CN106257759B

CN106257759B - Cable assembly with improved cable retention

Info

Publication number: CN106257759B
Application number: CN201610086923.2A
Authority: CN
Inventors: 樊晓; 周志勇; 陈钧; 吴荣发
Original assignee: Foxconn Interconnect Technology Ltd
Current assignee: Foxconn Interconnect Technology Ltd
Priority date: 2015-06-18
Filing date: 2016-02-16
Publication date: 2020-02-21
Anticipated expiration: 2036-02-16
Also published as: CN106257759A; CN106257758A; CN106257758B

Abstract

The invention discloses a cable connector assembly, which comprises: the light guide piece is accommodated in the shell body, at least part, the circuit board is accommodated in the shell body, and the light emitting element is installed on the circuit board, the shell body comprises a plurality of side walls and an accommodating cavity which is formed by surrounding the side walls, the circuit board is accommodated in the accommodating cavity, and the shell body is provided with an accommodating hole which penetrates through one side wall and is communicated to the accommodating cavity. The light guide piece comprises a fixing portion, a light guide column and a glue overflow groove, wherein the light guide column extends outwards along the fixing portion and is inserted into the accommodating hole, the glue overflow groove is formed by inwards recessing the fixing portion, and the fixing portion is adhered to the side wall provided with the accommodating hole through glue. Through setting up and overflowing gluey groove, can prevent that glue from overflowing to the leaded light post when gluing, influencing luminous effect.

Description

Cable assembly with improved cable retention

[ technical field ] A method for producing a semiconductor device

The present invention relates to a cable assembly, and more particularly, to a cable assembly with an overflow prevention function.

[ background of the invention ]

Chinese utility model patent No. CN202564673, granted and announced at 11/28/2012, discloses a cable connector assembly, which includes an insulating housing, a printed circuit board assembly provided with light emitting diodes, and a light guide member mounted on the insulating housing. The light guide piece comprises a main body part, a light guide column protruding upwards from the main body part, and a groove for accommodating the light emitting diode.

Because the light guide part of the cable connector assembly is not provided with the glue overflow groove, glue can overflow to the light guide column in the gluing process, and the light emitting effect is influenced.

[ summary of the invention ]

The technical problem to be solved by the present invention is to provide a cable connector assembly, which does not affect the light emitting effect of the light guide post after the dispensing overflows.

In order to solve the technical problems, the invention can adopt the following technical scheme: a cable connector assembly, comprising: the light guide piece is accommodated in the shell body, at least part, the circuit board is accommodated in the shell body, and the light emitting element is installed on the circuit board, the shell body comprises a plurality of side walls and an accommodating cavity which is formed by surrounding the side walls, the circuit board is accommodated in the accommodating cavity, and the shell body is provided with an accommodating hole which penetrates through one side wall and is communicated to the accommodating cavity. The light guide piece comprises a fixing portion, a light guide column and a glue overflow groove, wherein the light guide column extends outwards along the fixing portion and is inserted into the accommodating hole, the glue overflow groove is formed by inwards recessing the fixing portion, and the fixing portion is adhered to the side wall provided with the accommodating hole through glue.

Compared with the prior art, the invention has the advantages that: the light guide piece in the cable connector assembly is provided with the glue overflow groove, so that the light-emitting effect is prevented from being influenced by glue overflowing onto the light guide column during glue dispensing.

[ description of the drawings ]

Fig. 1 is a perspective view of a cable connector assembly according to the present invention.

Fig. 2 is a partially exploded view of the cable connector assembly shown in fig. 1.

Fig. 3 is a partially exploded view from another perspective of the cable connector assembly shown in fig. 2.

Fig. 4 is an exploded view of the cable connector assembly shown in fig. 1.

Fig. 5 is an exploded view from another perspective of the cable connector assembly shown in fig. 4.

Fig. 6 is a perspective view of the cable connector assembly shown in fig. 1 with the outer housing and the upper metal housing removed.

Fig. 7 is a top view of the cable connector assembly shown in fig. 6 with the outer housing and the upper metal housing removed.

Fig. 8 is a perspective view of a light guide.

FIG. 9 is a perspective view of another perspective of a light guide.

Fig. 10 is a sectional view taken along a-a in fig. 1.

Fig. 11 is a sectional view taken along the direction B-B in fig. 1.

Fig. 12 is a sectional view taken along the direction C-C in fig. 1.

[ description of main element symbols ]

Cable assembly with improved cable retention	100	Butt joint	10
				Insulating body	11	Groove	110
Conductive terminal	12	Weld part	120
				Lock fastener	13	Metal shell	14
Cable with a flexible connection	20	Stress relief member	30
				Mating part	31	Narrow slot	310
Annular part	32	Outer casing	40
				First shell	41	Locating hole	410
Side surface	411	Open face	412
				Notched noodles	413	Groove	414
Convex rib	415	Containing hole	416
				First inclined plane	417	First vertical part	418
Containing cavity	419	Second shell	42
				Positioning column	420	Flat plate part	421
Notch part	422	Convex rib	423
				Weld zone	424	Mounting through hole	425
Second inclined plane	426	Second vertical part	427
				Circuit board assembly	50	Circuit board	51
Conductive gasket	510	Welding gasket	511
				Light emitting element	52	Metal shell	60
Lower metal shell	61	Buckle spring plate	610
				Upper metal shell	62	Digging hole	620
Light hole	621	Light guide member	70
				Fixing part	71	First boss part	711
Glue dispensing surface	7111	Parallel portion	7112
				Intermediate section	7113	Second boss part	712
Top side surface	713	Bottom side surface	714
				Glue overflow groove	72	Light guide column	73
Interference rib	731

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

[ detailed description ] embodiments

As shown in fig. 1-12, the cable connector assembly 100 of the present invention includes a mating connector 10 for mating with a mating connector, a cable 20 electrically connected to the mating connector 10, a stress relief member 30 disposed outside the cable 20, and an outer housing 40 disposed outside the mating connector 10 and the stress relief member 30. The cable connector assembly 100 further includes a circuit board assembly 50 electrically connecting the cable 20 and the docking head 10, a metal shell 60 disposed between the docking head 10 and the outer shell 40, and a light guide 70 disposed between the metal shell 60 and the outer shell 40.

In this embodiment, the docking head 10 conforms to the USB2.0 Micro-B standard, but may be other standard or non-standard docking heads. The butt joint 10 includes an insulating body 11, a plurality of conductive terminals 12 fixed in the insulating body 11, a locking member 13 fixed in the insulating body 11 and disposed at two sides of the conductive terminals 12, and a metal shell 14 disposed outside the insulating body 11, wherein the locking member 13 protrudes out of the metal shell 14. The rear side of the insulating body 11 is provided with a pair of grooves 110. The conductive terminal 12 includes a soldering portion 120 extending beyond the rear end of the insulative housing 11.

The strain relief member 30 includes a fitting portion 31 fitted to the outer case 40 and an annular portion 32 connected to the fitting portion 31. The fitting portion 31 has a rectangular cross section. The upper and lower surfaces of the engaging portion 31 are provided with a pair of slots 310, and the upper and lower slots 310 are arranged in a staggered manner.

The outer housing 40 includes a first housing 41 and a second housing 42 engaged with the first housing 41. The first housing 41 is provided with a pair of positioning holes 410, and the second housing 42 is provided with positioning posts 420 engaged with the positioning holes 410. The first housing 41 and the second housing 42 are engaged with the engaging portion 31. The first housing 41 includes four side surfaces (side walls) 411, an opening surface 412, and a notch surface 413. A groove 414 is formed inside the lower side surface (sidewall) 411. The sides (side walls) 411 above and below are provided with ribs 415 on the inner side thereof to be engaged with the slots 310 of the engaging portion 31. The side surface (sidewall) 411 positioned above is provided with a receiving hole 416, and the light guide pole 73 is exposed out of the outer case 40 through the receiving hole 416. The notch of the notch surface 413 is U-shaped. The second case 42 includes a flat plate portion 421 covering the opening surface 412 of the first case 41, a notch portion 422 extending perpendicularly from one end of the flat plate portion 421, and a rib 423 extending perpendicularly from the flat plate portion 421 to the flat plate portion. The notch 422 has a U-shape. The rib 423 engages the slot 310 on the engagement portion 31. The length of the rib 423 extending in a direction perpendicular to the flat plate portion 421 is smaller than the length of the notch portion 422 extending in the direction. So that the outer housing 40 has sufficient retention with the strain relief 30. The inner side of the flat plate portion 421 of the second casing 42 is provided with a plurality of welding areas 424 which are arranged discontinuously, and the second casing 42 and the first casing 41 are heated and welded together after being matched. No gap is ensured between the first shell 41 and the second shell 42, and the product appearance is improved. The notch 422 and the notch surface 413 cooperate to close the outside of the annular portion 32 of the strain relief 30. The plate portion 421 has a mounting through hole 425 for allowing the mating connector 10 to extend to mate with a mating connector. The first housing 41 is provided with a first inwardly extending ramp 417 and the second housing 42 is provided with a second inwardly extending ramp 426, said first ramp 417 cooperating with the second ramp 426. The first inclined surface 417 has a first upright portion 418 extending in the mating direction at an end thereof, and the second inclined surface 426 has a second upright portion 427 extending in the mating direction at an end thereof, wherein the first upright portion 418 is engaged with the second upright portion 427. According to the invention, the first inclined plane 417 and the second inclined plane 426 are matched, so that the two shells are more compact, the mutual matching gap is reduced, the appearance is beautified, and the product quality is improved.

The circuit board assembly 50 includes a circuit board 51 and a light emitting element 52 mounted on the circuit board 51. The light emitting element 52 faces the light guide post 73, and the light emitted from the light emitting element 52 is transmitted to the outside of the outer case 40 through the light guide member 70 to allow the user to observe the state. The circuit board 51 is received in the groove 110 and soldered to the soldering portion 120 of the conductive terminal 12. The circuit board 51 includes conductive pads 510 soldered to the cable 20 and solder pads 511 soldered to the metal shell 14 and the metal shell 60 of the docking head 10 for grounding.

The metal shell 60 includes a lower metal shell 61 and an upper metal shell 62 snap-fitted to the lower metal shell 61. The lower metal shell 61 is provided with a snap spring 610 extending outwards in an oblique direction, and the snap spring 610 is in snap fit with the groove 414 of the first shell 41, so that the metal shell 60 can be well fixed. The upper metal shell 62 is provided with a cutout 620 near the position where the cable 20 is welded to the conductive pad 510 on the circuit board 51 so as to prevent the welding spot where the cable 20 is welded to the conductive pad 510 on the circuit board 51 from being too large to be shorted with the metal shell 60. The light guide member 70 is located above the metal casing 60, and the circuit board 51 and the light emitting element 52 are accommodated in the metal casing 60. The upper metal case 62 is provided with a light-transmitting hole 621 so that light emitted from the light emitting element 52 can pass through the upper metal case 62. The light hole 621 faces the light guide pillar 73, and the diameter of the light hole 621 is larger than that of the light guide pillar 73.

The light guide member 70 includes a fixing portion 71, a light guide pillar 73 extending outward along the fixing portion 71 and inserted into the receiving hole 416, and a glue overflow groove 72 formed by recessing inward along the fixing portion 71, wherein the glue overflow groove 72 is adhered to a side surface (sidewall) 411 provided with the receiving hole 416 by glue. The glue overflow groove 72 is concave, so that glue is prevented from overflowing onto the light guide column 73 to affect the light emitting effect during glue dispensing. The fixing portion 71 includes a first boss portion 711 and a second boss portion 712 partitioned by the glue overflow groove 72, and the first boss portion 711 is U-shaped. The fixing portion 71 includes a top side 713 and an oppositely disposed bottom side 714, the bottom side 714 is opposed to the light emitting element 52, and the first and

second boss portions

711 and 712 are disposed on the top side 713. The first boss part 711 includes a plurality of dispensing surfaces 7111 formed by inward concave, and the depth of the inward concave dispensing surface 7111 is smaller than the depth of the inward concave dispensing groove 72. By adopting the concave structure of the dispensing face 7111, the dispensing holding can be increased, and the problem of uneven contact plane caused by dispensing curing assembly can be prevented. The first boss part 711 includes two parallel portions 7112 parallel to each other and a middle portion 7113 connecting the two parallel portions, the first boss part 711 is provided with three dispensing surfaces 7111, and the three dispensing surfaces 7111 are respectively disposed on the two parallel portions 7112 and the middle portion 7113. The light guide pillar 73 is disposed on the second boss portion 712, and the light guide pillar has three interference ribs 731 for engaging with the light guide pillar, so as to increase the holding force with the outer housing. The interference ribs 731 are disposed corresponding to the three dispensing faces 7111, respectively.

The first shell 41 and the second shell 42 of the cable connector assembly 100 of the present invention are engaged with the engaging portion 31 of the strain relief 30, so that the connection between the outer shell 40 and the cable 20 is stable.

Claims

1. A cable connector assembly, comprising: the shell body, at least part accept leaded light spare in the shell body, accept the circuit board in the shell body and install the light emitting component on the circuit board, the shell body includes a plurality of lateral walls and the chamber of acceping that encloses by a plurality of lateral walls, the circuit board is acceptd in acceping the intracavity, the shell body is equipped with and runs through a lateral wall and communicates to the accepting hole of acceping the chamber, its characterized in that: the light guide part comprises a fixing part, a light guide column and an adhesive overflow groove, the light guide column is inserted into the accommodating hole along the outward extension of the fixing part, the adhesive overflow groove is formed along the inward recess of the fixing part, the fixing part is adhered to the side wall provided with the accommodating hole through glue, the fixing part comprises a first boss part and a second boss part, the first boss part is formed by separating the adhesive overflow groove, and the first boss part is in a U shape.

2. The cable connector assembly of claim 1, wherein: the glue overflow groove is concave.

3. The cable connector assembly of claim 1, wherein: the fixing part comprises a top side surface and a bottom side surface arranged oppositely, the bottom side surface is opposite to the light emitting element, and the first boss part and the second boss part are arranged on the top side surface.

4. The cable connector assembly of claim 1, wherein: the first boss part further comprises a plurality of dispensing surfaces formed by inwards sinking, and the depth of the inwards sinking of the dispensing surfaces is smaller than that of the inwards sinking of the glue overflowing grooves.

5. The cable connector assembly of claim 4, wherein: the first boss part comprises two parallel parts which are parallel to each other and a middle part which is connected with the two parallel parts, the first boss part is provided with three dispensing surfaces, and the three dispensing surfaces are respectively arranged on the two parallel parts and the middle part.

6. The cable connector assembly of claim 1, wherein: the light guide column is arranged on the second boss portion and provided with a plurality of interference ribs used for being in interference fit with the outer shell.

7. The cable connector assembly of claim 6, wherein: the light guide column is provided with three interference ribs which are respectively arranged corresponding to the three dispensing surfaces.

8. The cable connector assembly of claim 1, wherein: the light emitting element faces the light guide column.

9. The cable connector assembly of claim 1, wherein: the cable connector assembly further comprises a metal shell accommodated in the outer shell, the light guide piece is positioned above the metal shell, and the circuit board and the light-emitting element are accommodated in the metal shell.