CN112532263A - Electronic equipment middle frame assembly, antenna device and electronic equipment - Google Patents
Electronic equipment middle frame assembly, antenna device and electronic equipment Download PDFInfo
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- CN112532263A CN112532263A CN201910817404.2A CN201910817404A CN112532263A CN 112532263 A CN112532263 A CN 112532263A CN 201910817404 A CN201910817404 A CN 201910817404A CN 112532263 A CN112532263 A CN 112532263A
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- electronic equipment
- electronic device
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- frame
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
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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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B2001/3894—Waterproofing of transmission device
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Details Of Aerials (AREA)
- Telephone Set Structure (AREA)
Abstract
The application provides an electronic equipment middle frame assembly which comprises a metal frame, a plastic frame and a connecting piece, wherein the metal frame is provided with at least one groove, and the plastic frame is provided with at least one through hole communicated with the groove; the connecting piece is used for connecting the metal frame with the plastic frame, the connecting piece includes connecting portion and sealing, the sealing installation and surround in the connecting portion outer wall, the sealing accept in the through-hole and support top in the inner wall of through-hole is in order to right the through-hole seals. The application provides an electronic equipment center subassembly connects metal frame and plastic frame through the connecting piece, and the connecting portion of connecting piece form electronic equipment's antenna feed point, and the sealing part of connecting piece has waterproof function, and the cover is located connecting portion and can be carried out waterproof sealing to the through-hole to make the electronic equipment in this application embodiment have waterproof function.
Description
Technical Field
The application relates to the technical field of electronic equipment, in particular to an electronic equipment middle frame assembly, an antenna device and electronic equipment.
Background
Electronic equipment (such as mobile phones, smart watches, and the like) middle frames are often made of metal materials or metal materials and plastic materials. For example, in the structure of a smart watch, a metal part and a plastic part are matched to form a middle frame structure. And the metal and plastic joint interface can seep into water under high pressure, and cannot reach higher waterproof grade.
Disclosure of Invention
The technical problem to be solved in the present application is to provide an electronic device middle frame assembly, an antenna device and an electronic device, so as to solve the defects existing in the electronic device.
The embodiment of the application provides an electronic equipment center subassembly, includes: the electronic equipment comprises a metal frame, a plastic frame and a connecting piece, wherein the metal frame comprises four edges which are arranged on the outer side of an electronic equipment body in an enclosing mode and are sequentially connected end to end, and at least one groove is formed in the inner side wall of at least one edge of the metal frame; the plastic frame is sleeved between the metal frame and the electronic equipment body, and is provided with at least one through hole communicated with the groove; the connecting piece is used for connecting the metal frame and the plastic frame and comprises a connecting part and a sealing part, and the connecting part is accommodated in the groove and the through hole; the sealing part is arranged and surrounds the outer wall of the connecting part, and the sealing part is contained in the through hole and abuts against the inner wall of the through hole to seal the through hole.
The embodiment of the application further provides an antenna device, the antenna device is arranged on the electronic equipment body and comprises a radio frequency transceiving circuit, a matching circuit and the electronic equipment middle frame assembly in the embodiment, the matching circuit is electrically connected with the radio frequency transceiving circuit and the middle frame assembly, and the connecting portion is electrically connected with the matching circuit.
The embodiment of the application also provides electronic equipment which comprises the antenna device in the embodiment.
The electronic equipment center subassembly, antenna device and electronic equipment that this application embodiment provided connect metal frame and plastic frame through the connecting piece, and the connecting portion of connecting piece forms electronic equipment's antenna feed point, and the sealing portion of connecting piece has waterproof function, and the cover is located connecting portion and can be carried out waterproof sealing to the through-hole to make the electronic equipment in this application embodiment have waterproof function.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present application;
FIG. 2 is a block diagram of a frame assembly of an electronic device according to an embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of a metal frame of a frame assembly of an electronic device according to an embodiment of the present application;
FIG. 4 is a schematic structural diagram of a plastic frame of a frame assembly of an electronic device according to an embodiment of the present application;
FIG. 5 is a schematic structural diagram of a connecting member of a frame assembly of an electronic device according to an embodiment of the present application;
FIG. 6 is an enlarged cross-sectional view of portion A of FIG. 2;
FIG. 7 is a schematic view of a process for forming a bezel assembly for an electronic device according to an embodiment of the present application;
FIG. 8 is a schematic sectional view of a portion of the connection portion A of FIG. 2 connected to a metal frame;
FIG. 9 is an enlarged view of the structure of portion B of FIG. 8;
FIG. 10 is a schematic cross-sectional view of a frame assembly of an electronic device according to yet another embodiment of the present application;
FIG. 11 is a schematic structural diagram of a connecting member of a frame assembly in an electronic device according to yet another embodiment of the present application;
FIG. 12 is a schematic flow chart illustrating a process for forming a connector according to one embodiment of the present application;
FIG. 13 is a schematic view of a connection relationship between a connection member and a metal frame according to another embodiment of the present application;
FIG. 14 is a schematic cross-sectional view of a frame assembly of an electronic device according to yet another embodiment of the present application;
fig. 15 is a schematic structural diagram of an antenna device according to an embodiment of the present application;
fig. 16 is a schematic cross-sectional structure diagram of an antenna device according to an embodiment of the present application;
fig. 17 is a schematic cross-sectional structure diagram of an antenna device according to still another embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be noted that the following examples are only illustrative of the present application, and do not limit the scope of the present application. Likewise, the following examples are only some examples and not all examples of the present application, and all other examples obtained by a person of ordinary skill in the art without any inventive work are within the scope of the present application.
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.
The embodiment of the application provides a middle frame assembly of electronic equipment, which is applied to the electronic equipment. It is understood that the electronic device may be a smart terminal device having an antenna device and requiring a certain waterproof level, such as a mobile phone and a smart watch. When the electronic equipment middle frame assembly is applied to the electronic equipment, the use effect of the antenna device is not influenced, and meanwhile, the electronic equipment has a better waterproof grade.
Electronic devices (e.g., cell phones, smartwatches, etc.) center boxes are often composed of metal materials, and the metal housing may act as an antenna. At this time, most of the middle frame components of electronic devices are formed by using a nano injection molding process, i.e., metal and plastic are combined by using a nano technology. Specifically, the metal surface is treated by nano-treatment, and then plastic is injected on the metal surface, so that metals such as aluminum, aluminum alloy, stainless steel and the like can be combined with engineering plastics such as PBT (polybutylene terephthalate) and the like, and integrated molding is realized.
It is noted that the terms "comprises" and "comprising," 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.
The embodiment of the application provides an electronic equipment center subassembly, uses in the outside of electronic equipment, and this electronic equipment can be cell-phone, intelligent wrist-watch etc. have antenna device's intelligent mobile terminal. The electronic equipment comprises an electronic equipment body and a middle frame assembly. The metal casing of the middle frame assembly of the electronic device may be generally used as an antenna device of the electronic device, and an antenna feeding point is arranged in the metal casing and conducts the antenna to the metal casing of the middle frame assembly. The electronic equipment body usually can be provided with display area and non-display area, and the display area can comprise the display screen, and non-display area is inside can set up electronic component, for example camera module, earphone, bluetooth module, fingerprint identification module etc.. The main board of the electronic device may also be disposed in the non-display area.
Specifically, please refer to fig. 1 and fig. 2 in combination, an embodiment of the present application provides an electronic device middle frame assembly 1, and the electronic device middle frame assembly 1 is applied to an electronic device 100. The middle frame assembly 1 is sleeved on the outer side of the electronic equipment body 2. The electronic equipment middle frame assembly 1 comprises a metal frame 11, a plastic frame 12 and a connecting piece 13 for connecting the metal frame 11 and the plastic frame 12. The middle frame assembly 1 is sleeved on the outer side of the electronic device body 2, that is, the metal frame 11 and the plastic frame 12 of the middle frame assembly 1 are both sleeved on the outer side of the electronic device body 2 and are connected through the connecting piece 13. It can be understood that the metal frame 11 is disposed on the outermost layer of the electronic device body 2 and serves as a radiator of the antenna device of the electronic device. The plastic frame 12 is disposed between the metal frame 11 and the electronic device body 2 to avoid the electromagnetic shielding effect of the metal frame 11 from affecting the antenna device. The metal frame 11 serves as a radiator of the antenna device and is electrically connected to the antenna device in the electronic device main body 2. At this time, the connecting member 13 connects the metal frame 11 and the plastic frame 12, and also connects the metal frame 11 and the electronic device body 2 to provide a feeding point of the antenna device, so that the radio frequency signal radiation of the electronic device is not adversely affected.
Further, referring to fig. 3, the metal frame 11 includes a first side L1, a second side S1, a third side L2, and a fourth side S2 that are sequentially disposed around the outer side of the electronic device body 2, wherein the first side L1 and the third side L2 are disposed oppositely and in parallel, and the second side S1 and the fourth side S2 are disposed oppositely and in parallel. In one embodiment, the lengths of the first side L1 and the third side L2 are the same, the lengths of the second side S1 and the fourth side S2 are the same, and the lengths of the first side L1 and the third side L2 are greater than the lengths of the second side S1 and the fourth side S2. At least one groove 111 is formed on the inner side wall of the metal frame 11 facing the electronic device body 2, so that the opening of the groove 111 faces the electronic device body 2. The groove 111 is not limited to be formed on one side of the metal frame 11, that is, at least one groove 111 is formed on the inner sidewall of at least one side of the metal frame 11, the groove 111 may be formed on the inner sidewall of the first side L1, or the grooves 111 may be formed on the inner sidewalls of the first side L1 and the third side S1, respectively. It should be understood that the first side L1, the second side S1, the third side L2, and the fourth side S2 are relative terms, and in the embodiment of the present application, the lengths of the first side L1 and the third side L2 are not limited to be longer than the lengths of the second side S1 and the fourth side S2, and the lengths of the first side L1 and the third side L2 may be equal to the lengths of the second side S1 and the fourth side S2, that is, the metal frame 11 is square. Obviously, the metal frame 11 may be rectangular, square, trapezoidal, etc., and its four sides are surrounded on the outer side of the electronic device body 2 and are sequentially connected end to end.
It is to be understood that the terms "first", "second" and "third" in the embodiments of the present application 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.
Further, referring to fig. 4, the plastic frame 12 is sleeved between the metal frame 11 and the electronic device body 2, and the plastic frame 12 is provided with at least one through hole 121 communicating with the groove 111. The plastic frame 12 is adapted to the metal frame 11 and may be rectangular, square, trapezoidal, etc., and four sides of the plastic frame are disposed corresponding to the sides of the metal frame 11. The plastic frame 12 is disposed between the metal frame 11 and the electronic device body 2, and each side of the plastic frame 12 is in contact connection with each side of the metal frame 11 and each side of the electronic device body 2, respectively, so as to form an electronic device with integral feeling and aesthetic appearance.
Further, referring to fig. 5 and fig. 6, the connecting element 13 includes a connecting portion 131 and a sealing portion 132 assembled on an outer wall of the connecting portion 131, one end of the connecting portion 131 abuts against a bottom wall of the groove 111, and the other end of the connecting portion is accommodated in the through hole 121 and electrically connected to the electronic device body 2, so as to form an antenna feeding point of the electronic device; the sealing portion 132 is in contact with the plastic frame 12 to seal the through hole 121. The connecting member 13 connects the metal frame 11 and the plastic frame 12, and simultaneously, the metal frame 11 and the electronic device body 2 are electrically connected through the connecting portion 131, so that the connecting portion 131 forms an antenna feeding point of the electronic device. That is, the connecting member 13 in the embodiment of the present application has dual functions of connection and fixation and as an antenna feeding point. It is understood that the connection portion 131 makes the metal frame 11 electrically connected to the electronic device body 2, that is, the connection portion 131 may be a conductor having a conductive function, for example, the connection portion 131 may be made of a conductive metal material such as copper, aluminum, etc. In addition, the sealing portion 132 has a waterproof function, and is assembled on the outer wall of the connecting portion 131 to waterproof and seal the through hole 121, so that the electronic device in the embodiment of the present application has a waterproof function. For example, the waterproof grade of the smart watch with the electronic device middle frame assembly 1 of the embodiment of the application can reach high-grade waterproof, and specifically can reach 5ATM (50 m waterproof) or even 10ATM (100 m waterproof).
Further, in one embodiment, the connecting portion 131 is a cylindrical structure, the sealing portion 132 is installed around an outer wall of the connecting portion 131, and the sealing portion 132 is received in the through hole 121 and abuts against an inner wall of the through hole 121 to seal the through hole 121.
Specifically, in the embodiment of the present application, the metal frame 11 and the plastic frame 12 are integrally formed by a nano-injection molding process. Referring to fig. 7, the assembly forming process of the middle frame assembly 1 of the electronic device according to the embodiment of the present application includes the following steps:
s101, forming a metal frame, and processing the metal frame through CNC (computer Numerical Control);
s102, forming a plastic frame, namely performing nanocrystallization treatment on the surface to be processed of the metal frame through a nanometer injection molding process, and then injecting plastic on the surface of the metal frame to form the plastic frame;
s103, drilling and slotting, namely, slotting a groove on the metal frame and slotting a through hole on the plastic frame through CNC;
and S104, assembling and fixing, namely enabling the connecting piece to penetrate through the through hole and abut against the bottom wall of the groove so as to fixedly connect the metal frame and the plastic frame. The connecting piece has connection and waterproof function to make the fixed center subassembly that forms of equipment can reach higher waterproof grade.
In step S103, after the metal frame is grooved and the plastic frame is perforated by the CNC, the grooves and the perforations may be tapped, or the grooves may be tapped separately, so as to fix the connecting member in step S104. It should be noted that tapping is a machining process for machining internal threads, screws or tooth buttons on the inner side surfaces of holes of various parts with through holes or blind holes of different specifications, such as a part shell, an equipment end surface, a nut, a flange plate and the like.
The electronic equipment center subassembly that this application embodiment provided connects metal frame and plastic frame through the connecting piece, and the connecting portion of connecting piece form electronic equipment's antenna feed point, and the sealing part of connecting piece has waterproof function, and the cover is located connecting portion and can be carried out waterproof sealing to the through-hole to make the electronic equipment in this application embodiment have waterproof function.
In some embodiments of the present application, the connecting portion includes a first connecting portion received in the groove and a second connecting portion received in the through hole and disposed opposite to the first connecting portion, the first connecting portion is provided with an external thread, an inner side wall of the groove is provided with an internal thread, and the external thread and the internal thread are cooperatively connected to achieve a fixed connection between the connecting member and the metal frame.
Specifically, referring to fig. 8, fig. 8 is a schematic cross-sectional view of a connection structure between a connection portion 131 of a connection member 13 and a metal frame 11, where the connection portion 131 includes a first connection portion 1311 and a second connection portion 1312 disposed opposite to the first connection portion, that is, the second connection portion 1312 is disposed along an extending direction of the first connection portion 1311. The first connecting portion 1311 is received in the groove 111, and the second connecting portion 1312 is received in the through hole 121. Further, referring to fig. 9, the inner side wall of the groove 111 is provided with an internal thread 1111, the first connection portion 1311 is provided with an external thread 13111, and the external thread 13111 and the internal thread 1111 are cooperatively connected to realize the fixed connection of the connection member 13 and the metal frame 11. It can be understood that the first connection portion 131 is connected to the inner sidewall of the groove 111 by a screw thread, so that the connection member 13 is fixedly connected to the metal frame 11. The thread design of the first connection portion 131 and the inner sidewall of the groove 111 is not specifically limited in the embodiment of the present application, so that the first connection portion 131 and the inner sidewall of the groove 111 can be connected through the thread.
Specifically, in one embodiment, the connection portion 131 is disposed in a cylindrical shape as a whole, and the outer diameter of the first connection portion 1311 does not exceed the outer diameter of the second connection portion 1312. The second connection portion 1312 extends along the first connection portion 1311 and abuts against the electronic device body 2, and the sealing portion 132 is mounted around the outer wall of the second connection portion 1312 and abuts against the inner wall of the through hole 121 to seal the through hole 121. Furthermore, when the sealing portion 132 is connected to the plastic frame 12, the sealing portion 132 is accommodated in the through hole 121 and abuts against the inner wall of the through hole 121, so as to achieve a sealing effect.
The electronic equipment center subassembly that this application embodiment provided, the connecting portion of this center subassembly include first connecting portion and the second connecting portion that set up relatively with first connecting portion, and first connecting portion pass through threaded connection with the inside wall of recess and realize fixing. The second connecting portion extends along the first connecting portion and abuts against the electronic device body, and the sealing portion is installed and surrounds the outer wall of the second connecting portion and abuts against the inner wall of the through hole to seal the through hole, so that the electronic device in the embodiment of the application has a waterproof function.
In some embodiments of the present application, the sealing portion includes a first sealing portion and a second sealing portion, both of which are mounted around the second connection portion outer wall. The first sealing part is accommodated in the through hole and is in contact connection with the metal frame, and the second sealing part is far away from the metal frame and abuts against the inner wall of the through hole.
Specifically, referring to fig. 10, the electronic device middle frame assembly 1 includes a metal frame 11, a plastic frame 12, and a connecting member 13 connecting the metal frame 11 and the plastic frame 12. The metal frame 11 is provided with at least one groove 111, and the plastic frame 12 is provided with at least one through hole 121 communicated with the groove 111. The connector 13 includes a connecting portion 131 and a sealing portion 132, wherein one end of the connecting portion 131 abuts against the bottom wall of the groove 111, and the other end is accommodated in the through hole 121 and electrically connected to the electronic device body 2 to form an antenna feeding point of the electronic device. The sealing portion 132 is mounted around the outer wall of the connecting portion 131, accommodated in the through hole 121 and abutted against the inner wall of the through hole 121 to seal the through hole 121.
Specifically, sealing portion 132 includes a first sealing portion 1321 and a second sealing portion 1322, and first sealing portion 1321 and second sealing portion 1322 are mounted to and surround an outer wall of second connecting portion 1312. The first sealing portion 1321 is accommodated in the through hole 121 and is in contact connection with the metal frame 11, and the second sealing portion 1322 is disposed away from the metal frame 11 and abuts against an inner sidewall of the through hole 121 to seal the through hole 121. More specifically, the first sealing portion 1321 is mounted around the outer wall of the second connecting portion 1312 and is in contact connection with the metal frame 11, so that the groove 111 and the connection between the groove 111 and the through hole 121 can be sealed, and the sealing effect of the sealing portion 132 can be enhanced; the first sealing portion 1321 may further stabilize the connection between the connector 13 and the metal frame 11, for example, glue may be dispensed on the contact surface of the first sealing portion 1321 and the metal frame 11 to further enhance the fixed connection between the connector 13 and the metal frame 11. The second sealing portion 1322 is disposed away from the metal frame 11 and abuts against an inner wall of the through hole 121, and the second sealing portion 1322 is in close contact with the inner wall of the through hole 121 to perform high-level waterproof sealing on the through hole 121.
Further, referring to fig. 11, the connecting member 13 includes a connecting portion 131 and a sealing portion 132, and the sealing portion 132 includes a first sealing portion 1321 and a second sealing portion 1322. In one embodiment, the connection portion 131 is a columnar structure; the first sealing portion 1321 and the second sealing portion 1322 are both annular structures; the outer diameter of the first sealing portion 1321 does not exceed the outer diameter of the second sealing portion 1322 so that the sealing portion 132 may have a superior sealing effect.
Further, the connecting member 13 further includes a nut 133, and the nut 133 is disposed at an end of the connecting portion 131 far from the metal frame to facilitate assembly of the connecting member 13. It is understood that the connection portion 131, the sealing portion 132 and the nut 133 may be integrally formed or separately formed and then assembled. In the embodiment of the present application, the connecting portion 131, the sealing portion 132 and the nut 133 are integrally formed, and when assembling, only one component needs to be assembled to complete the assembly, thereby improving the assembly efficiency.
In the embodiment of the present application, the connecting part 13 serves as an antenna feeding point of the electronic device and has a waterproof sealing effect, both the connecting part 131 and the nut 133 of the connecting part 13 may be made of a conductive metal material such as copper and aluminum, and the sealing part 132 may be made of a waterproof material or a waterproof plastic material. That is, the connector 13 is formed by combining a conductive metal material with a waterproof plastic material. It is understood that the connection member 13 may be integrally formed through a nano injection molding process.
Specifically, referring to fig. 12, the forming process of the connecting member in the embodiment of the present application includes the following steps:
s201, forming a connecting part, wherein the connecting part is machined through CNC (computer numerical control), and can be of a screw-like structure;
s202, forming the sealing part, performing nanocrystallization treatment on the surface to be processed of the connecting part through a nanometer injection molding process, and injecting plastic on the surface of the connecting part to form the sealing part to obtain the connecting piece.
The connecting piece that this application embodiment provided passes through nanometer injection molding technology integrated into one piece, has the electric conductive property and the waterproof sealing performance of antenna feed point concurrently to only need once to assemble can accomplish whole assembly, assembly efficiency is higher.
In some embodiments of the application, in order to further promote assembly efficiency, the frame at one side of the connecting piece and the connecting piece connected metal frame is arranged at an included angle of 30-90 degrees, so that the connecting piece and the metal frame are fixedly connected. For example, the connecting piece is connected with the metal frame at the first edge of the metal frame, and the connecting piece and the frame surface where the first edge of the metal frame is located are arranged in a crossed mode. Preferably, the connecting piece and the frame surface where the first edge of the metal frame is located form an included angle with a certain angle.
Specifically, referring to fig. 13, fig. 13 is a schematic view illustrating a connection manner between the connecting member 13 and the metal frame 11 and the plastic frame 12, the connecting member 13 is connected to the metal frame 11 at a first side L1 of the metal frame, and the frame surface where the connecting member 13 and the first side L1 are located is arranged crosswise. That is, the connecting element 13 is disposed at an angle to the frame surface of the first side L1, and optionally, the angle between the connecting element 13 and the frame surface of the first side L1 may be 30-90 °. Preferably, the angle between the connecting element 13 and the frame surface on which the first edge L1 is located may be one of 30 °, 45 °, 60 ° and 90 °. In the embodiment of the present application, the connecting member 13 is inclined at an angle of 45 ° to the frame surface of the first side L1.
Further, the plane of the opening of the groove is perpendicular to the extension line of the mounting direction of the connecting piece, so that the mounting of the connecting piece is facilitated. Specifically, the plane M1 where the groove 111 opens is not limited to the plane M1, which is a contact surface of the plastic frame 12 of the metal frame 11. When the mounting direction F of the connecting member 13, that is, the direction in which the connecting member 13 enters the groove 111 is perpendicular to the extension line of the mounting direction F of the connecting member 13 at the plane M1, it is labor-saving for the connecting member 13 to enter the groove 111, so that the assembling efficiency can be improved.
In some embodiments of the present application, the frame assembly 1 of the electronic device includes a metal frame 11, a plastic frame 12, and a connector 13 connecting the metal frame 11 and the plastic frame 12. The metal frame 11 is provided with at least one groove 111, and the plastic frame 12 is provided with at least one through hole 121 communicated with the groove 111. The connector 13 includes a connecting portion 131 and a sealing portion 132, wherein one end of the connecting portion 131 abuts against the bottom wall of the groove 111, and the other end is accommodated in the through hole 121 and electrically connected to the electronic device body 2 to form an antenna feeding point of the electronic device.
Specifically, referring to fig. 14, a metal sheet 135 is disposed at an end of the connecting portion 131 of the connecting member 13 connected to the electronic device body, and the metal sheet 135 is respectively connected to the connecting member 13 and the electronic device body to form an antenna feeding point of the electronic device. The metal sheet 135 is attached to the side of the plastic frame 12 away from the metal frame 11. The metal plate 135 may be welded and fixed to the end of the connecting member 13, and the metal plate 135 may be made of a sheet metal material plated with copper or gold, so that the metal plate 135 has good electrical conductivity when electrically connected to the electronic device body.
The embodiment of the application realizes good electrical conduction between the electronic equipment body and the metal frame by arranging the metal sheet, provides a stable feed point, and cannot generate adverse effects on radio frequency signal radiation of the electronic equipment. The antenna device has the advantages that the structure of the metal frame of the electronic equipment is utilized, the radiation area is large, an antenna radiator does not need to be additionally designed, the radiation efficiency of the antenna device is improved, the integral structure of the electronic equipment is simplified, and the cost of the electronic equipment is reduced.
The embodiment of the application also provides an antenna device, which is applied to electronic equipment, wherein the electronic equipment can be an intelligent mobile terminal with the antenna device, such as a mobile phone, an intelligent watch and the like.
Specifically, referring to fig. 15, an antenna device 10 provided in the embodiment of the present application is disposed on an electronic device body 2, and the antenna device 10 includes a radio frequency transceiver 3, a matching circuit 4 and an electronic device middle frame assembly 1. The electronic device middle frame assembly 1 is the electronic device middle frame assembly 1 in the foregoing embodiments, and therefore, further detailed description is not provided in this embodiment.
Further, the radio frequency transceiver 3 and the matching circuit 4 are disposed on a motherboard in the electronic device, or on a circuit board connected to the motherboard. The matching circuit 4 is electrically connected between the radio frequency transceiver circuit 3 and the electronic device middle frame assembly 1 to realize the signal transceiving function.
Further, referring to fig. 16, the matching circuit 4 is electrically connected between the radio frequency transceiver circuit 3 and the electronic device middle frame assembly 1, and the connecting member 13 of the electronic device middle frame assembly 1 is electrically connected to the matching circuit 4 to implement the signal transceiving function.
Further, referring to fig. 17, a metal sheet 135 is disposed at an end of the connecting member 13 connected to the electronic device body 2, and the metal sheet 135 is electrically connected to the matching circuit 4 to implement a signal transceiving function.
The antenna device provided by the embodiment of the application is conducted through the middle frame assembly, so that the metal frame structure of the electronic equipment is utilized, the radiation area is large, an antenna radiator does not need to be additionally designed, the radiation efficiency of the antenna device is improved, the whole structure of the electronic equipment is simplified, and the cost of the electronic equipment is favorably reduced.
The embodiment of the application further provides electronic equipment, the electronic equipment can be an intelligent mobile terminal with an antenna device, such as a mobile phone and an intelligent watch, the electronic equipment comprises the antenna device in the embodiment, good electrical conduction between an electronic equipment body and a metal frame is achieved, a stable feed point is provided, and adverse effects on radio frequency signal radiation of the electronic equipment cannot be caused. The antenna device has the advantages that the structure of the metal frame of the electronic equipment is utilized, the radiation area is large, an antenna radiator does not need to be additionally designed, the radiation efficiency of the antenna device is improved, the integral structure of the electronic equipment is simplified, and the cost of the electronic equipment is reduced.
Further, this electronic equipment's center subassembly passes through the connecting piece and connects metal frame and plastic frame, and the connecting portion of connecting piece form electronic equipment's antenna feed point, and the sealing part of connecting piece has waterproof function, and the cover is located connecting portion and can be carried out waterproof sealing to the through-hole to make this application embodiment electronic equipment's waterproof grade can reach higher level waterproof.
The above description is only a part of the embodiments of the present application, and not intended to limit the scope of the present application, and all equivalent devices or equivalent processes performed by the content of the present application and the attached drawings, or directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (16)
1. An electronic device bezel assembly, comprising:
the metal frame comprises four edges which are arranged on the outer side of the electronic equipment body in an enclosing mode and are sequentially connected end to end, and at least one groove is formed in the inner side wall of at least one edge of the metal frame;
the plastic frame is sleeved between the metal frame and the electronic equipment body and provided with at least one through hole communicated with the groove; and
the connecting piece, be used for connecting the metal frame with the plastic frame, the connecting piece includes:
the connecting part is accommodated in the groove and the through hole; and
and the sealing part is arranged and surrounds the outer wall of the connecting part, is contained in the through hole and abuts against the inner wall of the through hole so as to seal the through hole.
2. The electronic device middle frame assembly according to claim 1, wherein the connecting portion is a columnar structure, one end of the connecting portion abuts against the bottom wall of the groove, and the other end of the connecting portion is accommodated in the through hole and electrically connected to the electronic device body.
3. The electronic device middle frame assembly according to claim 2, wherein the connecting portion includes a first connecting portion and a second connecting portion opposite to the first connecting portion, the first connecting portion is received in the groove, and the second connecting portion is received in the through hole.
4. The electronic device middle frame assembly according to claim 3, wherein the first connecting portion is provided with an external thread, an inner side wall of the groove is provided with an internal thread, and the external thread is matched with the internal thread to realize fixed connection of the connecting piece and the metal frame.
5. The electronic device middle frame assembly of claim 3, wherein an outer diameter of the first connection portion does not exceed an outer diameter of the second connection portion.
6. The electronic device middle frame assembly according to claim 3, wherein the second connecting portion extends along the first connecting portion and abuts against the electronic device body, and the sealing portion is mounted around an outer wall of the second connecting portion and abuts against an inner wall of the through hole to seal the through hole.
7. The electronic device middle frame assembly according to claim 3, wherein the sealing portion includes a first sealing portion and a second sealing portion, and the first sealing portion and the second sealing portion are mounted on and surround the second connecting portion outer wall.
8. The electronic device middle frame assembly according to claim 7, wherein the first sealing portion is accommodated in the through hole and is in contact connection with the metal frame, and the second sealing portion is disposed away from the metal frame and abuts against an inner wall of the through hole.
9. The electronic device middle frame assembly according to claim 8, wherein the first sealing portion and the second sealing portion are both annular structures, and an outer diameter of the first sealing portion does not exceed an outer diameter of the second sealing portion.
10. The electronic equipment middle frame assembly according to claim 2, wherein a metal sheet is arranged at an end of the connecting portion connected with the electronic equipment body, the metal sheet is attached to one side of the plastic frame away from the metal frame, and the metal sheet is electrically connected with the electronic equipment body.
11. The middle frame assembly of electronic equipment according to claim 1, wherein the connecting piece and the frame surface of the side of the connecting piece connected to the metal frame are arranged at an included angle of 30-90 degrees, so that the connecting piece and the metal frame are fixedly connected.
12. The electronic equipment center assembly of claim 11, wherein the plane of the opening of the groove is perpendicular to an extension line of the mounting direction of the connector, so as to facilitate the mounting of the connector.
13. The electronic device center assembly of claim 1, wherein the connecting portion is made of a conductive metal material, and the sealing portion is made of a waterproof material.
14. An antenna device, characterized in that, set up in the electronic equipment body, the antenna device includes radio frequency transceiver circuit, matching circuit and the electronic equipment center subassembly of any claim 1 ~ 13, the matching circuit electricity connect between the radio frequency transceiver circuit and the electronic equipment center subassembly, the connecting piece with the matching circuit electricity connect.
15. The antenna device according to claim 14, wherein an end portion of the connecting member connected to the electronic apparatus body is provided with a metal plate, and the metal plate is electrically connected to the matching circuit.
16. An electronic device, characterized in that it comprises an antenna arrangement according to any of claims 14-15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910817404.2A CN112532263B (en) | 2019-08-30 | 2019-08-30 | Electronic equipment center subassembly, antenna device, electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910817404.2A CN112532263B (en) | 2019-08-30 | 2019-08-30 | Electronic equipment center subassembly, antenna device, electronic equipment |
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| CN112532263A true CN112532263A (en) | 2021-03-19 |
| CN112532263B CN112532263B (en) | 2022-06-07 |
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| CN201910817404.2A Active CN112532263B (en) | 2019-08-30 | 2019-08-30 | Electronic equipment center subassembly, antenna device, electronic equipment |
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