CN211320371U

CN211320371U - Electric connector and electric connection system

Info

Publication number: CN211320371U
Application number: CN202020164993.7U
Authority: CN
Inventors: 许强东; 于立成; 李杨
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2020-02-12
Filing date: 2020-02-12
Publication date: 2020-08-21
Anticipated expiration: 2030-02-12

Abstract

The present disclosure relates to an electrical connector and an electrical connection system, the electrical connector including a connection core wire and a connector main body. Through setting up the recess at the characteristic surface of circuit board heart yearn conduction portion to make the link of connecting the heart yearn accept in above-mentioned recess and with recess conductive connection, the link is acceptd and has reduced its occupation to the above-mentioned space of characteristic surface in the recess, has reduced the thickness that the electrically conductive cooperation of link and heart yearn conduction portion occupy circuit board heart yearn conduction portion department. Through the structure, the whole thickness of the electric connector at the core wire conduction part is reduced, and the light and thin property and the external attractiveness of the electric connector are improved.

Description

Electric connector and electric connection system

Technical Field

The present disclosure relates to the field of electronic technologies, and in particular, to an electrical connector and an electrical connection system.

Background

In the related art, an electrical connector such as TYPE-C generally includes a connector main body and a connection core wire, and one end of the connection core wire is soldered to a pad of a circuit board of the connector main body to achieve conduction of the connection core wire with the connector main body. However, the height of the connection core wire and the circuit board pad itself and the thickness of the solder formed by the solder fit between the connection core wire and the circuit board pad are accumulated at the circuit board pad, which causes the longitudinal thickness of the TYPE-C connector at the circuit board pad to increase, and affects the lightness and the beauty of the TYPE-C connector.

SUMMERY OF THE UTILITY MODEL

The present disclosure provides an electrical connector and an electrical connection system to improve the lightness and the beauty of the electrical connector.

According to a first aspect of the present disclosure, there is provided an electrical connector comprising: connecting the core wire and the connector body;

the connector body includes a circuit board and at least one core wire lead-through disposed on the circuit board, the core wire lead-through including a feature surface and a groove disposed on the feature surface;

the connecting core wire comprises a connecting end, and the connecting end is contained in the groove and is in conductive connection with the groove.

Optionally, the electric connector further comprises a fixed connecting piece, the groove comprises an assembly space and a fixed space, the connecting end is contained in the assembly space, and the fixed connecting piece is respectively fixedly matched with the connecting end and the fixed space.

Optionally, the fixed connector includes a welding part, the core wire conducting part is a pad arranged on the circuit board, and the connecting end is fixedly connected with the assembling space through welding.

Optionally, the connector body includes a plurality of core wire guiding portions, and the plurality of core wire guiding portions are arranged side by side.

Optionally, the feature surface comprises a first assembly plane perpendicular to the thickness direction of the connector body.

Optionally, the connector body further includes a shielding case, and the shielding case covers the circuit board.

Optionally, a preset interval is provided between the inner surface of the shielding shell and the characteristic surface of the core wire conducting part, and the size of the preset interval is greater than or equal to 0.5 mm.

Optionally, the shielding shell is made of iron.

Optionally, the connection core wire further includes an extension section connected to the connection end, the connector main body further includes an insertion end connected to the circuit board, and the electrical connector further includes a package member, where the package member covers the shielding shell, the extension section, and a portion of the insertion end connected to the circuit board.

According to a second aspect of the present disclosure, an electrical connection system is provided, which includes an electronic device and the electrical connector, wherein a connection socket is disposed on the electronic device; the connector body of the electric connector comprises a plugging end, and the plugging end is matched with the connecting socket in size.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

this is disclosed through setting up the recess at the characteristic surface of circuit board heart yearn conduction portion to make the link of connecting the heart yearn accept in above-mentioned recess and with recess conductive connection, the link is acceptd and has reduced its occupation to the space more than the characteristic surface in the recess, has reduced the thickness that the electrically conductive cooperation of link and heart yearn conduction portion occupy circuit board heart yearn conduction portion department. Through the structure, the whole thickness of the electric connector at the core wire conduction part is reduced, and the light and thin property and the external attractiveness of the electric connector are improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

Fig. 1 is a schematic cross-sectional view of an electrical connector in an exemplary embodiment of the present disclosure;

fig. 2 is a schematic perspective view of an electrical connector according to an exemplary embodiment of the present disclosure;

fig. 3 is a schematic cross-sectional view of an electrical connector in another exemplary embodiment of the present disclosure;

fig. 4 is a schematic cross-sectional view of an electrical connection system in another exemplary embodiment of the present disclosure.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

It should be noted that the electrical connector according to the present disclosure may be a USB-a TYPE connector, a TYPE-B TYPE connector, a TYPE-C TYPE connector, etc., and the present disclosure is not limited thereto. The following is an exemplary illustration of a TYPE-C connector:

fig. 1 is a schematic view of an assembled structure of an electrical connector according to an exemplary embodiment of the present disclosure; fig. 2 is an exploded view of an electrical connector in an exemplary embodiment of the present disclosure. As shown in fig. 1 and 2, the electrical connector 1 includes: the core wire 12 and the connector body 11 are connected. The connector body 11 includes a circuit board 111 and at least one core wire lead-through 1111 provided on the circuit board 111, the core wire lead-through 1111 including a feature surface 1111a and a groove 1111b provided on the feature surface 1111 a. The connection core 12 includes a connection end 121, and the connection end 121 is received in the recess 1111b and electrically connected to the recess 1111 b.

The notch 1111b is arranged on the characteristic surface 1111a of the core wire conducting portion 1111 of the circuit board 111, and the connecting end 121 of the connecting core wire 12 is accommodated in the notch 1111b and is conductively connected with the notch 1111b, so that the accommodating of the connecting end 121 in the notch 1111b reduces the occupation of the space above the characteristic surface 1111a, and the thickness of the core wire conducting portion 1111 of the circuit board 111 occupied by the conductive matching of the connecting end 121 and the core wire conducting portion 1111 is reduced. Through the above structure, the overall thickness of the electric connector 1 at the core wire conduction part 1111 is reduced, and the lightness and thinness and the external appearance of the electric connector 1 are improved.

In other embodiments, as shown in fig. 1 and 2, the connector main body 11 further includes a shielding shell 13, and the shielding shell 13 covers the circuit board 111 to shield signal interference of external signals on the circuit board 111 of the connector main body 11. Further, a predetermined interval is provided between the inner surface of the shield shell 13 and the characteristic surface 1111a of the core wire conduction portion 1111, and the size of the predetermined interval is greater than or equal to 0.5 mm, so as to prevent a short circuit from occurring between the shield shell 13 and the core wire conduction portion 1111.

It should be noted that the shielding shell 13 is made of iron, or the shielding shell 13 may be made of other metal materials to perform the shielding function, which is not limited in the present disclosure.

In other embodiments, as shown in fig. 1 and fig. 2, the connection core 12 further includes an extension 122 connected to the connection end 121, the connector main body 11 further includes a mating end 113 connected to the circuit board 111, and the package 14 further includes a package 14, where the package 14 covers the shielding shell 13, the extension 122 and a portion of the mating end 113 connected to the circuit board 111. The packaging member 14 coats the connector main body 11 and the adjacent part structure of the connection core wire 12, the plugging end 113 is exposed at one end of the packaging member 14, and the connection core wire 12 is exposed at the other end of the packaging member 14, so that the sealing performance and the aesthetic property of the connection part of the connector main body 11 and the connection core wire 12 are improved. In the thickness direction of the electrical connector 1, the core wire guiding portion 1111 of the circuit board 111 is provided with a groove 1111b, and the connection end 121 of the connection core wire 12 is received in the groove 1111b, thereby reducing the overall thickness of the portion, reducing the overall thickness of the electrical connector 1 after covering the shielding case 13 and the package member 14, and improving the overall lightness and thinness and aesthetic appearance of the electrical connector 1.

In some embodiments, as shown in fig. 2, the connector body 11 includes a plurality of core wire leads 1111, the core wire leads 1111 are arranged side by side so that a plurality of connection cores 12 are conductively fitted with the core wire leads 1111, and structural interference between the plurality of connection cores 12 due to the arrangement position of the core wire leads 1111 and interference with the thickness of the connector body 11 are reduced.

In the above embodiment, the connection end 121 may be completely received in the groove 1111b, or may be partially received in the groove 1111 b. When the link end 121 is fully received in the recess 1111b, the structure of the link end 121 is entirely within the recess 1111b, thereby avoiding the structure of the link end 121 from occupying space above the featured surface 1111 a. When the connecting end 121 is partially received in the recess 1111b, part of the connecting end 121 is received in the recess 1111b, and part of the connecting end 121 protrudes out of the recess 1111b, so as to avoid the influence of the excessive depth of the recess 1111b on the structural strength of the core wire conducting portion 1111, and simultaneously reduce the occupation of the connecting end 121 on the space above the characteristic surface 1111a, which is helpful to reduce the overall thickness of the electrical connector 1 at the core wire conducting portion 1111.

In some embodiments, featured surface 1111a includes a first assembly plane that is perpendicular to the thickness direction of connector body 11. The first assembly plane is provided with the groove 1111b, the sectional dimension of the groove 1111b matches the sectional dimension of the connection terminal 121 in the thickness direction perpendicular to the connector body 11, and the connection terminal 121 is accommodated in the groove 1111b in the thickness direction of the connector body 11, so that the space occupation in the thickness direction perpendicular to the connector body 11 is reduced, the thinness of the electrical connector 1 in the thickness direction is improved, and the assembly and the fixation of the connection terminal 121 are facilitated.

In other embodiments, featured surface 1111a includes a second assembly plane that is parallel to the thickness direction of connector body 11. The second assembling plane is provided with the groove 1111b, the sectional dimension of the groove 1111b matches the sectional dimension of the connecting terminal 121 in the thickness direction parallel to the connector body 11, and the connecting terminal 121 is accommodated in the groove 1111b in the thickness direction perpendicular to the connector body 11, so that the space occupation in the thickness direction perpendicular to the connector body 11 can be reduced, and the thinness of the electrical connector 1 in the thickness direction is improved.

The following is an exemplary description of the manner in which the connection end 121 cooperates with the groove 1111 b:

as shown in fig. 3, the electrical connector 1 further includes a fixing connector 112, the recess 1111b includes an assembling space 1111c and a fixing space 1111d, the connecting end 121 is received in the assembling space 1111c, and the fixing connector 112 is respectively fixed and matched with the connecting end 121 and the fixing space 1111 d. A fixing space 1111d is reserved for the fixing connector 112 in the groove 1111b, so that the space above the characteristic surface 1111a occupied by the fixing connector 112 protruding out of the groove 1111b in the process of fixing the connecting end 121 and the groove 1111b can be avoided.

In some embodiments, as shown in fig. 3, the fixing connector 112 is a solder member, the core wire conduction portion 1111 is a pad provided on the circuit board 111, and the connection terminal 121 and the assembly space 1111c are fixedly connected by soldering. The connection end 121 of the connection core wire 12 is soldered in the assembly space 1111c by a soldering process, which increases the connection reliability of the connection core wire 12 with the pad on the circuit board 111, and has a simple process and convenient operation.

In other embodiments, the fixing connector 112 may also be other structural members such as a clamping member and a limiting member, and the connecting end 121 of the connecting core wire 12 is fixed in the groove 1111b through clamping or limiting engagement between the fixing connector 112 and the groove 1111b, so that the fixing and the electrical connection between the connecting end 121 and the groove 1111b can also be achieved.

The present disclosure further provides an electrical connection system, as shown in fig. 4, the electrical connection system includes an electronic device 2 and the electrical connector 1, the electronic device 2 is provided with a connection socket 21, the connector body 11 of the electrical connector 1 includes a plugging end 113, and the plugging end 113 is matched with the connection socket 21 in size.

In the working process of the electrical connection system, the inserting end 113 of the electrical connector 1 is inserted into the connecting socket 21 of the electronic device 2, so that the electronic device 2 is matched with the electrical connector 1, and functions such as charging and data transmission of the electronic device 2 can be realized through the electrical connector 1.

In some embodiments, the connector main body 11 further includes a shielding case 13 and an encapsulation 14, and the shielding case 13 covers the circuit board 111 to shield the circuit board 111 of the connector main body 11 from signal interference of external signals. The connection core 12 further includes an extension 122 connected to the connection end 121, the connector body 11 further includes a plug end 113 connected to the circuit board 111, and the package 14 covers the shielding shell 13, the extension 122 and a portion of the plug end 113 connected to the circuit board 111. When the electrical connector 1 is used to mate with the electronic device 2, the package 14 of the electrical connector 1 may be pinched by fingers and the mating terminal 113 may be inserted into the connection socket 21 of the electronic device 2.

In the above embodiment, since the recess 1111b is provided in the core wire conducting portion 1111 of the circuit board 111 in the thickness direction of the electrical connector 1, and the connection end 121 of the connection core wire 12 is accommodated in the recess 1111b, the overall thickness of the electrical connector 1 is reduced after covering the shielding case 13, the package 14, and the like, and the overall lightness, the beauty, and the grasping comfort when the electrical connector 1 is used in cooperation with the electronic device 2 are improved.

The electronic device 2 may be a mobile phone, a tablet computer, a vehicle-mounted terminal, or a medical terminal, and the disclosure is not limited thereto.

By providing the notch 1111b on the characteristic surface 1111a of the core wire conducting portion 1111 of the circuit board 111 and by accommodating the connection terminal 121 of the connection core wire 12 in the notch 1111b and conductively connecting the connection terminal 121 with the notch 1111b, the thickness of the core wire conducting portion 1111 of the circuit board 111 is prevented from being occupied by the conductive engagement between the connection terminal 121 and the core wire conducting portion 1111. Through the above structure, the overall thickness of the electric connector 1 at the core wire conduction part 1111 is reduced, and the lightness and thinness and the external appearance of the electric connector 1 are improved.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. An electrical connector, comprising: connecting the core wire and the connector body;

2. The electrical connector of claim 1, further comprising a fixing connector, wherein the recess includes an assembly space and a fixing space, the connecting end is received in the assembly space, and the fixing connector is respectively fixedly engaged with the connecting end and the fixing space.

3. The electrical connector of claim 2, wherein the fixed connector includes a solder member, the core wire guiding portion is a land provided on the circuit board, and the connection terminal and the assembly space are fixedly connected by soldering.

4. The electrical connector of claim 1, wherein the connector body includes a plurality of the core wire lead-throughs, the plurality of core wire lead-throughs being arranged side-by-side.

5. The electrical connector of claim 1, wherein the feature surface comprises a first assembly plane perpendicular to a thickness direction of the connector body.

6. The electrical connector of claim 1, wherein the connector body further comprises a shield shell that encases the circuit board.

7. The electrical connector of claim 6, wherein a predetermined spacing is provided between the inner surface of the shield shell and the characteristic surface of the core wire lead-through, the predetermined spacing having a dimension greater than or equal to 0.5 mm.

8. The electrical connector of claim 6, wherein the shielding shell is made of iron.

9. The electrical connector of claim 6, wherein the connection core further comprises an extension connected to the connection end, the connector body further comprises a mating end connected to the circuit board, and the electrical connector further comprises a package enclosing the shield shell, the extension, and a portion of the mating end connected to the circuit board.

10. An electrical connection system comprising an electronic device and an electrical connector as claimed in any one of claims 1 to 9, said electronic device having a connection socket; the connector body of the electric connector comprises a plugging end, and the plugging end is matched with the connecting socket in size.