CN216795061U - Key fixing structure and mobile phone - Google Patents
Key fixing structure and mobile phone Download PDFInfo
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- CN216795061U CN216795061U CN202123295466.3U CN202123295466U CN216795061U CN 216795061 U CN216795061 U CN 216795061U CN 202123295466 U CN202123295466 U CN 202123295466U CN 216795061 U CN216795061 U CN 216795061U
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- key
- fixing strip
- elastic fixing
- mobile phone
- pressing
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Abstract
The utility model provides a key fixing structure and a mobile phone, wherein the key fixing structure comprises: the mobile phone comprises a mobile phone shell and a key assembly arranged in the mobile phone shell; an accommodating cavity and a limiting part are arranged in the mobile phone shell, and a key mounting groove is formed in the inner side wall of the accommodating cavity; the button assembly comprises a substrate, a plurality of button switches, an elastic fixing strip and a plurality of pressing blocks, wherein the button switches are arranged on the side face of the substrate, the elastic fixing strip is provided with a plurality of pressing portions and a plurality of positioning holes, the pressing portions are abutted to the button switches in a one-to-one correspondence mode, the pressing blocks are arranged on the elastic fixing strip, and the pressing blocks and the pressing portions are located on two sides of the elastic fixing strip respectively. The press block is pressed on the elastic fixing strip, and then the press block is pressed on the press key through the elastic fixing strip, and the elasticity of the elastic fixing strip can provide certain resistance when the press block is pressed, so that the press experience of a user is improved.
Description
Technical Field
The utility model relates to the technical field of electronic equipment, in particular to a key fixing structure and a mobile phone.
Background
One side of cell-phone often is provided with key assemblies such as power key, volume key, and these key assemblies set up in the cell-phone casing usually, then the structure of pressing the key assembly passes outside the cell-phone casing stretches out the cell-phone casing, protrusion in the surface of cell-phone casing to supply the user to press. The current structure of pressing the button subassembly is comparatively unstable, presses feedback not good, leads to user experience poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, provides a key fixing structure and a mobile phone, and improves the pressing stability of a key assembly and the user experience.
One embodiment of the present invention provides a key fixing structure, including: the mobile phone comprises a mobile phone shell and a key assembly arranged in the mobile phone shell;
the mobile phone shell is internally provided with an accommodating cavity and a limiting part, the inner side wall of the accommodating cavity is provided with a key mounting groove, a plurality of key holes and a plurality of positioning columns are arranged in the key mounting groove, the key holes are communicated to the outside of the accommodating cavity, and the limiting part presses the key assembly to the key mounting groove;
the key assembly comprises a substrate, a plurality of key switches, an elastic fixing strip and a plurality of pressing blocks, wherein the key switches are arranged on the side surface of the substrate, a plurality of pressing parts and a plurality of positioning holes are arranged on the elastic fixing strip, the pressing parts are abutted against the key switches in a one-to-one correspondence manner, the pressing blocks are arranged on the elastic fixing strip, and the pressing blocks and the pressing parts are respectively positioned on two sides of the elastic fixing strip and are oppositely arranged;
the elastic fixing strip is arranged in the key mounting groove, the positioning column stretches into the positioning hole, the pressing block movably penetrates through the key hole and protrudes out of the outer surface of the mobile phone shell, the limiting part is pressed against the substrate to be far away from the side face of the key switch and the two ends of the elastic fixing strip, and the substrate and the elastic fixing strip are pressed towards the inside of the key mounting groove.
Compared with the prior art, the key fixing structure provided by the utility model has the advantages that the pressing block presses the elastic fixing strip, then the elastic fixing strip presses the key, the elastic force of the elastic fixing strip can provide certain resistance when the key is pressed, so that the pressing experience of a user is improved, the key fixing structure is particularly suitable for the condition that a plurality of pressing blocks need to be arranged, and the structure of the key assembly can be simplified.
In one embodiment, the elastic fixing strip is integrally injection-molded with the pressing block.
In one embodiment, one and the same pressing block corresponds to at least one of the pressing portions.
In one embodiment, the positioning columns are sequentially arranged along the extending direction of the key mounting groove, and the key holes are located between adjacent positioning columns;
the positioning holes are sequentially arranged along the extending direction of the elastic fixing strip, and the pressing blocks are positioned between the adjacent positioning holes.
In one embodiment, the two ends of the substrate are respectively provided with a connecting block, the limiting part is provided with two fixing grooves, and the connecting blocks are inserted into the fixing grooves in a one-to-one correspondence manner.
In one embodiment, the limiting portion includes a plurality of first limiting blocks and two second limiting blocks, the first limiting blocks are located between the two second limiting blocks, the first limiting blocks are sequentially arranged along the extending direction of the key mounting groove, the first limiting blocks abut against the side face, away from the key switch, of the substrate, and the two second limiting blocks abut against the two ends of the elastic fixing strip respectively.
In one embodiment, the top end of the first limiting block and the top end of the second limiting block are connected with the inner wall of the accommodating cavity, wherein one of the bottom end of the second limiting block, the bottom end of the first limiting block and the other bottom end of the second limiting block are sequentially connected through a connecting strip.
In one embodiment, a plurality of avoiding grooves are arranged on the top of the substrate;
the first limiting block comprises a base body and a limiting plate arranged at the bottom of the base body, the base body is connected with the inner wall of the accommodating cavity, the base body extends into the avoiding groove, and the limiting plate is pressed against the side face, far away from the key switch, of the base plate.
In one embodiment, a substrate limiting groove is formed in the bottom of the key mounting groove, and the bottom of the substrate extends into the substrate limiting groove.
Another embodiment of the present invention provides a mobile phone including: display screen, processing module and as above-mentioned button fixed knot construct, the display screen sets up on the cell-phone casing, processing module sets up the holding intracavity, respectively with the button subassembly with the display screen is connected.
In order that the utility model may be more clearly understood, specific embodiments thereof will be described hereinafter with reference to the accompanying drawings.
Drawings
FIG. 1 is an exploded view of a key retention structure according to one embodiment of the present invention;
fig. 2 is an exploded view of a portion of the structure of a handset housing and key assembly in accordance with one embodiment of the present invention;
FIG. 3 is an enlarged view of FIG. 2 at A;
fig. 4 is a schematic structural diagram of a key assembly according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a substrate and a key switch according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of an elastic fixing strip and a pressing block according to an embodiment of the present invention;
FIG. 7 is a partial schematic structural view of a key fixing structure according to an embodiment of the present invention;
FIG. 8 is an enlarged view of FIG. 1 at B;
fig. 9 is a schematic structural diagram of a mobile phone according to an embodiment of the present invention.
Description of reference numerals:
10. a handset housing; 11. an accommodating cavity; 12. a limiting part; 121. fixing grooves; 122. a first stopper; 1221. a substrate; 1222. a limiting plate; 123. a second limiting block; 124. a connecting strip; 13. a key mounting groove; 131. a key hole; 132. a positioning column; 133. a substrate limiting groove; 14. a frame body; 20. a key assembly; 21. a substrate; 211. connecting blocks; 212. avoiding the groove; 22. a key switch; 23. an elastic fixing strip; 231. a pressing part; 232. positioning holes; 24. a pressing block; 30. a display screen; 40. and a middle bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Please refer to fig. 1, which is an exploded view of a key fixing structure according to an embodiment of the present invention, the key fixing structure includes: a handset housing 10 and a key assembly 20 disposed within the handset housing 10.
Referring to fig. 2 and 3, fig. 2 is an exploded view of a part of a mobile phone housing and a key assembly according to an embodiment of the present invention, fig. 3 is an enlarged view of a position a shown in fig. 2, a housing cavity 11 and a position limiting portion 12 are disposed in the mobile phone housing 10, a key installation groove 13 is disposed on an inner side wall of the housing cavity 11, a plurality of key holes 131 and a plurality of positioning posts 132 are disposed in the key installation, the key holes 131 are communicated with the outside of the housing cavity 11, and the position limiting portion 12 presses the key assembly 20 against the key installation groove 13.
Referring to fig. 4, 5 and 6, fig. 4 is a schematic structural diagram of a key assembly according to an embodiment of the present invention, fig. 5 is a schematic structural diagram of a substrate and a key switch according to an embodiment of the present invention, fig. 6 is a schematic structural diagram of an elastic fixing strip and a pressing block according to an embodiment of the present invention, the key assembly 20 includes a substrate 21, a plurality of key switches 22, an elastic fixing strip 23 and a plurality of pressing blocks 24, the key switches 22 are disposed on a side surface of the substrate 21, the elastic fixing strip 23 is provided with a plurality of pressing portions 231 and a plurality of positioning holes 232, the pressing portions 231 are abutted against the key switches 22 in a one-to-one correspondence manner, the pressing blocks 24 are disposed on the elastic fixing strip 23, and the pressing blocks 24 and the pressing portions 231 are respectively located at two sides of the elastic fixing strip 23 and are arranged oppositely; the elastic fixing strip 23 is arranged in the key mounting groove 13, the positioning column 132 extends into the positioning hole 232, the pressing block 24 movably penetrates through the key hole 131 and protrudes out of the outer surface of the mobile phone shell 10, the limiting part 12 is pressed on the side surface of the substrate 21 far away from the key switch 22 and the two ends of the elastic fixing strip 23, and the substrate 21 and the elastic fixing strip 23 are pressed into the key mounting groove 13.
Referring to fig. 7, which is a partial schematic structural view of a key fixing structure according to an embodiment of the present invention, the substrate 21 and the elastic fixing strip 23 are stably fixed under the positioning cooperation of the positioning hole 232 and the positioning post 132 and the limit of the limit portion 12, after the pressing block 24 is pressed down, the pressing block 24 moves toward the accommodating cavity 11 to push the elastic fixing strip 23 to move toward the substrate 21, and the elastic fixing strip 23 is elastically deformed, so that the pressing portion 231 presses the key switch 22 while the elastic fixing strip 23 moves toward the substrate 21, and the key switch 22 sends a trigger signal. It should be noted that although the substrate 21 is pressed toward the inside of the key installation groove 13 by the limiting portion 12, when the key installation groove 13 is shallow, the substrate 21 may be located outside the key installation groove 13, and a gap for the activation end of the key switch 22 to move is further left between the substrate 21 and the elastic fixing strip 23. In addition, in order to facilitate the pressing of the elastic fixing strip 23 by the limiting part 12, two ends of the elastic fixing strip 23 extend out of two ends of the base plate 21.
In order to facilitate the maintenance of the position of the substrate 21 relative to the elastic fixing strip 23, avoid the substrate 21 pressing the key switch 22 to the elastic fixing strip 23 to cause the false triggering of the key switch 22, and avoid the deviation of the substrate 21, in some optional embodiments, the two ends of the substrate 21 are respectively provided with a connecting block 211, the limiting portion 12 is provided with two fixing grooves 121, and the connecting blocks 211 are inserted into the fixing grooves 121 in a one-to-one correspondence manner, so as to fix the position of the substrate 21.
Referring to fig. 8, which is an enlarged view of a position B shown in fig. 1, in some optional embodiments, the limiting portion 12 includes a plurality of first limiting blocks 122 and two second limiting blocks 123, the first limiting blocks 122 are located between the two second limiting blocks 123, and are sequentially arranged along the extending direction of the key installation groove 13, and abut against the side surface of the substrate 21 away from the key switch 22, so as to limit the movement of the substrate 21, and the two second limiting blocks 123 respectively abut against two ends of the elastic fixing strip 23, so as to limit the movement of the elastic fixing strip 23; in this embodiment, the two ends of the elastic fixing strip 23 are provided with positioning holes 232, and the second limiting block 123 abuts against a portion of the elastic fixing strip 23 on one side of the positioning holes 232. In the present embodiment, the fixing groove 121 is formed in the second stopper 123, and the connection block 211 of the substrate 21 is inserted into the fixing groove 121.
In order to improve the overall structural stability of the limiting portion 12, in some optional embodiments, the top end of the first limiting block 122 and the top end of the second limiting block 123 are both connected to the inner wall of the accommodating cavity 11, wherein the bottom end of one second limiting block 123, the bottom end of the first limiting block 122, and the bottom end of the other second limiting block 123 are sequentially connected by a connecting strip 124.
In some alternative embodiments, the first stopper 122 includes a base 1221 and a stopper 1222 disposed at the bottom of the base 1221, the base 1221 is connected to the inner wall of the accommodating cavity 11, and the stopper 1222 abuts against the side of the substrate 21 away from the key switch 22. In the present embodiment, the base 1221 is snap-fitted with a snap block disposed in the accommodating cavity 11 through a snap groove disposed on the base 1221. Due to the limitation of the internal space of the mobile phone housing 10, in order to avoid the obstruction of the connection structure between the base 1221 and the accommodating cavity 11, which may result in the difficulty in mounting the base plate 21, in some optional embodiments, the top of the base plate 21 is provided with a plurality of avoiding grooves 212, the base 1221 extends into the avoiding grooves 212, and the base 1221 may also play a role in limiting the base plate 21 in the up-down direction.
In order to avoid the position deviation of the substrate 21, in some alternative embodiments, the bottom of the key installation groove 13 is provided with a substrate limiting groove 133, the bottom of the substrate 21 extends into the substrate limiting groove 133, and the position of the substrate 21 can be well limited by the matching base 1221 and the two second limiting blocks 123.
In the present embodiment, the mobile phone case 10 is further provided with a frame 14, the stopper 12 is provided on the frame 14, and the display 30 of the mobile phone can be provided on the frame 14. In addition, an intermediate bracket 40 for supporting the display screen 30 is provided inside the frame 14.
Please refer to fig. 9, which is a schematic structural diagram of a mobile phone according to an embodiment of the present invention, where the key fixing structure described above can be applied to a mobile phone, the mobile phone includes: display screen 30, processing module and as above-mentioned button fixed knot construct, display screen 30 sets up on cell-phone casing 10, and processing module sets up in holding chamber 11, is connected with button subassembly 20 and display screen 30 respectively.
In addition, the substrate 21 may be an FPC board or a PCB board; when the FPC board is used as the substrate 21, since the FPC board is a flexible structure, a support plate is further provided on the substrate 21, and the connection block 211 is provided on the support plate.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A key fixing structure, comprising: the mobile phone comprises a mobile phone shell and a key assembly arranged in the mobile phone shell;
the mobile phone shell is internally provided with an accommodating cavity and a limiting part, the inner side wall of the accommodating cavity is provided with a key mounting groove, a plurality of key holes and a plurality of positioning columns are arranged in the key mounting, the key holes are communicated to the outside of the accommodating cavity, and the limiting part presses the key assembly to the key mounting groove;
the key assembly comprises a substrate, a plurality of key switches, an elastic fixing strip and a plurality of pressing blocks, wherein the key switches are arranged on the side surface of the substrate, a plurality of pressing parts and a plurality of positioning holes are arranged on the elastic fixing strip, the pressing parts are abutted against the key switches in a one-to-one correspondence manner, the pressing blocks are arranged on the elastic fixing strip, and the pressing blocks and the pressing parts are respectively positioned on two sides of the elastic fixing strip and are oppositely arranged;
the elastic fixing strip is arranged in the key mounting groove, the positioning column stretches into the positioning hole, the pressing block movably penetrates through the key hole and protrudes out of the outer surface of the mobile phone shell, the limiting part is pressed against the substrate to be far away from the side face of the key switch and the two ends of the elastic fixing strip, and the substrate and the elastic fixing strip are pressed towards the inside of the key mounting groove.
2. The key fixing structure according to claim 1, wherein: the elastic fixing strip and the pressing block are integrally formed in an injection molding mode.
3. The key fixing structure according to claim 1, wherein: the same pressing block corresponds to at least one pressing part.
4. A key holding structure according to claim 1, wherein: the positioning columns are sequentially arranged along the extending direction of the key mounting groove, and the key holes are positioned between the adjacent positioning columns;
the positioning holes are sequentially arranged along the extending direction of the elastic fixing strip, and the pressing blocks are positioned between the adjacent positioning holes.
5. A key holding structure according to claim 1, wherein: the two ends of the base plate are respectively provided with a connecting block, the limiting part is provided with two fixing grooves, and the connecting blocks are inserted into the fixing grooves in a one-to-one correspondence mode.
6. A key holding structure according to any one of claims 1 to 5, wherein: the limiting part comprises a plurality of first limiting blocks and two second limiting blocks, the first limiting blocks are located between the two second limiting blocks, the first limiting blocks are sequentially arranged along the extending direction of the key mounting groove and are abutted against the side face, far away from the key switch, of the substrate, and the two second limiting blocks are abutted against the two ends of the elastic fixing strip respectively.
7. A key holding structure according to claim 6, wherein: the top of first stopper and the top of second stopper all with the interior wall connection in holding chamber, one of them the bottom of second stopper the bottom of first stopper and another the bottom of second stopper is passed through the connecting strip and is connected according to the preface.
8. A key holding structure according to claim 6, wherein: the top of the substrate is provided with a plurality of avoiding grooves;
the first limiting block comprises a base body and a limiting plate arranged at the bottom of the base body, the base body is connected with the inner wall of the accommodating cavity, the base body extends into the avoiding groove, and the limiting plate is pressed against the side face, far away from the key switch, of the base plate.
9. A key holding structure according to any one of claims 1 to 5, wherein: the bottom of button mounting groove is provided with the base plate spacing groove, the bottom of base plate stretches into the base plate spacing inslot.
10. A cellular phone, comprising: the key fixing structure of any one of claims 1 to 9, and a display screen disposed on the mobile phone housing, a processing module disposed in the accommodating chamber and respectively connected with the key assembly and the display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123295466.3U CN216795061U (en) | 2021-12-23 | 2021-12-23 | Key fixing structure and mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123295466.3U CN216795061U (en) | 2021-12-23 | 2021-12-23 | Key fixing structure and mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216795061U true CN216795061U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123295466.3U Active CN216795061U (en) | 2021-12-23 | 2021-12-23 | Key fixing structure and mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216795061U (en) |
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2021
- 2021-12-23 CN CN202123295466.3U patent/CN216795061U/en active Active
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