CN211671146U - Fixed knot constructs and authentication equipment - Google Patents
Fixed knot constructs and authentication equipment Download PDFInfo
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- CN211671146U CN211671146U CN202020101908.2U CN202020101908U CN211671146U CN 211671146 U CN211671146 U CN 211671146U CN 202020101908 U CN202020101908 U CN 202020101908U CN 211671146 U CN211671146 U CN 211671146U
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- circuit board
- shell
- main circuit
- positioning column
- positioning
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Abstract
The application discloses a fixed structure and identity authentication equipment, which comprise a front shell, a rear shell detachably connected with the front shell, and a main circuit board arranged between the front shell and the rear shell; the main circuit board is provided with a first positioning hole, the inner surface of the front shell is provided with a first front positioning column inserted in the first positioning hole, and the inner surface of the rear shell is provided with a first rear positioning column abutted against the main circuit board. The first positioning hole in the main circuit board is aligned to the first front positioning column, so that the first front positioning column is inserted into the first positioning hole, the rear shell is connected with the front shell, the first rear positioning column in the rear shell abuts against the main circuit board while the rear shell is connected with the front shell, and then the main circuit board is mounted and fixed.
Description
Technical Field
The application relates to the field of electronic equipment, in particular to a fixing structure and identity verification equipment.
Background
Electronic products such as authentication devices have a plate-like member such as a circuit board inside. Plate-shaped components such as circuit boards are usually fixed inside products by screws to avoid the loosening of the circuit boards during the use or transportation of the products.
However, the screw locking connection mode has low assembly efficiency, and the screw post is easy to slip after the use times of the screw post are increased, namely the strength of screw locking is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the application is to provide a fixed knot constructs, aims at solving prior art, among the electronic product, the inefficiency during circuit board fixed installation.
To achieve the purpose, the embodiment of the application adopts the following technical scheme:
the fixing structure comprises a front shell, a rear shell detachably connected with the front shell, and a main circuit board arranged between the front shell and the rear shell; the main circuit board is provided with a first positioning hole, the inner surface of the front shell is provided with a first front positioning column inserted into the first positioning hole, and the inner surface of the rear shell is provided with a first rear positioning column abutted against the main circuit board.
In one embodiment, the front shell further comprises two first buckling plates which are opposite and arranged at intervals, the two first buckling plates are arranged on the inner surface of the front shell, the two first buckling plates are respectively located on two opposite sides of the main circuit board, the first buckling plates are provided with first clamping protrusions, and the first clamping protrusions are abutted to the surface of one side, far away from the first front positioning column, of the main circuit board.
In one embodiment, a first yielding notch adapted to the first buckling plate is formed in the edge of the main circuit board, and the first buckling plate penetrates through the first yielding notch.
In one embodiment, an axis of the first front locating post is collinear with an axis of the first rear locating post, and the first rear locating post completely covers the first locating hole.
In one embodiment, the keyboard further comprises a key circuit board arranged between the front shell and the rear shell; the key circuit board is provided with a second positioning hole, the inner surface of the front shell is provided with a second front positioning column inserted into the second positioning hole, and the inner surface of the rear shell is provided with a second rear positioning column abutted against the key circuit board.
In one embodiment, the button circuit board further comprises two second buckling plates which are opposite and arranged at intervals, the two second buckling plates are arranged on the inner surface of the front shell, and the two second buckling plates are respectively located on two opposite sides of the button circuit board; and the second clamping plate is provided with a second clamping bulge, and the second clamping bulge is abutted with the surface of one side of the key circuit board, which is far away from the second front positioning column.
In one embodiment, a second yielding notch adapted to the second buckling plate is formed in the edge of the key circuit board, and the second buckling plate penetrates through the second yielding notch.
In one embodiment, the axis of the second front positioning column is collinear with the axis of the second rear positioning column, and the second rear positioning column completely covers the second positioning hole.
In one embodiment, the front shell and the rear shell are in screw connection; the edge of the front shell is provided with a limiting groove, and the rear shell is provided with a limiting bulge which is matched with the limiting groove.
In one embodiment, the camera module further comprises a camera circuit board arranged between the front shell and the rear shell; the camera circuit board is provided with a third positioning hole, the inner surface of the front shell is provided with a third front positioning column inserted into the third positioning hole, and the inner surface of the rear shell is provided with a third rear positioning column abutted to the key circuit board.
In one embodiment, the camera module further comprises two third buckling plates which are opposite and arranged at intervals, the two third buckling plates are arranged on the inner surface of the front shell, and the two third buckling plates are respectively positioned on two opposite sides of the camera circuit board; the third clamping plate is provided with a third clamping bulge, and the third clamping bulge is abutted with the surface of one side of the camera circuit board, which is far away from the third front positioning column; the middle part of the main circuit board is provided with a yielding hole; the third buckle board runs through the hole of stepping down.
In one embodiment, the axis of the third front positioning column is collinear with the axis of the third rear positioning column, and the third rear positioning column completely covers the third positioning hole.
An object of this application is to provide an authentication device, including authentication module and the fixed knot who in any above-mentioned implementation fixed knot construct, authentication module with main circuit board electricity is connected.
The beneficial effects of the embodiment of the application are as follows: the first positioning hole in the main circuit board is aligned to the first front positioning column, so that the first front positioning column is inserted into the first positioning hole, the rear shell is connected with the front shell, the first rear positioning column in the rear shell abuts against the main circuit board while the rear shell is connected with the front shell, and then the main circuit board is mounted and fixed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is an exploded view of a fixation structure in an embodiment of the present application from a first perspective;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 2 at B;
FIG. 4 is an exploded view of a second perspective of a fixation structure in an embodiment of the present application;
in the figure:
1. a front housing; 11. a first front locating post; 12. a second front locating post; 13. a third front locating column; 14. a limiting groove;
2. a rear housing; 21. a first rear positioning column; 22. a second rear positioning column; 23. a third rear locating column; 24. a limiting bulge;
3. a main circuit board; 31. a first positioning hole; 32. a first abdication gap; 33. a hole of abdication;
4. a first buckle plate; 41. a first clamping protrusion;
5. a key circuit board; 51. a second positioning hole; 52. a second abdication gap;
6. a second buckle plate; 61. a second clamping protrusion;
7. a camera circuit board; 71. a third positioning hole;
8. a third buckle plate; 81. a third clamping protrusion;
9. an identity authentication module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The following detailed description of implementations of the present application is provided in conjunction with specific embodiments.
As shown in fig. 1 to 4, the present embodiment provides a fixing structure, which includes a front shell 1, a rear shell 2 detachably connected to the front shell 1, and a main circuit board 3 disposed between the front shell 1 and the rear shell 2; the main circuit board 3 is provided with a first positioning hole 31, the inner surface of the front shell 1 is provided with a first front positioning column 11 inserted in the first positioning hole 31, and the inner surface of the rear shell 2 is provided with a first rear positioning column 21 abutted against the main circuit board 3.
In an embodiment of the present application, the main circuit board 3 may be a board having a processor and associated circuitry. When the main circuit board 3 is installed: first locating hole 31 on main circuit board 3 aims at first preceding reference column 11 earlier for first preceding reference column 11 inserts in first locating hole 31, then links to each other backshell 2 and preceding shell 1, and when backshell 2 was connected with preceding shell 1, first back reference column 21 on backshell 2 supported main circuit board 3, and then accomplished main circuit board 3's installation fixed, for the mode of a plurality of screw locking main circuit board 3, the operating efficiency of fixing process is high.
Because the first front positioning column 11 is inserted into the first positioning hole 31, the main circuit board 3 can be prevented from sliding along the plane where the main circuit board 3 is located, the first rear positioning column 21 abuts against the surface of the main circuit board 3, and further the axial movement of the main circuit board 3 along the first rear positioning column 21 is prevented, so that the main circuit board 3 can be fixedly mounted. Compared with a screw locking mode, the fixing and assembling time is shortened, the fixing and assembling structure can be disassembled and assembled for many times, and the fixing and assembling structure is not easy to damage.
Referring to fig. 1-2, as another specific embodiment of the fixing structure provided by the present application, the fixing structure further includes two first fastening plates 4 disposed oppositely and at an interval, the two first fastening plates 4 are disposed on the inner surface of the front housing 1, the two first fastening plates 4 are respectively located on two opposite sides of the main circuit board 3, the first fastening plates 4 have first fastening protrusions 41, and the first fastening protrusions 41 abut against a surface of a side of the main circuit board 3 away from the first front positioning posts 11, so as to further fix the main circuit board 3. The first front positioning column 11, the first rear positioning column 21 and the first clamping protrusion 41 on the first buckle plate 4 are matched to fixedly mount the main circuit board 3, so that the main circuit board 3 is still not easy to loosen when being impacted by a large external force.
Referring to fig. 2, as another embodiment of the fixing structure provided in the present application, a first avoiding notch 32 adapted to the first fastening plate 4 is formed at an edge of the main circuit board 3, and the first fastening plate 4 penetrates through the first avoiding notch 32. Therefore, the first fastening plate 4 can limit the main circuit board 3 in the first yielding notch 32, so as to further improve the fixing stability of the main circuit board 3.
Referring to fig. 1, as another embodiment of the fixing structure provided in the present application, an axis of the first front positioning column 11 is collinear with an axis of the first rear positioning column 21, and the two application forces are not staggered, so that the pressing effect on the main circuit board 3 can be ensured; the first rear positioning post 21 completely covers the first positioning hole 31.
Referring to fig. 1 and 3, as another embodiment of the fixing structure provided by the present application, the fixing structure further includes a key circuit board 5 (which may be on the same plane as the main circuit board 3 or parallel to each other without overlapping portions) disposed between the front casing 1 and the rear casing 2; the key circuit board 5 is provided with a second positioning hole 51, the inner surface of the front shell 1 is provided with a second front positioning column 12 inserted into the second positioning hole 51, and the inner surface of the rear shell 2 is provided with a second rear positioning column 22 abutted against the key circuit board 5.
When the main circuit board 3 and the key circuit board 5 are installed simultaneously, the first positioning hole 31 and the second positioning hole 51 on the main circuit board 3 are respectively aligned with the first front positioning column 11 and the second front positioning column 12, so that the first front positioning column 11 is inserted into the first positioning hole 31, the second front positioning column 12 is inserted into the second positioning hole 51, then the rear shell 2 is connected with the front shell 1, the first rear positioning column 21 on the rear shell 2 supports against the main circuit board 3, the second rear positioning column 22 supports against the key circuit board 5 while the rear shell 2 is connected with the front shell 1, and then the installation and fixation of the main circuit board 3 and the key circuit board 5 are completed.
Referring to fig. 3, as another specific embodiment of the fixing structure provided in the present application, the fixing structure further includes two second fastening plates 6 disposed opposite to each other and at an interval, the two second fastening plates 6 are disposed on the inner surface of the front housing 1, and the two second fastening plates 6 are respectively located on two opposite sides of the key circuit board 5; the second fastening plate 6 is provided with a second fastening protrusion 61, and the second fastening protrusion 61 abuts against the surface of the side, away from the second front positioning column 12, of the key circuit board 5, so as to further fix the key circuit board 5. The second front positioning column 12, the second rear positioning column 22 and the second clamping protrusion 61 on the second fastening plate 6 cooperate to fixedly mount the key circuit board 5, so that the key circuit board 5 is still not easy to loosen when being impacted by a large external force.
Referring to fig. 3, as another embodiment of the fixing structure provided in the present application, a second avoiding notch 52 adapted to the second fastening plate 6 is formed at an edge of the key circuit board 5, and the second fastening plate 6 penetrates through the second avoiding notch 52. Therefore, the second fastening plate 6 can limit the key circuit board 5 in the second abdicating notch 52, so as to further improve the fixing stability of the key circuit board 5.
Referring to fig. 1, as another embodiment of the fixing structure provided in the present application, the axis of the second front positioning column 12 is collinear with the axis of the second rear positioning column 22, and the two forces are not staggered, so as to ensure the pressing effect on the key circuit board 5; the second rear positioning post 22 completely covers the second positioning hole 51.
Referring to fig. 1 and 4, as another embodiment of the fixing structure provided by the present application, the front shell 1 and the rear shell 2 are connected by a screw or by a snap connection; the edge of the front shell 1 is provided with a limit groove 14, and the rear shell 2 is provided with a limit bulge 24 which is matched with the limit groove 14, so that the front shell 1 is prevented from twisting relative to the rear shell 2.
Referring to fig. 1 and 3, as another embodiment of the fixing structure provided in the present application, the fixing structure further includes a camera circuit board 7 (which may be connected to the main circuit) disposed between the front case 1 and the rear case 2; the camera circuit board 7 is provided with a third positioning hole 71, the inner surface of the front shell 1 is provided with a third front positioning column 13 inserted into the third positioning hole 71, and the inner surface of the rear shell 2 is provided with a third rear positioning column 23 abutted against the key circuit board 5.
When the main circuit board 3, the camera circuit board 7 and the key circuit board 5 are simultaneously installed, the first positioning hole 31, the second positioning hole 51 and the third positioning hole 71 on the main circuit board 3 are respectively aligned with the first front positioning column 11, the second front positioning column 12 and the third front positioning column 13, so that the first front positioning column 11 is inserted into the first positioning hole 31, the second front positioning column 12 is inserted into the second positioning hole 51, the third front positioning column 13 is inserted into the third positioning hole 71, then the rear shell 2 is connected with the front shell 1, while the rear shell 2 is connected with the front shell 1, the first rear positioning column 21 on the rear shell 2 abuts against the main circuit board 3, the second rear positioning column 22 abuts against the key circuit board 5, and the third rear positioning column 23 abuts against the camera circuit board 7, thereby completing the installation and fixation of the main circuit board 3 and the key circuit board 5.
Referring to fig. 3, as another specific embodiment of the fixing structure provided in the present application, the fixing structure further includes two third buckling plates 8 disposed opposite to each other and at an interval, the two third buckling plates 8 are disposed on the inner surface of the front housing 1, and the two third buckling plates 8 are respectively disposed on two opposite sides of the camera circuit board 7; the third fastening plate 8 is provided with a third fastening protrusion 81, and the third fastening protrusion 81 abuts against the surface of the side, away from the third front positioning column 13, of the camera circuit board 7 so as to further fix the camera circuit board 7. The camera circuit board 7 is fixedly mounted by the cooperation of the third front positioning column 13, the third rear positioning column 23 and the third clamping protrusion 81 on the third clamping plate 8, so that the camera circuit board 7 is still not easy to loosen when being impacted by large external force.
The middle part of the main circuit board 3 is provided with a yielding hole 33; the third buckle plate 8 penetrates through the abdicating hole 33, so that the main circuit board 3 can limit the third buckle plate 8, and the overlarge deflection angle of the third buckle plate 8 is avoided.
Referring to fig. 1 and 3, as another embodiment of the fixing structure provided by the present application, an axis of the third front positioning column 13 is collinear with an axis of the third rear positioning column 23, and the two force applications are not staggered, so that the pressing effect on the camera circuit board 7 can be ensured; the third rear positioning post 23 completely covers the third positioning hole 71.
The identity authentication device comprises an identity authentication module 9 and a fixing structure in any one of the embodiments, wherein the identity authentication module 9 is electrically connected with the main circuit board 3. The authentication module 9 can be a fingerprint recognition module, an iris recognition module, a face recognition module, etc.
It is to be understood that aspects of the present invention may be practiced otherwise than as specifically described.
It should be understood that the above examples are merely examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.
Claims (10)
1. The fixing structure is characterized by comprising a front shell, a rear shell detachably connected with the front shell, and a main circuit board arranged between the front shell and the rear shell; the main circuit board is provided with a first positioning hole, the inner surface of the front shell is provided with a first front positioning column inserted into the first positioning hole, and the inner surface of the rear shell is provided with a first rear positioning column abutted against the main circuit board.
2. The fixing structure according to claim 1, further comprising two first fastening plates disposed opposite to each other and spaced apart from each other, wherein the two first fastening plates are disposed on an inner surface of the front housing, the two first fastening plates are respectively disposed on two opposite sides of the main circuit board, the first fastening plates have first fastening protrusions thereon, and the first fastening protrusions abut against a surface of the main circuit board on a side away from the first front positioning post.
3. The fixing structure according to claim 2, wherein a first abdicating notch adapted to the first buckling plate is formed at an edge of the main circuit board, and the first buckling plate penetrates through the first abdicating notch.
4. The fixed structure of claim 1, wherein an axis of the first front positioning post is collinear with an axis of the first rear positioning post, and the first rear positioning post completely covers the first positioning hole.
5. The fixing structure according to claim 1, further comprising a key circuit board provided between the front case and the rear case; the key circuit board is provided with a second positioning hole, the inner surface of the front shell is provided with a second front positioning column inserted into the second positioning hole, and the inner surface of the rear shell is provided with a second rear positioning column abutted against the key circuit board.
6. The fixing structure according to claim 5, further comprising two second snap-in plates disposed opposite to each other and spaced apart from each other, wherein the two second snap-in plates are disposed on an inner surface of the front housing, and the two second snap-in plates are respectively disposed on two opposite sides of the key circuit board; and the second clamping plate is provided with a second clamping bulge, and the second clamping bulge is abutted with the surface of one side of the key circuit board, which is far away from the second front positioning column.
7. The fixing structure of claim 6, wherein a second abdicating notch adapted to the second buckling plate is formed at an edge of the key circuit board, and the second buckling plate penetrates through the second abdicating notch.
8. The fixed structure of claim 5, wherein an axis of the second front positioning post is collinear with an axis of the second rear positioning post, and the second rear positioning post completely covers the second positioning hole.
9. The fixation structure according to any one of claims 1 to 8, wherein the front shell and the rear shell are screwed; the edge of the front shell is provided with a limiting groove, and the rear shell is provided with a limiting bulge which is matched with the limiting groove.
10. Authentication device comprising an authentication module and a fixing structure according to any of claims 1-9, said authentication module being electrically connected to said main circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020101908.2U CN211671146U (en) | 2020-01-16 | 2020-01-16 | Fixed knot constructs and authentication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020101908.2U CN211671146U (en) | 2020-01-16 | 2020-01-16 | Fixed knot constructs and authentication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211671146U true CN211671146U (en) | 2020-10-13 |
Family
ID=72738127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020101908.2U Active CN211671146U (en) | 2020-01-16 | 2020-01-16 | Fixed knot constructs and authentication equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211671146U (en) |
-
2020
- 2020-01-16 CN CN202020101908.2U patent/CN211671146U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: No.32, Pingshan Industrial Road, Tangxia Town, Dongguan City, Guangdong Province, 523710 Patentee after: Entropy Technology Co., Ltd Address before: 523710, 26, 188 Industrial Road, Pingshan Town, Guangdong, Dongguan, Tangxia Patentee before: Entropy Technology Co., Ltd |
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| CP02 | Change in the address of a patent holder |