Electrical connector

Electrical connector

This creation is about an electrical connector, especially a miniature electrical connector.

Generally, electrical connectors are used for mating with butting connectors, and it is inevitable that the electrical connector and the mating connector need to be plugged and unplugged during the butting. Generally, the electrical connector has a relatively strong structure due to its relatively large volume, and under normal circumstances, the electrical connector and the mating connector will not be damaged due to excessive force or improper force. Nowadays, with the miniaturization trend of various electronic products, the corresponding electrical connectors also need to be correspondingly miniaturized, so miniature electrical connectors are used in various miniature electronic products, and miniature electrical connectors are easily damaged due to their small size and When mating with the mating connector, a plugging action is required, and at this time, the electrical connector is often damaged due to excessive force or improper force. The mating connector matched with the electrical connector is generally located inside the electronic product, that is, the electronic product cannot continue to be used due to the damage of the connector.

Therefore, there is a need for an electrical connector with a new structure. When the electrical connector is mated with the mating connector, it will damage itself before the connector installed inside the electronic product is damaged, so as to protect the electronic product from being damaged.

The purpose of this creation is to provide an electrical connector that can protect the butt connector.

In order to achieve the aforementioned purpose, the electrical connector of the present invention is used to be connected to the mating connector, and has an insulating body, a plurality of terminals accommodated in the insulating body, and a metal shell covering the insulating body, wherein the metal shell It has a main body, a mating part, and a connecting part for connecting the main body and the mating part. The connecting part extends from a side surface of the main body. Through the connecting part, the mating part is flexible relative to the main body. There is also at least one notch on the part for reducing the rigidity of the connecting part and increasing the flexibility of the connecting part.

Compared with the prior art, the electrical connector of this invention has the following effects: the electrical connector can protect the mating connector from damage during the mating process with the mating connector.

Please refer to the first to fourth figures, the electrical connector 100 of the present invention has a metal shell 1, an insulating body 2, a locking portion 3, a terminal set 4 and a blocking block 5. The metal housing 1 includes an upper housing 11 and a lower housing 12. The upper housing 11 includes a main body 111, a connecting portion 115, and a docking portion 112. The main body 111 has an upper plane 113, two side surfaces 114, and a cutout (not labeled). ) On the bottom surface 117 of the upper surface 113 of the upper shell 11 is provided with a pair of first notches 1130 and second notches 1131, both sides 114 are provided with a first opening 1140 and a second opening 1141, the bottom surface 117 is provided with a For the elastic sheet 1170 formed by stamping inward, the elastic sheet 1170 can be deflected under the action of external force. The bottom surface 117 is provided with a slit to make the upper shell 11 elastic. The connecting portion 115 is used to connect the main body 111 and the butting portion 112. The connecting portion 115 In order to extend from the upper plane 113 of the upper casing 11, it can of course also extend from other sides of the upper casing 11. With this structure, the docking portion 112 can be made flexible with respect to the main body portion 113, and the connecting portion 115 is also provided Two gaps 116 for reducing the rigidity of the connecting portion 115. The butting portion 112 is used for butting a butting connector (not shown). The butting portion 112 has a cylindrical receiving portion 118, and the front end surface (not numbered) of the cylindrical receiving portion 118 has A D-shaped butting surface (not numbered) extends backward from two side surfaces (not numbered) of the cylindrical receiving portion 118 to form a pair of positioning pieces 1181, and a pair of openings 1180 are provided on the cylindrical receiving portion 118.

The lower casing 12 includes a bottom surface 121, a front surface 123, a rear surface 122, and two side surfaces 124. The five surfaces enclose a receiving space (not numbered) with an upward opening. The rear surface 122 of the lower casing 12 has a cable receiving hole. 1220, on the two side surfaces 124 of the lower casing 12 and the positions corresponding to the first opening 1140 and the second opening 1141 of the upper casing 11 are respectively provided with inwardly stamped protrusions 1240 and a third opening 1241, and the lower casing The bottom surface 12 of 12 also has a third notch 125 corresponding to the second notch 1131 of the upper plane 113 of the upper casing 11.

The terminal set 4 includes a plurality of terminals. As shown in the second figure, each terminal has a contact portion 43, a tail portion 41, and a clamping portion 42 connecting the contact portion 43 and the tail portion 41. The terminal set 4 includes signal terminals and power terminals. The tails 41 of the terminals in the adjacent terminal groups 4 are arranged up and down, so that the spacing between the tails 41 of adjacent terminals is enlarged, and it is convenient for welding and other operations with the core wire of the cable.

The locking part 3 is composed of two components with the same structure, which has a locking arm 31, a clamping arm 32 and an elastic part 33. The end of the locking arm 31 is provided with a locking buckle 35 and a guide surface located on the outer side of the locking buckle 35 36. The guiding surface 36 is an inclined surface with a certain angle. The inner side of the lock 35 is a plane (not numbered) perpendicular to the lock arm 31. The lower clamping block 37 and the For the latches (not numbered) that are clamped in the insulating body 21, an upper clamping block 34 is provided on the locking arm 31 to be aligned with the lower clamping block 37.

The insulating body 2 includes a base 21 and a tongue 22. Both sides (not numbered) of the base 21 are provided with clamping blocks 212, and the middle of the base 21 is provided with a plurality of first accommodating arms 42 for accommodating the terminal set 4 A channel 211, the first receiving channel 211 penetrates the base 21, and a pair of first receiving grooves 213 for receiving the locking part 3 are provided on both outer sides of the first receiving channel 211. A pair of positioning blocks 214 arranged in mirror images are provided on the front of the base 21, located on the two outer sides of the first receiving groove 213, and the positioning block 214 has a stepped receiving portion 216 for positioning the mating portion 112 of the upper casing 11. Corresponding upper interference holes 215 and lower interference holes (not shown) are respectively provided on the upper and lower sides of the base 21, wherein the upper interference hole 215 communicates with the first receiving passage 211, and the lower interference hole is connected to the first receiving passage 211 isolation. The tongue 22 is formed extending forward from the base 21, and is provided with a plurality of second receiving passages 221 communicating with the first receiving passage 211 for receiving the contact portion 43 of the terminal set 4. The two outer sides of the tongue 22 (not labeled) The two outer sides of the card 222 and the tongue 22 form a pair of second receiving slots 223 for receiving the ends of the locking arms 31 of the locking portion 3, respectively. The two receiving slots can only be restricted in the lateral direction. The displacement of the locking arm 31 cannot limit the displacement of the locking arm 31 in the vertical direction. The tongue 22 is provided with an end (not numbered) corresponding to the D-shaped butting surface of the butting portion 112.

The blocking block 5 includes a blocking portion 51 and an abutting portion 52. The blocking block 5 is received in the interference hole 215 on the insulating body 2.

Please refer to the fifth to seventh figures. During assembly, the plurality of terminals of the terminal set 40 are respectively accommodated in the corresponding first receiving channel 211 and the second receiving channel 221 of the insulating body 2, wherein the terminals of the terminal set 4 The holding portion 42 is received in the first receiving channel 211 of the base 21, the contact portion 43 is received in the second receiving channel 221 of the tongue 22, and the tail portion 41 of the terminal set 4 is exposed outside the insulating body 2. The blocking block 5 is inserted into the insulating body 2 from the interference hole 215 on the insulating body 2, the abutting portion 52 of the blocking block 5 abuts the terminal set 4, the blocking portion 51 is clamped in the upper interference hole 215, and the blocking portion 5 is above The plane (not numbered) is slightly lower than the upper plane of the base 21 of the insulating body 2, that is, the upper plane of the blocking portion 5 and the four walls of the upper interference hole 215 constitute a receiving space. The locking parts 3 are respectively inserted into the insulating body 2 from the first receiving groove 213 of the insulating body 2 from back to front. (Not numbered), so that the elastic portion 33 of the locking portion 3 is exposed outside the insulating body 2, the locking arm 32 of the locking portion 3 is locked to the base 21 of the insulating body 2, and the locking arm 31 passes through the insulating body 2 The base 21 allows the end of the locking arm 31 to be received in the second receiving groove 223 of the tongue 22. With this structure, the locking arm 31 can be held in the vertical direction by the holding arm 32 of the insulating body 2 It is the pivot deflection. The insulating housing 2 is inserted into the upper housing 11 from the rear end of the upper housing 11. The base 21 of the insulating housing 2 is accommodated in the main body 111 of the upper housing 11. When the insulating housing 2 is inserted into the upper housing 11, the elastic piece 1170 is affected by The bottom surface of the insulating body 2 is squeezed and deflected downward so that the insulating body 2 can be inserted into the upper housing 11 smoothly. After the insulating body 2 is fully inserted into the upper housing 11, two elastic pieces 1170 on the bottom surface 117 of the upper housing 11 Restore to the original state, and the two lower clamping blocks 37 of the lock portion 3 are respectively clamped on the two elastic pieces 1170 of the bottom surface 117 of the upper casing 11 to block the backward movement tendency of the lock portion 3, so that the lock portion 3 can Stably held on the insulating body 2. Since the bottom surface 117 is provided with a notch, the upper shell 11 is elastic, so that the two clamping blocks 212 of the base 21 of the insulating body 2 can be conveniently received in the second openings 1141 of the two side surfaces 114 of the upper shell 11, and the tongues 22 is accommodated in the cylindrical receiving portion 118 of the butting portion 112 of the upper shell 11, because the butting portion 112 of the upper shell 11 is flexible relative to the main body 111, and the connecting portion 115 connecting the butting portion 112 and the main body 111 is provided In order to reduce the rigidity of the connecting part 115, the gap 116 is suitable for It is easy to cause the mating part 112 to be damaged by excessive force or improper force when mating with the mating connector, thereby protecting the mating connector from damage. When the tongue 22 of the insulating body 2 is completely received in the cylindrical receiving part 118, the columnar shape The positioning piece 1181 of the receiving portion 118 is received in the step receiving portion 216 of the positioning block 214. The upper plane of the positioning block 214 abuts against the connecting portion 115 of the upper casing 11, and the upper surface of the step receiving portion 216 abuts against the upper casing 11 The butt portion 112, and the inner side surfaces of the two step receiving portions 216 respectively abut against the outer surfaces of the two side surfaces of the columnar receiving portion 118, and the rear end surface of the columnar receiving portion 118 abuts against the front surface of the base 21 of the insulating body 2, The positioning block 214 has the function of positioning and restricting the mating portion 112, and at the same time, it can detect whether the cylindrical receiving portion 118 and the tongue portion 22 are fully matched. The two upper catching blocks 34 of the lock portion 3 that are clamped on the rear end surface of the insulating body 2 are respectively located below a pair of first notches 1130 of the upper housing 11, and the two lock catches 35 of the lock portion 3 are respectively received in the upper The two openings 1180 of the mating portion 112 of the housing 11 are partially exposed to the outside of the upper housing 11 for engaging with the corresponding locking members of the mating connector. The lower shell 12 buckles the upper shell 11 from bottom to top, wherein the protrusions 1240 on the two side faces 124 of the lower shell 12 are respectively received in the first openings 1140 of the two side faces 114 of the upper shell 12, and are connected with the upper shell 12 The second openings 1140 of the two side surfaces 114 of the body 11 correspond to the third openings 1241 of the two side surfaces 124 of the lower casing 12 and are also clamped on the two clamping blocks 212 of the insulating body 2. 35 are respectively received in the two openings 1180 of the mating portion 112 of the upper housing 11, and partially exposed outside the upper housing 11, for engaging with the corresponding locking members of the mating connector. The lower shell 12 buckles the upper shell 11 from bottom to top, wherein the protrusions 1240 on the two side faces 124 of the lower shell 12 are respectively received in the first openings 1140 of the two side faces 114 of the upper shell 12, and are connected to the upper shell 12 The second openings 1140 of the two side surfaces 114 of the body 11 correspond to the third openings 1241 of the two side surfaces 124 of the lower casing 12 and are also clamped on the two clamping blocks 212 of the insulating body 2. 35 are respectively accommodated in the two openings 1180 of the mating portion 112 of the upper housing 11, and partially exposed outside the upper housing 11, for engaging with the corresponding locking members of the mating connector. The lower shell 12 buckles the upper shell 11 from bottom to top, wherein the protrusions 1240 on the two side faces 124 of the lower shell 12 are respectively received in the first openings 1140 of the two side faces 114 of the upper shell 12, and are connected to the upper shell 12 The second openings 1140 of the two side surfaces 114 of the body 11 correspond to the third openings 1241 of the two side surfaces 124 of the lower casing 12 and are also clamped on the two clamping blocks 212 of the insulating body 2.

In application, the tail 41 of the terminal set 4 of the electrical connector 100 is electrically connected to the core wire of the cable (not shown), and the cable passes through the cable receiving hole 1220 of the housing 12 under the metal housing 1 and enters In the metal shell 1, an insulating outer shell (not shown) is also covered outside the electrical connector 100, and an operating part (not shown) is also provided between the insulated outer shell and the upper shell 11 of the metal shell 1. ), this operating portion is provided with a pair of abutting feet that can be inserted into the first notch 1130 of the metal shell 1, the abutting feet can abut the two upper clamping blocks 34 of the buckle portion 3, that is, when the operating portion is pressed The lock arm 31 of the buckle part 3 can be deflected downward through the abutment foot and the upper clamping block 34, so that the part of the lock buckle 35 of the lock part 3 exposed outside the metal shell 1 is deflected downward to be completely contained in the columnar shape. Inside the accommodating part 118. When the electrical connector 100 is mated with the mating connector, the mating portion 112 of the electrical connector 100 is inserted into the mating connector, and the terminal set 4 of the electrical connector 100 is in electrical contact with the corresponding terminal of the mating connector, and the exposed part is locked. The buckle 35 of the buckle 3 will buckle with the corresponding buckle of the docking connector, and during the buckling process, the buckle of the docking connector will pass through the guide surface 36 of the buckle 3 to produce vertical to the buckle. The force in the straight downward and the horizontal backward direction, the force in the vertical direction deflects the locking arm 31 downward, so that the electrical connector 100 can be smoothly butted with the mating connector, and the force in the horizontal direction is due to the locking portion 3 The lower clamping block 37 is clamped by the elastic piece 1170 of the upper casing 11 to offset. When the electrical connector 100 exits from the docking connector, the lock 35 of the lock portion 3 is detached from the lock member of the docking connector by acting on the operating portion, and the electrical connector 100 is separated from the docking connector.

In summary, this creation has indeed met the requirements of a new patent, and Yan has filed a patent application in accordance with the law. However, the above descriptions are only the preferred implementations of this creation, and cannot be used to limit the scope of rights of this creation. All equivalent modifications or changes made by those with ordinary knowledge in the technical field based on the spirit of this creation are still covered in the scope of the appended patent application.

<p>100Electrical connector</p><p>11Upper shell</p><p>111Main body</p><p>112Docking Department</p><p>113Upper plane</p><p>1130First gap</p><p>114Side</p><p>1140First opening</p><p>115Connecting part</p><p>116Gap</p><p>117Bottom</p><p>1170Shrapnel</p><p>118Pillared Containment Department</p><p>1180Opening</p><p>1181Positioning film</p><p>12Lower shell</p><p>121Bottom</p><p>122Back</p><p>123front</p><p>124Side</p><p>124Side</p><p>1240 bump</p><p>2Insulation body</p><p>21Base</p><p>211First Containment Channel</p><p>212Card Holder Block</p><p>213First Containment Slot</p><p>214Locating block</p><p>215Upper interference hole</p><p>216Staircase Containment Department</p><p>22Tongue</p><p>221Second Containment Channel</p><p>222Card</p><p>223Second Containment Slot</p><p>3Lock part</p><p>31Lock arm</p><p>32Clip Arm</p><p>33Elasticity</p><p>34Upper card holder</p><p>35Lock</p><p>36Guide surface</p><p>37Down Card Holder Block</p><p>4Terminal group</p><p>41tail</p><p>42Card Holder</p><p>43Contact</p><p>5Block</p><p>51Blocking Department</p><p>52Abutment Department</p>

The first picture is a three-dimensional view of the electrical connector of this creation.

The second figure is a three-dimensional exploded view of the electrical connector of this creation.

The third figure is a three-dimensional exploded view of the electrical connector of this creation from another angle.

The fourth figure is a three-dimensional schematic diagram of the upper shell.

The fifth figure is a partial assembly diagram of the electrical connector of this creation. At this time, the upper and lower shells have not been installed.

The sixth figure is a partial assembly diagram of the electrical connector of this creation, and the lower shell has not been installed at this time.

The seventh figure is a partial assembly diagram of the electrical connector of the invention from another angle as shown in the fifth figure.