TWI488376B - Electrical connector - Google Patents

Description

Electrical connector

The invention is an electrical connector formed by an insulating body molding a joint of a lower iron shell.

It is known that the thermal expansion coefficient of the housing and the insulating body of the electrical connector are different, so that the insulating body may be warped at different ambient temperatures, and the housing is separated from the insulating body.

Alternatively, when the electrical connector is plugged into another electrical connector (such as a cable or an electrical connector), improper insertion and removal may cause the housing to be loosened from the insulating body, thereby affecting the electrical connection of the electrical connector.

The main object of the present invention is to provide an electrical connector comprising a lower iron shell and an insulative housing, the lower iron shell having an upper surface, a lower surface and a plurality of coupling members, wherein the coupling members are formed thereon The surface of the insulating system has a body portion, a molding portion, two side portions respectively located on the two sides of the body portion, and a socket groove between the body portion, the molding portion and the side portions. The mold sealing portion covers the upper surface of the lower iron shell and is molded to cover the joint members. Since the insulating system encapsulates the bonding members, the bonding members of the lower iron casing are tightly wrapped in the insulating body, so that the lower iron casing is not easily separated from the insulating body, and the lower iron shell can be improved. The bonding strength with the insulating body.

Referring to FIGS. 1 and 2, which are a first preferred embodiment of the present invention, an electrical connector A includes an upper iron case 100, a lower iron case 200, and a Insulating body 300, the electrical connector is provided for a row of wires 10. Referring to FIG. 2, one of the plug terminals 10a protrudes from the insulative housing 300 to facilitate electrical connection of another electrical connector.

Referring to FIG. 3, the lower iron shell 200 has an upper surface 210, a lower surface 220, and a plurality of joint members 231, 232, 233, 234, and 235. The joint members 231, 232, 233, 234, and 235 are attached. Formed on the upper surface 210, the coupling members 231, 232, 233, 234, 235 may be protruding plates protruding from the upper surface 210, or the coupling members 231, 232, 233, 234, 235 may also be A slot for connecting the upper surface 210 and the lower surface 220.

Referring to FIG. 3 , in the embodiment, the lower iron shell 200 has a plurality of fastening slots 240 extending through the upper surface 210 and the lower surface 220 , and the coupling members 231 are protruded therefrom. The protruding plate of the surface 210 has a first surface 231a, a second surface 231b opposite to the first surface 231a, and a third surface connecting the first surface 231a and the second surface 231b. 231c and a fourth surface 231d, a fifth surface 231e, a connecting end 231f and a free end 231g of the third surface 231c, wherein the connecting end 231f is connected to the groove wall of each of the fixing slots 240, The free end 231g is located above each of the fixing slots 240, and each of the free ends 231g and the upper surface 210 has a height. A tapered space B is formed between each of the connecting members 231 and each of the fixing slots 240. .

Referring to FIG. 3 , in the embodiment, the coupling members 232 and the coupling members 233 are protruding plates protruding from the upper surface 210 , and each of the coupling members 232 has a first surface 232 a , a second surface 232b opposite to the first surface 232a, a third surface 232c connecting the first surface 232a and the second surface 232b, and a third surface 232c The fourth surface 232d, a fifth surface 232e and a coupling hole 232f. Referring to FIG. 3, each of the joint members 233 has a first surface 233a, a second surface 233b opposite to the first surface 233a, and a third surface connecting the first surface 233a and the second surface 233b. 233c, a fourth surface 233d opposite to the third surface 233c, a fifth surface 233e, and a coupling hole 233f.

Referring to FIG. 3, the coupling members 234 are slots that communicate with the upper surface 210 and the lower surface 220. Each of the coupling members 234 has an inner ring wall 234a.

Referring to FIG. 3, the coupling members 235 are slots for communicating the upper surface 210 and the lower surface 220 of the lower iron shell 200. Each of the coupling members 235 has an inner ring wall 235a.

Referring to Figures 4, 5, 6 and 7, the lower iron shell 200 is placed in a cavity S of a mold M. In this embodiment, the lower surface 220 of the lower iron shell 200 is in contact with the mold cavity. A side wall W of S, after which, referring to Figures 8, 9, 10 and 11, a gel-like insulating material C is injected into the cavity S.

Referring to Figures 3, 4 and 8, the gel-like insulating material C covers the upper surface 210 of the lower iron shell 200, and the gel-like insulating material C covers the first surface 231a of each of the joint members 231, The second surface 231b, the third surface 231c, and the fourth surface 231d are filled in the fixing groove 240 and the tapered space B.

Referring to Figures 3, 5 and 9, each of the coupling members 232 is located in the cavity S of the mold M. The glue-like insulating material C is filled in each of the coupling holes 232f of each of the coupling members 232, and is covered. The first surface 232a, the second surface 232b, the third surface 232c, the fourth surface 232d, and the fifth surface 232e of each of the bonding members 232 are contacted.

Referring to the figures 3, 5 and 9, the joint member 233 is in contact with the side wall W of the mold hole S by the fourth surface 233d. The glue insulating material C is filled in each of the joint holes 233f of each of the joint members 233. And covering the first surface 233a, the second surface 233b, the third surface 233c, and the fifth surface 233e.

Referring to Figures 3, 6 and 10, the gel-like insulating material C covers the upper surface 210 of the lower iron shell 200, and the gel-like insulating material C is filled in the joint members 234, and the gel-like insulating material is filled. The C series contacts each of the inner ring walls 234a of each of the coupling members 234.

Referring to Figures 3, 7 and 11, the mold M has a cylinder M1, the cylinder M1 is located in the cavity S, and when the lower iron casing 200 is placed in the cavity S of the mold M, the column The body M1 is disposed in each of the coupling members 235, and the cylinder M1 does not contact the inner ring wall 235a of the coupling member 235, and a injection space S1 is formed between the cylinder M1 and the inner ring wall 235a. The gel-like insulating material C covers the upper surface 210 of the lower iron shell 200 and is filled in the injection space S1, and the gel-like insulating material C contacts the inner ring walls 235a of each of the joint members 235.

Referring to Figures 8, 9, 10, 11 and 12, the gel-like insulating material C is solidified and formed in the cavity S of the mold M and formed into the insulating body 300, the insulating body 300 and the lower iron shell 200. When integrated, after referring to FIG. 12, the mold M is removed to reveal the insulative housing 300 and the lower iron case 200.

Referring to FIG. 12 , the insulative housing 300 has a body portion 310 , a molding portion 320 , two side portions 330 respectively located on two sides of the body portion 310 , and a body portion 310 , the mold portion 320 and the mold portion 320 . For the insertion groove 340 between the side portions 330, please refer to FIG. 1 , the upper iron shell 100 is coupled to the The body portion 310 covers the body portion 310. Referring to FIGS. 13, 14, 15 and 16, the mold portion 320 covers the upper surface 210 of the lower iron shell 200, and the mold portion 320 is molded. The coupling members 231, 232, 233, 234, 235 are covered.

Referring to Figures 3, 8 and 13, the molding portion 320 formed by curing the gel-like insulating material C is molded to cover the first surface 231a, the second surface 231b, and the first portion of the bonding member 231. The third surface 231c, the fourth surface 231d, and the fifth surface 231e are referred to in FIGS. 3 and 13 . The sealing portion 320 is molded in the fixing groove 240 and the tapered space B to form a plurality of fixings. The fixing portion 321 is filled in the fixing groove 240 and the tapered space B, and the fixing grooves 240 are used to expose the fixing portions 321 .

Referring to Figures 3, 9 and 14, the molding portion 320 formed by curing the gel-like insulating material C is molded to cover the first surface 232a, the second surface 232b, and the first portion of the bonding member 232. The third surface 232c, the fourth surface 232d, the fifth surface 232e and the coupling hole 232f, the sealing portion 320 molds the coupling hole 232f, and forms a limiting portion 331 at the coupling hole 232f, and the limiting portion The portion 331 is filled in the coupling hole 232f.

Referring to Figures 3, 9 and 14, the molding portion 320 formed by curing the gel-like insulating material C is molded to cover the first surface 233a, the second surface 233b, and the first portion of the bonding member 233. The third surface 233c, the fifth surface 233e and the coupling hole 233f, the sealing portion 320 forms a limiting portion 332 at the coupling hole 232f, and the limiting portion 332 is filled in the coupling hole 233f, the bonding hole The limit portion 332 is revealed by 233f.

Referring to FIGS. 3, 10 and 15 , the bonding members 234 are slot holes, and the molding portion 320 formed by curing the gel-like insulating material C molds the bonding members 234 to form a plurality of bonding protrusions. Portion 322, each of the combined protrusions The 322 is filled in the joints 234. Referring to FIGS. 10 and 15 , the coupling protrusions 322 are in contact with the inner ring walls 234 a of the coupling members 234 , and the coupling members 234 are used to expose the coupling protrusions 322 .

Referring to Figures 3, 11, 16 and 17, the bonding member 235 is a slot, and the molding portion 320 formed by curing the gel-like insulating material C is molded to form the plurality of bonding members 235 to form a plurality of Each of the coupling protrusions 323 has a uniform through hole 323, and the coupling protrusion 323 is filled with the glue-like insulating material C between the column M1 and the inner ring wall 235a. The through hole 323a is formed after the cylinder M1 of the mold M is removed. Referring to FIGS. 1 and 16, in the embodiment, the body portion 310 of the insulating body 300 has an inner portion. The surface 311 and the positioning member 312 of the inner surface 311 are disposed in the insertion slot 340 for limiting the cable 10 from the electrical connector A, and the through holes 323a correspond to the through holes 323a. Each of the positioning members 312, and each of the through holes 323a exposes each of the positioning members 312. When the cable 10 is confined in the insertion slot 340, the through hole 323a can be used to observe whether the cable 10 is actually Each of the positioning members 312 is limited, or when the cable 10 is to be disengaged from the positioning member 312, a tool can pass through the through The hole 323a pushes each of the positioning members 312 to disengage the wire 10 from the positioning members 312.

Referring to FIG. 13, preferably, the sealing portion 320 has a thickness T which is between 0.26 and 0.31 mm, which can thin the electrical connector A.

Referring to FIG. 18, which is a second preferred embodiment of the present invention, which differs from the first embodiment of FIG. 17 in that the lower iron casing 200 has an extension portion 200a which is convex. For the insulative housing 300, please refer to FIG. 19, the extension portion 200a is used to carry the cable 10 The plug end 10a.

The scope of the present invention is defined by the scope of the appended claims, and any changes and modifications made by those skilled in the art without departing from the spirit and scope of the invention are within the scope of the present invention. .

10‧‧‧ cable

10a‧‧‧plug end

100‧‧‧Upper iron shell

200‧‧‧Under the iron shell

200a‧‧‧Extension

210‧‧‧ upper surface

220‧‧‧ lower surface

231‧‧‧Connected parts

231a‧‧‧ first surface

231b‧‧‧ second surface

231c‧‧‧ third surface

231d‧‧‧ fourth surface

231e‧‧‧ fifth surface

231f‧‧‧Connected end

231g‧‧‧Free end

232‧‧‧Connected parts

232a‧‧‧ first surface

232b‧‧‧second surface

232c‧‧‧ third surface

232d‧‧‧fourth surface

232e‧‧‧ fifth surface

232f‧‧‧bond hole

233‧‧‧Connected parts

233a‧‧‧ first surface

233b‧‧‧ second surface

233c‧‧‧ third surface

233d‧‧‧ fourth surface

233e‧‧‧ fifth surface

233f‧‧‧bond hole

234‧‧‧Connected parts

234a‧‧‧ Inner Ring Wall

235‧‧‧Connected parts

235a‧‧‧ Inner Ring Wall

240‧‧‧Fixed slot

300‧‧‧Insulated body

310‧‧‧ Body Department

311‧‧‧ inner surface

312‧‧‧ Positioning parts

320‧‧‧Molding Department

321‧‧‧Fixed parts

322‧‧‧Combined convex

323‧‧‧ Combined with convex

323a‧‧‧through hole

330‧‧‧ side

331‧‧‧Limited

332‧‧‧Limited

340‧‧‧ Socket slot

A‧‧‧Electrical connector

B‧‧‧Cone space

C‧‧‧Glue insulation

M‧‧‧Mold

M1‧‧‧ cylinder

S‧‧‧ cavity

S1‧‧‧ injection space

W‧‧‧ sidewall

T‧‧‧ thickness

Figure 1 is a schematic view showing the combination of an electrical connector and a cable according to a first preferred embodiment of the present invention.

Figure 2 is a side view of the combination of the electrical connector and the cable according to the first preferred embodiment of the present invention.

Figure 3 is a schematic view of an iron casing under the electrical connector in accordance with a first preferred embodiment of the present invention.

Figures 4 to 7: In accordance with a first preferred embodiment of the present invention, the lower iron shell is placed in a schematic view of the mold.

Figures 8 to 11: A schematic view of a gel-like insulating material filled in a mold according to a first preferred embodiment of the present invention.

Figure 12 is a perspective view of a combination of a lower iron shell and an insulative body in accordance with a first preferred embodiment of the present invention.

Figures 13 to 16 are perspective cross-sectional views of a lower iron casing and an insulative body in accordance with a first preferred embodiment of the present invention.

Figure 17 is a perspective view of a combination of a lower iron shell and an insulative body in accordance with a first preferred embodiment of the present invention.

Figure 18 is a schematic view showing the combination of an electrical connector and a cable according to a second preferred embodiment of the present invention.

Figure 19 is a side view showing the combination of the electrical connector and the cable according to the second preferred embodiment of the present invention.

200‧‧‧Under the iron shell

210‧‧‧ upper surface

220‧‧‧ lower surface

240‧‧‧Fixed slot

231‧‧‧Connected parts

231f‧‧‧Connected end

231g‧‧‧Free end

300‧‧‧Insulated body

310‧‧‧ Body Department

320‧‧‧Molding Department

321‧‧‧Fixed parts

C‧‧‧Glue insulation

T‧‧‧ thickness

Claims (8)

An electrical connector comprising: a lower iron shell having an upper surface, a lower surface, and a plurality of coupling members, the coupling members being formed on the upper surface, the coupling members protruding from the upper surface Each of the bonding members has a first surface, a second surface opposite to the first surface, a third surface connecting the first surface and the second surface, a fourth surface opposite to the third surface, and a coupling hole that communicates with the third surface and the fourth surface; and an insulative housing having a body portion, a molding portion, two side portions on the two sides of the body portion, and a portion a mounting portion between the main portion, the sealing portion and the side portions, the molding portion covers the upper surface of the lower iron shell and is molded to cover the coupling members, and the sealing portion of the insulating body Forming the first surface, the second surface, the third surface, and the fourth surface, and the molding portion molds the bonding hole, and forms a limiting portion in the bonding hole, and the limiting portion The portion is filled in the bonding hole. The electrical connector of claim 1, wherein the lower iron shell has a plurality of fastening slots extending through the upper surface and the lower surface, each of the coupling members having a connecting end and a free end, each The connecting end is connected to the slot wall of each of the fixing slots, and each of the free ends is located above each of the fixing slots, and each of the free ends and the upper surface has a height, and each of the connecting members and the fixing portion are fixed A sealing space is formed between the slots, and the sealing portion is molded in the fixing groove and the tapered space to form a plurality of fixing portions, and the fixing portions are filled in the fixing grooves and the cone Spaces, and the fastening slots expose the fastening portions. The electrical connector of claim 1, wherein the coupling members are slot holes, and the sealing portion of the insulating body molds the coupling members to form The plurality of bonding protrusions are filled in the bonding members. The electrical connector of claim 3, wherein the coupling members extend through the upper surface and the lower surface of the lower iron shell, each of the coupling members having an inner ring wall, the coupling protrusions The inner ring walls are contacted and the bonding members expose the bonding protrusions. The electrical connector of claim 4, wherein the body portion of the insulative housing has an inner surface and two positioning members protruding from the inner surface, each of the coupling protrusions having a consistent perforation, each The through hole corresponds to each of the positioning members, and each of the through holes exposes each of the positioning members. The electrical connector of claim 1, wherein the molding portion has a thickness ranging from 0.26 to 0.31 mm. The electrical connector of claim 1, wherein the lower iron shell comprises an extension protruding from the insulative body. An electrical connector comprising: a lower iron shell having an upper surface, a lower surface, and a plurality of coupling members, the coupling members being formed on the upper surface, the coupling members protruding from the upper surface Each of the bonding members has a first surface, a second surface opposite to the first surface, a third surface connecting the first surface and the second surface, a fourth surface opposite to the third surface, and a coupling hole that communicates with the third surface and the fourth surface; and an insulative housing having a body portion, a molding portion, two side portions on the two sides of the body portion, and a portion a mounting portion between the main portion, the sealing portion and the side portions, the molding portion covers the upper surface of the lower iron shell and is molded to cover the coupling members, and the sealing portion of the insulating body Forming the first surface, the second surface, the third surface, and the bonding hole, the mold The sealing portion forms a limiting portion in the coupling hole, and the limiting portion is filled in the coupling hole and the coupling hole exposes the limiting portion.