CN212155378U - Fixing component and fixing structure of circuit board - Google Patents
Fixing component and fixing structure of circuit board Download PDFInfo
- Publication number
- CN212155378U CN212155378U CN201922305590.XU CN201922305590U CN212155378U CN 212155378 U CN212155378 U CN 212155378U CN 201922305590 U CN201922305590 U CN 201922305590U CN 212155378 U CN212155378 U CN 212155378U
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- circuit board
- metal foot
- flange part
- flange
- fixing
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Abstract
A fixing component and a fixing structure of a circuit board comprise a columnar part made of plastic materials and a flange part arranged on one end face of the columnar part; at least one of two surfaces of the flange part along the axial direction is provided with a metal foot disc which is fixed on the flange part; the other end face of the columnar part is provided with a mounting hole for screwing in a screw. The connecting structure for the circuit board and the plastic part has the advantages of simple structure, replacement and stable connection compared with the connecting structure in the prior art.
Description
Technical Field
The utility model belongs to the technical field of connection structure, a fixed part and fixed knot of circuit board construct is related to, it is fixed to be applied to being connected of circuit board and working of plastics etc..
Background
The circuit board and all kinds of working of plastics are fixed, mostly with the erection column that sets up on the screw collocation working of plastics to realize, as shown in fig. 1, can be provided with a plurality of erection columns 2 on the working of plastics 1 usually, be equipped with mounting hole 3 in every erection column, be equipped with on circuit board 4 with mounting hole position corresponding conducting hole 5, screw 6 passes the conducting hole and twists to the mounting hole, fixes circuit board and working of plastics.
This kind of connection structure mode, working of plastics integrated into one piece erection column when injection moulding, the erection column is integrative with moulding a piece, twists the mounting hole and dismantles the back many times at the screw, or improper in the operation, can lead to the erection column to receive the damage usually, if the mounting hole grow or lateral wall fracture make the screw can not be fixed, more serious is the erection column fracture, and the prior art of the condition has no way at all to restore like this, must whole change the working of plastics. If the plastic part is an equipment enclosure, it may be more costly to replace, or have no means to replace.
The mounting post in the connecting structure mode is formed by injection molding, the minimum machining size of the mounting post and the mounting hole is limited, the minimum machining size can be 2mm, and machining cannot be carried out for smaller sizes.
There is another kind of mounting post that can be welded, and the mounting post is a metal piece. The position area welded with the PCBA is large, and the PCBA is not easy to disassemble. And the screw cannot be made small, the minimum can be only fixed by an M2 screw, and only a machine-thread screw and a self-tapping screw can be used.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fixed part of circuit board for the connection of circuit board and working of plastics is fixed, compares prior art's connection structure, has simple structure, removable and connect stable advantage.
In order to achieve the above purpose, the present invention is realized by the following technical solution.
The technical scheme is that the fixing component of the circuit board comprises a columnar part made of plastic materials and a flange part arranged on one end face of the columnar part; at least one of two surfaces of the flange part along the axial direction is provided with a metal foot disc which is embedded and fixed on the flange part; the other end face of the columnar part is provided with a mounting hole for screwing in a screw.
The technical scheme has the beneficial effects that the circuit board is fixedly connected with the plastic part through the fixing component, the mounting column is not required to be manufactured on the plastic part, and only the fixed hole is required to be formed by injection molding; the fixed part is formed by injection molding alone, and the metal foot disc is formed to the flange part during injection molding; the mounting hole of the fixing component can be smaller than that of the M2 screw, and the fixing component can be applied to the fixed mounting of a tiny circuit board.
In one example of the technical solution, the metal foot plate and the flange part are embedded and fixed in the flange part by injection molding.
In an example of the technical solution, the flange part is a square flange part, a metal leg disc is arranged on a first surface of the flange part close to the columnar part, and the metal leg disc extends to the side surface of the flange part;
or the flange part is a square flange part, a metal foot disc is arranged on a second surface, far away from the columnar part, of the flange part, and the metal foot disc extends to the side face of the flange part.
In the above example, further, the two metal foot plates are symmetrically arranged with respect to the center of the flange portion.
In an example of the technical solution, the flange portion is a square flange portion, the first surface and the first surface of the flange portion are respectively provided with a metal foot plate, and the metal foot plate on the first surface and the metal foot plate on the second surface are arranged correspondingly.
In this example, further, the metal leg plate on the first surface extends to the side surface of the flange portion and the second surface, and is connected to the metal leg plate on the second surface to be integrated.
In an example of this embodiment, the flange portion is a circular flange portion, and the metal leg plate is in a circular ring shape concentric with the flange portion.
In one example of the technical scheme, the outer side wall of the columnar part is provided with limiting lugs protruding outwards, and the limiting lugs extend to two end faces of the columnar part along the axial direction.
Another technical scheme of the utility model is to provide a fixed knot of circuit board constructs, including circuit board, working of plastics and above technical scheme and example in fixed part, fixed part welds on the circuit board through the metal foot dish, the working of plastics passes through the screw and fixed part is connected fixedly.
The fixing structure can be applied to an LED display screen and comprises a circuit board with LEDs and a panel, wherein the panel is a plastic piece.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and the drawings in the following description are only directed to some embodiments, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a view of a connection structure of a circuit board in the related art.
Fig. 2 is a perspective view of the fixing member in the embodiment.
FIG. 3 is a cross-sectional view of one embodiment of a securing member in an embodiment.
FIG. 4 is a cross-sectional view of one embodiment of a securing member in an embodiment.
FIG. 5 is a cross-sectional view of one embodiment of a securing member in an embodiment.
Fig. 6 is a front view of one embodiment of a fixing member in an example.
Fig. 7 is a front view of one embodiment of a fixing member in an example.
Fig. 8 is a view of one embodiment of a fixed connection structure of a fixing member in the example.
Fig. 9 is a view of one embodiment of a fixed connection structure of a fixing member in the example.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
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 invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the scope of the present disclosure.
In the following description, suffixes such as "module", "part", "assembly", or "unit" are used only for convenience of description of the present invention, and do not have a specific meaning by themselves, and thus may be used mixedly.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 2, the fixing member 100 of the circuit board in this embodiment includes a column portion 110 and a flange portion 120, the flange portion is connected to one end surface of the column portion, the column portion and the flange portion are made of plastic material by injection molding, a mounting hole 111 for screwing in is provided at the other end of the column portion 110, and the mounting hole may be a through hole penetrating through the fixing member or a blind hole. The screw may be a self-tapping screw.
As shown in fig. 3, the flange portion is a square flange portion, a metal leg plate 130 is provided on a first face of the flange portion 120 adjacent to the column portion, and the metal leg plate extends to a side face of the flange portion. The metal foot disc can also extend to the flange part to form metal fixing frames, the metal fixing frames are embedded and fixed in the flange part through injection molding, and the metal foot disc is exposed on the surface of the flange part.
In other examples, the flange portion is a square flange portion, a metal foot plate is provided on a second face of the flange portion remote from the column portion, and the metal foot plate extends onto a side face of the flange portion, as shown in fig. 4.
Alternatively, the flange portion is a square flange portion, the first surface and the first surface of the flange portion are respectively provided with a metal leg plate 130, the metal leg plate on the first surface and the metal leg plate on the second surface are correspondingly arranged, the metal leg plate on the first surface extends to the side surface and the second surface of the flange portion, and is connected with the metal leg plate on the second surface to be integrated, as shown in fig. 5.
In this embodiment, the two metal foot plates are symmetrically disposed about the center of the flange portion. As shown in fig. 6, in other examples, four metal foot plates may be provided at four corners of the square flange 120.
As shown in fig. 7, in other examples, the flange portion may be a circular flange portion, and the metal leg plate 30 may have a circular ring shape concentric with the flange portion.
The outer side wall of the column part 110 is provided with a limiting lug 112 protruding outwards, and the limiting lug extends to two end faces of the column part along the axial direction. The through hole of limiting lug and corresponding shape on the circuit board can be crossed, the fixed part can be limited, and the fixed part is prevented from rotating in the through hole to form offset.
As shown in fig. 8, the column portion of the fixing member 100 is inserted through the through hole 201 of the circuit board 200, and the metal leg 130 of the flange portion is fixed to the land 202 of the circuit board by soldering, so that the fixing member is fixedly connected to the circuit board.
The plastic piece 300 is provided with a fixing hole 301, the fixing hole is aligned with the mounting hole of the flange part, and the self-tapping screw 400 is screwed into the mounting hole 111, so that the fixing part and the plastic piece are fixed, and the fixed connection between the circuit board and the plastic piece is achieved.
As shown in fig. 9, another soldering method of the fixing member to the circuit board is employed.
The metal foot disc can be increased or reduced according to the fixing strength, and the metal foot disc can exist in a point form, so that the fixing component is convenient to detach from the circuit board and replace with a new fixing component.
In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement.
Claims (10)
1. A fixing member of a circuit board is characterized in that,
comprises a columnar part made of plastic material and a flange part arranged on one end face of the columnar part; at least one of two surfaces of the flange part along the axial direction is provided with a metal foot disc which is fixed on the flange part; the other end face of the columnar part is provided with a mounting hole for screwing in a screw.
2. A fixing member of a circuit board according to claim 1,
the metal foot disc and the flange part are embedded and fixed in the flange part through injection molding.
3. A fixing member of a circuit board according to claim 1,
the flange portion is square flange portion, is equipped with the metal foot dish on the first face that the flange portion is close to column portion to the metal foot dish extends to on the side of flange portion.
4. A fixing member of a circuit board according to claim 1,
the flange portion is square flange portion, is equipped with the metal foot dish on the second face of column portion is kept away from to the flange portion to the metal foot dish extends to on the side of flange portion.
5. Fixing part of a circuit board according to claim 3 or 4,
the two metal foot plates are symmetrically arranged at the center of the flange part.
6. A fixing member of a circuit board according to claim 1,
the flange part is a square flange part, metal foot plates are respectively arranged on the first surface and the first surface of the flange part, and the metal foot plates on the first surface and the second surface are arranged correspondingly.
7. A fixing member of a circuit board according to claim 6,
the metal foot disc on the first surface extends to the side surface and the second surface of the flange part and is connected with the metal foot disc on the second surface into a whole.
8. A fixing member of a circuit board according to claim 1,
the flange part is a circular flange part, and the metal foot disc is in a circular ring shape concentric with the flange part.
9. A fixing member of a circuit board according to claim 1,
the outer side wall of the columnar portion is provided with limiting lugs protruding outwards, and the limiting lugs extend to two end faces of the columnar portion along the axial direction.
10. A fixing structure of a circuit board is characterized in that,
the fixing component comprises a circuit board, a plastic part and the fixing component as claimed in any one of claims 1 to 9, wherein the fixing component is welded on the circuit board through a metal foot plate, and the plastic part is connected and fixed with the fixing component through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922305590.XU CN212155378U (en) | 2019-12-19 | 2019-12-19 | Fixing component and fixing structure of circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922305590.XU CN212155378U (en) | 2019-12-19 | 2019-12-19 | Fixing component and fixing structure of circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212155378U true CN212155378U (en) | 2020-12-15 |
Family
ID=73704756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922305590.XU Active CN212155378U (en) | 2019-12-19 | 2019-12-19 | Fixing component and fixing structure of circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212155378U (en) |
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2019
- 2019-12-19 CN CN201922305590.XU patent/CN212155378U/en active Active
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