CN212412336U

CN212412336U - Electrical connector

Info

Publication number: CN212412336U
Application number: CN202021920435.5U
Authority: CN
Inventors: 陈宏基; 郭荣哲
Original assignee: Dongguan Luxshare Technology Co Ltd
Current assignee: Dongguan Luxshare Technology Co Ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-01-26
Anticipated expiration: 2030-09-04
Also published as: TWM613621U

Abstract

An electrical connector, comprising: the connector comprises an insulating body, a first connector and a second connector, wherein the insulating body comprises a butting surface and a slot which penetrates through the butting surface and is used for accommodating a part of butting connectors; a plurality of conductive terminals including contact portions exposed to the socket; the shielding shell is shielded on the insulating body, an accommodating groove for accommodating part of the butting connector is formed between the shielding shell and the insulating body, and the accommodating groove is positioned outside the slot; the electric connector further comprises a first outer surface and a fool-proof protrusion protruding out of the first outer surface along a direction perpendicular to the plugging direction of the butting connector, the first outer surface and the accommodating groove are respectively located on two sides of the inserting groove, and the fool-proof protrusion is used for preventing the butting connector from being inserted into the electric connector at a wrong angle.

Description

Electrical connector

Technical Field

The utility model relates to an electric connector belongs to connector technical field.

Background

Electrical connectors of the prior art typically include a plug connector (male connector) and a receptacle connector (female connector) that mate with each other. It is known that data and power transmission can be achieved only when the plug connector is properly plugged into the receptacle connector. If the plug connector and the socket connector are plugged at a wrong angle (for example, the plug connector is turned over by 180 degrees and is reversely plugged), the transmission function cannot be realized, and the terminals are easily damaged. Therefore, it is necessary to design an electrical connector with a fool-proof function to protect the terminals from being damaged by wrong insertion.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric connector with prevent slow-witted function.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an electrical connector, comprising:

the connector comprises an insulating body, a first connector and a second connector, wherein the insulating body comprises a butting surface and a slot which penetrates through the butting surface and is used for accommodating a part of butting connectors;

a plurality of conductive terminals including contact portions exposed to the socket; and

the shielding shell is shielded on the insulating body, an accommodating groove for accommodating part of the butting connector is formed between the shielding shell and the insulating body, and the accommodating groove is positioned outside the inserting groove;

the electric connector further comprises a first outer surface and a fool-proof protrusion protruding out of the first outer surface along a direction perpendicular to the plugging direction of the butting connector, the first outer surface and the accommodating groove are respectively located on two sides of the inserting groove, and the fool-proof protrusion is used for preventing the butting connector from being inserted into the electric connector at a wrong angle.

As a further improved technical scheme of the utility model, prevent that slow-witted arch is close to the butt joint face sets up.

As a further improved technical solution of the present invention, the shielding shell includes a first shell portion, and the first outer surface is disposed on the first shell portion;

the fool-proof bulge and the shielding shell are integrally formed; or the fool-proof bulge and the insulation body are integrally formed; or the fool-proof protrusion and the first shell part are separately arranged and fixed on the first shell part.

As a further improved technical scheme of the utility model, shield the casing and make by metal material, prevent slow-witted arch certainly the integrative punching press of first casing portion forms.

As a modified technical scheme of the utility model, first casing portion is equipped with and is close to the first terminal surface of butt joint face, first casing portion be equipped with corresponding to prevent slow-witted bellied fluting, the fluting runs through first terminal surface.

As a modified technical scheme of the utility model, prevent slow-witted arch with insulator integrated into one piece, first casing portion is equipped with the trompil, prevent that slow-witted arch passes the trompil is in order to be located on the first surface.

As a further improved technical solution of the present invention, the insulation body includes a first wall portion and a second wall portion disposed opposite to the first wall portion, and the insertion groove is located between the first wall portion and the second wall portion;

the shielding shell comprises a second shell part which is arranged opposite to the first shell part, the first shell part shields the first wall part, the second shell part shields the second wall part, the accommodating groove is positioned between the second wall part and the second shell part, the second shell part is provided with at least one locking hole communicated with the accommodating groove, and the locking hole is used for being locked with the butting connector.

As a further improved technical scheme of the utility model, the electric connector including install in insulator's first terminal module and second terminal module, wherein first terminal module is equipped with first insulating block and is fixed in a plurality of first conductive terminal of first insulating block, the second terminal module is equipped with the second insulating block and is fixed in a plurality of second conductive terminal of second insulating block, first conductive terminal is including the protrusion first wall portion just extends into a plurality of first elastic arms in the slot, second conductive terminal is including the protrusion second wall portion just extends into a plurality of second elastic arms in the slot.

As a further improved technical solution of the present invention, the first insulating block and the second insulating block are formed with a spacing groove therebetween, and the electrical connector further includes a grounding member installed in the spacing groove.

As a further improved technical proposal of the utility model, the cross section of the grounding piece is U-shaped and is provided with a positioning groove; the electric connector also comprises a positioning block clamped in the positioning groove.

Compared with the prior art, the utility model discloses a set up the protrusion the fool-proof of first surface is protruding, fool-proof arch is used for preventing butt joint connector inserts with wrong angle among the electric connector, thereby protected the utility model discloses an electric connector.

Drawings

Fig. 1 is a perspective view of an electrical connector according to a first embodiment of the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a partially exploded perspective view of fig. 1.

Fig. 4 is a partially exploded perspective view of fig. 3 at another angle.

Fig. 5 is a right side view of the shield case of fig. 3.

Fig. 6 is a right side view of the first terminal module, the second terminal module, the ground, and the positioning block of fig. 3 when they are coupled together.

Fig. 7 is an exploded perspective view of the first terminal module, the second terminal module, the grounding member and the positioning block in fig. 4.

Fig. 8 is an exploded perspective view from another angle of fig. 7.

Fig. 9 is a schematic view of the docking connector when inserted into the utility model electrical connector at the correct angle (e.g., positive insertion).

Fig. 10 is a schematic view of the docking connector when inserted into the utility model electrical connector at the wrong angle (e.g., reverse insertion).

Fig. 11 is a perspective view of the electrical connector according to the second embodiment of the present invention.

Fig. 12 is a front view of fig. 11.

Fig. 13 is a perspective view of the electrical connector according to the third embodiment of the present invention.

Fig. 14 is a front view of fig. 13.

Fig. 15 is a perspective view of the electric connector according to the fourth embodiment of the present invention.

Fig. 16 is a front view of fig. 15.

Fig. 17 is a perspective view of an electrical connector according to a fifth embodiment of the present invention.

Fig. 18 is a front view of fig. 17.

Fig. 19 is a perspective view of the electric connector according to the sixth embodiment of the present invention.

Fig. 20 is a front view of fig. 19.

Detailed Description

Exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings. If several embodiments exist, the features of these embodiments may be combined with each other without conflict. When the description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The description set forth below in the exemplary detailed description does not represent all embodiments consistent with the present invention; rather, they are merely examples of apparatus, products, and/or methods consistent with certain aspects of the invention, as recited in the claims of the invention.

The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention. As used in the specification and claims of this application, the singular form of "a", "an", or "the" is intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the terms "first," "second," and the like as used in the description and in the claims of the present invention do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. Unless otherwise indicated, the terms "front," "back," "up," "down," and the like in the description of the invention are used for convenience of description and are not limited to a particular position or spatial orientation. The word "comprise" or "comprises", and the like, is an open-ended expression meaning that an element that precedes "includes" or "comprising" includes "that the element that follows" includes "or" comprises "and its equivalents, that do not preclude the element that precedes" includes "or" comprising "from also including other elements. If the utility model discloses in appear "a plurality of", its meaning indicates two and more than two.

Referring to fig. 1 to 4, the present invention discloses an electrical connector 100 for mounting on a circuit board (not shown). The electrical connector 100 can be used in devices such as switches, servers, data centers, etc. to transmit data. The electrical connector 100 includes an insulative housing 1, a shielding shell 2 covering the insulative housing 1, and a plurality of conductive terminals 3 extending into the insulative housing 1.

Referring to fig. 3 and 4, the insulating housing 1 includes a mating surface 11, a mounting surface 12 opposite to the mating surface, and a frame portion 13. The frame portion 13 includes a first wall portion 131, a second wall portion 132 provided to face the first wall portion 131, a third wall portion 133 connecting one sides of the first wall portion 131 and the second wall portion 132, and a fourth wall portion 134 connecting the other sides of the first wall portion 131 and the second wall portion 132. The first wall 131, the second wall 132, the third wall 133 and the fourth wall 134 together define a slot 130 for receiving a portion of the docking connector 200 (see fig. 9). The slot 130 extends through the mating surface 11. The first wall portion 131 is provided with a plurality of first terminal grooves 1311, and the second wall portion 132 is provided with a plurality of second terminal grooves 1321. The housing 1 includes a plurality of positioning posts 121 protruding rearward from the mounting surface 12 for mounting the electrical connector 100 on a circuit board. The third wall portion 133 is provided with a first recess 1331 and the fourth wall portion 134 is provided with a second recess 1341. The bottom surface of the second wall portion 132 is further provided with a recessed portion 1322 recessed toward the first wall portion 131 to match with the mating connector 200.

Referring to fig. 3 to 5, in the illustrated embodiment of the present invention, the shielding shell 2 is made of a metal material. The shielding case 2 includes a first case portion 21, a second case portion 22 opposite to the first case portion 21, a third case portion 23 connecting one sides of the first case portion 21 and the second case portion 22, and a fourth case portion 24 connecting the other sides of the first case portion 21 and the second case portion 22. The first housing part 21 abuts against the first wall part 131, the first housing part 21 being provided with a first outer surface 211 (e.g. a top surface). The first housing portion 21 further has a plurality of first mounting feet 212 extending rearward beyond the mounting surface 12, and the first mounting feet 212 are used for mounting the electrical connector 100 on a circuit board. The second housing part 22 projects forwardly of the first housing part 21. The second housing portion 22 is spaced apart from the second wall portion 132 by a certain distance, so as to form a receiving groove 20 (see fig. 1 and 2) between the second housing portion 22 and the second wall portion 132, wherein the receiving groove 20 is used for receiving a portion of the mating connector 200. The second housing portion 22 further has at least one locking hole 221 communicating with the receiving slot 20, the locking hole 221 is used for locking with the locking protrusion of the mating connector 200, so as to ensure that the electrical connector 100 and the mating connector 200 are reliably connected together, and prevent them from being separated improperly. The receiving groove 20 is located outside the insertion groove 130, and the receiving groove 20 is independent of the insertion groove 130. In the illustrated embodiment of the present invention, the accommodating groove 20 and the insertion groove 130 are separated by the second wall 132.

The first outer surface 211 and the receiving groove 20 are respectively located at two sides (e.g., upper side and lower side) of the inserting groove 130. The second housing portion 22 has second mounting legs 222 extending rearward beyond the mounting surface 12, and the second mounting legs 222 are used to mount the electrical connector 100 on a circuit board. In addition, the third housing portion 23 is provided with a first retaining piece 231 that is retained in the first groove 1331, and the fourth housing portion 24 is provided with a second retaining piece 241 that is retained in the second groove 1341, so as to prevent the shielding housing 2 from being separated from the insulating housing 1. In addition, the third housing part 23 and/or the fourth housing part 24 are provided with protruding

pieces

232 and 242 engaged with the insulating main body 1 to further prevent the shielding housing 2 from being detached from the insulating main body 1.

Referring to fig. 6 to 8, in the illustrated embodiment of the present invention, the electrical connector 100 includes a first terminal module 31 and a second terminal module 32 mounted on the insulating housing 1, wherein the first terminal module 31 has a first insulating block 311 and a plurality of first conductive terminals 312 fixed to the first insulating block 311; the second terminal module 32 has a second insulating block 321 and a plurality of second conductive terminals 322 fixed to the second insulating block 321. The first conductive terminal 312 includes a plurality of first resilient arms 3121 corresponding to the first terminal groove 1311 and protruding the first wall portion 131; the second conductive terminal 322 includes a plurality of second elastic arms 3221 corresponding to the second terminal slots 1321 and protruding out of the second wall 132. The first elastic arm 3121 and the second elastic arm 3221 both extend into the insertion slot 130 and are provided with a contact portion 33 for mating with the docking connector 200.

Referring to fig. 6 to 8, a spacing slot 34 is formed between the first insulating block 311 and the second insulating block 321, and the electrical connector 100 further includes a grounding piece 4 installed in the spacing slot 34 and a positioning block 5 installed in the grounding piece 4. In the embodiment of the present invention, the conductive terminals 3 are provided with signal terminals and ground terminals. The grounding member 4 has a U-shaped cross section, and includes a first extending wall 41, a second extending wall 42 opposite to the first extending wall 41, and a connecting wall 43 connecting the first extending wall 41 and the second extending wall 42. The first extension wall 41 and/or the second extension wall 42 are in contact with a ground terminal. In addition, the first extension wall 41 and the second extension wall 42 are provided with protruding

strips

411 and 421 respectively pressed against the first insulation block 311 and the second insulation block 321 to increase the holding force. In addition, the ground contact member 4 is provided with a positioning groove 44 opened rearward. In the illustrated embodiment of the present invention, the positioning block 5 includes a main body 51 clamped in the positioning groove 44 and side portions 52 located at two ends of the main body 51. The side portions 52 extend right and left to protrude from the ground contact 4.

In the illustrated embodiment of the present invention, the first outer surface 211 of the electrical connector 100 is disposed on the first housing portion 21 of the shielding housing 2. Of course, in other embodiments, the first outer surface 211 of the electrical connector 100 may also be disposed on the insulative housing 1 (e.g., the top surface of the insulative housing 1). The electrical connector 100 further includes a fool-proof protrusion 6 protruding from the first outer surface 211 along a direction perpendicular to the plugging direction of the mating connector 200 (e.g., a vertical direction), wherein the fool-proof protrusion 6 is used to prevent the mating connector 200 from being inserted into the electrical connector 100 at a wrong angle. Referring to fig. 9 and 10, in the illustrated embodiment of the present invention, the docking connector 200 has a tongue plate 201 and a positioning tab 202, and the tongue plate 201 is parallel to the positioning tab 202 and is located at one side (e.g., upper side or lower side) of the positioning tab 202. The tongue plate 201 is provided with a plurality of conductive strips (not shown) for mating with the contact portion 33 of the electrical connector 100. Referring to fig. 9, when the mating connector 200 is inserted into the electrical connector 100 at a normal angle, the tongue plate 201 is inserted into the slot 130 and contacts the conductive plate with the conductive terminal 3, and the positioning tab 202 is inserted into the receiving slot 20. Referring to fig. 10, when the mating connector 200 is inserted into the electrical connector 100 at a wrong angle (for example, the mating connector 200 is turned over by 180 degrees), the tongue plate 201 corresponds to the position of the slot 130, and the positioning tab 202 is located on a side of the first housing portion 21 away from the slot 130. At this time, the fool-proof protrusion 6 is located on the insertion path of the positioning tab 202, so that the positioning tab 202 can be blocked to prevent the docking connector 200 from being inserted into the electrical connector 100 at a wrong angle. Preferably, the fool-proof projection 6 is arranged close to the mating surface 11, so that it can be prevented as soon as possible when the mating connector 200 is inserted at the wrong angle.

Referring to fig. 1 to 5, in a first embodiment of the present invention, the fool-proof protrusion 6 is integrally formed with the shielding shell 2. For example, the fool-proof protrusion 6 is integrally stamped from the first housing portion 21, so as to save cost. Specifically, the first housing portion 21 is provided with a first end surface 213 close to the abutting surface 11, the first housing portion 21 is provided with a slot 214 corresponding to the fool-proof protrusion 6, and the slot 214 penetrates through the first end surface 213. Referring to fig. 5, in the illustrated embodiment of the present invention, the fool-proof protrusion 6 is in a cantilever shape and includes an inclined portion 61 connected to the first housing portion 21 and a horizontal portion 62 extending forward from the inclined portion 61. The horizontal portion 62 is a free end of a cantilever. With this arrangement, when the mating connector 200 is inserted into the electrical connector 100 at a wrong angle, the horizontal portion 62 only generates a horizontal force, thereby reducing the risk of the fool-proof protrusion 6 being bent over and failing by the mating connector 200. In the first embodiment of the present invention, the fool-proof protrusion 6 is one and located in the middle of the first housing portion 21.

Referring to fig. 11 and 12, in a second embodiment of the present invention, two fool-proof protrusions 6 are symmetrically disposed along a center line of the first housing portion 21.

Referring to fig. 13 and 14, in a third embodiment of the present invention, the fool-proof protrusion 6 is one and is formed by punching upward from the first housing portion 21. The fool-proof protrusion 6 is connected to the first housing portion 21 at all sides, i.e., the fool-proof protrusion 6 is an upward protrusion. The fool-proof protrusion 6 has a circular arc-shaped surface to reduce damage to the counterpart connector 200 when the counterpart connector 200 is inserted at an incorrect angle. In the third embodiment of the present invention, the structural strength of the fool-proof protrusion 6 is high.

Referring to fig. 15 and 16, in a fourth embodiment of the present invention, the fool-proof protrusion 6 is one and is formed by punching upward from the first housing portion 21. Prevent slow-witted protruding 6 the left and right sides both ends all with first casing portion 21 links to each other, prevent that slow-witted protruding 6's rear end face 63 is followed tear on the first casing portion 21. With this arrangement, the structural strength of the fool-proof protrusion 6 can be improved, preventing it from being damaged by the counterpart connector 200.

Referring to fig. 17 and 18, in a fifth embodiment of the present invention, the fool-proof protrusion 6 is integrally formed with the insulating housing 1. The first housing portion 21 is provided with an opening 215, and the fool-proof protrusion 6 passes through the opening 215 to be located on the first outer surface 211.

Referring to fig. 19 and 20, in a sixth embodiment of the present invention, the fool-proof protrusion 6 is separately provided from the first housing portion 21 and fixed to the first housing portion 21. The fool-proof protrusion 6 may be fixed to the first housing portion 21 by various means such as welding, adhering, clamping, etc. The foolproof protrusion 6 may be made of metal, plastic or other material having a certain hardness.

The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present invention should be based on the technical personnel in the technical field, although the present specification has been described in detail with reference to the above embodiments, however, the skilled in the art should understand that the technical personnel in the technical field can still modify the present invention or substitute the same, and all technical solutions and modifications thereof that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

Claims

1. An electrical connector (100), comprising:

the connector comprises an insulating body (1) and a connector body, wherein the insulating body comprises a butting surface (11) and a slot (130) which penetrates through the butting surface (11) and is used for accommodating a part of a butting connector (200);

a number of conductive terminals (3), the conductive terminals (3) including contact portions (33) exposed to the socket (130); and

the shielding shell (2), the shielding shell (2) is shielded on the insulating body (1), an accommodating groove (20) for accommodating a part of butting connector (200) is formed between the shielding shell (2) and the insulating body (1), and the accommodating groove (20) is positioned outside the slot (130);

the method is characterized in that: the electric connector (100) further comprises a first outer surface (211) and a fool-proof protrusion (6) protruding from the first outer surface (211) along a direction perpendicular to the plugging direction of the butting connector, the first outer surface (211) and the receiving groove (20) are respectively located at two sides of the slot (130), and the fool-proof protrusion (6) is used for preventing the butting connector (200) from being inserted into the electric connector (100) at a wrong angle.

2. The electrical connector (100) of claim 1, wherein: the fool-proof bulge (6) is arranged close to the butt joint surface (11).

3. The electrical connector (100) of claim 1, wherein: the shielding shell (2) comprises a first shell part (21), and the first outer surface (211) is arranged on the first shell part (21);

the fool-proof bulge (6) and the shielding shell (2) are integrally formed; or the fool-proof bulge (6) and the insulation body (1) are integrally formed; or the fool-proof protrusion (6) and the first shell part (21) are separately arranged and fixed on the first shell part (21).

4. The electrical connector (100) of claim 3, wherein: the shielding shell (2) is made of metal materials, and the fool-proof bulge (6) is formed by integrally punching the first shell part (21).

5. The electrical connector (100) of claim 4, wherein: first casing portion (21) are equipped with and are close to first terminal surface (213) of butt joint face (11), first casing portion (21) are equipped with corresponding to prevent slow-witted fluting (214) of protruding (6), fluting (214) run through first terminal surface (213).

6. The electrical connector (100) of claim 3, wherein: fool-proof protrusion (6) and insulator (1) integrated into one piece, first casing portion (21) is equipped with trompil (215), fool-proof protrusion (6) pass trompil (215) in order to be located on first surface (211).

7. The electrical connector (100) of claim 3, wherein: the insulation body (1) comprises a first wall part (131) and a second wall part (132) arranged opposite to the first wall part (131), and the insertion groove (130) is positioned between the first wall part (131) and the second wall part (132);

the shielding shell (2) comprises a second shell portion (22) opposite to the first shell portion (21), the first shell portion (21) shields the first wall portion (131), the second shell portion (22) shields the second wall portion (132), the accommodating groove (20) is located between the second wall portion (132) and the second shell portion (22), the second shell portion (22) is provided with at least one locking hole communicated with the accommodating groove (20), and the locking hole is used for being locked with the butting connector (200).

8. The electrical connector (100) of claim 7, wherein: the electric connector (100) comprises a first terminal module (31) and a second terminal module (32) which are mounted on the insulating body (1), wherein the first terminal module (31) is provided with a first insulating block (311) and a plurality of first conductive terminals (312) fixed on the first insulating block (311), the second terminal module (32) is provided with a second insulating block (321) and a plurality of second conductive terminals (322) fixed on the second insulating block (321), the first conductive terminals (312) comprise a plurality of first elastic arms (3121) protruding out of the first wall portion (131) and extending into the slot (130), and the second conductive terminals (322) comprise a plurality of second elastic arms (3221) protruding out of the second wall portion (132) and extending into the slot (130).

9. The electrical connector (100) of claim 8, wherein: a spacing groove (34) is formed between the first insulating block (311) and the second insulating block (321), and the electrical connector (100) further comprises a grounding piece (4) installed in the spacing groove (34).

10. The electrical connector (100) of claim 9, wherein: the cross section of the grounding piece (4) is U-shaped and is provided with a positioning groove (44); the electric connector (100) further comprises a positioning block (5) clamped in the positioning groove (44).