TWM498400U - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector that facilitates improved signal transmission quality and facilitates assembly.

The Chinese patent CN201320378153.0 discloses an electrical connector comprising an insulative housing, a first terminal set held on the insulative housing, a masking member and a metal housing disposed outside the insulating body, the insulative housing including the base and the forward An extended tongue plate having opposite first and second surfaces, the first terminal set being exposed to the first surface, the mask being disposed on the tongue and located on the first surface and the second surface Meanwhile, the first terminal group includes a ground terminal, and the ground terminal is provided with a contact portion that protrudes toward the mask member and contacts the mask member. When the existing electrical connector structure is used for high-speed signal transmission, the electromagnetic radiation in the docking chamber is easy to cause backward crosstalk to interfere with the soldering legs of the terminal group, which is not conducive to improving signal quality, so it is necessary to improve .

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art described above, and to provide an electrical connector, which is advantageous for improving signal transmission quality and facilitating assembly.

The present invention provides an electrical connector for the above technical problem, comprising: an insulative housing comprising a body portion and a tongue portion extending forwardly from the body portion, the tongue portion having a first surface opposite to the top surface And a second surface; the plurality of conductive terminals are fixed on the insulating body, and are divided into a set of first conductive terminals and a set of second conductive terminals, each conductive terminal comprising a pair of joints and a soldering portion, the first conductive The abutting portion of the terminal is exposed on the first surface, and the abutting portion of the second conductive terminal is exposed on the second surface; an outer mask housing enclosing the peripheral space of the tongue portion and forming a pair of cavities, The outer shroud housing is provided with at least one grounding leg; an inner shroud housing disposed between the outer shroud housing and the insulative housing and in contact with the outer shroud housing, the inner shroud housing The utility model comprises two metal shell units, each metal shell unit comprises a fixing section and an extending section extending forward from the fixing section, the fixing section is fixed on the body part of the insulating body, and the extending section Is behind the tongue Exposing extends a predetermined distance.

In some embodiments, the securing segment is attached to a front section of the body portion of the insulative housing, the extension being attached to a rear portion of the tongue portion, the securing segment being in contact with the outer shroud housing.

In some embodiments, the extension includes a horizontally extending panel attached to the rear section of the tongue portion, the fastening section including a horizontally extending panel attached to the front section of the body portion of the insulative housing.

In some embodiments, the extension further includes two hooks respectively bent and extended from two sides of the horizontally extending plate; the two sides of the rear portion of the tongue portion are respectively provided with a receiving groove, the two metal shells The hooks on the unit are respectively received in the two receiving slots, so that the rear portion of the tongue portion is surrounded therein.

In some embodiments, the hooking directions of the two hooks on each of the metal housing units are opposite, and the hooks on the two metal housing units are hooked into each other in the two receiving slots.

In some embodiments, the fixing segment further includes at least one fixing tab extending from the horizontal extending plate, and the upper and lower sides of the body portion are respectively provided with at least one fixing groove; the two metal housing units are The fixing tabs are correspondingly inserted into the fixing grooves of the body portion, thereby fixing the two metal housing units to the body portion of the insulating body.

In some embodiments, each of the metal housing units further includes a connecting section that is vertically connected between the fixed section and the extended section.

In some embodiments, the outer shroud housing includes a top wall, a bottom wall, and two side walls connected between the top wall and the bottom wall, wherein the top wall and the bottom wall are provided with a plurality of inwardly projecting The joint engages the fixed sections of the two metal housing units.

In some embodiments, the extensions of the two metal housing units are disposed toward the first and second surfaces of the tongue portion, respectively, and are spaced apart from the conductive terminals.

In some embodiments, the electrical connector further includes a grounding metal piece, the grounding metal piece being fixed in the tongue portion of the insulating body and a plate body spaced between the first conductive terminal and the second conductive terminal, and at least one grounding leg extending from the plate body.

Compared with the prior art, the electrical connector of the present invention can prevent the electromagnetic radiation in the docking cavity from leaking backward and interfere with the soldering portion of the conductive terminal by adding an inner mask housing that cooperates with the outer mask housing, and the inner portion The mask housing is a two-piece construction that can be easily manufactured and assembled.

1‧‧‧Insulating body

10‧‧‧Electrical connector

109‧‧‧ docking chamber

11‧‧‧First insulation

12‧‧‧Second insulation

121‧‧‧ base

122‧‧‧Second Installation Department

123‧‧‧ escaping slot

124‧‧‧fixed slot

14‧‧‧ Body Department

15‧‧‧ Main body

151‧‧‧ base

152‧‧‧Extended side

1521‧‧‧First Installation Department

1523‧‧‧Positioning column

1525‧‧‧ card slot

1526‧‧‧Limited blocks

153‧‧‧ accommodating space

154‧‧‧fixed slot

16‧‧ ‧ tongue plate

162‧‧‧Terminal receiving slot

163‧‧‧ holding slot

164‧‧‧ housing trough

165‧‧‧After

166‧‧‧

1671‧‧‧ front surface

1672‧‧‧ side surface

168‧‧‧ first surface

169‧‧‧ second surface

2‧‧‧Electrical terminals

20‧‧‧Docking connector

201‧‧‧Insulated body

202‧‧‧Electrical terminals

203‧‧‧mask housing

204‧‧‧ Grounding shrapnel

209‧‧‧ docking chamber

21‧‧‧First conductive end child

211‧‧‧Docking Department

212‧‧‧Weld Department

213‧‧‧Connecting Department

22‧‧‧Second conductive terminal

221‧‧‧Docking Department

222‧‧‧Weld Department

223‧‧‧Connecting Department

3‧‧‧Outer mask housing

31‧‧‧ top wall

311‧‧‧ joints

32‧‧‧ side wall

33‧‧‧ bottom wall

331‧‧‧ joints

35‧‧‧ Grounding feet

36‧‧‧Snap pieces

4‧‧‧Inner mask housing

41‧‧‧Metal housing components

411‧‧‧ fixed section

412‧‧‧Extension

413‧‧‧Connection section

414‧‧‧ hook

4141‧‧‧ bayonet

415‧‧‧Fixed tabs

416‧‧‧ hook

4161‧‧‧ bayonet

417‧‧‧ horizontal extension board

418‧‧‧ horizontal extension board

45‧‧‧Fixed section

46‧‧‧Extension

47‧‧‧Connecting section

5‧‧‧Grounding metal sheet

51‧‧‧ board

52‧‧‧ Grounding feet

58‧‧‧through hole

6‧‧‧Combined ontology

7‧‧‧ first module

8‧‧‧ second module

Other features and advantages of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a view of an embodiment of the present invention and a pair of connectors.

Figure 2 is a perspective view of the electrical connector of Figure 1.

Figure 3 is a front elevational view of Figure 2.

Figure 4 is a cross-sectional view taken along line Z-Z of Figure 3;

Figure 5 is a cross-sectional view taken along line F-F of Figure 3;

Figure 6 is a cross-sectional view taken along the line A-A in Figure 3 .

Figure 7 is an exploded view of the outer mask housing of Figure 2 separated.

Figure 8 is a view of another perspective of Figure 7.

Figure 9 is an exploded perspective view showing the inner mask housing of Figure 7 separated.

Figure 10 is an exploded perspective view showing the first module and the second module of Figure 9 separated.

Figure 11 is a view of another perspective of Figure 10.

Fig. 12 is an exploded perspective view showing the insulating body, the conductive terminal, and the grounded metal piece of Fig. 10 further separated.

Although the present invention can be readily embodied in various forms, the specific embodiments shown in the drawings and described in detail in the specification are only The exemplary description of the novel principles is not intended to limit the invention to what is described herein.

Thus, a feature indicated in this specification will be used to illustrate one of the features of one embodiment of the present invention, and is not intended to suggest that each embodiment of the present invention must have the features described. Moreover, it should be noted that this specification describes a number of features. Although certain features may be combined together to illustrate possible system designs, these features are also applicable to other combinations not explicitly illustrated. Accordingly, the illustrated combinations are not intended to be limiting, unless otherwise indicated.

In the embodiments shown in the figures, the indications of the directions (such as up, down, left, right, front and back) are used to explain that the structure and motion of the various elements of the present invention are not absolute but relative. These descriptions are suitable when the elements are in the positions shown in the figures. If the description of the position of these elements changes, the indications of these directions also change accordingly.

The preferred embodiments of the present invention are further elaborated below in conjunction with the drawings of the specification. Referring to Figures 1 through 12, a preferred embodiment of the present electrical connector is shown.

The electrical connector 10 is preferably an electrical connection socket for supporting high speed data transmission. The docking connector 20 preferably supports a high speed data transmission. The electrical connection plug for the transmission.

Referring to FIGS. 1 to 6 , the electrical connector 10 generally includes an insulative housing 1 , a plurality of conductive terminals 2 , an outer shroud housing 3 , an inner shroud housing 4 , and a grounding metal sheet 5 . Referring to FIG. 7 to FIG. 12, the insulative housing 1, the conductive terminals 2 and the grounding metal sheets 5 are combined into a combined body 6. The inner mask housing 4 is fixed to the combined body 6. The outer cover shell 3 is sleeved on the outer side of the combined body 6 and the inner mask shell 4, and surrounds a pair of joint cavities 109 formed symmetrically at 180 degrees. The outer shroud housing 3 has a plurality of grounding legs 35 that can be soldered to a grounding line on a circuit board (not shown).

Referring to FIG. 1 , the mating connector 20 generally includes an insulative housing 201 , a plurality of conductive terminals 202 fixed on the insulative housing 201 , a mask housing 203 disposed on an outer circumference of the insulative housing 201 , and a plurality of grounding springs 204 . . The docking connector 20 has a pair of mating cavities 209. When the mating connector 20 is inserted into the mating cavity 109 of the electrical connector 10, the inner shroud housing 4 can be coupled to the grounding shrapnel 204 except that the conductive terminals 202 and the corresponding conductive terminals 2 will be electrically connected together. The contact constitutes a first grounded shroud structure, thereby preventing electromagnetic radiation from leaking back through the insulative body 1 and interfering with the conductive terminal 2. Moreover, the outer mask housing 3 can be in contact with the mask housing 203 to form a second grounding mask structure, so that an integrally surrounding mask structure can be effectively formed around the mating cavity 109.

Referring to FIGS. 7 to 12, the insulative housing 1 is formed by a combination of a first insulating member 11 and a second insulating member 12 stacked on each other. The first insulating member 11 is integrally injection molded, and mainly includes a main body portion 15 And a tongue portion 16 extending forward from the main body portion 15.

Referring to FIGS. 10-12, the main body portion 15 generally includes a base portion 151, two extending side portions 152 extending on both sides of the base portion 151 and extending rearward, and two fixing grooves 154 disposed at the bottom of the base portion 151. A receiving space 153 is formed in the main body portion 11. It can be understood that the receiving space 153 is enclosed by the base portion 151 and the two extending side portions 152. Referring to FIG. 10, the extended side portion 152 is provided with a first mounting portion 1521 on each of the inner sides (that is, the side facing the receiving space 153). Specifically, the first mounting portion 1521 is a channel that extends vertically on the extended side portion 152, the channel having an opening at an upper end of the extended side portion 152. Each of the two extending side portions 152 is formed with a positioning post 1523 protruding downward. The extended side portion 152 is recessed with a card slot 1525 on the outer side. The extending side portion 152 is formed with a limiting block 1526 protruding upward at the rear end of the top surface.

Referring to Figures 10 and 11, the tongue portion 16 has upper and lower opposing first and second surfaces 168, 169 and a front surface 1671 and a side surface 1672 joined between the two surfaces 168, 169. A plurality of terminal receiving grooves 162 are formed in the second surface (upper side surface) 169 of the tongue portion 16. The tongue portion 16 can be divided into a rear section 165 and a front section 166. The thickness of the rear section 165 is larger than the thickness of the front section 166. This configuration allows the tongue portion 16 to have better strength from being damaged by the docked butt connector 20. Each of the two sides of the front section 165 of the tongue portion 16 is further formed with a locking groove 163 which is recessed inward. Each of the two sides of the rear section 165 of the tongue portion 16 is further formed with a receiving groove 164.

Referring to Figures 11 and 12, the second insulating member 12 is an integral note. Plastically molded, which generally includes a base portion 121 having a rectangular parallelepiped shape, two second mounting portions 122 respectively disposed on opposite outer sides of the base portion 121 and extending in the vertical direction, and two avoidances disposed on the bottom side of the base portion 121 The groove 123 and the two fixing grooves 124 are disposed above the front side of the base 121. Referring to FIG. 10 and FIG. 12, the two second mounting portions 122 are correspondingly engaged with the two first mounting portions 1521 of the first insulating member 11, so that the second insulating member 12 can be inserted and fixed from top to bottom. The receiving space 153 of the first insulating member 11 is inside. Referring to FIG. 4 to FIG. 8 , it can be understood that the second insulating member 12 and the main body portion 15 of the first insulating member 11 together form a body portion 14 of the insulating body 1 . The shape of the main body portion 14 is relatively wide, and the tongue portion 16 projecting forward from the main body portion 14 is relatively narrow.

Referring to Figures 10 to 12, these conductive terminals 2 are integrally stamped and bent using a metal material. These conductive terminals 2 are divided into a set of first conductive terminals 21 and a set of second conductive terminals 22. Each of the first conductive terminals 21 includes a pair of joints 211 , a soldering portion 212 , and a connecting portion 213 connected between the mating portion 211 and the soldering portion 212 . The abutting portion 211 corresponds to the first surface 168 exposed to the tongue portion 16 . Each of the second conductive terminals 22 includes a pair of connecting portions 221 , a soldering portion 222 , and a connecting portion 223 connected between the mating portion 221 and the soldering portion 222 . The abutting portion 221 is correspondingly received in the terminal receiving groove 162 and exposed on the second surface 169 of the tongue portion 16 . 1 to 6, the abutting portions 211 of the first conductive terminals 21 and the abutting portions 221 of the second conductive terminals 22 are symmetrically disposed 180 degrees in the mating cavity 109, thereby making the docking connector 20 forward or reverse. The purpose of proper docking can be achieved by inserting into the electrical connector 10.

Referring to FIGS. 8-10, the outer shroud housing 3 includes a top wall 31, two side walls 32, and a bottom wall 33. Preferably, the top wall 31 is recessed with a plurality of joint portions 311. A plurality of joint portions 331 are recessed upwardly on the bottom wall 33. A front grounding leg 35 extends downwardly from the center of each side wall 32. A rear grounding leg 35 extends downwardly from the rear of each side wall 32. A latching piece 36 is also formed on each of the side walls 32. When the outer cover shell 3 is sleeved from the front to the back of the insulative housing 1, the rear end of the side wall 32 will abut against the limiting block 1526 on the insulative housing 1. The snap tab 36 will correspond to the card. The card slot 1525 is inserted into the insulative housing 1 to fix the outer cover housing 3 to the insulative housing 1.

Referring to FIGS. 4-9, the inner mask housing 4 is fixed to the body portion 14 of the insulative housing 1 and extends a distance toward the tongue portion 16. That is, the inner mask housing 4 is fixed to the outer circumference of the body portion 14 and extends a distance from the rear portion 165 of the tongue portion 16. Specifically, the inner mask housing 4 includes a fixing section 45 attached to the front section of the body portion 14, an extension 46 attached to the rear section 165 of the tongue portion 16, and a vertical connection at the fixing A connecting section 47 between the segment 45 and the extension 46. The inner mask housing 4 can be grounded by the fixing section 45 being in contact with the outer mask housing 3.

The inner mask housing 4 is specifically formed by assembling two metal housing elements 41 up and down. Each of the metal housing members 41 includes a fixing portion 411 attached to the front portion of the body portion 14, an extension portion 412 attached to the rear portion 165 of the tongue portion 16, and a vertical connection at the fixing portion 411 and an extension A connecting segment 413 between the segments 412. Specifically, the fixed section 411 includes a horizontal extension The extension plate 417 and the two fixing tabs 415 extending vertically upward from the rear edge thereof, wherein the fixing tabs 415 preferably have barbs. The extension 412 includes a horizontal extension plate 418 and two hooks 414, 416 extending vertically from both sides thereof, wherein the bayonet 4141 of the hook 414 is opposite to the bayonet 4161 of the hook 416. The connecting section 413 is a vertical extension plate. Referring to FIG. 9, the metal housing member 41 located above is correspondingly fixed to the fixing groove 124 of the second insulating member 12. Referring to FIG. 11, the metal housing member 41 located below is correspondingly fixed to the fixing groove 154 of the first insulating member 11. The two metal housing elements 41 can be locked to each other by the mutual hooking of the hooks. Specifically, the hooks are fastened in the receiving grooves 164 of the insulative housing 1 so that the rear portion 165 of the tongue portion 16 can be hung therein.

It can be understood that the aforementioned fixing section 45 is specifically composed of the fixing sections 411 of the two metal housing elements 41 in the present embodiment; the aforementioned extension 46 is an extension 412 on the two metal housing elements 41. The above-mentioned connecting section 47 is composed of a connecting section 413 on two metal housing elements 41. The inner mask housing 4 can be joined to the joint portions 311, 331 of the outer mask housing 3 by means of laser welding or elastic contact.

Referring to Figures 10 through 12, the grounded metal sheet 5 is integrally stamped and bent. It includes a plate body 51 and two grounding legs 52 extending rearward from the rear edge of the plate body 51. The plate body 51 is fixed in the tongue portion 16 and is spaced apart from the first conductive terminal 21 and the second conductive terminal 22. The front end edge of the plate body 51 is exposed to the front surface 1671 of the tongue plate portion 16. Both side edges of the plate body 51 are exposed to the two side surfaces 1672 of the tongue plate portion 16. worth it It is noted that the two side edges of the board body 51 are exposed to the holding slot 163, so as to be grounded in contact with a grounding spring piece (not shown) on the side of the mating cavity 209 of the mating connector 20. The two grounding legs 52 can be passed back through the escaping groove 123 on the second insulating member 12 out of the insulating body 1. The two grounding legs 52 can be soldered to the circuit board to achieve grounding. Further, a plurality of through holes 58 are formed in the plate body 51. Preferably, these through holes 58 are circular. These through holes 58 are arranged symmetrically along the central axis extending forward and backward. Such a grounding metal piece 5 can both enhance the strength of the tongue portion 16, and can also reduce the high frequency crosstalk of the conductive terminal 2, thereby achieving the purpose of improving electrical performance.

Referring to FIG. 10 to FIG. 12 , the grounding metal piece 5 is combined with the first conductive terminals 21 and the first insulating member 11 to form a first module 7 . Specifically, the first insulating member 11 is injection-molded on the outer periphery of the first conductive terminal 21 and the grounded metal piece 5 by a process of insert molding. The second insulating member 12 is combined with the second conductive terminals 22 to form a second module 8. Specifically, the second insulating member 12 is overmolded on the outer circumference of the second conductive terminal 22 by a process of insert molding. The second module 8 is stacked on the first module 7 from the top to the bottom, and the abutting portion 221 of the second conductive terminal 22 is inserted into the terminal receiving groove 162 of the tongue portion 16 . The second insulating member 12 and the first insulating member 11 may be combined into the aforementioned insulating body 1.

The assembly process of the electrical connector of the present invention generally comprises: stamping and bending forming the conductive terminal 2, the outer mask housing 3, the two metal housing members 41, and the grounding metal piece 5; and then adopting the process of insert molding at the first conductive The terminal 21 and the grounding metal piece 5 are overmolded to form the first insulating member 11 Thereby, the first module 7 is obtained, and the second insulating member 12 is overmolded on the outer periphery of the second conductive terminal 22 to obtain the second module 8; then, the second module 8 is inserted from the top to the bottom to the first In the receiving space 153 of the module 7, the combined body 6 is obtained; then the two metal housing elements 41 are correspondingly mounted on the combined body 6; finally, the outer mask housing 4 is nested into the combined body from the rear to the rear. 6 on.

Compared with the prior art, the electrical connector 10 of the present invention can prevent the electromagnetic radiation in the docking cavity 109 from leaking backward and interfere with the conductive terminals 21 and 22 by adding an inner mask housing 4 that cooperates with the outer mask housing 3. The welded portions 212, 222, and the inner shroud housing 4 is a two-piece structure that is easy to manufacture and assemble.

The above is only a preferred embodiment of the present invention, and is not intended to limit the embodiments of the present invention. Those skilled in the art can make corresponding modifications or modifications in a very convenient manner according to the main idea and spirit of the present invention. The scope of protection shall be subject to the scope of protection required by the scope of application for patents.

1‧‧‧Insulating body

109‧‧‧ docking chamber

14‧‧‧ Body Department

16‧‧ ‧ tongue plate

168‧‧‧ first surface

169‧‧‧ second surface

21‧‧‧First conductive terminal

211‧‧‧Docking Department

22‧‧‧Second conductive terminal

221‧‧‧Docking Department

3‧‧‧Outer mask housing

311‧‧‧ joints

331‧‧‧ joints

35‧‧‧ Grounding feet

4‧‧‧Inner mask housing

45‧‧‧Fixed section

46‧‧‧Extension

47‧‧‧Connecting section

51‧‧‧ board

52‧‧‧ Grounding feet

Claims (10)

An electrical connector comprising: an insulative housing comprising a body portion and a tongue portion extending forwardly from the body portion, the tongue portion having a first surface and a second surface opposite to each other; The conductive terminal is fixed on the insulating body and is divided into a group of first conductive terminals and a set of second conductive terminals, each of the conductive terminals includes a pair of connecting portions and a soldering portion, wherein the abutting portions of the first conductive terminals are exposed a first surface, the abutting portion of the second conductive terminals is exposed on the second surface; an outer mask housing enclosing the peripheral space of the tongue portion and forming a pair of connecting cavities, the outer mask housing is provided At least one grounding leg; the electrical connector further includes: an inner shroud housing disposed between the outer shroud housing and the insulative housing and in contact with the outer shroud housing, the inner shroud housing The utility model comprises two metal shell units, each metal shell unit comprises a fixing section and an extending section extending forward from the fixing section, the fixing section is fixed on the body part of the insulating body, and the extending section Is exposed at the rear of the tongue portion Extending a set distance. The electrical connector of claim 1, wherein the fixing segment is attached to a front portion of the body portion of the insulative housing, the extension portion is attached to a rear portion of the tongue portion, the fixing portion and the outer cover The cover housing is in contact. The electrical connector of claim 2, wherein the extension comprises A horizontally extending plate attached to a rear portion of the tongue portion, the fixed portion including a horizontally extending plate attached to a front portion of the body portion of the insulative housing. The electrical connector of claim 3, wherein the extension further comprises two hooks respectively bent and extended from two sides of the horizontally extending plate; the tongue plate portion is provided with a receiving slot on each side of the rear section The hooks on the two metal housing units are respectively received in the two receiving slots, so that the rear portion of the tongue portion is surrounded therein. The electrical connector of claim 4, wherein the hooking directions of the two hooks on each of the metal housing units are opposite, and the hooks on the two metal housing units are hooked to each other These two storage slots. The electrical connector of claim 3, wherein the fixing segment further comprises at least one fixing tab extending from the horizontal extending plate, and at least one fixing groove is disposed on each of the upper and lower sides of the body portion; The fixing tabs on the two metal housing units are correspondingly inserted into the fixing grooves of the body portion, thereby fixing the two metal housing units to the body portion of the insulating body. The electrical connector of claim 3, wherein each of the metal housing units further comprises a connecting section vertically connected between the fixed section and the extended section. The electrical connector of claim 2, wherein the outer shroud housing comprises a top wall, a bottom wall and two side walls connected between the top wall and the bottom wall, wherein the top wall and the bottom wall are provided Multiple inwardly protruding The joint engages the fixed sections of the two metal housing units. The electrical connector of claim 1, wherein the extensions of the two metal housing units are disposed toward the first surface and the second surface of the tongue portion, respectively, and are spaced apart from the conductive terminals. The electrical connector of any one of claims 1 to 9, wherein the electrical connector further comprises a grounding metal piece, the grounding metal piece being fixed in the tongue portion of the insulating body and spaced apart from the first conductive terminal a plate body between the second conductive terminal and at least one grounding leg extending from the plate body.