CN103457327B - A kind of charging contact structure and electronic equipment - Google Patents

Abstract

The present invention relates to the technical field of charging devices, in particular to a charging contact structure and electronic equipment using the charging contact structure; the charging contact structure includes: plastic parts, metal conductive parts and metal lugs; wherein, the The metal conducting member passes through the plastic part and cooperates with the plastic part in an interference fit; one end of the metal conducting member is electrically connected to the metal lug, and the metal lug is used for The motherboard circuit is connected; when charging, the other end of the metal conducting member is used to electrically connect with the charging stand, and the obtained electric energy is stored in the device through the metal lug. In the technical solution adopted by the present invention, the metal conductive part and the plastic part are matched in an interference fit manner, which effectively improves the waterproof effect of the charging contact.

Description

A charging contact structure and electronic equipment

technical field

The invention relates to the technical field of charging devices, in particular to a charging contact structure and electronic equipment using the charging contact structure.

Background technique

As the design of electronic equipment becomes more and more streamlined and convenient, more and more attention has been paid to the cooperation between the leakage charging contact of the electronic equipment and the charging stand for charging. For this charging method, the charging contacts are exposed on the housing of the electronic device. When charging the electronic device, the charging contacts of the electronic device and the contacts of the charging stand are placed in a coordinated manner to realize the charging of the electronic device. Charging of the device.

In the prior art, the charging contact of the electronic device cooperates with the charging stand to charge, which simplifies the cumbersome procedure of charging with a data cable, and facilitates the charging process of the electronic device. However, with the improvement of requirements for waterproof, moisture-proof and dust-proof of electronic equipment, higher requirements are further put forward for the sealing effect of electronic equipment. The charging contacts of the electronic equipment need to be charged with the corresponding contacts of the charging stand, so the charging contacts of the electronic equipment exposed outside the casing are likely to cause water, moisture and dust to enter the electronic equipment; therefore, in order to make the electronic equipment The equipment has better waterproof, moisture-proof and dust-proof effects. It is very important to carry out a reasonable and effective sealing design for the charging contacts of electronic equipment, and then achieve effective waterproof, moisture-proof and dust-proof effects.

Contents of the invention

In order to improve the waterproof and moisture-proof effect of the charging contact of the electronic device, and further improve the waterproof and moisture-proof effect of the electronic device, the embodiments of the present invention provide the following technical solutions:

A charging contact structure, comprising: a plastic part, a metal conducting part and a metal lug; wherein, the metal conducting part passes through the plastic part and cooperates with the plastic part in an interference fit; the One end of the metal conducting piece is electrically connected to the metal lug, and the metal lug is used to connect with the main board circuit; when charging, the other end of the metal conducting piece is used to electrically connect to the charging stand, The obtained electric energy is stored in the device through the metal lug.

Further, the charging contact structure further includes: a magnetic sleeve sleeved on the metal conducting member, and there is a gap between the inner surface of the magnetic sleeve and the metal conducting member.

Further, in the charging contact structure, the end of the metal conducting member electrically connected to the metal lug is barrel-shaped; after the action of an external force, the barrel-shaped port is circumferentially tilted outwards and pressed tightly. The magnetic sleeve and the metal connecting piece.

Further, in the charging contact structure, one end of the metal lug has a hole matching the metal via.

Further, in the charging contact structure, a small hole is opened at the other end of the metal lug for connecting with the main board circuit.

Further, in the charging contact structure, the other end of the metal lug has two mutually symmetrical openings for connecting with the main board circuit.

Further, in the charging contact structure, the other end of the metal conducting member has a circular groove, and the circular groove is used to cooperate with the protrusion on the charging stand to form an electrical connection.

Further, in the charging contact structure, the metal vias are copper metal vias.

Further, in the charging contact structure, the plastic part is thermoplastic.

In the charging contact structure provided by the embodiments of the present invention, the metal conductive part passes through the plastic part and cooperates with the plastic part in an interference fit manner. The use of the interference fit method ensures a tight sealing effect between the plastic part and the metal conducting part, thus ensuring the tight sealing effect of the charging contact structure, and further making the electronic device using this charging contact structure have a relatively high performance. Good waterproof, moisture-proof and dust-proof effect.

The embodiment of the present invention also provides an electronic device, including a microprocessor unit, a storage unit, a power supply unit and a housing; meanwhile, it also includes the above-mentioned charging contact structure.

In the electronic device adopting the above-mentioned charging contact structure provided by the embodiments of the present invention, the metal conductive part of the charging contact passes through the plastic part and cooperates with the plastic part in an interference fit manner. The adoption of the interference fit method ensures a tight sealing effect between the plastic part and the metal conducting part, thus ensuring that the electronic equipment adopting this charging contact structure has better waterproof, moisture-proof and dust-proof effects.

Description of drawings

The drawings described here are used to provide a further understanding of the present invention, constitute a part of the present invention, and do not limit the present invention. In the attached picture:

Fig. 1 is a schematic diagram of the structure of a charging contact in Embodiment 1 of the present invention;

2 is a schematic cross-sectional view of the charging contact structure in Embodiment 1 of the present invention;

Fig. 3 is a schematic diagram of the rendering effect after the external force acts on the barrel-shaped port of the metal conducting member in the charging contact structure in the first embodiment of the present invention;

Fig. 4 is a schematic structural diagram of a charging contact including three contacts in Embodiment 2 of the present invention;

Fig. 5 is a schematic diagram of the structure of the smart phone application charging contact in the third embodiment of the present invention;

The annotations in the attached drawings are as follows:

11 Plastic parts, 12 Metal conducting parts, 13 Metal lugs, 14 Magnetic sleeves, 41 Positive polarity contacts, 42 Control electric shocks, 43 Negative polarity contacts, 51 Plastic parts, 52, Metal conducting parts.

detailed description

The present invention will be described in more detail and complete below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only parts related to the present invention are shown in the drawings but not all content.

The present invention discloses a charging contact structure. The following describes the present invention in more detail and completeness in combination with specific embodiments.

FIG. 1 is a schematic diagram of the structure of a charging contact in Embodiment 1 of the present invention. As shown in Figure 1, the charging contact includes a plastic part 11, a metal conducting part 12 and a metal lug 13; wherein, the metal conducting part 12 passes through the plastic part 11 and cooperates with the plastic part 11 in an interference fit manner One end of the metal conducting member 12 forms an electrical connection with the metal lug 13, and the metal lug 13 is used to connect with the main board circuit; when charging, the other end of the metal conducting member 12 is used for electrically connecting with the charging stand, The obtained electrical energy is stored in the device through the metal lug 13 .

In this embodiment, the metal vias 12 and the plastic parts 11 are fitted in an interference fit manner. For the implementation of this embodiment, in order to make the plastic part 11 and the metal conducting part 12 cooperate in an interference fit manner, the metal conducting part is first heated, and when heated to a certain degree, the plastic part 11 and the metal conducting part can be ensured. To the extent that the component 12 is fully fitted, the metal via 12 is inserted into the plastic component 11 to achieve a very effective interference fit between the plastic component 11 and the metal via 12 .

Further, the charging contact of the present invention further includes a magnetic sleeve 14 covering the metal lead 12 , and there is a gap between the inner surface of the magnetic sleeve 14 and the metal lead 12 . In this embodiment, the charging contact also includes a magnetic sleeve 14, which is sleeved on the metal conductor 12. When the electronic device using this charging contact is matched with the charging stand for charging, the magnetic sleeve 14 It can cooperate and fix with the metal or magnetic body on the charging stand, and then play the role of fixing the electronic equipment.

2 is a schematic cross-sectional view of the charging contact structure in Embodiment 1 of the present invention. As shown in Figure 2, wherein, the plastic part 11, the metal conducting part 12, the metal connecting piece 13 and the magnetic sleeve 14; wherein, the metal conducting part 12 passes through the plastic part 11, and is interference fit with the plastic part 11 Cooperate; one end of the metal conducting piece 12 forms an electrical connection with the metal lug 13, and the metal lug 13 is used to connect with the motherboard circuit; when charging, the other end of the metal conducting piece 12 is used to electrically connect with the charging stand The obtained electric energy is stored in the device through the metal lug 13 , and the magnetic sleeve 14 is set on the metal lead 12 . In this schematic diagram, the barrel-shaped port portion of the metal via has not been subjected to external force.

3 is a schematic diagram of the effect of the barrel-shaped port of the metal conductive member in the charging contact structure in Embodiment 1 of the present invention after the external force is applied; wherein, the plastic part 11, the metal conductive member 12, the metal connecting piece 13 and the magnetic sleeve 14 ; The end of the metal conducting piece 12 electrically connected to the metal lug 13 is barrel-shaped, and the barrel-shaped port part is toppled outward in a circle after the external force acts, pressing the magnetic sleeve 14 and the metal lug 13

In this embodiment, when the barrel-shaped end of the metal conducting member 12 is subjected to an external force, a certain pressure is applied to the metal lug 13 and the magnetic sleeve 14. Under the action of this pressure, the metal lug 13 and the magnetic sleeve 14 are tight and firm. Fixing together ensures the stability of the charging contacts; at the same time, because the stability of the charging contacts is reinforced, the waterproof and moisture-proof effects of the charging contacts are further improved.

Preferably, in this embodiment, one end of the metal lug 13 has a hole that matches the metal via 12; wherein, a small hole is opened at the other end for connecting with the main board circuit, or two openings that are symmetrical to each other are opened. , used to connect with the main board circuit; the two specific ways of the metal lugs in this embodiment are not used to limit the specific scope of the present invention, and the present invention can also be in other forms according to actual design needs.

Preferably, a circular groove is formed at the other end of the metal conducting member, and the circular groove is used to cooperate with the protrusion on the charging stand to form an electrical connection.

Preferably, the metal vias 12 in the embodiment of the present invention are copper metal vias.

Preferably, the metal lug 13 in the embodiment of the present invention is a copper metal lug.

Preferably, the plastic part 11 in the embodiment of the present invention is thermoplastic. Thermoplastic means that plastic can be re-melted and shaped if it is heated after it has been molded. In this way, the use of thermoplastics as the material of the plastic parts can more effectively realize the sealing of the charging contacts, and more effectively ensure the waterproof, moisture-proof, dust-proof, etc. of the charging contacts.

In the charging contact structure provided by the embodiments of the present invention, the metal conductive part passes through the plastic part and cooperates with the plastic part in an interference fit manner. The use of the interference fit method ensures a tight sealing effect between the plastic part and the metal conducting part, thus ensuring the tight sealing effect of the charging contact structure, and further making the electronic device using this charging contact structure have a relatively high performance. Good waterproof, moisture-proof and dust-proof effects.

Fig. 4 is a schematic structural diagram of a charging contact including three contacts in Embodiment 2 of the present invention;

The charging contact is a contact point that is electrically connected to the contact on the charging stand to charge the electronic equipment when the electronic equipment and other related equipment are charged. When the charging contact is applied to an electronic device, according to the type of the electronic device, the charging contact often includes multiple charging contact structures described in Embodiment 1, and may have different designs. For example, an electronic device only includes two There are three charging contacts, one of which is positive and the other is negative; there can also be three contacts, one positive, one negative, and also include a grounding contact or a Control contacts for controlling the charging capacity. Depending on the application method and application scenario of the device, the charging contacts can have different designs. In this embodiment, three charging contacts are designed according to the requirements of the electronic equipment, and the three charging contacts are designed on the same plastic part.

As shown in FIG. 1 , the charging contact structure in this embodiment includes a positive contact 41 , a control contact 42 and a negative contact 43 . Wherein the positive polarity contact 41, the control contact 42 and the negative polarity contact 43 adopt the same structure, so that the structure of any one of the contacts includes: plastic parts, metal conductive parts, metal connecting pieces and magnetic sleeves; Plastic parts, metal conductive parts and metal lugs; among them, the metal conductive parts pass through the plastic parts and cooperate with the plastic parts in an interference fit; one end of the metal conductive parts is electrically connected to the metal lugs; when charging , the other end of the metal lead is used for electrical connection with the charging stand, and is connected to the main board circuit through the metal lug to store the electric energy obtained by the metal lead in the device, and the magnetic sleeve is placed on the metal lead.

When charging, the positive contact 41 in the present embodiment is electrically connected to the positive contact of the charging stand; the negative contact 43 is electrically connected to the negative contact of the charging stand; the control contact 42 is connected to the charging stand. The control contacts of the seat are connected. The control contact 42 is used to manage the charging process, and when the electronic device is fully charged, the charging stand is controlled to stop charging the electronic device.

The charging contact structure provided by the embodiment of the present invention includes three charging contacts, because the metal conductive part passes through the plastic part and cooperates with the plastic part in an interference fit manner. The use of the interference fit method ensures a tight sealing effect between the plastic part and the metal conducting part, thus ensuring the tight sealing effect of the charging contact structure, and further making the electronic device using this charging contact structure have a relatively high performance. Good waterproof, moisture-proof and dust-proof effect.

Charging contact structures are often used in charging electronic devices; electronic devices, such as smart phones, non-smart phones, MP3, handheld computers and other mobile electronic devices. The following embodiments take a smart phone as an example to illustrate the present invention. It can be understood that the specific application of this embodiment is not intended to limit the specific application of the present invention. Different choices and designs can be made according to actual application requirements. Handheld computers, non-smart mobile phones, etc., or install charging contact structures on the upper end, lower end or side of electronic equipment, etc.

Fig. 5 is a schematic diagram of the structure of the charging contact for the smart phone application in the third embodiment of the present invention.

As shown in Figure 5, the smart phone includes a microprocessor unit, a storage unit, a power supply unit and a housing; wherein, the microprocessor unit is used to control and manage each application mode and each running process of the smart phone; the storage unit is used to Store the storage of relevant data during the use of the smart phone; the power supply unit is used to supply power to the smart phone.

Further, the smart phone in the embodiment of the present invention also includes the charging contact structure in the second embodiment of the present invention; as shown in FIG. In this example, the charging contact structure is installed at the bottom of the smartphone. When charging, place the smartphone on the charging stand to charge the smartphone.

In the smart phone adopting the above-mentioned charging contact structure provided by the embodiment of the present invention, the metal conductive part of the charging contact passes through the plastic part and cooperates with the plastic part in an interference fit manner. The adoption of the interference fit method ensures a tight sealing effect between the plastic part and the metal conducting part, thus ensuring that the electronic equipment adopting this charging contact structure has better waterproof, moisture-proof and dust-proof effects.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (8)

1. A charging contact structure, characterized in that it comprises: a plastic part, a metal conducting part and a metal lug; wherein, the metal conducting part passes through the plastic part and interferes with the plastic part Matching mode: one end of the metal conducting member is electrically connected to the metal lug, and the metal lug is used to connect with the main board circuit; when charging, the other end of the metal conducting member is used to connect with the main board circuit. The charging stand is electrically connected to store the obtained electric energy in the device through the metal lug, and also includes: a magnetic sleeve sleeved on the metal lead, the inner surface of the magnetic sleeve is in contact with the metal lead There is a gap in the through piece, and the end of the metal through piece electrically connected to the metal lug is in the shape of a barrel; after an external force, the barrel-shaped port part is tilted outwards in a circle, pressing the magnetic sleeve and metal connectors. 2 . The charging contact structure according to claim 1 , wherein a hole matching the metal via is opened at one end of the metal lug. 3 . 3. The charging contact structure according to claim 2, wherein a small hole is opened at the other end of the metal lug for connecting with the main board circuit. 4 . The charging contact structure according to claim 2 , wherein the other end of the metal lug has two mutually symmetrical openings for connecting with the main board circuit. 5. The charging contact structure according to claim 1, wherein the other end of the metal conducting member has a circular groove, and the circular groove is used to match the protrusion on the charging stand. Cooperate to form an electrical connection. 6 . The charging contact structure according to claim 1 , wherein the metal vias are copper metal vias. 7. The charging contact structure according to any one of claims 1-6, wherein the plastic part is thermoplastic. 8. An electronic device, comprising a microprocessor unit, a storage unit, a power supply unit and a housing; characterized in that, it further comprises the charging contact structure according to any one of claims 1-7.