CN215934000U

CN215934000U - Radio frequency coaxial line and electronic equipment

Info

Publication number: CN215934000U
Application number: CN202122545483.1U
Authority: CN
Inventors: 王晓
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-03-01
Anticipated expiration: 2031-10-21

Abstract

The utility model relates to a radio frequency coaxial line and electronic equipment, the radio frequency coaxial line includes the line terminal casing, the insulating part, the connecting piece, connecting wire and line terminal lid, the line terminal casing is the tube-shape and be provided with accommodation space and with the communicating spacing portion of accommodation space, the insulating part is located accommodation space and be provided with the installation department, the connecting piece installation is just spacing in the installation department, and the connecting piece part stretches out in the insulating part in order to be used for with PCB board signal connection, the connecting wire is connected with the connecting piece electricity and spacing through spacing portion, so that the connecting wire is connected with line terminal casing electrically conductive, the line terminal casing has relative first end and the second end that sets up, the first end is used for being connected with PCB board ground connection, second end and line terminal lid fixed connection. Through the technical scheme, the height of the radio-frequency coaxial line after being matched with the electronic equipment can be reduced, the structural design space of the electronic equipment is optimized, and the cost is reduced.

Description

Radio frequency coaxial line and electronic equipment

Technical Field

The present disclosure relates to the field of electrical connectors, and in particular, to a radio frequency coaxial cable and an electronic device.

Background

The radio frequency coaxial line is widely applied to electronic equipment such as automobile electronics, consumer electronics, communication terminals and the like as a data transmission line. The existing radio frequency coaxial line mainly comprises a board end base and a connecting line end, and in order to meet the matching requirements and signal transmission of the connecting line end and the board end base, the board end base and the connecting line end need to be designed with related matching structures, the processing difficulty is high, the consumption of metal materials is high, and the cost is high. In addition, the structural design of the existing radio frequency coaxial line has certain limitation in height, and is difficult to optimize in equipment with small structural layout space (such as 3C equipment like a mobile phone).

SUMMERY OF THE UTILITY MODEL

The purpose of the present disclosure is to provide a radio frequency coaxial line and an electronic device, so as to reduce the height of the radio frequency coaxial line after being matched with the electronic device, optimize the structural design space of the electronic device, and reduce the cost.

In order to achieve the above object, the present disclosure provides a radio frequency coaxial line including a line end housing, an insulating member, a connecting line, and a line end cap, the wire end shell is cylindrical and is provided with an accommodating space and a limiting part communicated with the accommodating space, the insulating piece is positioned in the accommodating space and is provided with an installation part, the connecting piece is installed and limited on the installation part, and the connecting part partially extends out of the insulating part for signal connection with a PCB, the connecting wire is electrically connected with the connecting part and limited by the limiting part, so that the connection wire is electrically conductively connected with the wire end housing, the wire end housing having a first end portion and a second end portion which are oppositely arranged, the first end portion is used for being connected with the PCB in a grounding mode, and the second end portion is fixedly connected with the wire end cover.

Optionally, the wire end housing is provided with a stopper opening that penetrates a side wall of the wire end housing and extends in an axial direction of the wire end housing, the side wall of the stopper opening extending obliquely inward toward the first end portion to form a stopper surface that contacts the connecting wire and serves as the stopper portion to stop movement of the connecting wire toward the first end portion.

Optionally, the side wall of the stopper opening extends obliquely outwards towards the second end to form a guiding surface for guiding the connecting wire into the stopper opening.

Optionally, the insulating member is cylindrical, the mounting portion is configured as a mounting groove extending radially inward of the insulating member and penetrating the insulating member, and an end portion of the mounting groove facing the first end portion is provided with a stopper protrusion for stopping movement of the connecting member toward the first end portion.

Optionally, the mounting groove has two side groove walls that are oppositely disposed, each of the side groove walls is provided with the stopping protrusion, the stopping protrusion extends from the side groove wall in the radial direction of the insulating member, and the two stopping protrusions are spaced apart from each other so that the connecting member extends out of the mounting groove.

Optionally, an end of the mounting groove facing the second end is provided with an elastic separation block, the elastic separation block is connected to a bottom groove wall of the mounting groove and has an idle state and an assembly state, in the idle state, the elastic separation block avoids a groove opening of the mounting groove, and in the assembly state, the elastic separation block is located between the connecting piece and the wire end cover.

Optionally, the connecting member includes a body, and a bending portion and two contact pins connected to two ends of the body, the bending portion is bent from the body to form an arc-shaped structure, an end portion of the connecting wire is accommodated in the bending portion and electrically connected to the bending portion, the number of the contact pins is two, and the two contact pins are spaced apart from each other along a width direction of the body for signal connection with the PCB.

Optionally, the cord end cover includes a cover plate portion and a connecting portion connected to an edge of the cover plate portion, the connecting portion being used for the cord end housing to be fixedly connected.

On the basis of the technical scheme, the electronic equipment comprises a PCB and the radio frequency coaxial line, and the radio frequency coaxial line is connected with the PCB.

Optionally, the PCB board is provided with a board end contact socket having a contact surface and a connection hole, the wire end housing is in contact with the contact surface for ground connection, and the connection member extends into the connection hole and is in contact with a hole wall of the connection hole for signal connection.

Through the technical scheme, the radio frequency coaxial line provided by the disclosure separates the connecting piece from the line end shell through the insulating piece to prevent the short circuit caused by the contact of the connecting piece and the line end shell, the connecting piece is installed on the installation part of the insulating piece and is limited by the installation part to reliably limit the connecting piece in the installation part, and when the connecting piece is installed on the insulating piece, the connecting piece partially extends out of the insulating piece to be in signal connection with the PCB so as to realize signal transmission, the first end part of the line end shell is used for being in ground connection with the PCB, the second end part of the line end shell is used for being fixedly connected with the line end cover so as to close the second end part of the line end shell through the line end cover, and therefore electromagnetic shielding is realized. By the mode, the radio-frequency coaxial line provided by the disclosure can be more miniaturized and shortened, when the radio-frequency coaxial line provided by the disclosure is connected to a PCB in electronic equipment, the first end part of the line end shell is connected with the PCB in a grounding mode, and the connecting part extends out of the insulating part and is connected with the PCB in a signal mode, so that signal transmission is achieved. Therefore, compared with the traditional scheme, the radio-frequency coaxial line provided by the disclosure has the advantages that the board end is omitted, the radio-frequency coaxial line is connected with the PCB in the electronic equipment, the height of the radio-frequency coaxial line after being matched with the electronic equipment can be reduced, and the structural design space of the electronic equipment is optimized. In addition, the material is saved in industrial production, and the plate end processing and manufacturing can be omitted, so that the cost can be reduced.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

fig. 1 is a schematic perspective view of a radio frequency coaxial line provided in an embodiment of the present disclosure;

fig. 2 is a schematic cross-sectional structural diagram of a radio frequency coaxial line provided in an embodiment of the present disclosure;

fig. 3 is a schematic perspective view of a line-end housing in a radio-frequency coaxial line provided by an embodiment of the present disclosure;

fig. 4 is a schematic perspective view of an insulator in a radio frequency coaxial line provided by an embodiment of the present disclosure;

fig. 5 is a schematic perspective view of a connector in a radio frequency coaxial line provided by an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of the radio frequency coaxial line provided by the embodiment of the present disclosure when the radio frequency coaxial line is mounted on a PCB board.

Description of the reference numerals

1-a wire end housing; 10-a containment space; 11-a first end portion; 12-a second end; 13-limiting opening; 14-a limiting surface; 15-a guiding surface; 2-an insulator; 21-mounting grooves; 210-notches; 211-bottom slot wall; 212-side slot wall; 22-a stop projection; 23-elastic separation stop blocks; 3-a connector; 31-a bending part; 32-contact pins; 4-connecting wires; 5-wire end cap; 51-a cover plate portion; 52-a connecting part; 100-a PCB board; 101-a contact surface; 102-connecting hole.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, the use of directional terms such as "inner and outer" means "inner and outer" with respect to the corresponding profile of the component itself, unless otherwise specified. In addition, the terms "first," "second," and the like, as used herein, are intended to distinguish one element from another, and are not necessarily sequential or significant. Moreover, in the following description, when referring to the figures, the same reference numbers in different figures denote the same or similar elements. The foregoing definitions are provided to illustrate and describe the present disclosure only and should not be construed to limit the present disclosure.

According to the embodiment of the present disclosure, referring to fig. 1 to 6, there is provided a radio frequency coaxial line, including a line end housing 1, an insulator 2, a connector 3, a connection line 4 and a line end cap 5, wherein the line end housing 1 is cylindrical and is provided with an accommodating space 10 and a limiting portion communicated with the accommodating space 10, the insulator 2 is located in the accommodating space 10 and is provided with a mounting portion, the connector 3 is mounted and limited on the mounting portion, and the connecting member 3 is partially protruded from the insulating member 2 for signal connection with the PCB 100, the connecting wire 4 is electrically connected with the connecting member 3 and is limited by the limiting portion, so that the connection wire 4 is electrically connected with the wire end housing 1, the wire end housing 1 has a first end portion 11 and a second end portion 12 which are oppositely arranged, the first end portion 11 is used for being connected with the PCB board 100 in a grounding mode, and the second end portion 12 is fixedly connected with the wire end cover 5.

Through the technical scheme, the radio frequency coaxial line provided by the disclosure separates the connector 3 from the line terminal housing 1 through the insulator 2 to prevent the short circuit caused by the contact of the connector 3 and the line terminal housing 1, the connector 3 is mounted on the mounting part of the insulator 2 and limited by the mounting part to reliably limit the connector 3 in the mounting part, and when the connector 3 is mounted on the insulator 2, part of the connector 3 extends out of the insulator 2 to be in signal connection with the PCB board 100 to realize signal transmission, the first end part 11 of the line terminal housing 1 is used for being in ground connection with the PCB board 100, the second end part 12 of the line terminal housing 1 is used for being fixedly connected with the line terminal cover 5 to close the second end part 12 of the line terminal housing 1 through the line terminal cover 5, thereby realizing electromagnetic shielding. In this way, the radio frequency coaxial line provided by the present disclosure can be more miniaturized and low-profile, when the radio frequency coaxial line provided by the present disclosure is connected to the PCB 100 in the electronic device, the first end portion 11 of the line end housing 1 is connected to the PCB 100 in a ground connection manner, and the connecting member 3 partially extends out of the insulating member 2 to be connected to the PCB 100 in a signal connection manner, thereby realizing signal transmission. Therefore, compared with the traditional scheme, the radio-frequency coaxial line provided by the disclosure has the advantages that the board end is omitted, and the radio-frequency coaxial line is connected with the PCB 100 in the electronic equipment, so that the height of the radio-frequency coaxial line after being matched with the electronic equipment can be reduced, and the structural design space of the electronic equipment is optimized. In addition, the material is saved in industrial production, and the plate end processing and manufacturing can be omitted, so that the cost can be reduced.

In the particular embodiments provided by the present disclosure, the line end housing 1 may be constructed in any suitable manner. Referring to fig. 3, in order to facilitate the attachment of the connector 3 to the insulator 2, the wire end housing 1 is provided with a limit opening 13, the limit opening 13 penetrating through a side wall of the wire end housing 1 and extending in an axial direction of the wire end housing 1, so that the connection wire 4 connected to the connector 3 is not obstructed by the wire end housing 1 and the connector 3 cannot be attached to the insulator 2. Wherein the side wall of the limit opening 13 extends obliquely inward toward the first end portion 11 to form a limit surface 14, the limit surface 14 is in contact with the connecting wire 4 and serves as a limit portion, and the connecting wire 4 is supported and limited by the two limit surfaces 14 to stop the movement of the connecting wire 4 toward the first end portion 11. When the connecting element 3 is mounted on the insulating element 2, the connecting element 3 is inserted together with the connecting wire 4 into the insulating element 2 in the direction from the second end 12 to the first end 11, in the process of which the connecting wire 4 passes through the limiting opening 13 and is stopped by the limiting surface 14 in order to prevent the connecting wire 4 from further moving toward the first end 11.

In the specific embodiment provided in the present disclosure, in order to facilitate the entry of the connection wire 4 into the limit opening 13, referring to fig. 3, the side wall of the limit opening 13 extends obliquely outward toward the second end portion 12 to form a guide surface 15, and the guide surface 15 is used to guide the entry of the connection wire 4 into the limit opening 13.

In the specific embodiment provided in the present disclosure, referring to fig. 4, the insulating member 2 may be a column shape, the mounting portion is configured as a mounting groove 21, the mounting groove 21 extends inward in a radial direction of the insulating member 2 and penetrates the insulating member 2, that is, the mounting groove 21 penetrates an axial direction of the insulating member 2 and has a depth in the radial direction of the insulating member 2, wherein, in order to prevent the connecting member 3 from escaping from the mounting groove 21, an end of the mounting groove 21 toward the first end portion 11 is provided with a stopping protrusion 22, and the stopping protrusion 22 is used for stopping the movement of the connecting member 3 toward the first end portion 11 to reliably mount the connecting member 3 in the mounting groove 21.

In the specific embodiment provided by the present disclosure, referring to fig. 4, the mounting groove 21 has two side groove walls 212 oppositely disposed, the side groove walls 212 are each provided with a stopping protrusion 22, the stopping protrusion 22 extends from the side groove wall 212 inward along the radial direction of the insulating member 2, two sides of the connecting member 3 are respectively stopped by the two stopping protrusions 22, and the two stopping protrusions 22 are spaced apart from each other to allow the connecting member 3 to pass through between the two stopping protrusions 22, so that the connecting member 3 protrudes from the mounting groove 21 for signal connection with the PCB board 100.

In the embodiment provided by the present disclosure, in order to separate the connecting member 3 from the wire end cover 5, an end of the mounting groove 21 facing the second end portion 12 is provided with an elastic separation stopper 23, the elastic separation stopper 23 is connected to a bottom groove wall 211 of the mounting groove 21 and has a rest state in which the elastic separation stopper 23 is moved out of the groove opening 210 of the mounting groove 21 so that the connecting member 3 can be mounted to the mounting groove 21 and an assembly state in which the elastic separation stopper 23 is located between the connecting member 3 and the wire end cover 5, as shown in fig. 4, in which the elastic separation stopper 23 extends in a radial direction of the insulating member 2 to separate the connecting member 3 from the wire end cover 5 to prevent the connecting member 3 from contacting the wire end cover 5 to cause a short circuit. In the present disclosure, the line terminal housing 1 and the line terminal cover 5 are both metal members, the insulating member 2 is a plastic member, and the connecting member 3 can be insulated and separated from the line terminal housing 1 and the line terminal cover 5 by the insulating member 2, so that short circuit can be prevented. Furthermore, the insulator 2 can be inserted directly into the line terminal housing 1 without further connecting structures, in which case the insulator 2 can be mounted reliably in the receiving space 10 of the line terminal housing 1 without further connecting structures between the insulator 2 and the line terminal housing 1, since the connection line 4 is stopped by the stop face 14 on the line terminal housing 1 and the connection piece 3 is stopped by the stop projection 22 in the insulator 2. In other embodiments, the insulating member 2 and the line terminal housing 1 may be further connected together through a clamping structure, the clamping structure includes a clamping block and a clamping groove that are matched with each other, one of the clamping block and the clamping groove is disposed on the insulating member 2, and the other of the clamping block and the clamping groove is disposed on the line terminal housing 1, so that the connection reliability between the insulating member 2 and the line terminal housing 1 is further improved.

In the particular embodiments provided by the present disclosure, the connector 3 may be configured in any suitable manner. Alternatively, referring to fig. 5, the connector 3 may include a body, and a bent portion 31 and a contact leg 32 connected to both ends of the body, the bent portion 31 being bent from the body to be formed in an arc-shaped structure, and an end of the connection line 4 being received in the bent portion 31 and electrically connected to the bent portion 31, wherein the number of the contact legs 32 is two, and two contact legs 32 are spaced apart in a width direction of the body for signal connection with the PCB board 100. When the connector 3 is connected to the PCB 100, the two contact pins 32 of the connector 3 are respectively in contact with the hole walls of the connection holes 102 (described below) formed in the PCB 100, thereby achieving signal connection with the PCB 100. The connecting wire 4 is fixed with the bending part 31 of the connecting member 3 by welding, so as to electrically connect the connecting wire 4 and the connecting member 3.

In the specific embodiments provided by the present disclosure, the wire end cap 5 may be configured in any suitable manner. Alternatively, referring to fig. 2, the wire end cover 5 may include a cover plate portion 51 and a connecting portion 52 connected to an edge of the cover plate portion 51, the connecting portion 52 being used for the wire end housing 1 to be fixedly connected. The connecting portion 52 may be fixedly connected to the line end housing 1 by any suitable means, such as welding, clamping, screwing, and the like, which is not limited in this disclosure.

On the basis of the technical scheme, the electronic equipment comprises the PCB 100 and the radio-frequency coaxial line, and the radio-frequency coaxial line is connected with the PCB 100 so as to reduce the height of the radio-frequency coaxial line after being matched with the electronic equipment and optimize the structural design space of the electronic equipment.

In the specific embodiment provided by the present disclosure, referring to fig. 6, the PCB board 100 is provided with a board end contact socket having a contact surface 101 and a connection hole 102, when the radio frequency coaxial line is connected with the PCB board 100, the line end housing 1 is in contact with the contact surface 101 for ground connection, and the connection member 3 is extended into the connection hole 102 and is in contact with a hole wall of the connection hole 102 for signal connection.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. The radio-frequency coaxial line is characterized by comprising a line end shell (1), an insulating piece (2), a connecting piece (3), a connecting line (4) and a line end cover (5), wherein the line end shell (1) is cylindrical and is provided with an accommodating space (10) and a limiting part communicated with the accommodating space (10), the insulating piece (2) is positioned in the accommodating space (10) and is provided with an installation part, the connecting piece (3) is installed and limited on the installation part, part of the connecting piece (3) extends out of the insulating piece (2) to be in signal connection with a PCB (100), the connecting line (4) is electrically connected with the connecting piece (3) and is limited by the limiting part, so that the connecting line (4) is in conductive connection with the line end shell (1), and the line end shell (1) is provided with a first end part (11) and a second end part (12) which are arranged oppositely, the first end portion (11) is used for being connected with the PCB (100) in a grounding mode, and the second end portion (12) is fixedly connected with the wire end cover (5).

2. The radio frequency coaxial line according to claim 1, characterized in that the line end housing (1) is provided with a limit opening (13), the limit opening (13) penetrating through a side wall of the line end housing (1) and extending in an axial direction of the line end housing (1), the side wall of the limit opening (13) extending obliquely inward toward the first end portion (11) to form a limit surface (14), the limit surface (14) being in contact with the connection line (4) and serving as the limit portion to stop the movement of the connection line (4) toward the first end portion (11).

3. The radio frequency coaxial line according to claim 2, characterized in that the side walls of the limiting opening (13) extend obliquely outwards towards the second end portion (12) to form a guiding surface (15), which guiding surface (15) is used for guiding the connection line (4) into the limiting opening (13).

4. The radio frequency coaxial cable according to claim 1, wherein the insulator (2) is cylindrical, the mounting portion is configured as a mounting groove (21), the mounting groove (21) extends radially inward of the insulator (2) and penetrates through the insulator (2), and an end of the mounting groove (21) facing the first end portion (11) is provided with a stop protrusion (22), and the stop protrusion (22) is used for stopping the movement of the connector (3) facing the first end portion (11).

5. The radio frequency coaxial line according to claim 4, wherein the mounting groove (21) has two opposite side groove walls (212), the side groove walls (212) are both provided with the stopping protrusions (22), the stopping protrusions (22) extend from the side groove walls (212) inwards in the radial direction of the insulating member (2), and the two stopping protrusions (22) are arranged at intervals for the connecting member (3) to protrude from the mounting groove (21).

6. The radio frequency coaxial cable according to claim 4, wherein the end of the mounting groove (21) facing the second end (12) is provided with an elastic separation stop (23), the elastic separation stop (23) being connected to a bottom groove wall (211) of the mounting groove (21) and having a rest state in which the elastic separation stop (23) is clear of a notch (210) of the mounting groove (21) and an assembly state in which the elastic separation stop (23) is located between the connector (3) and the cable end cap (5).

7. The radio frequency coaxial line according to claim 1, wherein the connector (3) comprises a body, and a bending part (31) and a contact pin (32) connected to two ends of the body, the bending part (31) is bent from the body to form an arc-shaped structure, an end of the connection line (4) is accommodated in the bending part (31) and electrically connected to the bending part (31), the number of the contact pins (32) is two, and the two contact pins (32) are spaced apart along the width direction of the body for signal connection with the PCB board (100).

8. The radio frequency coaxial line according to claim 1, wherein the line end cap (5) comprises a cover plate portion (51) and a connecting portion (52) connected to an edge of the cover plate portion (51), the connecting portion (52) being used for the line end housing (1) to be fixedly connected.

9. An electronic device comprising a PCB board (100), characterized in that the electronic device further comprises a radio frequency coaxial line according to any one of claims 1-8, which radio frequency coaxial line is connected with the PCB board (100).

10. The electronic device according to claim 9, wherein the PCB board (100) is provided with a board end contact socket having a contact face (101) and a connection hole (102), the terminal housing (1) is in contact with the contact face (101) for ground connection, and the connection member (3) protrudes into the connection hole (102) and is in contact with a hole wall of the connection hole (102) for signal connection.