CN210167556U

CN210167556U - Plug assembly

Info

Publication number: CN210167556U
Application number: CN201921109271.5U
Authority: CN
Inventors: 李政
Original assignee: Fugang Electronic Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Current assignee: Fugang Electronic Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-03-20
Anticipated expiration: 2029-07-15
Also published as: EP3767757A1

Abstract

The utility model discloses a plug assembly, which comprises a lower shell and an upper shell, wherein both sides of the lower shell are provided with lower side walls formed by upward protruding extension, and at least one lower embedded line part formed by upward protruding extension and two of the upper surface of the lower shell is arranged in the lower shell. The upper shell is arranged on the lower shell, both sides of the upper shell are provided with upper side walls formed by downward protruding, the upper side walls are arranged corresponding to the lower side walls, at least one upper embedded line part formed by downward protruding of the lower surface of the upper shell and inward protruding of the two upper side walls is arranged in the upper shell, and the upper embedded line part is arranged corresponding to the lower embedded line part. The utility model discloses plug subassembly borrows by down the rule portion reaches go up the setting of rule portion, make the several during the cable can direct gomphosis be fixed in electric connector, not only saved the process that need strip the insulating layer of external cable in the past, also can reduce the radiation loss of the outside loss of cable.

Description

Plug assembly

Technical Field

The present invention provides a plug assembly, and more particularly to a plug assembly with a function of reducing radiation loss caused by outward dissipation of a cable.

Background

The rear end of a previous four-channel Small Form-factor plug (QSFP) is connected with a plurality of external cables, the external cables are limited by QSFP space, an insulating layer outside the cables is required to be stripped to reduce the outer diameter of the cables before the cables are placed into a shell for assembly, and then the external cables are assembled in an upper shell and a lower shell for fixation after being integrated by a heat-shrinkable sleeve.

However, since the insulation layer on the outside of the cable is stripped, the copper foil layer is exposed to the outside, and thus the electromagnetic field in the cable is dissipated in the air or other medium to lose energy, i.e. radiation loss is increased, which not only reduces the transmission capability of the cable, but also causes interference to other devices if the energy is coupled to other devices.

Therefore, it is desirable to provide a plug assembly that reduces the radiation loss of the external cable from escaping to the outside of the device.

SUMMERY OF THE UTILITY MODEL

The present invention provides a plug assembly, and more particularly, to a plug assembly having a structure capable of reducing radiation loss caused by outward dissipation of a cable.

In order to achieve the above object, the utility model discloses a plug assembly, a serial communication port, including: the lower shell is provided with lower side walls which are formed by upwards protruding on two sides, the rear surface of the lower shell is provided with a lower rear wall which is formed by upwards protruding, the lower rear wall is provided with a lower external joint, the upper surface of the lower shell, the lower side walls and the lower rear wall enclose a containing space, and at least one lower embedded line part which is formed by upwards protruding on the upper surface of the lower shell and inwards protruding on the two lower side walls is arranged in the containing space; an upper shell arranged on the lower shell, wherein both sides of the upper shell are provided with upper side walls formed by downward protruding, the upper side wall is arranged corresponding to the lower side wall, the rear surface of the upper shell is provided with an upper rear wall which is formed by extending downwards, the upper back wall is arranged corresponding to the lower back wall, the upper back wall is provided with an upper external interface, the upper external interface is arranged corresponding to the lower external interface, and is combined with the lower external interface to form an external interface, the lower surface of the upper shell, the upper side wall and the upper rear wall enclose an upper accommodating space, the upper accommodating space is arranged corresponding to the lower accommodating space, and the upper accommodating space is internally provided with at least one upper embedded line part formed by the downward protrusion of the lower surface of the upper shell and the inward protrusion of the two upper side walls, and the upper embedded line part is arranged corresponding to the lower embedded line part.

As a further improvement, the lower external interface is provided with a lower embedded line part formed by inward protrusion, the upper external interface is provided with an upper embedded line part formed by inward protrusion, the upper embedded line part is arranged corresponding to the lower embedded line part, the plug assembly is further provided with a plurality of external cables matched with the plug assembly, the plurality of external cables are connected with the circuit board through external interfaces, the plurality of external cables are provided with four external cables, the peripheries of the four external cables are wrapped with heat-shrinkable sleeves, the four external cables are wrapped with the heat-shrinkable sleeves to form a square circle, the shape of the external interfaces is square circle, and the square circle external interfaces and the square circle cables can be tightly attached to the heat-shrinkable sleeves.

As a further improvement, the connector also comprises a plurality of external cables matched with the plug assembly, the external cables are connected with the circuit board through the external interfaces, the external interfaces comprise four circular openings, and the external interfaces and the cables can be tightly attached.

As a further improvement, the connector also comprises a plurality of external cables matched with the plug assembly, wherein the plurality of external cables are connected with the circuit board through the external interfaces, the plurality of external cables comprise eight external cables, the eight external cables are formed by arranging three, two and three cables from top to bottom in sequence, the external interfaces correspond to the eight external cables, the eight external cables are formed by arranging three round openings, two round openings and three round openings from top to bottom in sequence, and the external interfaces and the cables can be tightly attached.

As a further improvement, a lower opening is formed in the front surface of the lower housing, an upper opening is formed in the front surface of the upper housing, the upper opening is formed corresponding to the lower opening and combined with the lower opening to form an opening, the plug assembly further includes a circuit board disposed between the lower housing and the upper housing, and the front end of the circuit board is exposed out of the opening of the plug assembly.

As a further improvement, a plurality of lower fixing holes are formed in each of the two lower side walls, a plurality of upper fixing holes are formed in each of the two upper side walls, the plurality of upper fixing grooves are formed in the plurality of upper fixing holes and are communicated with each other, and a plurality of fixing members penetrate through the upper fixing grooves from the lower fixing holes to fix the lower housing and the upper housing to each other.

As a further improvement, the outer surfaces of the two lower side walls are provided with lower accommodating grooves which are formed by inward depression, the outer surfaces of the two upper side walls are provided with upper accommodating grooves which are formed by inward depression, the two upper accommodating grooves are arranged corresponding to the two lower accommodating grooves and form an accommodating groove with the lower accommodating grooves, the plug assembly is further provided with a locking piece, the locking piece is provided with an inverted U-shaped base part, the bottoms of the two ends of the base part extend forwards to form fixed arms, and the base part is connected with a pull ring. The base is arranged on the upper surface of the rear end of the upper shell, and the two fixing arms are respectively arranged in the two accommodating grooves.

As described above, the plug assembly of the present invention is characterized in that the plug assembly comprises a lower housing and an upper housing, wherein the lower housing is connected to the upper housing, the upper housing is connected to the lower housing, the lower housing is connected to the upper housing, the lower housing is connected to the lower housing, and the.

Drawings

Fig. 1 is a perspective view of a plug assembly according to a first embodiment of the present invention.

Fig. 2 is an exploded perspective view of a plug assembly according to a first embodiment of the present invention.

Fig. 3 is a perspective view of the lower housing of the plug assembly according to the first embodiment of the present invention.

Fig. 4 is a perspective view of the upper housing of the plug assembly according to the first embodiment of the present invention.

Fig. 5 is a perspective view of the plug assembly and the external cable assembly according to the first embodiment of the present invention.

FIG. 6 is a cross-sectional view taken along line VI-VI of FIG. 5.

FIG. 7 is a cross-sectional view taken along line VII-VII of FIG. 5.

FIG. 8 is a cross-sectional view taken along line VIII-VIII of FIG. 5.

Fig. 9 is a perspective view of the plug assembly and the external cable according to the first embodiment of the present invention before assembly.

Fig. 10 is a perspective view of a plug assembly according to a second embodiment of the present invention before being assembled with an external cable.

Fig. 11 is a perspective view of a plug assembly according to a third embodiment of the present invention before being assembled with an external cable.

The reference numerals in the drawings are explained below.

Lower housing 1 of plug assembly 100

Lower fixing groove 111 of lower side wall 11

Lower receiving groove 112 lower rear wall 12

Lower accommodating space 13 of lower external interface 121

Lower opening 15 of lower panel 14

Upper side wall 21 of upper casing 2

The upper fixing hole 211 and the upper receiving groove 212

The upper external interface 221 of the upper back wall 22

The accommodating space 23 on the external interface 2211

The wire-inserting part 24 of the accommodating space 231

Upper opening 25 opening 251

Unlocking piece 3 base 31

Fixed arm 32 pull ring 33

The circuit board 4 is externally connected with a cable 5

Heat shrink 51 holds 6.

Detailed Description

For the purpose of illustrating the technical content, the constructional features, the achieved objects and the effects of the invention in detail, reference is made to the following detailed description of the embodiments taken in conjunction with the accompanying drawings.

Referring to fig. 1, the plug assembly 100 of the present invention is a Quad small form-factor plug (QSFP) interface.

Referring to fig. 1 to 3, in the first embodiment of the present invention, the plug assembly 100 includes a lower housing 1, an upper housing 2, a locking member 3 and a circuit board 4. Both sides of the lower housing 1 are provided with lower sidewalls 11 protruding downward, the two lower sidewalls 11 are provided with a plurality of lower fixing holes 111, and the outer surfaces of the two lower sidewalls 11 are provided with lower receiving grooves 112 recessed inward. The rear surface of the lower housing 1 is provided with a lower rear wall 12 which protrudes downwards, and the lower rear wall 12 is provided with a lower external interface 121. The upper surface of the lower housing 1, the lower side wall 11 and the lower rear wall 12 enclose a lower accommodating space 13. The lower accommodating space 13 is provided therein with at least one lower embedded line portion 14 formed by the upper surface of the lower housing 1 protruding upward and the two lower side walls 11 protruding inward. In the present embodiment, there are three sets of the lower embedding portions 14, wherein two sets of the lower embedding portions 14 are arranged in front and back and are parallel to each other, and the lower external interface 121 also has the lower embedding portion 14 formed to protrude inward. The front surface of the lower housing 1 is opened with a lower opening 15.

Referring to fig. 1 and fig. 4, the upper housing 2 is mounted on the lower housing 1. Both sides of the upper housing 2 are provided with upper sidewalls 21 protruding downward, the upper sidewalls 21 are disposed corresponding to the lower sidewalls 11, the upper sidewalls 21 are both provided with a plurality of upper fixing holes 211, and the upper fixing holes 211 are disposed corresponding to the lower fixing holes 111 and are communicated with each other. The outer surfaces of the two upper side walls 21 are provided with upper receiving grooves 212 which are formed by being recessed inwards, and the two upper receiving grooves 212 are arranged corresponding to the two lower receiving grooves 112 and form a receiving groove with the lower receiving grooves 112. The rear surface of the upper housing 2 has an upper rear wall 22 extending downward, the upper rear wall 22 is disposed corresponding to the lower rear wall 12, the upper rear wall 22 is provided with an upper external interface 221, the upper external interface 221 is disposed corresponding to the lower external interface 121, and is combined with the lower external interface 121 to form an external interface 2211. The lower surface of the upper housing 2, the upper sidewall 21 and the upper rear wall 22 form an upper receiving space 23, and the upper receiving space 23 is disposed corresponding to the lower receiving space 13 and forms a receiving space 231 with the lower receiving space 13. The upper accommodating space 23 has at least one upper wire embedding portion 24 formed by the lower surface of the upper housing 2 protruding downward and the two upper side walls 21 protruding inward, and the upper wire embedding portion 24 is disposed corresponding to the lower wire embedding portion 14. In the embodiment, there are three sets of the upper wire embedding portions 24, two sets of the upper wire embedding portions 24 are arranged in front and back and are parallel to each other, the upper external interface 221 also has the upper wire embedding portions 24 formed by protruding inward, and each upper wire embedding portion 24 is disposed corresponding to each lower wire embedding portion 14. An upper opening 25 is formed on the front surface of the upper housing 2, the upper opening 25 is disposed corresponding to the lower opening 15, and forms an opening 251 with the lower opening 15.

Referring to fig. 2, the unlocking member 3 has an inverted U-shaped base 31, the bottom of each end of the base 31 extends forward to form a fixed arm 32, and a pull ring 33 is connected to the base 31. The base 31 is installed on the upper surface of the rear end of the upper housing 2, and the two fixing arms 32 are respectively installed in the two accommodating grooves.

When the plug assembly 100 of the present invention is assembled in an exchanger (not shown), the exchanger has a clamping portion (not shown) therein to fix the plug assembly 100 in the exchanger. When the plug assembly 100 of the present invention is withdrawn from the exchanger (not shown), the pull ring 33 is pulled backward, so that the two fixing arms 32 of the locking part 3 are extended outward to open the clamping portion of the exchanger, so that the plug assembly 100 is withdrawn outward.

Referring to fig. 1 and 2, the circuit board 4 is disposed between the lower housing 1 and the upper housing 2, and a rear end of the circuit board 4 is connected to the external cable 5. The front end of the circuit board 4 is exposed to the opening 261 of the plug assembly 100.

Referring to fig. 5 to 9, the shape of the external interface 2211 is corresponding to the number of the external cables 5, in this embodiment, there are four external cables 5, and a heat-shrinkable sleeve 51 is wrapped around the four external cables 5. The heat-shrinkable sleeve 51 covers the four external cables 5 to form a square circle, so in this embodiment, the external interface 2211 is shaped as a square circle. The external square interface 2211 and the cable 5 can be tightly attached to the heat shrinkable sleeve 51 to achieve complete sealing, so as to prevent the electromagnetic field in the cable 5 from dissipating outwards, and further avoid the radiation loss of the cable 5 from affecting other devices.

When the plug assembly 100 is assembled with the plurality of external cables 5, it is not necessary to strip the insulating layers of the plurality of external cables 5 first, and the lower housing 1 and the upper housing 2 directly clamp the plurality of external cables 5 from the bottom to the top, respectively, and the front portions of the plurality of external cables 5 are accommodated in the accommodating space 231. At this time, the lower inserting portion 14 and the upper inserting portion 24 are press-fitted into the outer jacket of the external cable 5, and the external connector 2211 is press-fitted into the heat shrinkable sleeve 51. And a plurality of fixing members 6 are inserted from the lower fixing holes 111 to the upper fixing holes 211 to fix the lower housing 1 and the upper housing 2 to each other. Thus, the external cable 5 is tightly fitted and fixed in the plug assembly 100 through the lower insertion line portion 14 and the upper insertion line portion 24.

Referring to fig. 10, a second embodiment of the present invention is substantially the same as the first embodiment, and the difference is the shape of the external interface 2211 and the matching of a plurality of cables 5. Only the differences will be described in detail below.

Referring to fig. 10, in the plug assembly 100 according to the second embodiment of the present invention, there are four cables 5, so in this embodiment, the external interface 2211 corresponds to the four cables 5 and is formed by four circular openings. The external interfaces 2211 can be tightly attached to the four cables 5 to achieve complete sealing, so that electromagnetic fields in the cables 5 are prevented from being dissipated outwards, and further radiation loss of the cables 5 is prevented from affecting other devices.

Referring to fig. 11, a third embodiment of the present invention is substantially the same as the first embodiment, and the difference is the shape of the external interface 2211 and the matching of a plurality of cables 5. Only the differences will be described in detail below.

Referring to fig. 11, in the plug assembly 100 of the third embodiment of the present invention, the plurality of cables 5 has eight cables 5, and the eight cables 5 are arranged in three, two, and three rows in sequence from top to bottom, so in this embodiment, the shape of the external interface 2211 corresponding to the eight cables 5 is formed by arranging three circular openings, two circular openings, and three circular openings in sequence from top to bottom. The external interfaces 2211 and the eight cables 5 can be tightly attached to achieve complete sealing, so that electromagnetic fields in the cables 7 are prevented from being dissipated outwards, and further radiation loss of the cables 5 is prevented from affecting other devices.

It should be noted that, the plug assembly 100 of the present invention is provided with the lower embedded line portion 14 and the upper embedded line portion 24 and the external interface 2211 is provided to make several the cable 5 can be directly embedded and fixed in the electrical connector 100, so as to not only save the procedure of stripping the insulating layer of the external cable 5, but also reduce the radiation loss of the outward dissipation of the cable 5.

Claims

1. A plug assembly, comprising: the lower shell is provided with lower side walls which are formed by upwards protruding on two sides, the rear surface of the lower shell is provided with a lower rear wall which is formed by upwards protruding, the lower rear wall is provided with a lower external joint, the upper surface of the lower shell, the lower side walls and the lower rear wall enclose a containing space, and at least one lower embedded line part which is formed by upwards protruding on the upper surface of the lower shell and inwards protruding on the two lower side walls is arranged in the containing space; an upper shell arranged on the lower shell, wherein both sides of the upper shell are provided with upper side walls formed by downward protruding, the upper side wall is arranged corresponding to the lower side wall, the rear surface of the upper shell is provided with an upper rear wall which is formed by extending downwards, the upper back wall is arranged corresponding to the lower back wall, the upper back wall is provided with an upper external interface, the upper external interface is arranged corresponding to the lower external interface, and is combined with the lower external interface to form an external interface, the lower surface of the upper shell, the upper side wall and the upper rear wall enclose an upper accommodating space, the upper accommodating space is arranged corresponding to the lower accommodating space, and the upper accommodating space is internally provided with at least one upper embedded line part formed by the downward protrusion of the lower surface of the upper shell and the inward protrusion of the two upper side walls, and the upper embedded line part is arranged corresponding to the lower embedded line part.

2. The plug assembly of claim 1, wherein: the lower external interface is provided with a lower embedded line part formed by inward protrusion, the upper external interface is provided with an upper embedded line part formed by inward protrusion, the upper embedded line part is arranged corresponding to the lower embedded line part, the plug assembly is also provided with a plurality of external cables matched with the plug assembly, the external cables are connected with a circuit board through external interfaces, the external cables are provided with four external cables, the periphery of the four external cables is wrapped with a heat-shrinkable sleeve, the heat-shrinkable sleeve is wrapped with four external cables to form a square circle, the shape of the external interfaces is a square circle, and the external interfaces and the square circle can be tightly attached to the heat-shrinkable sleeve.

3. The plug assembly of claim 1, wherein: the plug is characterized by further comprising a plurality of external cables matched with the plug assembly, the external cables are connected with the circuit board through the external interfaces, the external cables are provided with four external cables, each external interface consists of four circular openings, and the external interfaces and the cables can be tightly attached.

4. The plug assembly of claim 1, wherein: still have one with plug subassembly complex several external cable, the several external cable passes through the external interface is connected with the circuit board, the several external cable has eight, eight the cable is by last to be three according to the preface, two and three arrangement form constitutes, the external interface corresponds eight the shape of cable is by last to be three round mouth, two round mouths and three round mouth's arrangement form according to the preface down and constitutes, the external interface with the cable can closely laminate.

5. The plug assembly of claim 1, wherein: the front surface of the lower shell is provided with a lower opening, the front surface of the upper shell is provided with an upper opening, the upper opening is arranged corresponding to the lower opening and combined with the lower opening to form an opening, the plug assembly is also provided with a circuit board which is arranged between the lower shell and the upper shell, and the front end of the circuit board is exposed out of the opening of the plug assembly.

6. The plug assembly of claim 1, wherein: the two lower side walls are provided with a plurality of lower fixing holes, the two upper side walls are provided with a plurality of upper fixing holes, the plurality of upper fixing grooves are respectively arranged corresponding to the plurality of lower fixing holes and are communicated with each other, and a plurality of fixing pieces penetrate through the upper fixing grooves from the lower fixing holes to fix the lower shell and the upper shell mutually.

7. The plug assembly of claim 1, wherein: the outer surface of the two lower side walls is provided with a lower accommodating groove which is formed by inwards sinking, the outer surface of the two upper side walls is provided with an upper accommodating groove which is formed by inwards sinking, the two upper accommodating grooves are arranged corresponding to the two lower accommodating grooves and form an accommodating groove with the lower accommodating groove, the plug assembly is further provided with a locking piece, the locking piece is provided with an inverted U-shaped base part, the bottoms of the two ends of the base part extend forwards to form fixed arms, the base part is connected with a pull ring, the base part is arranged on the upper surface of the rear end of the upper shell, and the two fixed arms are respectively arranged in the two accommodating grooves.