CN220273942U - Printed circuit board and electronic device - Google Patents
Printed circuit board and electronic device Download PDFInfo
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- CN220273942U CN220273942U CN202321647110.8U CN202321647110U CN220273942U CN 220273942 U CN220273942 U CN 220273942U CN 202321647110 U CN202321647110 U CN 202321647110U CN 220273942 U CN220273942 U CN 220273942U
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- pressing structure
- circuit board
- printed circuit
- inclined surface
- mounting
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- 239000011148 porous material Substances 0.000 claims abstract description 24
- 238000003475 lamination Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- WABPQHHGFIMREM-AKLPVKDBSA-N lead-210 Chemical compound [210Pb] WABPQHHGFIMREM-AKLPVKDBSA-N 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The application provides a printed circuit board and an electronic device, and relates to the field of electronic components. The printed circuit board comprises a pressing structure, wherein the pressing structure is provided with a mounting pore canal, the mounting pore canal extends along the thickness direction of the pressing structure, the mounting pore canal is provided with an arc-shaped surface, and the curvature of at least part of the arc-shaped surface is different from the curvature of the rest of the arc-shaped surface in the plane of the pressing structure; the pressing structure is also provided with an inclined plane, a first end of the inclined plane is connected with the surface of the pressing structure, and a second end of the inclined plane is connected with the arc-shaped surface; and in the plane of the pressing structure, the first end of the inclined surface faces away from the arc-shaped surface relative to the second end of the inclined surface. The fastener such as components and parts and screw easily appear not hard up etc. condition can be solved to this application to influence printed circuit board result of use's problem.
Description
Technical Field
The present disclosure relates to the field of electronic components, and more particularly, to a printed circuit board and an electronic device.
Background
The printed circuit board is an important electronic component, can replace complex wiring, reduces the whole volume, reduces the equipment cost and improves the quality and the reliability of the electronic equipment by using the printed circuit board.
The printed circuit board comprises a pressing structure, and the pressing structure is provided with a mounting pore canal so as to fix components on the pressing structure through the mounting pore canal or connect fasteners such as screws and the like to the pressing structure through the mounting pore canal; however, the fasteners such as components and screws are easy to loose, so that the use effect of the printed circuit board is affected.
Disclosure of Invention
The embodiment of the application provides a printed circuit board and an electronic device for solving the problem that the use effect of the printed circuit board is affected due to the fact that fasteners such as components and screws are easy to loose.
The embodiment of the application provides a printed circuit board, which comprises a pressing structure;
the pressing structure is provided with a mounting pore canal which extends along the thickness direction of the pressing structure, the mounting pore canal is provided with an arc-shaped surface, and in the plane of the pressing structure, the curvature of at least part of the arc-shaped surface is different from the curvature of the rest of the arc-shaped surface;
the pressing structure is also provided with an inclined plane, a first end of the inclined plane is connected with the surface of the pressing structure, and a second end of the inclined plane is connected with the arc-shaped surface; and in the plane of the pressing structure, the first end of the inclined surface faces away from the arc-shaped surface relative to the second end of the inclined surface.
By adopting the technical scheme, the inclined surface is arranged on the pressing structure, the first end of the inclined surface is connected with the surface of the pressing structure, and the second end of the inclined surface is connected with the arc-shaped surface; when the components are required to be fixed on the pressing structure by using the mounting pore canal, the lap joint surface of the components is attached to the inclined surface, so that the contact area between the pressing structure and the components is increased by using the inclined surface, and the components are more stably fixed on the pressing structure;
or when the fastening piece such as the screw is required to be connected to the pressing structure through the mounting pore canal, the screw is penetrated in the mounting pore canal, and the screw head of the screw is attached to the inclined plane, so that the contact area between the screw and the pressing structure is increased by the inclined plane, the fastening piece such as the screw is more stably connected to the pressing structure, the possibility that the fastening piece such as the component and the screw is loosened is reduced, and the using effect of the printed circuit board is improved.
In some possible embodiments, the mounting aperture is located inside the press-fit structure; the depth of the mounting duct is equal to the thickness of the pressing structure, or the depth of the mounting duct is smaller than the thickness of the pressing structure.
In some possible embodiments, the depth of the mounting hole is equal to the thickness of the pressing structure, the mounting hole is penetrated with a fixing screw, and a screw head of the fixing screw is attached to the inclined surface.
In some possible embodiments, the depth of the mounting hole is equal to the thickness of the press-fit structure, and the number of the inclined surfaces is two;
one inclined surface is connected with the first surface of the pressing structure, and the other inclined surface is connected with the second surface of the pressing structure.
In some possible embodiments, the printed circuit board further includes two components, the two components are arranged along the thickness direction of the lamination structure, and each component is correspondingly mounted on one inclined surface;
the component is at least partially arranged in the mounting hole, and is provided with a lap joint surface, and the lap joint surface is attached to the corresponding inclined surface.
In some possible embodiments, a surface of the pressing structure is provided with a conductive layer, at least part of which covers the inclined surface;
the component is provided with a pin which is electrically connected with a part of the conductive layer covering the inclined surface.
In some possible embodiments, the mounting hole is configured as an elliptical mounting hole, and the plane parallel to the pressing structure is taken as a cross section, and the cross section of the arc-shaped surface is configured as an ellipse;
in the plane of the pressing structure, the distance between the first end of the inclined surface and the second end of the inclined surface is uniformly set; the included angle between the inclined surface and the pressing structure is larger than or equal to 30 degrees and smaller than or equal to 60 degrees.
In some possible embodiments, the arcuate surface faces the outside of the press-fit structure, and the arcuate surface forms an edge of the press-fit structure;
the depth of the mounting pore canal is equal to the depth of the pressing structure, and the number of the inclined planes is two; one inclined surface is connected with the first surface of the pressing structure, and the other inclined surface is connected with the second surface of the pressing structure.
In some possible embodiments, the edge of the pressing structure is provided with a plurality of connection parts, and at least part of the connection parts in the plurality of connection parts are close to the inclined surface.
The embodiment of the application also provides an electronic device, which comprises the printed circuit board.
Since the electronic device includes the printed circuit board according to any one of the above, the advantage of the electronic device including the printed circuit board according to any one of the above can be seen from the above related description, and the description thereof will not be repeated here.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic structural diagram of a printed circuit board according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a printed circuit board including two components according to an embodiment of the present application;
fig. 3 is a schematic structural view of a printed circuit board including a fixing screw according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a printed circuit board according to another view angle according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a printed circuit board including a connection portion according to an embodiment of the present application.
Reference numerals illustrate:
100. a pressing structure;
110. a core plate; 120. a semi-cured layer; 130. installing a duct; 131. an arc surface; 140. an inclined surface; 150. a conductive layer; 160. a connection part;
200. a component;
210. pins; 220. a faying surface;
300. and (5) fixing the screw.
Specific embodiments thereof have been shown by way of example in the drawings and will herein be described in more detail. These drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments.
Detailed Description
As described in the background art, the printed circuit board includes a lamination structure, and the lamination structure is provided with mounting holes to fix components to the lamination structure through the mounting holes, or to connect fasteners such as screws to the lamination structure through the mounting holes; however, since the mounting hole is generally extended in the thickness direction of the pressing structure, and the mounting hole is formed in the pressing structure by drilling or the like, the edge of the mounting hole is perpendicular to the surface of the pressing structure;
when the component is fixed on the pressing structure by utilizing the mounting pore canal, the lap joint surface of the component is usually required to be lapped on the edges of the pressing structure and the mounting pore canal, so that the contact area between the lap joint surface of the component and the pressing structure is small, and the component is easy to separate from the surface of the pressing structure; when the fasteners such as the screws are connected to the pressing structure through the mounting pore canal, the screws penetrate through the mounting pore canal, the screw heads of the screws are abutted to the surface of the pressing structure, the contact area between the screws and the pressing structure is small, the fasteners such as the components and the screws are easy to loose, and the use effect of the printed circuit board is affected.
In order to solve the above technical problems, an embodiment of the present application provides a printed circuit board and an electronic device, where the printed circuit board is provided with an inclined plane in a press-fit structure, a first end of the inclined plane is connected to a surface of the press-fit structure, and a second end of the inclined plane is connected to an arc surface; when the components are required to be fixed on the pressing structure by using the mounting pore canal, the lap joint surface of the components is attached to the inclined surface, so that the contact area between the pressing structure and the components is increased by using the inclined surface, and the components are more stably fixed on the pressing structure;
or when the fastening piece such as the screw is required to be connected to the pressing structure through the mounting pore canal, the screw is penetrated in the mounting pore canal, and the screw head of the screw is attached to the inclined plane, so that the contact area between the screw and the pressing structure is increased by the inclined plane, the fastening piece such as the screw is more stably connected to the pressing structure, the possibility that the fastening piece such as the component and the screw is loosened is reduced, and the using effect of the printed circuit board is improved.
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.
The following describes the technical solutions of the present application and how the technical solutions of the present application solve the above technical problems in detail with specific embodiments. The following embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.
Referring to fig. 1-4, an embodiment of the present application provides a printed circuit board, including a lamination structure 100; the press-fit structure 100 is provided with mounting holes 130, the mounting holes 130 extend in the thickness direction of the press-fit structure 100 to fix the component 200 to the press-fit structure 100 through the mounting holes 130 or to connect fasteners such as screws to the press-fit structure 100 through the mounting holes 130; the mounting duct 130 is provided with an arc surface 131, and in the plane of the lamination structure 100, at least part of the arc surface 131 has different curvatures from the rest of the arc surface 131, so that the mounting duct 130 is suitable for mounting components 200 with different specifications;
illustratively, the pressing structure 100 is further provided with an inclined surface 140, a first end of the inclined surface 140 is connected to the surface of the pressing structure 100, and a second end of the inclined surface 140 is connected to the arc surface 131; and in the plane of the press-fit structure 100, the first end of the inclined plane 140 faces away from the arc-shaped surface 131 relative to the second end of the inclined plane 140, so that the contact area between the press-fit structure 100 and the component 200 is increased through the inclined plane 140, the contact area between the screw and the press-fit structure 100 is increased through the inclined plane 140, the component 200 and the screw are more stably connected to the press-fit structure 100, the possibility of loosening and other conditions of fasteners such as the component 200 and the screw is reduced, and the use effect of the printed circuit board is improved.
It should be noted that, taking the mounting hole 130 for mounting the component 200 as an example, the forming of the mounting hole 130 needs to be adjusted according to the shape of the mounted component 200, for example, in the plane of the lamination structure 100, the shape of the mounting hole 130 may be set to be elliptical, etc., and at least part of the curvature of the mounting hole 130 is different from the curvature of the rest of the mounting hole 130; the mounting hole 130 is typically formed on the pressing structure 100 by drilling or milling, so that the mounting hole 130 extends along the thickness direction of the pressing structure 100, and the edge of the mounting hole 130 is perpendicular to the surface of the pressing structure 100;
referring to fig. 1 and 2, in order to save the surface area of the lamination structure 100, the component 200 is generally disposed in the mounting hole 130, and the bonding surface 220 of the component 200 is connected to the edge of the mounting hole 130, so that the component 200 contacts the lamination structure 100; however, since the edges of the lamination structure 100 and the mounting hole 130 are generally in right-angle transition, the contact area between the bonding surface 220 of the component 200 and the lamination structure 100 is small, so that the component 200 is easy to loose, and the stability of the mounting of the component 200 is affected.
In some possible embodiments, the lamination structure 100 includes a plurality of core plates 110 stacked along a first direction, the core plates 110 including a substrate and a metal layer disposed on a surface of the substrate, wherein the first direction is parallel to a thickness direction of the lamination structure 100;
the lamination structure 100 further includes at least one semi-cured layer 120, the semi-cured layer 120 may be provided as a prepreg, and the semi-cured layer 120 is disposed between two adjacent core boards 110, a first surface of the semi-cured layer 120 is connected to one of the core boards 110, and a second surface of the semi-cured layer 120 is connected to the other core board 110, so as to implement a connection process of the adjacent core boards 110 through the semi-cured layer 120.
Illustratively, the number of semi-cured layers 120 is set to be plural, and the number of semi-cured layers 120 is smaller than the number of core plates 110, when the lamination structure 100 is formed, the plurality of core plates 110 and the plurality of semi-cured layers 120 are sequentially and alternately arranged along the first direction, such that the semi-cured layers 120 are disposed between two adjacent core plates 110, and then the plurality of core plates 110 and the plurality of semi-cured layers 120 are laminated to form the lamination structure 100.
In some possible embodiments, the number of the mounting holes 130 may be set to one, the mounting holes 130 may be set to an elliptical mounting hole 130, the plane in which the press-fit structure 100 is located is a cross section, and the cross section of the arcuate surface 131 is set to an ellipse, so that the curvature of at least part of the arcuate surface 131 in the elliptical mounting hole 130 is different from the curvature of the rest of the arcuate surface 131.
Alternatively, the mounting hole 130 may have a plurality of arcuate surfaces 131 to mount the plurality of components 200 through the plurality of arcuate surfaces 131; the number of the inclined surfaces 140 may be set to one or more, and when the inclined surfaces 140 are set to a plurality, the plurality of inclined surfaces 140 are set in one-to-one correspondence with the plurality of curved surfaces 131, and each inclined surface 140 is connected to the corresponding curved surface 131; alternatively, the number of the inclined surfaces 140 may be set to one, and one inclined surface 140 is connected to a plurality of arc surfaces 131, so that the distance between the first end of the inclined surface 140 and the second end of the inclined surface 140 is uniformly set in the plane of the pressing structure 100, so that the forming process of the inclined surface 140 is more convenient;
the included angle between the inclined surface 140 and the pressing structure 100 may be set to be greater than or equal to 30 degrees and less than or equal to 60 degrees, for example, the included angle between the inclined surface 140 and the pressing structure 100 may be set to be one of 30 degrees, 40 degrees, 45 degrees, 50 degrees, and 60 degrees, and the included angle between the inclined surface 140 and the pressing structure 100 may be adjusted according to the faying surface 220 of the component 200 and the screw head of the fixing screw 300, which is not further limited in the embodiment of the present application.
For example, when the milling cutter is used to remove a portion of the pressing structure 100 to form the mounting hole 130 in the pressing structure 100, the tip of the milling cutter may be used to remove a portion of the pressing structure 100 along the edge of the arc surface 131 to form the inclined surface 140 on the surface of the pressing structure 100, and the first end of the inclined surface 140 is connected to the surface of the pressing structure 100, the second end of the inclined surface 140 is connected to the arc surface 131, and the first end of the inclined surface 140 faces away from the arc surface 131 relative to the second end of the inclined surface 140, so that the forming process of the inclined surface 140 is more convenient.
Referring to fig. 1-3, in some possible embodiments, the mounting channel 130 may be disposed inside the lamination 100, with the mounting channel 130 spaced from an edge of the lamination 100, or the mounting channel 130 may be disposed on an edge of the lamination 100, i.e., the mounting channel 130 is connected to an edge of the lamination 100. Also, the depth of the mounting duct 130 may be equal to the thickness of the press-fit structure 100, or the depth of the mounting duct 130 may also be less than the thickness of the press-fit structure 100.
Referring to fig. 3, by way of example, the mounting duct 130 is located inside the press-fit structure 100, and the mounting duct 130 may be provided as a through-hole type mounting duct 130, the depth of the through-hole type mounting duct 130 being equal to the thickness of the press-fit structure 100; alternatively, the mounting hole 130 may be provided as a blind hole type mounting hole 130, and the depth of the blind hole type mounting hole 130 is smaller than the thickness of the press-fit structure 100; the shape and arrangement of the mounting hole 130 may be adjusted according to the arrangement of the component 200, which is not further limited in the embodiment of the present application.
Illustratively, the depth of the mounting hole 130 is equal to the thickness of the press-fit structure 100, the mounting hole 130 is used for connecting the fixing screw 300, i.e. the fixing screw 300 is threaded through the mounting hole 130, the screw head of the fixing screw 300 is attached to the inclined surface 140, and the threaded section of the fixing screw 300 is screwed to the mounting base, so as to fix the press-fit structure 100 to the mounting base relatively, thereby realizing the mounting process of the press-fit structure 100.
Referring to fig. 1 to 5, it should be noted that, the screw head of the fixing screw 300 is generally inclined toward the axis of the fixing screw 300, and the inclined surface 140 is connected to the arc surface 131 of the mounting hole 130, so that the screw head of the fixing screw 300 is attached to the inclined surface 140, at least a portion of the screw head of the fixing screw 300 can be disposed in the mounting hole 130, and the screw head of the fixing screw 300 is abutted to the pressing structure 100 through the inclined surface 140, so that the connection between the fixing screw 300 and the mounting hole 130 is more stable;
a plurality of fixing screws 300 can be arranged in the mounting hole 130 in a penetrating way, the mounting hole 130 is provided with a plurality of arc-shaped surfaces 131 and a plurality of inclined surfaces 140, each arc-shaped surface 131 is used for being abutted against one fixing screw 300, and screw heads of the fixing screws 300 are respectively abutted against the corresponding inclined surfaces 140, so that the connection process of the fixing screws 300 is realized through one mounting hole 130, and the use of the mounting hole 130 is more convenient.
Referring to fig. 1 and 2, exemplary mounting tunnels 130 are used to fix components 200, and the number of components 200 fixed by the mounting tunnels 130 may be set to two, the depth of the mounting tunnels 130 is equal to the thickness of the press-fit structure 100, and the number of inclined surfaces 140 is set to two, one inclined surface 140 being connected to a first surface of the press-fit structure 100, and the other inclined surface 140 being connected to a second surface of the press-fit structure 100, to fix the two components 200 by the two inclined surfaces 140.
The printed circuit board further comprises two components 200, the two components 200 are arranged along the thickness direction of the lamination structure 100, and each component 200 is correspondingly arranged on one inclined surface 140; the component 200 is at least partially disposed in the mounting hole 130, the component 200 has a bonding surface 220, and the bonding surface 220 of the component 200 is attached to the corresponding inclined surface 140, so that the contact area between the component 200 and the lamination structure 100 is increased through the inclined surface 140, and the mounting structure of the component 200 is more stable.
Illustratively, the surface of the lamination structure 100 is provided with a conductive layer 150, and at least part of the conductive layer 150 covers the inclined surface 140; the component 200 is provided with a lead 210, and the lead 210 is electrically connected to a portion of the conductive layer 150 covering the inclined surface 140, so that the lead 210 of the component 200 can be electrically connected to the pressing structure 100 through the conductive layer 150 covering the inclined surface 140. The conductive layer 150 may be formed on the surface of the pressing structure 100 by electroplating or the like, and a portion of the conductive layer 150 is formed on the surface of the inclined surface 140, so as to implement a forming process of the conductive layer 150.
Through adopting above-mentioned technical scheme, when the component 200 is fixed in pressfitting structure 100 with installation pore 130, laminating the overlap plane 220 of component 200 in inclined plane 140 for at least part of component 200 sets up in installation pore 130, later with the pin 210 electricity of component 200 connect in the part conducting layer 150 that covers inclined plane 140, make component 200 can be through conducting layer 150 electricity connect in pressfitting structure 100, thereby realize the installation of component 200.
Referring to fig. 4 and 5, in some possible embodiments, the mounting channel 130 is provided at an edge of the press-fit structure 100, i.e. the mounting channel 130 is connected to the edge of the press-fit structure 100; the arc surface 131 faces the outer side of the pressing structure 100, and the arc surface 131 forms the edge of the pressing structure 100; the depth of the mounting hole 130 is equal to the depth of the press-fit structure 100, and the number of the inclined surfaces 140 is two; one of the inclined surfaces 140 is connected to the first surface of the pressing structure 100, and the other inclined surface 140 is connected to the second surface of the pressing structure 100.
The edge of the lamination structure 100 is provided with a plurality of connection portions 160, and the connection portions 160 are configured as a golden finger structure, so as to realize the electrical connection process of the printed circuit board and other structures through the plurality of connection portions 160; and at least a portion of the connection portions 160 of the plurality of connection portions 160 is close to the inclined surface 140, and an extending direction of a portion of the connection portion 160 close to the inclined surface 140 faces the edge of the pressing structure 100, so that the inclined surface 140 can be adjusted according to the position of the arc-shaped surface 131, and the inclined surface 140 can be matched with the plurality of connection portions 160.
It is easy to understand that the number of the mounting holes 130 may be plural, and some of the mounting holes 130 of the plurality of mounting holes 130 are disposed inside the press-fit structure 100, and the rest of the mounting holes 130 of the plurality of mounting holes 130 are disposed at the edge of the press-fit structure 100, so as to implement different functions of the printed circuit board through the plurality of mounting holes 130, thereby enriching the functions of the printed circuit board.
In summary, the embodiment of the present application provides a printed circuit board and an electronic device, wherein the printed circuit board is provided with an inclined surface 140 on the pressing structure 100, a first end of the inclined surface 140 is connected to the surface of the pressing structure 100, and a second end of the inclined surface 140 is connected to the arc surface 131; when the component 200 needs to be fixed on the press-fit structure 100 by using the mounting hole 130, the joint surface 220 of the component 200 is attached to the inclined surface 140, so that the contact area between the press-fit structure 100 and the component 200 is increased by using the inclined surface 140, and the component 200 is more stably fixed on the press-fit structure 100;
or, when the fastening piece such as the screw needs to be connected to the pressing structure 100 through the mounting hole 130, the screw is inserted into the mounting hole 130, and the screw head of the screw is attached to the inclined plane 140, so that the contact area between the screw and the pressing structure 100 is increased by using the inclined plane 140, the fastening piece such as the screw is more stably connected to the pressing structure 100, the possibility that the fastening piece such as the component 200 and the screw is loose is reduced, and the using effect of the printed circuit board is improved.
The embodiment of the application also provides an electronic device, which comprises the printed circuit board in any one of the embodiments. Since the electronic device includes the printed circuit board according to any of the above embodiments, the advantage of the electronic device including the printed circuit board according to any of the above embodiments can be seen from the above related description, and the detailed description is omitted herein.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be understood that the terms "comprises" and "comprising," and any variations thereof, as used herein, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements that are expressly listed or inherent to such process, method, article, or apparatus.
Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can lead the connection between the two elements or the interaction relationship between the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. A printed circuit board is characterized by comprising a pressing structure;
the pressing structure is provided with a mounting pore canal which extends along the thickness direction of the pressing structure, the mounting pore canal is provided with an arc-shaped surface, and in the plane of the pressing structure, the curvature of at least part of the arc-shaped surface is different from the curvature of the rest of the arc-shaped surface;
the pressing structure is also provided with an inclined plane, a first end of the inclined plane is connected with the surface of the pressing structure, and a second end of the inclined plane is connected with the arc-shaped surface; and in the plane of the pressing structure, the first end of the inclined surface faces away from the arc-shaped surface relative to the second end of the inclined surface.
2. The printed circuit board of claim 1, wherein the mounting hole is located inside the press-fit structure; the depth of the mounting duct is equal to the thickness of the pressing structure, or the depth of the mounting duct is smaller than the thickness of the pressing structure.
3. The printed circuit board of claim 2, wherein the depth of the mounting hole is equal to the thickness of the pressing structure, the mounting hole is penetrated with a fixing screw, and a screw head of the fixing screw is attached to the inclined surface.
4. The printed circuit board of claim 2, wherein the depth of the mounting hole is equal to the thickness of the press-fit structure, and the number of the inclined surfaces is two;
one inclined surface is connected with the first surface of the pressing structure, and the other inclined surface is connected with the second surface of the pressing structure.
5. The printed circuit board of claim 4, further comprising two components arranged in a thickness direction of the press-fit structure, each of the components being correspondingly mounted on one of the inclined surfaces;
the component is at least partially arranged in the mounting hole, and is provided with a lap joint surface, and the lap joint surface is attached to the corresponding inclined surface.
6. The printed circuit board of claim 5, wherein a surface of the lamination structure is provided with a conductive layer, at least a portion of the conductive layer covering the inclined surface;
the component is provided with a pin which is electrically connected with a part of the conductive layer covering the inclined surface.
7. The printed circuit board of claim 2, wherein the mounting hole is provided as an elliptical mounting hole, a plane parallel to the press-fit structure is taken as a cross section, and a cross section shape of the arc-shaped surface is provided as an ellipse;
in the plane of the pressing structure, the distance between the first end of the inclined surface and the second end of the inclined surface is uniformly set; the included angle between the inclined surface and the pressing structure is larger than or equal to 30 degrees and smaller than or equal to 60 degrees.
8. The printed circuit board of claim 1, wherein the arcuate surface faces outward of the press-fit structure and the arcuate surface forms an edge of the press-fit structure;
the depth of the mounting pore canal is equal to the depth of the pressing structure, and the number of the inclined planes is two; one inclined surface is connected with the first surface of the pressing structure, and the other inclined surface is connected with the second surface of the pressing structure.
9. The printed circuit board of claim 8, wherein an edge of the press-fit structure is provided with a plurality of connection portions, at least a portion of the connection portions of the plurality of connection portions being adjacent to the inclined surface.
10. An electronic device comprising a printed circuit board according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321647110.8U CN220273942U (en) | 2023-06-27 | 2023-06-27 | Printed circuit board and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321647110.8U CN220273942U (en) | 2023-06-27 | 2023-06-27 | Printed circuit board and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220273942U true CN220273942U (en) | 2023-12-29 |
Family
ID=89311167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321647110.8U Active CN220273942U (en) | 2023-06-27 | 2023-06-27 | Printed circuit board and electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220273942U (en) |
-
2023
- 2023-06-27 CN CN202321647110.8U patent/CN220273942U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xiang Cheng Inventor after: Wang Feng Inventor after: Zhang Yalong Inventor before: Xiang Cheng Inventor before: Wang Feng Inventor before: Zhang Yalong |
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| CB03 | Change of inventor or designer information |