CN107834216B - Terminal device, circuit board device and connecting assembly and connecting piece thereof - Google Patents
Terminal device, circuit board device and connecting assembly and connecting piece thereof Download PDFInfo
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- CN107834216B CN107834216B CN201711006388.6A CN201711006388A CN107834216B CN 107834216 B CN107834216 B CN 107834216B CN 201711006388 A CN201711006388 A CN 201711006388A CN 107834216 B CN107834216 B CN 107834216B
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- contact
- alloy
- circuit board
- connecting piece
- pressing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
- H01R12/585—Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/26—Connections in which at least one of the connecting parts has projections which bite into or engage the other connecting part in order to improve the contact
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/119—Details of rigid insulating substrates therefor, e.g. three-dimensional details
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention provides a terminal device, a circuit board device, a connecting assembly thereof and a connecting piece, wherein the connecting piece comprises a main body part, a pressing part and a contact part which are of an integrally formed structure; the main part is a columnar structure, the pressing part is arranged at one end of the main part, the other end of the main part is an insertion end, the area of the pressing surface of the pressing part is larger than the maximum cross-sectional area of the main part in the axis direction of the main part, the contact part is annular and is annularly arranged on the outer side wall of the columnar main part, the connecting piece is inserted into the hole site of the alloy part through the insertion end of the main part, and the contact part is in contact with the inner wall of the hole site of the alloy part so that. The connecting piece is provided with the main body part and the contact part, and the hole site diameter of the alloy part matched with the connecting piece is larger than the diameter of the main body part and smaller than the outer diameter of the contact part, so that the connecting piece can be reliably fixed in the hole site of the alloy part, and the purpose of reliable electric connection between the alloy part and the connecting piece is achieved.
Description
Technical Field
The invention relates to the technical field of structural members for electrically connecting alloy components in terminal equipment, in particular to the terminal equipment, a circuit board device, a connecting assembly and a connecting piece of the circuit board device.
Background
Magnesium alloy or aluminum alloy part need to be in good reliable contact with the circuit board due to static or antenna performance requirements, and the prior art generally adopts the mode that an elastic sheet is arranged on the circuit board and is in direct contact with the alloy part through the elastic sheet. However, the scheme has the problem that artificial sweat and salt mist water vapor corrode the alloy surface in a severe environment, so that contact between the elastic sheet on the circuit board and the alloy part is poor.
Disclosure of Invention
The embodiment of the application provides a connector for realizing electrical connection between an alloy component and a circuit board in terminal equipment, and the connector comprises a main body part, a pressing part and a contact part which are of an integrally formed structure; the main part is a columnar structure, the pressing part is arranged at one end of the main part, the other end of the main part is an insertion end, the area of the pressing surface of the pressing part is larger than the maximum cross-sectional area of the main part in the axis direction of the main part, the contact part is annular and is annularly arranged on the outer side wall of the columnar main part, the connecting piece is inserted into a hole position of the alloy part through the insertion end of the main part, and the contact part is in contact with the inner wall of the hole position of the alloy part, so that the connecting piece is fixed in the hole position of the alloy part.
On the other hand still provides a coupling assembling of this application embodiment, coupling assembling includes alloy parts and any one in the above-mentioned embodiment the connecting piece, be equipped with the hole site on the alloy parts, the connecting piece with the hole site cooperation is connected.
The embodiment of the application still provides the circuit board device, the circuit board device include circuit board and above-mentioned embodiment any coupling assembling, the circuit board with connecting piece in the coupling assembling is connected, and then realizes the circuit board with alloy component's electric connection.
Further, an embodiment of the present application further provides a terminal device, where the terminal device includes the circuit board apparatus in the foregoing embodiment.
The connecting piece for realizing electrical connection of the alloy component and the circuit board in the terminal equipment, provided by the embodiment of the application, has the advantages that through the structural form of the main body part and the contact part, the hole site diameter of the alloy component matched with the connecting piece is larger than the diameter of the main body part and smaller than the outer diameter of the contact part, so that the connecting piece can be reliably fixed in the hole site of the alloy component, and the purpose of reliable electrical connection between the alloy component and the connecting piece is achieved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic front view of a connector according to an embodiment of the present invention for electrically connecting an alloy component and a circuit board in a terminal device;
FIG. 2 is a schematic diagram of the hole site matching structure of the connecting member and the alloy part in the embodiment of FIG. 1;
FIG. 3 is a schematic front view of another embodiment of a connector for electrically connecting an alloy component and a circuit board in a terminal device according to the present invention;
FIG. 4 is a schematic diagram of the hole site matching of the connecting member and the alloy part in the embodiment of FIG. 3;
FIG. 5 is a schematic front view of a connector according to another embodiment of the present invention for electrically connecting an alloy component and a circuit board in a terminal device;
FIG. 6 is a schematic diagram of the hole site matching of the connecting member and the alloy part in the embodiment of FIG. 5;
FIG. 7 is a schematic front view of a connector according to another embodiment of the present invention for electrically connecting an alloy component and a circuit board in a terminal device;
FIG. 8 is an enlarged view of a portion of the structure of the connecting member in the embodiment of FIG. 7;
FIG. 9 is a schematic sectional view showing the structure of the connecting portion of the connecting member in the embodiment of FIG. 7;
FIG. 10 is a schematic front view of a connector according to another embodiment of the present invention for electrically connecting an alloy component and a circuit board in a terminal device;
FIG. 11 is an enlarged view of a portion of the connector of the embodiment of FIG. 10;
FIG. 12 is a schematic view of an embodiment of a coupling assembly of the present application;
FIG. 13 is a schematic diagram of a circuit board device according to an embodiment of the present application;
fig. 14 is a schematic structural diagram of an embodiment of a terminal device according to the present application.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be noted that the following examples are only illustrative of the present invention, and do not limit the scope of the present invention. Also, the following examples are only some but not all examples of the present invention,
all other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of protection of the present invention.
The terms "first", "second" and "third" in the present invention 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," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. All directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Example 1
Referring to fig. 1, fig. 1 is a schematic structural front view of an embodiment of a connector for electrically connecting an alloy component and a circuit board in a terminal device according to the present application, and it should be noted that the terminal device in the present application includes a mobile phone, a tablet computer, a notebook computer, a wearable device, and the like. The connector in this embodiment includes a main body portion 110, a pressing portion 120, and a contact portion 130 of an integrally molded structure.
Specifically, the body 110 has a columnar structure, the pressing portion 120 is provided at one end of the body 110, and the other end of the body 110 is an insertion end. The area of the pressing surface 121 of the pressing portion 120 is larger than the maximum cross-sectional area of the body portion 110 in the axial direction thereof; in the use process of the connector, the whole connector is pressed into the hole matched with the pressing part 120 through the pressing part 120, and in order to increase the acting area during pressing, the area of the pressing surface 121 of the pressing part 120 is larger than the maximum cross-sectional area of the main body part 110 in the axial direction.
The contact portion 130 is integrally formed in an annular structure and is annularly disposed on an outer sidewall of the cylindrical body portion 110. Alternatively, the overall structure of the connector in this embodiment may be formed by way of turning.
Referring to fig. 2, fig. 2 is a schematic structural diagram of the hole site matching of the connecting member and the alloy component in the embodiment of fig. 1, in the using process, the connecting member is inserted into the hole site 210 of the alloy component through the insertion end of the main body portion 110, and the diameter of the hole site 210 of the alloy component is generally larger than the diameter of the main body portion 110 and smaller than the outer diameter of the contact portion 130, so that the contact portion 130 of the connecting member 110 can contact with the inner wall 211 of the hole site of the alloy component, so as to achieve the purpose of fixing the connecting member in the hole.
The whole connecting piece in the embodiment of the present application may be made of a metal material, and the main body portion 110 may optionally be a solid structure; in addition, the connecting piece can also adopt a structure that the outer surface is plated with a wear-resistant and corrosion-resistant conductive material so as to improve the wear resistance and the corrosion resistance of the connecting piece, and the connecting piece can be specifically chromium, nickel, aluminum, titanium and the like.
In the connecting piece for electrically connecting the alloy component and the circuit board in the terminal device, by setting the structural form of the main body portion and the contact portion, the hole site diameter of the alloy component matched with the main body portion is larger than the diameter of the main body portion and smaller than the outer diameter of the contact portion, so that the connecting piece can be reliably fixed in the hole site of the alloy component, and the purpose of reliable electrical connection between the alloy component and the connecting piece is achieved.
Example 2
Referring to fig. 3, fig. 3 is a schematic structural front view of another embodiment of a connector for electrically connecting an alloy component and a circuit board in a terminal device according to the present application, which is different from the previous embodiment in that a plurality of contact portions 130 are arranged on an outer sidewall of a main body portion 110 in sequence along an axial direction of the main body portion 110.
Referring to fig. 4, fig. 4 is a schematic view of the hole site matching structure of the connector and the alloy part in the embodiment of fig. 3, the connector is provided with a plurality of sections of contacts 130, a sealed space 102 is formed between the contacts 130 and the inner wall 211 of the hole site of the alloy part during the press-riveting process, the substrate of the alloy part in the sealed space 102 is not easily corroded by the environmental influence, and good electrical connection and conduction performance can be maintained.
The connecting piece for realizing the electrical connection between the alloy component and the circuit board in the terminal equipment provided by the embodiment has the advantages that the contact part with the multi-section structure is arranged on the main body part, a closed space can be formed between the contact part and the inner wall of the hole site of the alloy component, and the connecting piece and the alloy component can have better electrical connection and conduction performance.
Example 3
Referring to fig. 5, fig. 5 is a schematic structural front view of another embodiment of a connector for electrically connecting an alloy component and a circuit board in a terminal device according to the present application, which is different from embodiment 2 in that the outer diameters of a plurality of contact portions 130 in the embodiment are different, and the outer diameter of the contact portion 130 close to the pressing portion 120 is greater than or equal to the outer diameter of the contact portion 130 close to the insertion end of the main body portion.
Further alternatively, the outer diameters of the contact portions 130 in this embodiment decrease sequentially along the direction from the pressing portion 120 to the insertion end of the main body portion, i.e., D1 > D2 > D3 > D4 in fig. 5.
Referring to fig. 6, fig. 6 is a schematic structural diagram of hole site matching between a connector and an alloy part in the embodiment of fig. 5, a diameter of a front contact portion 130 is equal to a diameter of a hole site of the alloy part, a diameter of a rear contact portion 130 is slightly larger than the diameter of the hole site of the alloy part, the front contact portion 130 can be in good contact with the alloy part during a press riveting process, the rear contact portion 130 interferes with the alloy to collapse, and a closed space 102 is easily formed to solve the problems of corrosion and poor electrical performance conductivity of a substrate of the hole wall of the alloy part due to environmental influences.
The connecting piece for realizing electrical connection of the alloy part and the circuit board in the terminal equipment, which is provided by the embodiment, has the advantages that the contact part structure with different diameters in multiple sections is arranged, the pressing riveting process can be well contacted with the alloy part, and the contact part positioned at the front end has a certain guiding effect.
Example 4
Referring to fig. 7, fig. 7 is a schematic structural front view of a connector for electrically connecting an alloy component and a circuit board in a terminal device according to another embodiment of the present invention, where the connector in the embodiment includes a main body 110, a pressing portion 120, and a contact portion 130 that are integrally formed.
Specifically, the body 110 has a columnar structure, the pressing portion 120 is provided at one end of the body 110, and the other end of the body 110 is an insertion end. The area of the pressing surface 121 of the pressing portion 120 is larger than the maximum cross-sectional area of the body portion 110 in the axial direction thereof; in the use process of the connector, the whole connector is pressed into the hole matched with the pressing part 120 through the pressing part 120, and in order to increase the acting area during pressing, the area of the pressing surface 121 of the pressing part 120 is larger than the maximum cross-sectional area of the main body part 110 in the axial direction.
The contact portion 130 is integrally formed in an annular structure and is annularly disposed on an outer sidewall of the cylindrical body portion 110. Referring to fig. 8, fig. 8 is an enlarged schematic view of a partial structure of the connector in the embodiment of fig. 7, a first external angle θ 1 and a second external angle θ 2 are respectively formed between outer surfaces (131, 132) on two sides of the contact portion 130 and an outer sidewall of the main body portion 110, and optionally, an angle of the first external angle θ 1 near a side of the pressing portion 120 is smaller than or equal to an angle of the second external angle θ 2 near an insertion end of the main body portion.
The contact part 130 is in a sawtooth shape with different slope surfaces on two sides, the slope of the sawtooth mechanism is larger in the pressing and riveting guide direction, and no angle (the angle of a front angle (a second external angle theta 2)) is arranged in the opposite direction of pressing and riveting or the angle is smaller, so that the guide effect is realized in the pressing and riveting process, the connecting piece can be pressed into a hole position of an alloy part without large pressing force, and the pressing and riveting difficulty is small; after the pressure riveting is finished, the angle of the back angle (the complement angle of the first external angle theta 1) is larger, so that the connecting piece is not easy to withdraw and loosen, and the connecting piece can be firmly clamped in the hole position of the alloy part.
Specifically, referring to fig. 9, fig. 9 is a schematic cross-sectional view of the structure of the connecting portion of the connecting member in the embodiment of fig. 7, the contact portion 130 may include a first contact surface 131 for forming a first external angle θ 1, a second contact surface 132 for forming a second external angle θ 2, and a connecting surface 133 for connecting with the outer sidewall of the main body portion 110, where one side of the first contact surface 131 and one side of the second contact surface 132 are respectively connected with the connecting surface 133, and the other side of the first contact surface 131 and the other side of the second contact surface 132 are connected to form an annular tip surface located at the periphery of the contact portion 130.
The contact part 130 with the pointed surface is arranged on the main body part 110, the outer diameter of the contact part 130 is equal to or slightly larger than the diameter of an alloy hole, the pointed surface of the contact part 130 is extruded and collapsed by alloy in the riveting process, meanwhile, the pointed surface of the contact part 130 scrapes oxide, dirt or surface treatment coating and the like on the surface layer of the alloy hole wall, the inner-diameter substrate part of the hole wall of the alloy part is exposed, the pointed surface of the contact part 130 can be fully contacted and conducted with the alloy part, and the performance requirement of electric connection is met.
In the using process, the connecting piece is inserted into the hole 210 of the alloy part through the insertion end of the main body part 110, and the contact part 130 of the connecting piece 110 can contact with the inner wall 211 of the hole of the alloy part, so that the purpose that the connecting piece is fixed in the hole 210 of the alloy part is achieved.
Similarly, the whole connector in the embodiment of the present application may be made of a metal material, and the main body 110 may optionally be a solid structure; in addition, the connecting piece can also adopt a structure that the outer surface is plated with a wear-resistant and corrosion-resistant conductive material so as to improve the wear resistance and the corrosion resistance of the connecting piece, and the connecting piece can be specifically chromium, nickel, aluminum, titanium and the like.
Further, with reference to fig. 7, the insertion end of the main body 110 in this embodiment is further provided with a guide post 111 of an integrated structure, a diameter d1 of the guide post 111 is smaller than or equal to a diameter d2 of a position where the main body 110 is connected, and a diameter d1 of the guide post 111 at the front end portion is further smaller than an aperture of a hole of the alloy component, so as to facilitate the pre-positioning of the connecting member in the hole of the alloy component and make the connecting member not easily deviate during the clinching process. Optionally, the end face of the guide post 111 is circumferentially provided with a chamfer 1111, and the chamfer 1111 functions to facilitate the insertion of the end of the guide post 111 into the hole of the alloy member.
On one hand, the connector for electrically connecting the alloy part and the circuit board in the terminal equipment provided by the embodiment can realize that the connector and the alloy part have an easier pressing and riveting process by arranging the saw-toothed shape of the structure with the different inclined surfaces at the two sides, and the connector is not easy to withdraw and loosen after riveting is finished; on the other hand, the pointed surface is arranged on the contact part, the pointed surface of the contact part is extruded and collapsed by the alloy in the riveting process, meanwhile, the pointed surface of the contact part scrapes oxide, dirt or surface treatment coating and the like on the surface layer of the wall of the alloy hole, the inner diameter substrate part of the wall of the hole of the alloy part is exposed, the pointed surface of the contact part can be fully contacted and conducted with the alloy part, and the performance requirement of electric connection is met; furthermore, the guide post is arranged at the front end of the main body part, so that the connecting piece can be conveniently inserted into the hole position of the alloy part in an aligned mode.
Example 5
Referring to fig. 10 and 11 together, fig. 10 is a schematic structural front view of a connector according to another embodiment of the present application for electrically connecting an alloy component and a circuit board in a terminal device, and fig. 11 is an enlarged schematic partial structure of the connector in the embodiment of fig. 10, which is different from the previous embodiment in that a cross section of a contact portion 130 in the present embodiment is a trapezoidal structure, and a width of a connection surface 133 of the contact portion 130 and an outer side wall of a cylindrical main body portion 110 is greater than a width of a contact surface 134 of an outer side ring circumference of the contact portion for electrically connecting the contact portion and the circuit board in a hole site of the alloy.
Specifically, the contact portion 130 includes a first contact surface 131 for forming a first external angle θ 1, a second contact surface 132 for forming a second external angle θ 2, a connection surface 133 for connecting with an outer sidewall of the body portion 110, and a third connection surface 134 connected between the first contact surface 131 and the second connection surface 132, which are annular structures; wherein one sides of the first contact surface 131 and the second contact surface 132 are respectively connected with the connection surface 133, the other sides of the first contact surface 131 and the second contact surface 132 are respectively connected with the opposite sides of the third connection surface 134,
optionally, an included angle θ 3 between the first contact surface 131 and the third connection surface 134 is smaller than or equal to an included angle θ 4 between the second contact surface 132 and the third contact surface 134. Further, any point on the third connecting surface 134 is equidistant from the axis of the cylindrical body portion 110. I.e., the third connecting surface 134 is parallel to the outer sidewall plane of the body portion 110.
The connecting piece for realizing electrical connection of alloy parts and circuit board in the terminal equipment that this embodiment provided, through setting up trapezoidal cross-section's contact site structure, can realize that connecting piece and alloy parts have easier pressing riveting process guaranteeing, and the riveting is accomplished the back connecting piece and is difficult to withdraw from and not hard up in, has still strengthened the intensity of working face (for spiky and alloy parts hole site inner wall effect in embodiment 4, this embodiment is then through third contact surface and alloy parts hole site inner wall effect).
Further, an embodiment of the present application further provides a connection assembly, please refer to fig. 12, where fig. 12 is a schematic structural diagram of an embodiment of the connection assembly of the present application, the connection assembly of the present embodiment includes an alloy part 200 and the connection member 100 described in any one of the foregoing embodiments, a hole location (not shown in the drawing, specifically, refer to the description related to the connection member embodiment) is disposed on the alloy part 200, and the connection member 100 is connected to the hole location in a matching manner. The connection assembly may be used for reliable electrical connection between the alloy member 200 and the circuit board.
Optionally, when there are a plurality of contact portions of the connector 100, the maximum value of the outer diameters of the plurality of contact portions is larger than the hole diameter of the hole on the alloy component 200 matched with the contact portions; the minimum value of the outer diameters of the contact parts is less than or equal to the hole diameter of the hole on the alloy part 200 matched with the contact parts; for a specific matching structure between the connecting member 100 and the alloy member 200, please refer to the related description of the above connecting member embodiments, and further description is omitted here.
In the connection assembly provided by the embodiment, the connection piece is provided with the main body part and the contact part, and the hole site diameter of the alloy part matched with the connection piece is larger than the diameter of the main body part and smaller than the outer diameter of the contact part, so that the connection piece can be reliably fixed in the hole site of the alloy part, and the purpose of reliable electrical connection between the alloy part and the connection piece is achieved.
In addition, an embodiment of the present invention further provides a circuit board device, specifically referring to fig. 13, fig. 13 is a schematic structural diagram of an embodiment of the circuit board device of the present invention, the circuit board device includes a circuit board 300 and a connecting assembly described in the foregoing embodiment, the circuit board 300 is connected to a connecting element 100 in the connecting assembly, and thus, the circuit board 300 is electrically connected to the alloy component 200.
Referring to fig. 14, fig. 14 is a schematic structural diagram of an embodiment of the terminal device of the present application, where the terminal device includes, but is not limited to, a casing 100, a display 200, an operation key 300, and a circuit board device (not shown) in the above embodiments, the circuit board device may be disposed inside the casing 100, and the alloy component in this embodiment may be a middle frame, a back shell, and other structures of the terminal device, so as to implement electrical connection between the alloy component and the circuit board due to static electricity or antenna performance requirements.
For detailed technical features of the circuit board device, refer to the related description of the above embodiments; the structural features of other parts of the terminal device are within the understanding of those skilled in the art, and will not be described in detail herein.
In the terminal device provided by this embodiment, the connecting element in the circuit board apparatus is provided with the main body portion and the contact portion, and the hole site diameter of the alloy component matched with the connecting element is larger than the diameter of the main body portion and smaller than the outer diameter of the contact portion, so that the connecting element can be reliably fixed in the hole site of the alloy component, and the purpose of reliable electrical connection between the alloy component and the circuit board is achieved.
The above description is only a part of the embodiments of the present invention, and not intended to limit the scope of the present invention, and all equivalent devices or equivalent processes performed by the present invention through the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A connecting piece for realizing electrical connection between an alloy component and a circuit board in terminal equipment is characterized by comprising a main body part, a pressing part and a contact part which are of an integrally-formed structure; the main part is a columnar structure, the pressing part is arranged at one end of the main part, the other end of the main part is an insertion end, the area of the pressing surface of the pressing part is larger than the maximum cross-sectional area of the main part in the axis direction, the contact part is annular and is annularly arranged on the outer side wall of the columnar main part, the outer surfaces of two sides of the contact part respectively form a first outer angle theta 1 and a second outer angle theta 2 between the outer side walls of the main part, the angle of the first outer angle theta 1 is smaller than or equal to the angle of the second outer angle theta 2 close to one side of the insertion end of the main part, the connecting part passes through the hole position where the insertion end of the main part is inserted into an alloy part, and the contact part is in contact with the inner wall of the hole position of the alloy part so.
2. The connector according to claim 1, wherein the contact portion is provided in plurality and arranged on an outer side wall of the body portion in sequence along an axial direction of the cylindrical body portion.
3. The connecting member according to claim 2, wherein an outer diameter of the contact portion near the pressing portion is greater than or equal to an outer diameter of the contact portion near the insertion end of the body portion.
4. The connecting member according to claim 3, wherein outer diameters of the plurality of contact portions decrease in order in a direction of the pressing portion toward the insertion end of the body portion.
5. The connecting piece according to claim 1, wherein the insertion end of the main body part is provided with a guide post of an integrated structure, the diameter of the guide post is smaller than or equal to the diameter of the connecting position of the main body part, and the periphery of the end surface of the guide post is provided with a chamfer.
6. The connecting member of claim 1, wherein the connecting member is made of a metal material, and the outer surface of the connecting member is plated with a wear-resistant and corrosion-resistant conductive material.
7. A connecting assembly, characterized in that, the connecting assembly includes alloy part and the connecting piece of any one of claims 1-6, be equipped with the hole site on the alloy part, the connecting piece with the hole site cooperation is connected.
8. The connecting assembly according to claim 7, wherein when the connecting member has a plurality of contact portions, the maximum value of the outer diameters of the plurality of contact portions is larger than the hole diameter of the hole on the alloy member to which the contact portions are fitted; the minimum value of the outer diameters of the contact parts is smaller than or equal to the hole diameter of the hole on the alloy part matched with the contact parts.
9. A circuit board device, comprising a circuit board and the connecting assembly of any one of claims 7 or 8, wherein the circuit board is connected to the connecting member of the connecting assembly, thereby electrically connecting the circuit board to the alloy member.
10. A terminal device, characterized in that it comprises a circuit board arrangement according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711006388.6A CN107834216B (en) | 2017-10-24 | 2017-10-24 | Terminal device, circuit board device and connecting assembly and connecting piece thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711006388.6A CN107834216B (en) | 2017-10-24 | 2017-10-24 | Terminal device, circuit board device and connecting assembly and connecting piece thereof |
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| CN107834216A CN107834216A (en) | 2018-03-23 |
| CN107834216B true CN107834216B (en) | 2020-03-31 |
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| CN200956410Y (en) * | 2006-10-19 | 2007-10-03 | 深圳创维－Rgb电子有限公司 | Single-sided PCB earthing device for flat screen television |
| CN101126252A (en) * | 2006-08-11 | 2008-02-20 | Itw建筑产品意大利有限责任公司 | An anchor device of wooden or metal structures to a wall |
| CN102469739A (en) * | 2010-11-08 | 2012-05-23 | 松下电器产业株式会社 | Electronic circuit device |
| CN102753843A (en) * | 2010-01-06 | 2012-10-24 | 阿诺德成形技术有限责任两合公司 | Thread-forming screw and use thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CS208391B1 (en) * | 1978-11-03 | 1981-09-15 | Jiri Lorman | Miniature two-part connector |
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2017
- 2017-10-24 CN CN201711006388.6A patent/CN107834216B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1462494A (en) * | 2001-02-26 | 2003-12-17 | 高度连接密度公司 | Shielded carrier with components for land grid array connectors |
| CN101126252A (en) * | 2006-08-11 | 2008-02-20 | Itw建筑产品意大利有限责任公司 | An anchor device of wooden or metal structures to a wall |
| CN200956410Y (en) * | 2006-10-19 | 2007-10-03 | 深圳创维－Rgb电子有限公司 | Single-sided PCB earthing device for flat screen television |
| CN102753843A (en) * | 2010-01-06 | 2012-10-24 | 阿诺德成形技术有限责任两合公司 | Thread-forming screw and use thereof |
| CN102469739A (en) * | 2010-11-08 | 2012-05-23 | 松下电器产业株式会社 | Electronic circuit device |
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| CN107834216A (en) | 2018-03-23 |
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