CN220651875U - Electronic equipment with fingerprint key - Google Patents

Electronic equipment with fingerprint key Download PDF

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Publication number
CN220651875U
CN220651875U CN202321503718.3U CN202321503718U CN220651875U CN 220651875 U CN220651875 U CN 220651875U CN 202321503718 U CN202321503718 U CN 202321503718U CN 220651875 U CN220651875 U CN 220651875U
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CN
China
Prior art keywords
fingerprint
gasket
circuit board
flexible circuit
steel sheet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202321503718.3U
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Chinese (zh)
Inventor
杜磊
蔡玉超
吴国星
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Kaier Communication Technology Co ltd
Original Assignee
Anhui Kaier Communication Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Kaier Communication Technology Co ltd filed Critical Anhui Kaier Communication Technology Co ltd
Priority to CN202321503718.3U priority Critical patent/CN220651875U/en
Application granted granted Critical
Publication of CN220651875U publication Critical patent/CN220651875U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an electronic device with fingerprint key, comprising: the equipment casing and install the fingerprint button module on equipment casing side, the fingerprint button module includes: the fingerprint chip is characterized by comprising a flexible circuit board and a fingerprint chip electrically connected with the upper surface of one end of the flexible circuit board, wherein a reinforcing steel sheet is arranged under the fingerprint chip and is opposite to the lower surface of the flexible circuit board, a gasket is arranged on one side of the flexible circuit board, the gasket is connected with the reinforcing steel sheet in a matched manner through at least one group of protrusions and grooves, the lower surface of the gasket is provided with a pressing protrusion, the pressing protrusion is arranged under the fingerprint chip, and the lower surface of the pressing protrusion is in extrusion contact with the upper surface of a key. The utility model can realize alignment standard during assembly, reduce the attaching time and cost, improve the attaching efficiency, avoid the sliding position running condition, improve the yield of products and improve the hand feeling of users pressing the fingerprint key module.

Description

Electronic equipment with fingerprint key
Technical Field
The utility model relates to electronic equipment with fingerprint keys, and belongs to the technical field of electronic equipment.
Background
The difference between the side fingerprint module and the traditional front and back fingerprints is that the side fingerprint module is located on the side face of the intelligent device shell, occupation of the front screen by fingerprints is avoided, the screen occupation ratio is improved, the assembly mode of hole digging of the rear battery cover is avoided, and the integrated effect and the waterproof effect of the rear cover of the whole intelligent device are facilitated.
At present, in the matching process of a side fingerprint module and a whole machine, some equipment can be required to match the fingerprint module with key functions, but when the product is assembled, the product is not provided with a counterpoint reference, 100% counterpoint is required to be carried out by adopting a CCD camera through a magnifying glass manually, the man-hour of manual operation is long, the cost is high, the efficiency is low, the situation of running position easily occurs, the product is not flat in installation, and the yield of the product and the hand feeling pressed by a user are reduced.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the electronic equipment with the fingerprint key, which can realize the alignment standard during assembly, reduce the attaching time and cost, improve the attaching efficiency, avoid the sliding position running condition, improve the yield of products and improve the hand feeling of a user pressing the fingerprint key module.
In order to solve the technical problems, the utility model adopts the following technical scheme: an electronic device with fingerprint key, comprising: the equipment casing and install the fingerprint button module on equipment casing side, the fingerprint button module further includes: the electronic device comprises a flexible circuit board and a fingerprint chip electrically connected with the upper surface of one end of the flexible circuit board, wherein the other end of the flexible circuit board is used for being connected with a main board of the electronic device, a reinforcing steel sheet is arranged right below the fingerprint chip on the lower surface of the flexible circuit board, a gasket is arranged on one side of the flexible circuit board opposite to the reinforcing steel sheet, the gasket is connected with the reinforcing steel sheet in a matched mode through at least one group of bulges and grooves, a pressing bulge is arranged on the lower surface of the gasket, the pressing bulge is located right below the fingerprint chip, and the lower surface of the pressing bulge is in extrusion contact with the upper surface of a key.
The further improved scheme in the technical scheme is as follows:
1. in the scheme, the reinforcing steel sheet is connected with the flexible circuit board and the gasket through bonding.
2. In the scheme, two ends of the reinforcing steel sheet are respectively provided with one groove, and 2 protrusions which can be respectively embedded into the grooves are formed on the upper surface of the gasket.
3. In the above scheme, the groove is an arc groove, and the protrusion is an arc protrusion.
4. In the above-mentioned scheme, the flexible circuit board further includes: the fingerprint chip comprises a body part with the upper surface electrically connected with the fingerprint chip and a bending part positioned below the body part, wherein a connector is arranged on the bending part and is used for being connected with a main board of the electronic equipment.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model relates to electronic equipment with fingerprint keys, wherein the other end of a flexible circuit board is used for being connected with a main board of the electronic equipment, a reinforcing steel sheet is arranged on the lower surface of the flexible circuit board and is positioned right below a fingerprint chip, a gasket is arranged on one side of the reinforcing steel sheet, which is opposite to the flexible circuit board, the gasket and the reinforcing steel sheet are connected through at least one group of bulges and grooves in a matched manner, a pressing bulge is arranged on the lower surface of the gasket, the pressing bulge is positioned right below the fingerprint chip, the lower surface of the pressing bulge is in extrusion contact with the upper surface of a key, on the basis of organically combining a side key with fingerprint identification, the reinforcing steel sheet and the gasket can be used as alignment references, the attaching time and cost are reduced, the attaching efficiency is improved, the situation that the reinforcing steel sheet slides and runs during attaching is avoided, the yield of products is improved, and the hand feeling of a user presses a fingerprint key module is improved.
Drawings
Fig. 1 is a schematic structural diagram of an electronic device with fingerprint keys;
fig. 2 is a schematic structural diagram of a fingerprint key module of the electronic device with fingerprint keys;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 1;
fig. 4 is a partial exploded view of an electronic device with fingerprint keys.
In the above figures: 100. an equipment housing; 200. a fingerprint key module; 1. a flexible circuit board; 11. a body portion; 12. a bending part; 13. a connecting rib; 2. a fingerprint chip; 3. reinforcing steel sheets; 4. a gasket; 41. pressing the bulge; 51. a protrusion; 52. a groove; 6. a key; 7. a connector.
Description of the embodiments
The present patent will be further understood by the specific examples given below, which are not intended to be limiting.
Example 1: an electronic device with fingerprint key, comprising: the device housing 100 and install the fingerprint button module 200 on the device housing 100 side, the fingerprint button module 200 further includes: the fingerprint chip 2 that flexible circuit board 1 and with flexible circuit board 1 one end upper surface electricity are connected, the other end of flexible circuit board 1 be used for with electronic equipment's mainboard connection, the lower surface of flexible circuit board 1 and be provided with a reinforcement steel sheet 3 under fingerprint chip 2, this reinforcement steel sheet 3 is provided with a gasket 4 in the one side of flexible circuit board 1 dorsad, through at least a set of protruding 51 and recess 52 cooperation connection between gasket 4 and the reinforcement steel sheet 3, the lower surface of gasket 4 is provided with one and presses protruding 41, should press protruding 41 and be located under the fingerprint chip 2, press the lower surface of protruding 41 and one install the upper surface extrusion contact of the switch button 6 in equipment housing 100.
The reinforcing steel sheet 3 is connected with the flexible circuit board 1 and the gasket 4 through bonding.
Two ends of the reinforcing steel sheet 3 are respectively provided with a groove 52, and 2 protrusions 51 which can be respectively embedded into the grooves 52 are formed on the upper surface of the gasket 4.
The groove 52 is an arc-shaped groove, and the protrusion 51 is an arc-shaped protrusion.
The flexible wiring board 1 further includes: the fingerprint chip comprises a body part 11 with the upper surface electrically connected with the fingerprint chip 2 and a bending part 12 positioned below the body part 11, wherein a connector 7 is mounted on the bending part 12, and the connector 7 is used for being connected with a main board of the electronic equipment.
The main body 11 and the bending portion 12 of the flexible circuit board 1 are connected by a connecting rib 13.
The lower surface of the fingerprint chip 2 is connected with the upper surface of the body 11 of the flexible circuit board 1 by welding.
Example 2: an electronic device with fingerprint key, comprising: the device housing 100 and install the fingerprint button module 200 on the device housing 100 side, the fingerprint button module 200 further includes: the fingerprint chip 2 that flexible circuit board 1 and with flexible circuit board 1 one end upper surface electricity are connected, the other end of flexible circuit board 1 be used for with electronic equipment's mainboard connection, the lower surface of flexible circuit board 1 and be provided with a reinforcement steel sheet 3 under fingerprint chip 2, this reinforcement steel sheet 3 is provided with a gasket 4 in the one side of flexible circuit board 1 dorsad, through at least a set of protruding 51 and recess 52 cooperation connection between gasket 4 and the reinforcement steel sheet 3, the lower surface of gasket 4 is provided with one and presses protruding 41, should press protruding 41 and be located under the fingerprint chip 2, the lower surface of pressing protruding 41 and the upper surface extrusion contact of a button 6.
The gasket 4 is a TPU gasket having elasticity.
The groove 52 is a semicircular groove, and the protrusion 51 is a semicircular protrusion.
The action principle of the utility model is as follows:
when the product is assembled, the arc-shaped bulge of the gasket and the arc-shaped groove on the reinforcing steel sheet are used as alignment references, the gasket is coated with the adhesive, and then the arc-shaped bulge of the gasket is aligned with the arc-shaped bulge of the reinforcing steel sheet, so that the bonding of the reinforcing steel sheet and the gasket is completed, the positioning of the reinforcing steel sheet and the bonding of the gasket is realized, and the situation that the reinforcing steel sheet slides and runs when the bonding is avoided.
By adopting the electronic equipment with the fingerprint key, on the basis of organically combining the side key and the fingerprint identification, the reinforced steel sheet and the gasket can be used as alignment references, the laminating time and cost are reduced, the laminating efficiency is improved, the situation that the reinforced steel sheet slides and runs when laminating is avoided, the yield of products is improved, and the hand feeling of a user pressing the fingerprint key module is improved.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims (3)

1. An electronic device with fingerprint key, comprising: the device comprises a device shell (100) and a fingerprint key module (200) arranged on the side edge of the device shell (100), wherein the fingerprint key module (200) further comprises: the fingerprint chip (2) that flexible line way board (1) and with flexible line way board (1) one end upper surface electricity are connected, the other end of flexible line way board (1) be used for with electronic equipment's mainboard connection, its characterized in that: the fingerprint sensor is characterized in that a reinforcing steel sheet (3) is arranged on the lower surface of the flexible circuit board (1) and located under the fingerprint chip (2), one side of the reinforcing steel sheet (3) opposite to the flexible circuit board (1) is provided with a gasket (4), two ends of the reinforcing steel sheet (3) are respectively provided with a groove (52), 2 protrusions (51) which can be respectively embedded into the grooves (52) are formed on the upper surface of the gasket (4), the grooves (52) are arc-shaped grooves, the protrusions (51) are arc-shaped protrusions, the lower surface of the gasket (4) is provided with a pressing protrusion (41), the pressing protrusion (41) is located under the fingerprint chip (2), and the lower surface of the pressing protrusion (41) is in extrusion contact with the upper surface of a key (6).
2. The electronic device with fingerprint key of claim 1, wherein: the reinforcing steel sheet (3) is connected with the flexible circuit board (1) and the gasket (4) through bonding.
3. The electronic device with fingerprint key of claim 1, wherein: the flexible wiring board (1) further comprises: the fingerprint device comprises a body part (11) with the upper surface electrically connected with the fingerprint chip (2) and a bending part (12) positioned below the body part (11), wherein a connector (7) is installed on the bending part (12), and the connector (7) is used for being connected with a main board of the electronic device.
CN202321503718.3U 2023-06-14 2023-06-14 Electronic equipment with fingerprint key Active CN220651875U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321503718.3U CN220651875U (en) 2023-06-14 2023-06-14 Electronic equipment with fingerprint key

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321503718.3U CN220651875U (en) 2023-06-14 2023-06-14 Electronic equipment with fingerprint key

Publications (1)

Publication Number Publication Date
CN220651875U true CN220651875U (en) 2024-03-22

Family

ID=90270146

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321503718.3U Active CN220651875U (en) 2023-06-14 2023-06-14 Electronic equipment with fingerprint key

Country Status (1)

Country Link
CN (1) CN220651875U (en)

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