CN219591694U

CN219591694U - Electronic device, circuit board assembly and electric connector

Info

Publication number: CN219591694U
Application number: CN202320458431.7U
Authority: CN
Inventors: 白亮
Original assignee: Realme Mobile Telecommunications Shenzhen Co Ltd
Current assignee: Realme Mobile Telecommunications Shenzhen Co Ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-08-25
Anticipated expiration: 2033-02-28

Abstract

The utility model provides an electronic device, a circuit board assembly and an electric connector; the electrical connector includes: the needle comprises a shell, a needle head and an elastic sheet; the shell is provided with a cavity, and a first opening and a second opening are respectively arranged at two ends of the shell; the needle head part structure is inserted into the cavity, and part of the needle head part structure extends out of the shell through the first opening; one end of the elastic sheet is inserted into the cavity and connected with the needle head, and the other end of the elastic sheet extends out of the shell through the second opening and is used for being electrically connected with an external device; wherein, the shell fragment with the syringe needle is electrically conductive material and makes. According to the electric connector provided by the embodiment of the utility model, the spring in the conventional technical scheme is replaced by the elastic sheet, so that the service life of the spring can be effectively improved, namely the service life of the electric connector is improved; the conducting mode is directly connected with an external device (such as a PCB) through the elastic sheet, so that the disconnection risk of the electric connection can be improved, and the connection reliability of the electric connector can be improved.

Description

Electronic device, circuit board assembly and electric connector

Technical Field

The utility model relates to the technical field of electronic equipment electric connector structures, in particular to an electronic equipment, a circuit board assembly and an electric connector.

Background

The common metal probe (Pogo pin) structure is generally that a spring is arranged in a needle tube, the bottom of the needle head is an inclined plane, and when the spring pushes against the needle head, a lateral force is generated, so that the needle head is contacted with the inner wall of the needle tube, and the outer end of the needle head is connected with an electronic device to realize electrical conduction. However, the metal probe in the conventional technical scheme has the following problems: firstly, the spring has the risk of blocking, so that the needle head cannot be lifted, and in addition, the long-time friction between the needle head and the needle tube can lead to unsmooth conduction.

Disclosure of Invention

A first aspect of an embodiment of the present utility model provides an electrical connector, including:

the shell is provided with a cavity, and a first opening and a second opening are respectively arranged at two ends of the shell;

the needle head is inserted into the cavity, and part of the needle head extends out of the shell through the first opening;

one end of the elastic sheet is inserted into the cavity and connected with the needle head, and the other end of the elastic sheet extends out of the shell through the second opening and is used for being electrically connected with an external device;

wherein, the shell fragment with the syringe needle is electrically conductive material and makes.

In a second aspect, an embodiment of the present utility model provides a circuit board assembly, where the circuit board assembly includes a circuit board and the electrical connector described in the foregoing embodiment, and a spring piece of the electrical connector is electrically connected to the circuit board.

In addition, the embodiment of the utility model further provides electronic equipment, which comprises an electronic device and the circuit board assembly in the embodiment, wherein the electronic device supports the needle head of the electric connector, so that electric connection with the circuit board is realized.

According to the electric connector provided by the embodiment of the utility model, the spring in the conventional technical scheme is replaced by the elastic sheet, so that the service life of the spring can be effectively improved, namely the service life of the electric connector is improved; the conducting mode is directly connected with an external device (such as a PCB) through the elastic sheet, so that the disconnection risk of the electric connection can be improved, and the connection reliability of the electric connector can be improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic overall structure of an embodiment of a circuit board assembly for an electronic device according to the present utility model;

FIG. 2 is a schematic diagram of a circuit board assembly in a disassembled configuration in the embodiment of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the circuit board assembly of the embodiment of FIG. 1;

FIG. 4 is a schematic overall structure of an embodiment of the electronic device of the present utility model;

FIG. 5 is a schematic diagram of a split structure of the electronic device in the embodiment of FIG. 1;

fig. 6 is a schematic structural diagram of a communication-related module according to an embodiment of the present utility model.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is specifically noted that the following examples are only for illustrating the present utility model, but do not limit the scope of the present utility model. Likewise, the following examples are only some, but not all, of the examples of the present utility model, and all other examples, which a person of ordinary skill in the art would obtain without making any inventive effort, are within the scope of the present utility model.

The terms "first," "second," "third," and the like in embodiments of the present utility model 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 defining "a first", "a second", and "a third" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. All directional indications (such as up, down, left, right, front, back … …) in embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular gesture (as shown in the drawings), and if the particular gesture changes, the directional indication changes accordingly. The terms "comprising" and "having" and any variations thereof in embodiments of the present utility model are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements 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 may be included in at least one embodiment of the utility model. The appearances of such phrases 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. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

As used herein, an "electronic device" (or simply "terminal") includes, but is not limited to, a device configured to receive/transmit communication signals via a wireline connection, such as via a public-switched telephone network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection, and/or another data connection/network, and/or via a wireless interface, such as for example, for a cellular network, a Wireless Local Area Network (WLAN), a digital television network, such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communication terminal. A communication terminal configured to communicate through a wireless interface may be referred to as a "wireless communication terminal", "wireless terminal", or "mobile terminal". Examples of mobile terminals include, but are not limited to, satellites or cellular telephones; a Personal Communications System (PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; a PDA that can include a radiotelephone, pager, internet/intranet access, web browser, organizer, calendar, and/or a Global Positioning System (GPS) receiver; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver. The mobile phone is the electronic equipment provided with the cellular communication module.

Referring to fig. 1 to 3, fig. 1 is a schematic overall structure diagram of an embodiment of a circuit board assembly for an electronic device according to the present utility model, and fig. 2 is a schematic split structure diagram of the circuit board assembly in the embodiment of fig. 1; fig. 3 is a schematic cross-sectional view of the circuit board assembly of the embodiment of fig. 1. It should be noted that, the electronic device in the present utility model may include an electronic device having an elastic contact electrical connection, such as a mobile phone, a tablet computer, a notebook computer, and a wearable device. The circuit board assembly 100 for an electronic device includes a circuit board 110 and an electrical connector 120.

Specifically, the electrical connector 120 includes a housing 121, a needle 122, and a spring 123. The housing 121 has a cavity 1200, and is provided with a first opening 1211 and a second opening 1212 at both ends thereof; needle 122 is partially inserted into cavity 1200, and partially protrudes from housing 121 through first opening 1211; the housing 121 may be a rivet-first refill needle 122. One end of the elastic piece 123 is inserted into the cavity 1200 and connected with the needle 122, and the other end extends out of the casing 121 through the second opening 1212 and is used for contact electrical connection with an external device; wherein, the elastic piece 123 and the needle 122 are made of conductive materials. The elastic piece 123 and the needle 122 may be fixedly connected by welding, so as to improve connection reliability.

Alternatively, the elastic piece 123 may be made of stainless steel or copper alloy, and the needle 122 may be made of any one of metal, alloy or carbon fiber.

Optionally, with continued reference to fig. 2 and 3, a portion of the elastic piece 123 disposed in the cavity 1200 of the housing is bent, the needle 122 can move telescopically through the first opening 1211, and the elastic piece 123 generates an elastic force on the needle 122.

Optionally, the housing 121 is provided with a connection post 1213 at an end near the second opening 1212, and the connection post 1213 is used to achieve a positioning fit and a fixed connection between the housing 121 and the circuit board 110.

Optionally, the spring 123 in the embodiment of the present utility model includes a connecting seat 1231 and an elastic connecting end 1232 with an integrally bent structure, one end of the elastic connecting end 1232 is inserted into the housing 121 and connected to the needle 122, and the other end is connected to the connecting seat 1231, where the connecting seat 1231 is used for electrically connecting with an external device (in the embodiment of the present utility model, the circuit board 110).

Optionally, the connection base 1231 includes a base plate 12311 and connection pins 12312 (may be multiple, to improve the connection firmness) of an integral structure, the connection pins 12312 and the elastic connection ends 1232 are respectively extended towards the opposite directions of the base plate 12311, and the connection pins 12312 are used for electrically connecting with an external device (in this embodiment, the circuit board 110). It should be noted that, in this embodiment, only the use case where the electrical connector is mated with the circuit board is described as an example, and in some other embodiments, the electrical connector may be connected to other devices, which is not limited herein.

According to the circuit board assembly provided by the embodiment of the utility model, the elastic sheet is utilized to replace the spring in the conventional technical scheme, so that the problem of the service life of the spring can be effectively solved, namely the service life of the electric connector is improved; the conducting mode is directly connected with an external device (such as a PCB) through the elastic sheet, so that the disconnection risk of the electric connection can be improved, and the connection reliability of the electric connector can be improved.

In addition, the embodiment of the present utility model further provides an electronic device, please refer to fig. 4 and fig. 5 together, fig. 4 is a schematic overall structure diagram of an embodiment of the electronic device of the present utility model, and fig. 5 is a schematic split structure diagram of the electronic device in the embodiment of fig. 1; it should be noted that, the electronic device in the present utility model may include electronic devices with antenna components, such as a mobile phone, a tablet computer, a notebook computer, and a wearable device. In the drawings of the present embodiment, only one structure of a mobile phone will be described. Of course, in other embodiments, the mobile phone is not limited to the straight plate structure illustrated in the embodiment, and may also be in a structure form of a folding screen, a surrounding screen, and the like. The electronic device 10 in the present embodiment includes, but is not limited to, a circuit board assembly 100, a display module 200, a battery module 300, and a housing 400.

Specifically, the circuit board assembly 100 may be electrically connected to the display module 200 or the battery module 300 or other electronic devices of the electronic apparatus through (the pins of) the electrical connector 120.

In this embodiment, the housing 400 and the display module 200 cooperate to form an accommodating space 1000, and the battery module 300, the circuit board assembly 100 and other structures are disposed in the accommodating space 1000. The battery module 300 and the display screen module 200 are electrically connected with the circuit board 110, the battery module 300 is used for providing power, and the circuit board 110 is used for controlling the working state of the display screen module 200. In addition, the electronic device may further include a camera or other structure, and further technical details regarding this portion are not explicitly recited or described in detail herein.

Further, referring to fig. 6, fig. 6 is a schematic structural diagram of a communication related module according to an embodiment of the utility model. The electronic device may be a mobile phone, a tablet computer, a notebook computer, a wearable device, etc., and the mobile phone is illustrated in this embodiment. The structure of the electronic device 10 may include an RF circuit 910, a memory 920, an input unit 930, a display unit 940 (which may be the display module 200 in the foregoing embodiment), a sensor 950, an audio circuit 960, a wifi module 970, a processor 980, a power source 990 (which may be the battery module 300 in the foregoing embodiment), and so on. Wherein, the RF circuit 910, the memory 920, the input unit 930, the display unit 940, the sensor 950, the audio circuit 960, and the wifi module 970 are respectively connected to the processor 980; the power supply 990 is used to provide power to the entire electronic device 900.

Specifically, RF circuitry 910 is used to send and receive signals; memory 920 is used to store data instruction information; the input unit 930 is used for inputting information, and may specifically include a touch panel 931 and other input devices 932 such as operation keys; the display unit 940 may include a display panel 941, etc.; the sensor 950 includes an infrared sensor, a laser sensor, etc., for detecting a user proximity signal, a distance signal, etc.; a speaker 961 and a microphone 962 are coupled to the processor 980 by an audio circuit 960 for receiving and transmitting audio signals; the wifi module 970 is configured to receive and transmit wifi signals, and the processor 980 is configured to process data information of the mobile electronic device. For related technical features of the receiver assembly, please refer to the related description of the receiver assembly embodiments, which are not described in detail herein.

According to the electronic equipment provided by the embodiment of the utility model, the electric connector of the circuit board assembly can effectively improve the service life of the spring by replacing the spring in the conventional technical scheme with the elastic sheet, namely the service life of the electric connector is improved; the conducting mode is directly connected with an external device (such as a PCB) through the elastic sheet, so that the disconnection risk of the electric connection can be improved, and the connection reliability of the electric connector can be improved.

The foregoing description is only a partial embodiment of the present utility model, and is not intended to limit the scope of the present utility model, and all equivalent devices or equivalent processes using the descriptions and the drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the present utility model.

Claims

1. An electrical connector, the electrical connector comprising:

2. The electrical connector of claim 1, wherein the portion of the spring disposed within the cavity of the housing is curved, the needle is telescopically movable through the first opening, and the spring generates a spring force against the needle.

3. The electrical connector of claim 1, wherein the spring plate is made of stainless steel or copper alloy.

4. The electrical connector of claim 3, wherein the spring tab is welded to the pin.

5. The electrical connector of claim 1, wherein the needle is any one of a metal, an alloy, or a carbon fiber.

6. The electrical connector of claim 1, wherein the housing is provided with a connecting post at an end proximate the second opening, the connecting post for effecting a secure connection of the housing to an external device.

7. The electrical connector of claim 6, wherein the spring comprises a connecting seat and an elastic connecting end, wherein the connecting seat is integrally bent, one end of the elastic connecting end is inserted into the housing and connected with the needle, the other end of the elastic connecting end is connected with the connecting seat, and the connecting seat is used for being electrically connected with an external device.

8. The electrical connector of claim 7, wherein the connector base includes a base plate of unitary construction and connection legs extending in opposite directions from the base plate, respectively, the connection legs being adapted for electrical connection with an external device.

9. A circuit board assembly comprising a circuit board and the electrical connector of any one of claims 1-8, wherein the spring tab of the electrical connector is electrically connected to the circuit board.

10. An electronic device comprising an electronic component and the circuit board assembly of claim 9, wherein the electronic component is held against a pin of the electrical connector to thereby effect an electrical connection with the circuit board.