the field of buttons, and more particularly to a button fixing assembly and a mobile device.

Background technique

[0002] In the existing mobile device, the button includes a large button and a small button, and the large button and the small button correspond to different functions. After the installation, the large button and the small button are easily loosened because they are not effectively fixed.

technical problem

[0003] A primary object of the present invention is to provide a button fixing assembly and a moving device that can fix a button group.

Problem solution

Technical solution

[0004] The present invention provides a button fixing assembly for fixing a button set, including a housing, a circuit board, and a voltage guiding plate; the housing is provided with a button mounting hole, and the button group is coupled to the housing at the button mounting hole The circuit board is laminated on the button group; the voltage guiding plate is laminated on the circuit board and clamped to the housing to press the button group against the button mounting hole.

[0005] Further, the housing includes an upper case and a lower case, and the upper case is closed to the lower case, and the upper case includes an upper bottom plate and an upper case side wall surrounding the upper bottom plate, and the button mounting hole is formed on the upper bottom plate.

[0006] Further, the voltage guiding plate comprises a pressure plate body and a buckle portion; the pressure plate body is laminated on the circuit board; the buckle portion is connected to the pressure plate body at one end, and the other end is engaged with the upper casing side wall.

Further, the buckle portion has an abutting tongue, and the side wall of the upper shell has a button hole, and the button hole has a hole wall, and the end portion of the abutting tongue abuts against the wall of the top hole.

[0008] Further, the buckle portion further has an abutting piece; one end is connected to the pressure plate body, and the other end is abutted on the upper casing side wall

[0009] Further, a light-transmitting pad is further disposed, and the light-transmitting pad is laminated between the button group and the circuit board, and is inserted into the button group.

[0010] Further, the housing is provided with a latching slot at the periphery of the button mounting hole; the button group is latched to the latching slot.

[0011] Further, the button group includes a large button, a small button and a connecting ear; the small button is worn on the large button; One end of the ear is connected to the large button, and the other end is fixedly connected to the housing.

[0012] Further, the connecting ear is fixedly connected to the housing by welding, or is fixedly connected to the housing by screws.

[0013] Further, the housing is provided with a connecting ear card, and the connecting ear abuts the connecting ear card.

[0014] Further, the connecting ears are U-shaped and disposed on the outer side of the circuit board.

[0015] Further, the light transmissive pad has a protrusion, and the large button has a groove adapted to the protrusion.

[0016] Further, a small button mounting slot is disposed on the light transmissive pad; the upper end of the small button is adapted to be inserted into the small button mounting slot.

[0017] Further, the small button mounting slot includes a center boss and an arched slot; the center boss abuts the small button; the arcuate slot is disposed around the center boss and abuts against the surface of the circuit board.

[0018] Further, the arched groove is annular.

[0019] Further, the housing is provided with a pressure limiting protrusion; the voltage limiting protrusion supports the voltage guiding plate.

[0020] Further, the circuit board is fixedly connected to the housing by screws.

[0021] Further, the housing is provided with a connecting post, and the screw connecting the circuit board is fixed on the connecting post.

[0022] Further, four screws are connected to the circuit board, and the screws are respectively connected to the corresponding connecting posts by the four corners of the circuit board.

[0023]

[0024] The present invention also provides a mobile device including a button set and the above-described button fixing assembly.

Advantageous effects of the invention

Beneficial effect

[0025] The button fixing component and the moving device of the invention, the button fixing component presses the button group to the casing through the voltage guiding plate, and can fix the button group at the same time as the button function of the button group, so that the button group is not easy to loosen Brief description of the diagram

DRAWINGS

1 is a schematic exploded view of an embodiment of a mobile device according to the present invention;

2 is an enlarged schematic view of the circle A of FIG. 1;

3 is a schematic structural view of an embodiment of a light-transmitting mat;

4 is a schematic structural view of an embodiment of a large button;

[0030] FIG. 5 is a schematic structural view showing a partial cross section of a large button; 6 is a cross-sectional structural view showing an embodiment of a mobile device according to the present invention;

7 is a schematic structural view of an embodiment of an upper casing of a mobile device according to the present invention;

8 is an enlarged schematic view of circle B of FIG. 7;

[0034] FIG. 9 is a schematic structural view of an embodiment of a lower case;

10 is a schematic structural view of an embodiment of an upper casing.

[0036]

[0037] The implementation, functional features, and advantages of the present invention will be further described with reference to the accompanying drawings.

BEST MODE FOR CARRYING OUT THE INVENTION

The specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

1-10, an embodiment of the button fixing assembly of the present invention is used for fixing the button group 1, including a housing, a circuit board 3, and a voltage guiding plate 4; the housing is provided with a button mounting hole 5128, and the button group 1 is The button mounting hole 5128 is engaged with the housing; the circuit board 3 is laminated on the button group 1; the voltage guiding plate 4 is laminated on the circuit board 3 and clamped to the housing to press the button group 1 against the button mounting hole 5128.

[0040] The button fixing component fixes the button group 1, so that the button group 1 is not easy to loosen while retaining the button function of the button group 1.

[0041] The housing includes an upper case 51 and a lower case 52, and the upper case 51 covers the lower case 52. The upper case 51 includes an upper bottom plate 511 and an upper case side wall 512 surrounding the upper bottom plate 511, and the button mounting hole 5128 is formed in Upper bottom plate 511. The button group 1 and the button fixing assembly are both disposed in the upper case 51.

[0042] The voltage guiding plate 4 includes a pressing plate body 46 and a buckle portion; the pressing plate body 46 is laminated on the circuit board 3; one end of the locking portion is connected to the pressing plate body 46, and the other end is coupled to the upper casing side wall 512.

[0043] The buckle portion has an abutting tongue 41, and the upper casing side wall 512 has a fastening hole 5121. The fastening hole 5121. has a hole wall, and the end portion of the abutting tongue 41 abuts against the top hole wall.

[0044] The buckle portion further has an abutting piece; one end is connected to the pressure plate body 46, and the other end is abutted against the upper casing side wall 512. The abutting piece can position the voltage guiding plate 4 to prevent the guiding voltage plate 4 from tilting, and after the guiding voltage plate 4 is taken out from the upper casing 51, the pressing plate body 46 can be bent by pressing the abutting pieces at both ends of the pressing plate body 46 to facilitate the guiding voltage plate. 4 take out. The abutting piece and the abutting tongue 41 are spaced apart from one end of the platen body 6. In other embodiments The abutting piece has a receiving hole, and the abutting tongue 41 is disposed in the receiving hole.

[0045] The button fixing assembly further includes a light-transmitting pad 2, and the light-transmitting pad 2 is laminated between the button group 1 and the circuit board 3, and is inserted into the button group 1. The light-transmitting pad 2 abuts the top button group 1, and can prevent the button group 1 from being excessively movable in the plane.

[0046] Referring to FIG. 10 together, the housing has a latching slot 5126 at the periphery of the button mounting hole 5128; the outer periphery of the button group 1 is engaged with the latching slot 5126.

[0047] Please refer to FIG. 4 together, the button group 1 includes a large button 11, a small button 12 and a connecting ear 116; the small button 12 is disposed on the large button 11; the connecting ear 116 is connected to the large button 11 and the other end is fixedly connected. case. The connecting lug 11 6 is fixedly connected to the housing by welding, or is fixed to the housing by screws. The large button 11 and the small button 12 can open different keys. When the large button 11 is pressed, the connecting ear 116 is elastically deformed so that the large button 11 can be pressed.

[0048] A connecting ear card is disposed on the housing, and the connecting ear 116 abuts the connecting ear card. The connecting ear card defines the connection ear 116, preventing the connecting ear 116 from being over-deformed and unable to return to the original position.

[0049] The connecting ear 116 is U-shaped and disposed on the outer side of the circuit board 3. Two opposing tabs 116 divide the large button 11 into four depressible regions. Each of the connecting ears 116 is elastically deformed, so that the large button 11 can be pressed, and the connecting ear 116 is disposed outside the circuit board 3 to prevent the connecting ear 116 from being deformed and touching the circuit board 3.

[0050] The light-transmitting pad 2 has a projection, and the large button 11 has a groove adapted to the projection. Translucent pad 2 is plugged into the large button 11

The light-transmitting pad 2 can function as a large button 11 to prevent the large button 11 from being freely moved.

[0051] The light-transmitting pad 2 is provided with a small button mounting slot 28; the upper end of the small button 12 is adapted to be inserted into the small button mounting slot 28. The light transmissive pad 2 can also define a small button 12 to prevent the small button 12 from being freely moved.

[0052] The small button mounting groove 28 includes a center boss 22 and an arched groove 23; the center boss 22 abuts against the small button 12; the arched groove 23 is disposed around the center boss 22 and abuts against the surface of the circuit board 3. The arched groove 23 is annular.

[0053] The housing is provided with a pressure limiting projection 5127; the pressure limiting projection 5127 supports the pressure plate body 46 of the voltage guiding plate 4. The pressure limiting projection 5127 prevents the abutment tongue 41 of the voltage guiding plate 4 from moving at the buttonhole 5121.

[0054] The circuit board 3 is fixedly coupled to the housing by screws. The housing is provided with a connecting post, and the screws connecting the circuit board 3 are fixed on the connecting post. There are four screws for connecting the circuit board 3, and the screws are respectively connected to the corresponding connecting posts by the four corners of the circuit board 3. The board 3 is fixed by four screws and the connection is secure.

[0055]

[0056] The present invention also provides a mobile device comprising a button set 1 and the above-described button fixing assembly. [0057] The button fixing component and the moving device of the invention, the button fixing component presses the button group on the casing through the voltage guiding plate, and can fix the button group 1 at the same time as the button function of the button group 1, so that the button group 1 is not easy Loose.

[0058]

[0059] In another embodiment, the moving device further includes a metal piece 53; the lower case 52 of the present invention is inserted into the upper case 51 and fixedly connected by the connecting member 513; the metal piece 53 is disposed on the side of the case to cover Connector 513.

[0060] The upper case 51 and the lower case 52 are connected by the connecting member 513, which is not only easy to disassemble, but also difficult to damage the case; the metal piece 53 is disposed on the side of the case to cover the connecting member 513, which is not only beautiful but also can effectively reduce the connecting piece. 51 3 damage, increase the service life of the connector 513.

[0061] In some embodiments, the connector 513 is a screw.

[0062] The side of the housing is provided with a side mounting groove 515; the metal piece 53 is disposed in the side mounting groove 515. The metal piece 53 is disposed in the side mounting groove 515 to prevent the metal piece 53 from protruding, thereby effectively reducing the scraping of the metal piece 53.

[0063] The side mounting grooves 515 are provided with two, respectively formed on opposite sides of the housing. The two side mounting grooves 515 are opposite to each other, so that the metal piece 53 is provided on both sides of the casing to be more beautiful. Further, the metal piece is stuck to the side mounting groove 515 through the adhesive film.

The lower case 52 includes a lower bottom plate 521 and a lower case side wall 522 surrounding the lower bottom plate 521, wherein the connecting member 513 is sequentially passed through the upper case side wall 512 and the lower case side wall 522. In the present embodiment, the upper casing side wall 512 and the lower casing side wall

The upper side wall 522 is disposed on the inner side of the upper side wall 512, and the upper case 51 and the lower case 52 are joined by connecting the upper case side wall 512 and the lower case side wall 522.

[0065] The upper casing side wall 512 has an upper half groove, and the lower casing side wall 522 has a lower half groove, wherein the upper half groove and the lower half groove are inserted to form a side mounting groove 515.

[0066] The upper bottom plate 511 is provided with a button card slot 5123; the upper shell side wall 512 has a side key mounting hole 5124 matching the side button; the side key mounting hole 5124 is in communication with the button card slot 5123; There is a first yield gap 5223; the first yield gap 5223 abuts the end surface of the button slot 5123. A plurality of button slot slots 5123 can be provided, and a side button group such as a button or a volume button can be installed in the button slot slot 5123, and the side button group does not protrude from the end surface of the button slot slot 5123, so as not to obstruct the upper shell 51. It is fastened to the lower case 52.

[0067] The upper casing side wall 512 is provided with a groove 5122; the lower casing side wall 522 is provided with a second retaining notch 5222; and the second retaining notch 5222 is abutted against the end surface of the groove 5122. The second yielding notch 5222 gives way to the groove 5122, so as not to hinder the upper The case 51 and the lower case 52 are engaged. The upper case 51 and the lower case 52 are separated from each other, and the force can be made by the groove 5122, which makes the upper case 51 and the lower case 52 easier to separate.

[0068] The upper casing side wall 512 is connected to the buckle position of the voltage guiding plate 4, and the lower casing side wall 522 is provided with a third letting gap 5224.

The third yield gap 5224 is the position of the buckle of the voltage guide plate 4.

[0069] The end surface of the upper casing side wall 512 has a stabilizing projection 5126; the lower bottom plate 521 has a stabilizing groove matching the stabilizing projection 5126. The stabilizing projection 5126 is inserted into the stabilizing groove to effectively dislocate the upper case 51 and the lower case 52.

[0070] The upper side wall 512 is provided with a positioning hole 5125; the lower side wall 522 is provided with a diagonal buckle matching the positioning hole 5125 5221

The edge of the positioning hole 5125 has a guiding bevel that guides the diagonal buckle 5221 into the positioning hole 5125. The diagonal buckle 5221 is connected to the positioning hole 5125, and the upper case 51 and the lower case 52 can be positioned to quickly align the upper case 51 and the lower case 52.

[0071] The upper side wall 512 of the upper bottom plate 511 is provided with a buckle position 514, and the two ends of the lower side wall 522 are provided with a buckle protrusion 5225; the buckle protrusion 5225 and the buckle position 514 are buckled. connection. The buckle position 514 is four, and the buckle protrusion 5225 corresponds to four. The connection points of the upper case 51 and the lower case 52 are more, the connection between the upper case 51 and the lower case 52 is more accurate, the gap of the partial connection is not excessively large, and the connection piece is removed between the upper case 51 and the lower case 52. It will not be easily separated after 513.

[0072] The metal piece 53 is provided with a side key hole 531; the side key hole 531 corresponds to the key card slot 5123. To expose the buttons provided on the side.

[0073] The mobile device connects the upper case 51 and the lower case 52 with the connecting member 513, which is convenient to disassemble and is not easy to damage the case.

[0074] Further, in another embodiment, the mobile device further includes a conductive block 6; the circuit board 3 of the present invention is provided with a grounding metal 31; the voltage conducting plate 4 is laminated on the circuit board 3 and clamped to the housing, and is electrically The grounding metal 31 is connected; the conductive block 6 is connected to the metal piece 53 and the voltage guiding plate 4. The conductive block 6 is disposed in the button hole 5121.

[0075] The static electricity received by the casing and the button to the human body is transmitted from the metal piece 53 through the conductive block 6 and the voltage guiding plate 4 to the grounding metal 31.

[0076] It should be noted that in some embodiments, the ground metal 31 is a copper sheet.

[0077] The mobile terminal of the present invention has a simple structure by using a voltage guiding plate to press the circuit board on the casing and the electrostatic transmission circuit board of the metal piece, and the conductive cloth is used in a smaller number, the cost is lower, and the assembly is convenient.

[0078]

[0079] The buckle portion of the present invention includes a first fastening portion and a second fastening portion, which are respectively connected to both ends of the pressure plate body 46. [0080] The first fastening portion includes a first abutting piece 42 having a through hole 43 that abuts the upper casing side wall 512

The abutment tongue 41 is formed in the through hole 43.

[0081] The second fastening portion includes a second abutting piece 44 and an abutting tongue 41. The second abutting piece 44 abuts against the upper casing side wall 512 and is spaced apart from the abutting tongue 41. The conductive blocks 6 are disposed in the fastening holes 5121 to abut the abutting tongue 41 and the metal piece 53 respectively.

[0082] The abutment tongue 41 is an oblique block that is bent upward.

[0083] The mobile device further includes a main board stacked on the platen body 46 and electrically connected to the circuit board 3.

[0084] The mobile device further includes a conductive member 7; the conductive member 7-end is interposed between the housing and the metal piece 53, and the other end is electrically connected to the main board. The static electricity generated by the main board and the casing is introduced into the metal piece 53 by the conductive member 7.

[0085] The conductive member 7 is disposed in the recess 5122. The conductive member 7 can more easily connect the main board and the housing.

In the present embodiment, the ground metal 31 and the voltage guiding plate 4 are connected by the conductive cloth 8. Grounding metal 31 has two

, located at opposite ends of the circuit board 3 respectively.

[0087] The upper bottom plate 511 is provided with a button registration slot 5123. The button slot can be used to place the shutoff assembly, volume components, and more.

[0088] In the present embodiment, the conductive block 6 is a conductive foam.

[0089] The conductive member 7 is a conductive cloth or a conductive foam.

[0090] The voltage guiding plate 4 is made of a conductive steel material. The voltage guiding plate 4 not only conducts electricity but also has certain toughness, which is convenient for installation and disassembly.

[0091] The platen body 46 is provided with a wire hole 45. Convenient for the connection of the board 3.

[0092] The mobile device of the present invention has a simple structure, the conductive cloth 8 is used in a smaller number, is lower in cost, and is more convenient to assemble.

[0093] Further, in another embodiment, the mobile device circuit board 3 is provided with a light source 32 and a switch; the button group 1 is disposed opposite to the light source 32, and the button group 1 has a light transmitting area 1115; Between the button group 1 and the circuit board 3; wherein, when the button group 1 is pressed to the top, the light source 32 generates the emitted light, and the emitted light sequentially passes through the light-transmitting pad 2 and the light-transmitting area 1115.

[0094] In some embodiments, the crucible is a pot.

[0095] The mobile device of the present invention presses the light-transmitting pad 2 through the button group 1, and then turns the switch on and off; The light source 32 includes, but is not limited to, the control light source 32 to generate the emitted light, and the emitted light sequentially passes through the light transmitting pad 2 and the light transmitting area 11 15; and the button group 1 does not need the secondary processing of the injection molding, and the light transmission can be realized. , the cost of the workpiece is lower.

[0096] Further, the large button 11 includes a large button body 111, and the large button body 111 has a small button hole 118; the small button 12 is disposed in the small button hole 118. The large button 11 and the small button 12 are nested, not only the large button 11 can be pressed, but also the small button 12 is active, and the large button 11 and the small button 12 can drive the light pad 2 to the top.

[0097] The large button body 111 has a horizontal wall 1111 and a vertical wall 1112, and the vertical wall 1112 is vertically connected to the horizontal wall 1 111 and encloses to form a small button hole 118. The small button 12 has a first latching projection 121 at the edge, and the first latching projection 121 abuts against the horizontal wall 1111, so that the small button 12 can be prevented from passing through the small buttonhole 118.

The vertical wall 1112 has a limiting card slot 112 communicating with the small button hole 118; the edge of the first card protrusion 121 has a limiting protrusion 122 matching the limiting card slot 112. The small button 12 can be limited to prevent the small button 12 from passing through the small button hole 118 and rotating.

[0099] In the present embodiment, two limiting projections 122 are provided. The two limit projections 122 further prevent the small button 12 from rotating.

Referring to FIG. 5 together, the large button 11 includes a transparent case 1113 and a color layer 1114; and a color layer 1114 is formed on the inner surface and/or the outer surface of the transparent case 1113. The different colors of the color layer 1114 can make the large buttons 11 different colors, and it is not necessary to produce large buttons 11 with different color materials, and is more suitable for the production of large buttons 1 1 of various colors.

[0101] Referring to FIG. 3 and FIG. 4 together, the large button body 111 further has a plurality of first positioning slots 113 and a plurality of second positioning slots 114. The plurality of first positioning slots 113 and the plurality of second positioning slots 114 respectively The second positioning slot 114 is formed between the first positioning slot 113 and the small button hole 118. The transparent pad 2 has a first positioning boss 25, a second positioning boss 26, and The centering boss 22 is disposed in the first positioning slot 113; the second positioning boss 26 is disposed in the second positioning slot 114; the central boss 2 2 is abutted on the small button 12 . The plurality of first positioning slots 113 and the plurality of second positioning slots 114 are respectively inserted into the corresponding first positioning bosses 25 and the second positioning bosses 26 to prevent the large button 11 from being displaced from the light-transmitting pad 2, and the function is equivalent to The transparent glue is injected in the large button 11, the production and installation of the large button 11 and the transparent pad 2 are more convenient, and the center boss 22 abuts the small button 12, which can limit the small button 12, preventing the small button 12 from being in the vertical water. The flat wall 1111 is separated from the large button 11.

[0102] The light-transmissive pad 2 further has an arcuate groove 23, and the arcuate groove 23 is disposed around the center boss 22, and the back surface of the arcuate groove 23 abuts against the surface of the circuit board 3, preventing the center boss 22 from abutting the circuit board 3. The front surface of the arcuate groove 23 is opposite to the small button 12 . When the small button 12 does not press the center boss 22, there is a gap between the center boss 22 and the surface of the circuit board 3, which provides space for the movement of the small button 12, prevents the small button 12 from being pressed to damage the circuit board 3, and presses the small button 12 and After the squatting, the center boss 22 drives the small button 12 to return to the initial position under the restoring force of the arched groove 23, so that the small button 12 can be repeatedly pressed.

[0103] At least a portion of the second positioning groove 114 of the present invention has a light-transmitting groove 115, and the light-transmitting portion 1115 is formed in the light-transmitting groove 115. At least a portion of the second positioning boss 26 is provided with a light-transmitting boss 27, which is transparent. The stage 27 is adapted to be disposed in the light transmission groove 1 15 . It should be noted that, in some embodiments, the light-transmitting pad 2 is provided with a pressure-proof projection 24; the pressure-proof projection 24 abuts against the circuit board 3. The pressure-proof protrusion 24 is disposed on the side facing the circuit board 3, and the pressure-proof protrusion 24 is symmetrically disposed on opposite sides of the same side of the light-transmitting pad 2, so that the rest of the light-transmitting pad 2 can be lifted, and the large button 11 is driven. The light-transmissive pad 2 has a moving space.

[0104] The side wall of the first positioning groove 113 is provided with a pressing pressing column 117; the light transmitting pad 2 has a pressing protrusion 21 corresponding to the pressing pressing column 117, and the pressing protrusion 21 abuts the closing. At the end of the pressing of the pressing pressing column 117, the pressing pressing column 117 is adapted to abut the light-transmitting pad 2 so that the pressing projection 21 is pressed.

[0105] In some embodiments, the connecting lug 116 includes a connecting rod 1161 and a fixing rod 1162; the connecting rod 1161 is respectively connected with a large button body 111 and a fixing rod 1162; the connecting rod 1161 includes a first connecting rod 1161 and a second connection The rod 1161; the two ends of the first connecting rod 1161 and the second connecting rod 1161 are respectively connected to the large button body 111 and the fixing rod 1162; the first connecting rod 1161 and the second connecting rod 1161 are symmetrically disposed. The two pairs of first connecting rods 1 161 and the second connecting rods 1161 divide the large button body 111 into two opposite parts. When a part of the cymbal is pressed, the first connecting rod 1161 and the second connecting rod 1161 are correspondingly deformed, and the large button The body 111 can realize the movement of the top light-transmitting pad 2. When the hand is released, the first connecting rod 1161 and the second connecting rod 1161 recover and drive the large button body 111 to return to the initial position.

[0106] The light source 32 may be provided with one or more. In this embodiment, a plurality of light sources 32 are provided, each of which corresponds to a light-transmitting boss 27; and the light source 32 is a led bulb.

[0107] The structure of the mobile terminal of the present invention does not need to be a secondary processing of button injection molding, and on the basis of light transmission, the workpiece cost is low, and the production efficiency is improved. The above description is only the preferred embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structure or equivalent flow transformation made by the specification and the drawings of the present invention may be directly or indirectly applied to other related The technical field is equally included in the scope of patent protection of the present invention.

Claims

Claim

[Claim 1] A button fixing assembly for fixing a button group, comprising:

a housing is provided with a button mounting hole, and the button group is coupled to the housing at the button mounting hole;

a circuit board stacked on the button group;

A voltage guiding plate is laminated on the circuit board and clamped to the housing to press the button group against the button mounting hole.

[Claim 2] The key fixing assembly according to claim 1, wherein the housing includes an upper case and a lower case, the upper case covers the lower case, and the upper case includes an upper floor And surrounding the upper side wall of the upper bottom plate, the button mounting hole is formed on the upper bottom plate.

[Claim 3] The button fixing assembly according to claim 2, wherein the voltage guiding plate comprises:

a platen body stacked on the circuit board;

The buckle portion has one end connected to the pressure plate body and the other end being coupled to the upper casing side wall.

The button fixing assembly according to claim 3, wherein the fastening portion has an abutting tongue, the upper casing sidewall has a buckle hole, and the buckle hole has a hole wall, The end of the abutting tongue abuts against the wall of the hole.

The button fixing assembly according to claim 3, wherein the fastening portion further has an abutting piece; one end is connected to the pressure plate body, and the other end is abutted against the upper casing side wall.

[Claim 6] The button fixing assembly of claim 1, further comprising a light transmissive pad, the light transmissive pad being laminated between the button group and the circuit board, and the button Group plugged in.

The button fixing assembly according to claim 1, wherein the housing is provided with a snap groove at a periphery of the button mounting hole;

The button group is connected to the card slot.

[Attachment 8] The button fixing assembly according to claim 1, wherein the button group comprises a large button; a small button is worn on the large button;

The connecting ear has one end connected to the large button and the other end fixedly connected to the housing.

[Claim 9] The key fixing assembly according to claim 8, wherein the connecting ear is fixedly coupled to the housing by welding, or is fixedly coupled to the housing by screws.

[Claim 10] The button fixing assembly according to claim 8, wherein the housing is provided with a connecting ear card, and the connecting ear abuts against the connecting ear card.

[Claim 11] The key fixing assembly according to claim 8, wherein the connecting ear is U-shaped and disposed outside the circuit board.

[Claim 12] The button fixing assembly according to claim 1, wherein the light transmitting pad has a protrusion, and the large button has a groove adapted to the protrusion.

The button fixing assembly according to claim 6, wherein the light-transmitting pad is provided with a small button mounting groove;

The upper end of the small button is adapted to be inserted into the small button mounting slot.

[Claim 14] The button fixing assembly according to claim 13, wherein the small button mounting slot comprises:

a central boss that abuts the small button;

An arched groove, placed around the center boss and abutting the surface of the board.

[Claim 15] The key fixing assembly according to claim 14, wherein the arcuate groove is annular.

[Claim 16] The key fixing assembly according to claim 1, wherein the housing is provided with a pressure limiting protrusion;

The voltage limiting protrusion supports the voltage guiding plate.

[Claim 17] The key fixing assembly according to claim 1, wherein the circuit board is fixedly coupled to the housing by a screw.

[Claim 18] The key fixing assembly according to claim 17, wherein the housing is provided with a connecting post, and a screw connecting the circuit board is fixed to the connecting post.

[Claim 19] The key fixing assembly according to claim 18, wherein four screws are connected to the circuit board, and screws are respectively connected to the corresponding ones by four corners of the circuit board Connect the column.

[Claim 20] A mobile device characterized by comprising a button group and the key fixing assembly of claim 1.