CN215987083U - Fingerprint button module and electronic equipment - Google Patents
Fingerprint button module and electronic equipment Download PDFInfo
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- CN215987083U CN215987083U CN202121600644.6U CN202121600644U CN215987083U CN 215987083 U CN215987083 U CN 215987083U CN 202121600644 U CN202121600644 U CN 202121600644U CN 215987083 U CN215987083 U CN 215987083U
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- fingerprint
- circuit board
- key module
- bending portion
- middle frame
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Abstract
The utility model provides a fingerprint key module, which is applied to electronic equipment and comprises a fingerprint chip, a fingerprint circuit board, a reinforcing piece and a hanging table, wherein the fingerprint chip is arranged on the fingerprint circuit board; the fingerprint circuit board comprises a fingerprint circuit board body and a bending part formed by bending one end of the fingerprint circuit board body; the fingerprint circuit board body is fixed on the other side opposite to the sensing surface of the fingerprint chip, the reinforcing piece is fixed on one side of the fingerprint circuit board body, which is far away from the fingerprint chip, and the bent part is adhered to the surface of the reinforcing piece after being bent; the surface of the reinforcing piece, which is far away from the fingerprint chip, is provided with a groove, the hanging table is fixed in the groove, and the hanging table is used for being clamped and connected with a middle frame of the electronic equipment. The utility model also provides electronic equipment. According to the fingerprint key module and the electronic equipment, the middle frame does not need to be hollowed, the middle frame does not have an inverted buckle structure, the die does not need to be provided with the inclined top, the assembling efficiency is high, and the maintenance cost is reduced.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of keys, in particular to a fingerprint key module and electronic equipment.
[ background of the utility model ]
With the development and progress of science and technology, the structure of fingerprint module and power key integral type in electronic equipment (for example, cell-phone) is more and more commonly used. The modeling design of the mobile phone is thinner and thinner, the structural space of the whole mobile phone is more and more limited, all bearing tasks of the whole mobile phone fall on a structural shell (a middle frame or a front shell part), the whole mobile phone is inevitably weakened in strength due to the thinning of the whole mobile phone in the thickness direction, particularly, the structural strength of a side hole area of the middle frame or the front shell is weakened, and the risk of the reliability test of the whole mobile phone is aggravated.
Generally, a circuit board of the fingerprint module is led out from the side edge, a straight extending position needs to be reserved for wiring, the straight extending area is larger than that of a fingerprint chip, and in order to avoid the circuit board, a middle frame shell needs to be specially hollowed out, so that the structural strength of the whole machine is further deteriorated; in addition, the hollowed area of the middle frame shell is of a reverse buckling structure, the die needs to be manufactured into an inclined top, and the manufacturing cost of the die is high; when the production line is assembled, an operator needs to plug the circuit board at the wire outlet end into the middle frame shell, the assembly difficulty is high, the assembly efficiency is low, the circuit board with the wire outlet at the side edge is easily torn off during after-sale maintenance, and the maintenance is difficult.
In view of the above, it is desirable to provide a novel fingerprint key module and an electronic device to overcome the above-mentioned drawbacks.
[ Utility model ] content
The utility model aims to provide a fingerprint key module and electronic equipment, wherein the middle frame does not need to be hollowed, the middle frame does not have an inverted buckle structure, a die does not need to be provided with an inclined top, the assembly efficiency is high, a fingerprint circuit board is not easy to tear during after-sale maintenance, and the maintenance cost is reduced.
In order to achieve the above object, in a first aspect, the present invention provides a fingerprint key module applied to an electronic device, including a fingerprint chip, a fingerprint circuit board, a reinforcement member, and a hanging platform; the fingerprint circuit board comprises a fingerprint circuit board body and a bending part formed by bending one end of the fingerprint circuit board body; the fingerprint circuit board body is fixed on the other side opposite to the sensing surface of the fingerprint chip, the reinforcing piece is fixed on one side of the fingerprint circuit board body, which is far away from the fingerprint chip, and the bending part is bent and then adhered to the surface of the reinforcing piece; the surface of the reinforcing piece, which is far away from the fingerprint chip, is provided with a groove, the hanging table is fixed in the groove, and the hanging table is used for being clamped and connected with a middle frame of the electronic equipment.
In a preferred embodiment, the bending portion includes a first bending portion formed by bending one end of the fingerprint circuit board body and a second bending portion formed by bending one end of the first bending portion, the reinforcing member includes a bottom surface fixedly connected to the fingerprint circuit board body, a top surface opposite to the bottom surface, and a plurality of side surfaces connecting the top surface and the bottom surface, the first bending portion is adhered to one of the side surfaces, and the second bending portion is adhered to the top surface.
In a preferred embodiment, the reinforcing member further comprises a reinforcing plate, a receiving groove is formed in a top surface of the reinforcing member, and the reinforcing plate is fixed in the receiving groove.
In a preferred embodiment, the reinforcing plate further comprises a power key, the power key is fixed on the second bending part, and the power key is opposite to the reinforcing plate.
In a preferred embodiment, the end of the platform remote from the stiffener is provided with a flange.
In a preferred embodiment, the fingerprint circuit board further includes an extended trace portion connected to the bent portion, and a connector electrically connected to a main board of the electronic device is disposed at an end of the extended trace portion away from the bent portion.
In a second aspect, the present invention further provides an electronic device, including a middle frame, a bracket and the fingerprint key module as described above, where the middle frame is provided with a key hole and an accommodating cavity communicated with the key hole, the fingerprint key module is inserted into the key hole and accommodated in the accommodating cavity, and the bracket is used to fix the fingerprint key module in the accommodating cavity of the middle frame.
In a preferred embodiment, the support comprises a top plate and a side plate connected with the top plate, the top plate is fixed with the middle frame through a bolt, and the top plate and the side plate both abut against the fingerprint key module.
Compared with the prior art, according to the fingerprint key module and the electronic equipment, the fingerprint circuit board body is fixed on one side of the fingerprint chip, the reinforcing piece is fixed on one side of the fingerprint circuit board body, the bending part of the fingerprint circuit board is adhered to the surface of the reinforcing piece after being bent, the bending part does not need to occupy the space of the middle frame, the middle frame does not need to be hollowed, the structural strength of the middle frame is improved, the middle frame does not have an inverted buckle structure, the mold does not need to be provided with an inclined top, the mold structure is simple, and the manufacturing cost is low. And, be provided with on the reinforcement and hang the platform, hang the platform and can hold with electronic equipment's center card and be connected for the packaging efficiency of fingerprint button module is high, and the difficult tear of fingerprint circuit board when the after-sales maintenance has reduced cost of maintenance.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a three-dimensional structure diagram of a fingerprint key module provided by the utility model;
fig. 2 is a plan structure view of the fingerprint key module according to the present invention;
fig. 3 is a further plan structural view of the fingerprint key module provided in the present invention;
FIG. 4 is a diagram of an assembled structure of an electronic device according to the present invention;
FIG. 5 is an exploded view of the electronic device provided by the present invention;
FIG. 6 is a plan view of an electronic device according to the present invention;
fig. 7 is a further plan structural view of the electronic device provided by the present invention.
[ detailed description ] embodiments
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. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, 2 and 3, the present invention provides a fingerprint key module 100, which includes a fingerprint chip 10, a fingerprint circuit board 20, a reinforcement member 30 and a hanging platform 40.
The fingerprint circuit board 20 includes a fingerprint circuit board body 21 and a bending portion 22 formed by bending one end of the fingerprint circuit board body 21. The fingerprint circuit board body 21 is fixed on the other side opposite to the sensing surface 11 of the fingerprint chip 10, the reinforcing member 30 is fixed on one side of the fingerprint circuit board body 21 far away from the fingerprint chip 10, and the bending part 22 is adhered to the surface of the reinforcing member 30 after being bent. The surface of the reinforcing member 30 far away from the fingerprint chip 10 is provided with a groove 31, the hanging table 40 is fixed in the groove 31, and the hanging table 40 is used for being connected with a middle frame of the electronic device in a clamping manner.
According to the fingerprint key module 100, the fingerprint circuit board body 21 is fixed on one side of the fingerprint chip 10, the reinforcing piece 30 is fixed on one side of the fingerprint circuit board body 21, the bending part 22 of the fingerprint circuit board 20 is adhered to the surface of the reinforcing piece 30 after being bent, the bending part 22 does not need to occupy the space of the middle frame, the middle frame does not need to be hollowed, the structural strength of the middle frame is improved, the middle frame does not have an inverted buckle structure, a die does not need to be provided with an inclined top, the die is simple in structure, and the manufacturing cost is low. Moreover, the hanging table 40 is arranged on the reinforcing member 30, and the hanging table 40 can be connected with the middle frame of the electronic device in a clamping manner, so that the fingerprint key module 100 is high in assembly efficiency, the fingerprint circuit board 20 is not easy to tear off during after-sale maintenance, and the maintenance cost is reduced.
It can be understood that the fingerprint chip 10, i.e. the chip embedded with the fingerprint identification technology, can implement the functions of image acquisition, feature extraction and feature comparison of fingerprints, and the shape and size of the fingerprint chip 10 are determined according to the requirements of design modeling and function implementation, such as racetrack shape, rectangle, etc. The fingerprint Circuit Board 20 is an FPC (Flexible Printed Circuit Board), and the fingerprint Circuit Board 20 is electrically connected to the fingerprint chip 10 and a main Board of the electronic device to implement the function of the fingerprint chip 10.
The fingerprint circuit board body 21 and the fingerprint chip 10 are fixed in a dispensing manner. The bending portion 22 includes a first bending portion 221 formed by bending one end of the fingerprint circuit board body 21 and a second bending portion 222 formed by bending one end of the first bending portion 221. The reinforcing member 30 includes a bottom surface 301 fixedly connected to the fingerprint circuit board body 21, a top surface 302 opposite to the bottom surface 301, and a plurality of side surfaces 303 connecting the top surface 302 and the bottom surface 301, wherein the first bending portion 221 is adhered to one of the side surfaces 303, and the second bending portion 222 is adhered to the top surface 302. Specifically, the first bending portion 221 is formed by bending one end of the fingerprint circuit board body 21 in a direction perpendicular to the fingerprint circuit board body 21, the second bending portion 222 is formed by bending one end of the first bending portion 221 in a direction perpendicular to the first bending portion 221, the first bending portion 221 is perpendicular to the fingerprint circuit board body 21 and the second bending portion 222, and the first bending portion 221 and the second bending portion 222 are both used for outgoing lines of the fingerprint circuit board 20.
In this embodiment, the first bending portion 221 is adhered to the side surface 303 through the back adhesive after being bent, the second bending portion 222 is adhered to the top surface 302 through the back adhesive after being bent, the first bending portion 221 and the second bending portion 222 do not need to occupy the space of the middle frame additionally, the structural strength of the middle frame is improved, in addition, during assembly, the step of plugging the bending portion 22 into the middle frame from the side edge is avoided, the assembly efficiency is improved, during after-sale maintenance, the fingerprint circuit board 20 is prevented from being torn when the bending portion 22 is detached from the side edge, and after-sale maintenance is facilitated. It is understood that the circuit board 20 is flexible, and the bent portion 22 is bent to adhere to the outer surface of the reinforcing member 30 for fixing.
Further, the fingerprint circuit board 20 further includes an extension wire portion 23 connected to the bending portion 22, and a connector 231 electrically connected to the main board of the electronic device is disposed at an end of the extension wire portion 23 away from the bending portion 22, so as to transmit signals between the fingerprint circuit board 20 and the main board of the electronic device.
The material of the reinforcing member 30 can be stainless steel or aluminum alloy, the reinforcing member 30 has supporting and reinforcing functions, and the reinforcing member 30 and the fingerprint circuit board body 21 are fixed in a cold welding mode. The top surface 302 of the reinforcing member 30 is provided with two grooves 31, the grooves 31 are used for accommodating the hanging platform 40, in this embodiment, the number of the grooves 31 is two, one of the grooves 31 is close to the first bending portion 221, the other groove 31 is located at one end of the reinforcing member 30 far away from the first bending portion 221, and the other groove 31 is communicated with one side surface 303 of the reinforcing member 30, that is, one end of the reinforcing member 30 far away from the first bending portion 221 forms a notch, which is beneficial to processing and customizing of the reinforcing member 30.
The hanging table 40 is a soft adhesive hanging table, the hanging table 40 is fixed in the groove 31 in an adhesive dispensing mode, a flange 41 is arranged at one end of the hanging table 40, which is far away from the reinforcement piece 30, and the flange 41 can be connected with a middle frame of the electronic device in a clamping mode. Specifically, the hanging table 40 can be customized according to the function realization requirement of the structure, and is formed by adopting the oil pressure of a mold.
The fingerprint key module 100 further includes a reinforcing plate 50, wherein the top surface 302 of the reinforcing member 30 is provided with a receiving groove 32, and the reinforcing plate 50 is fixed in the receiving groove 32. Specifically, the reinforcing plate 50 may be flush with the top surface 302 of the reinforcing member 30, and the material of the reinforcing plate 50 may be a steel sheet. The fingerprint key module 100 further includes a power key 60, the power key 60 is fixed on the second bending portion 222, and the power key 60 is opposite to the reinforcing plate 50. It can be understood that the reinforcing plate 50 and the power key 60 are located at two sides of the second bending portion 222, and the positions of the reinforcing plate 50 and the power key 60 are opposite, so that the reinforcing plate 50 can reinforce and support the power key 60.
Referring to fig. 4 and 5, the present invention further provides an electronic device 200, which includes a middle frame 201, a bracket 202 and the fingerprint key module 100 according to any of the above embodiments, wherein the middle frame 201 is provided with a key hole 203 and an accommodating cavity 204 communicating with the key hole 203, the fingerprint key module 100 is inserted into the key hole 203 and accommodated in the accommodating cavity 204, and the bracket 202 is used for fixing the fingerprint key module 100 in the accommodating cavity 204 of the middle frame 201. Specifically, the bracket 202 includes a top plate 205 and a side plate 206 connected to the top plate 205, the top plate 205 is fixed to the middle frame 201 by a bolt 207, and both the top plate 205 and the side plate 206 are abutted to the fingerprint key module 100. In this embodiment, the number of the side plates 206 is plural, one of the side plates 206 abuts against the power key 60 in the key module 100, and the other side plates 206 and the top plate 205 all abut against the side 303 of the reinforcement 30 in the key module 100, so that the fingerprint key module 100 is stably fixed in the middle frame 201.
Referring to fig. 6 and 7, when the fingerprint key module 100 is assembled to the electronic device 200, the fingerprint key module 100 is inserted into the accommodating cavity 204 from the key hole 203 on the side surface of the middle frame 201, and the middle frame is hooked by the flange 41 of the hanging platform 40 to complete pre-assembly; then, the bracket 202 is pressed into the middle frame 201 from the upper part, so that one side plate 206 of the bracket 202 is abutted against the power key 60, and the key function is realized; other curb plates 206 and roof 205 all lean on the side 303 of reinforcement 30 in button module 100, rethread bolt 207 is fixed roof 205 and center 201, realized promptly firmly being fixed in center 201 with fingerprint button module 100 in, fingerprint circuit board 20 need not to occupy the space of center 201 in addition, center 201 need not to be hollowed out and is handled, the structural strength of center has been improved, and fingerprint button module 100's packaging efficiency is high, fingerprint circuit board 20 is difficult for tearing open during after-sale maintenance, and maintenance cost is reduced.
It can be understood that the electronic device 200 provided by the present invention can be, but is not limited to, a mobile phone, a tablet computer, and a notebook computer, and all embodiments of the fingerprint key module 100 provided by the present invention are applicable to the electronic device 200 provided by the present invention, and can achieve the same or similar beneficial effects.
In summary, according to the fingerprint key module 100 and the electronic device 200 provided by the present invention, the fingerprint circuit board body 21 is fixed to one side of the fingerprint chip 10, the reinforcing member 30 is fixed to one side of the fingerprint circuit board body 21, the bending portion 22 of the fingerprint circuit board 20 is bent and then adhered to the surface of the reinforcing member 30, the bending portion 22 does not occupy the space of the middle frame, the middle frame does not need to be hollowed, the structural strength of the middle frame is improved, the middle frame does not have an inverted buckle structure, the mold does not need to be manufactured with an oblique top, the mold structure is simple, and the manufacturing cost is low. Moreover, the hanging table 40 is arranged on the reinforcing member 30, and the hanging table 40 can be connected with the middle frame of the electronic device in a clamping manner, so that the fingerprint key module 100 is high in assembly efficiency, the fingerprint circuit board 20 is not easy to tear off during after-sale maintenance, and the maintenance cost is reduced.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A fingerprint key module is applied to electronic equipment and is characterized by comprising a fingerprint chip, a fingerprint circuit board, a reinforcing piece and a hanging table; the fingerprint circuit board comprises a fingerprint circuit board body and a bending part formed by bending one end of the fingerprint circuit board body; the fingerprint circuit board body is fixed on the other side opposite to the sensing surface of the fingerprint chip, the reinforcing piece is fixed on one side of the fingerprint circuit board body, which is far away from the fingerprint chip, and the bending part is bent and then adhered to the surface of the reinforcing piece; the surface of the reinforcing piece, which is far away from the fingerprint chip, is provided with a groove, the hanging table is fixed in the groove, and the hanging table is used for being clamped and connected with a middle frame of the electronic equipment.
2. The fingerprint key module of claim 1, wherein the bending portion comprises a first bending portion formed by bending one end of the fingerprint circuit board body and a second bending portion formed by bending one end of the first bending portion, the reinforcing member comprises a bottom surface fixedly connected with the fingerprint circuit board body, a top surface opposite to the bottom surface, and a plurality of side surfaces connecting the top surface and the bottom surface, the first bending portion is adhered to one of the side surfaces, and the second bending portion is adhered to the top surface.
3. The fingerprint key module of claim 2, further comprising a reinforcing plate, wherein a top surface of the reinforcing member defines a receiving slot, and the reinforcing plate is fixed in the receiving slot.
4. The fingerprint key module of claim 3, further comprising a power key, wherein the power key is fixed on the second bending portion, and the power key is opposite to the reinforcing plate.
5. The fingerprint key module of claim 1, wherein an end of the hanging platform away from the stiffener is provided with a flange.
6. The fingerprint key module of claim 1, wherein the fingerprint circuit board further comprises an extended trace portion connected to the bending portion, and a connector electrically connected to a main board of the electronic device is disposed at an end of the extended trace portion away from the bending portion.
7. The electronic equipment is characterized by comprising a middle frame, a support and the fingerprint key module as in any one of 1-6, wherein the middle frame is provided with a key hole and a containing cavity communicated with the key hole, the fingerprint key module is inserted into the key hole and contained in the containing cavity, and the support is used for fixing the fingerprint key module in the containing cavity of the middle frame.
8. The electronic device of claim 7, wherein the bracket comprises a top plate and a side plate connected with the top plate, the top plate is fixed with the middle frame through a bolt, and the top plate and the side plate both abut against the fingerprint key module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121600644.6U CN215987083U (en) | 2021-07-14 | 2021-07-14 | Fingerprint button module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121600644.6U CN215987083U (en) | 2021-07-14 | 2021-07-14 | Fingerprint button module and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215987083U true CN215987083U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121600644.6U Active CN215987083U (en) | 2021-07-14 | 2021-07-14 | Fingerprint button module and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215987083U (en) |
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2021
- 2021-07-14 CN CN202121600644.6U patent/CN215987083U/en active Active
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