Electrical connector

Electrical connector

The present invention relates to a connector, and more particularly to an electrical connector between electronic devices.

With the continuous development of electronic products, the connections between various electronic products and their peripheral devices are more and more frequent, and the electronic products and their peripheral devices are usually connected by electrical connectors, so the frequency of use of the electrical connectors It also increases. The wide application of electrical connectors in the electronics field not only makes users more and more demanding for their quality, but also the production of electrical connectors from manufacturers has gradually changed from small-scale production to large-scale mass production.

The prior art electrical connector includes a metal housing, an insulative body, and a plurality of electrically conductive terminals. A plurality of terminal slots are defined in the insulating body, and the terminal slots receive and fix the conductive terminals; the metal casing covers the insulating body and the conductive terminals, so that the insulating body and the conductive terminals are protected from external devices, and one end of the metal casing is formed The opening, the external connector can be connected to the electrical connector through the opening to realize the function of the electrical connector. The electrical connector is typically connected to the circuit board by a soldering operation such that the metal housing is secured to the circuit board and the conductive terminals are electrically connected to the circuit board. As is known to all, the welding process is not only complicated and complicated, but also prone to the situation of virtual soldering, so that the connection is not strong enough; in addition, when the electrical connector can not be used normally due to accidental damage, the soldered electrical connector is replaced on the circuit board. Not only is it difficult, the operation is not easy, and it is easy to damage the circuit board, which brings great inconvenience to the use. In the assembly process of the above electrical connector, the conductive terminal, the insulating body and the metal casing are assembled in sequence, so that the assembly process is slow to be disadvantageous for large-scale production. In addition, the outer casing used in the electrical connector is a metal casing, which not only requires high material cost, but also the connection between the metal casing and the plastic is not strong enough, and the external connector is not properly connected.

The purpose of the present invention is to provide an electrical connector for the above problems. The electrical connector does not need to be connected to the circuit board by soldering, and the replacement is convenient and quick, and the use is more convenient; the assembly process is simple and the process is small, and the assembly is assembled in large-scale mass production. Fast and accurate, increasing production efficiency; and the material used is low in cost and reduces production costs.

To achieve the above object, the electrical connector provided by the present invention is adapted to be mounted on a circuit board, the electrical connector comprising an insulating housing and a connection module, the upper and lower end faces of the insulating housing and the two sides connecting the upper and lower end faces Enclosing a receiving cavity, the front end of the receiving cavity is open to form a pair of interfaces, the upper end surface of the insulating shell is opposite to the circuit board, and the connecting module is received in the receiving cavity, and the connecting module comprises an insulating body, a plurality of conductive terminals and a grounding terminal. The conductive terminal and the grounding terminal are both fixed on the insulative housing to form an integral structure with the insulative housing. The conductive terminal and the grounding terminal both have a connecting portion bent toward the circuit board, and the connecting portion elastically resists the circuit board, and the two sides of the insulating body The protrusions are respectively formed by protrusions, and the through holes for receiving the protrusions are formed on the insulating housing.

As described above, both the conductive terminal and the ground terminal of the present electrical connector have a connecting portion bent toward the circuit board, and the connecting portion elastically abuts against the circuit board, so the connection between the present electrical connector and the circuit board is not Need to pass the welding operation, not only saves the complicated and complicated welding operation in the production process, but also can replace the electrical connector on the circuit board conveniently and quickly, so that the use is more convenient; in addition, the two sides of the insulating body respectively protrude and form a convex The insulative housing is provided with a through hole for receiving the protrusion, and the protrusion and the through hole are engaged with each other to firmly fix the connection module on the insulative housing to complete the assembly work of the electrical connector, so the electrical connector The assembly is simple, fast and accurate. The manufacturer can save manpower and material resources and improve production efficiency during the assembly process. Moreover, the insulated casing used is low in cost, saving resources for the manufacturer and reducing the production cost of the electrical connector.

In order to explain in detail the technical contents, structural features, achieved objects and effects of the present invention, the following description will be described in detail in conjunction with the embodiments.

Referring to the first and second figures, the present invention includes an insulative housing 100, a metal plate 150 and a connection module 200. The connection module 200 is composed of an insulative housing 210, a plurality of conductive terminals 220 and a ground terminal 230. . The insulating housing 100 has a hollow receiving cavity 140. The receiving cavity 140 receives and fixes the connection module 200. The conductive terminal 220 and the ground terminal 230 are both fixed on the insulative housing 210 so as to be integrated with the insulative housing 210. The two sides of the insulative housing 100 are respectively formed with a through hole 131, and the protrusion 211 is received in the through hole 131 so as to be connected to the module. The metal plate body 150 is fixedly mounted in the receiving cavity 140 of the insulating housing 100 and connected to the connection module 200.

Specifically, please refer to the third to sixth figures in combination. The insulating casing 100 is a plastic insulating casing, which is inexpensive and has good toughness, and can effectively protect its internal components from the outside. The insulative housing 100 includes an upper end surface 110, a lower end surface 120, and opposite side surfaces 130 connecting the upper end surface 110 and the lower end surface 120. The upper end surface 110, the lower end surface 120 and the two side surfaces 130 of the insulative housing 100 are enclosed in a hollow receiving cavity 140, and the front end of the receiving cavity 140 is open to form a pair of interfaces 141, and the interface 141 is connected to the receiving cavity 140, and the external connector can be The electrical connector is connected by inserting the interface 141 into the receiving cavity 140. The upper end surface 110 of the insulative housing 100 faces the circuit board. The upper end surface 110 defines a plurality of card slots 111, and the card slots 111 extend through the upper end surface 110. A first through slot 121 is defined in the lower end surface 120 of the insulative housing 100, and a notch 122 is formed in the recess adjacent to the first through slot 121. The first slot is formed in the lower end surface 120 away from the end of the interface 141. 123 and the second notch 124 (see the fourth figure). A through hole 131 is defined in each of the two side faces 130 of the insulative housing 100.

A second through slot 151 is defined in the metal plate body 150. The second through slot 151 communicates with the first through slot 121 on the insulative housing 100. The metal plate body 150 protrudes downwardly adjacent to the second through slot 151 to form a tab. 152 (see FIG. 5), the tab 152 is snapped into the notch 122 of the insulative housing 100, so that the metal plate 150 is fixedly attached to the lower end surface 120 of the insulative housing 100, and the metal plate 150 not only reinforces the insulative housing 100. The strength of the external connector can effectively prevent the external connector from rubbing and damaging the lower end surface 120 when the interface 141 is inserted into the receiving cavity 140, thereby prolonging the service life of the electrical connector; in addition, the rear end of the metal plate 150 is convexly formed to form a conflict. Part 153.

The connection module 200 includes an insulative housing 210, a conductive terminal 220, and a grounding terminal 230. The conductive terminal 220 and the grounding terminal 230 are both fixed to the insulative housing 210, so that the connection module 200 has an integrated structure. The two sides of the insulative housing 210 are respectively protruded outwardly to form a protrusion 211. The protrusions 211 are respectively received in the through holes 131 of the insulative housing 100 to fix the connection module 200 in the receiving cavity 140 of the insulative housing 100. . The lower end surface of the insulative housing 210 protrudes downward to form a first bump 212 and a second bump 213 (see FIG. 6 ), respectively, and the first bump 212 and the second bump 213 respectively correspond to the first on the insulative housing 100 A notch 123 and the second notch 124 are coupled to each other so that the connection module 200 is more firmly fixed in the receiving cavity 140 of the insulative housing 100. In addition, the abutting portion 153 of the metal plate 150 is opposite to the second protrusion 213. In contrast, when the external connector is inserted into the receiving cavity 140 of the insulative housing 100, the metal plate body 150 can be prevented from sliding backward out of the receiving cavity 140.

Referring to the third and sixth figures, the conductive terminal 220 and the grounding terminal 230 are respectively bent and extended toward the upper end surface 110 of the insulative housing 100 to form a first connecting portion 221 and a second connecting portion 231, and the first connecting portion 221 and the second connecting portion 221 The connecting portion 231 is engaged with the slot 111 on the upper end surface 110, and protrudes upwardly from the upper end surface 110, and the circuit board is pressed on the upper end surface 110, so that the first connecting portion 221 and the second connecting portion 231 are The circuit board is elastically in contact with the electrical connection; the other end of the conductive terminal 220 extends toward the interface 141 and is fixed to the insulative housing 210 to facilitate connection with the conductive terminal of the external connector; the other end of the ground terminal 230 passes through the insulative housing. And extending into the receiving cavity 140 to form a contact portion 232, the contact portion 232 enters the receiving cavity 140 through the second through groove 151 and is in contact with the metal plate body 150; when the external connector is inserted into the receiving cavity 140 through the interface 141 When the inner portion, the contact portion 232 or the metal plate body 150 will be in contact with the grounding terminal or the metal casing of the external connector, thereby preventing the electrical connector and the external connector from being damaged by electric shock, and ensuring that the electrical connector works normally; The board body 150 is attached to the lower end surface 120, and the contact surface of the metal shell of the external connector and the grounding terminal 230 is increased to be grounded accurately through the grounding terminal 230; if the external connector is additionally provided with a grounding terminal, The grounding terminal is in contact with the contact portion 232 and is received in the first through slot 121 and the second through slot 151 so as not to affect the normal connection between the external connector and the electrical connector.

The assembly process of the present electrical connector will be described below with reference to the third to sixth figures. First, the metal plate body 150 is mounted, and the metal plate body 150 is attached to the lower end surface 120 of the insulative housing 100, so that the second through groove 151 is aligned with the first through groove 121 and the tab 152 is inserted into the notch 122. Then, the connection module 200 is mounted in the insulative housing 100, and the connection module 200 is inserted into the receiving cavity 140 from the rear end of the insulative housing 100, so that the protrusion 211 is received in the through hole 131, and the first bump is The second and second bumps 213 and 213 are respectively coupled to the first slot 123 and the second slot 124 of the lower end surface 120 to fix the connection module 200 in the receiving cavity 140 of the insulative housing 100. The first connecting portion 221 of the conductive terminal 220 and the second connecting portion 231 of the grounding terminal 230 are respectively engaged in the card slot 111 of the upper end surface 110 and protrude from the upper end surface 110 to pass the contact portion 232 of the grounding terminal 230. The second through groove 151 is in contact with the metal plate body 150. Finally, the insulative housing 100 is fixed to the circuit board, and the first connecting portion 221 and the second connecting portion 231 are elastically contacted with the circuit board to be electrically connected to the circuit board. So far, the present electrical connector is assembled, and the external connector can be inserted into the receiving cavity 140 through the pair of interfaces 141 of the insulating housing 100 to connect with the electrical connector to realize the function of the electrical connector.

As described above, the conductive terminal 220 and the ground terminal 230 of the present electrical connector are elastically in contact with the circuit board, so that the electrical connection with the circuit board can be realized without a soldering operation; and in the assembly process, only the connection is required. The assembly of the electrical connector is completed by mounting the module 200 into the receiving cavity 140 of the insulative housing 100. Therefore, the electrical connector assembly process is simple and the number of processes is small, which can save manpower and material resources in the assembly process, reduce the production cost of the electrical connector, and improve the production efficiency; and the user is more convenient and quick to replace the electrical connector, thereby making the use more convenient.

<p>100Insulated casing</p><p>110 upper end</p><p>111 card slot</p><p>120 lower end</p><p>121 first through slot</p><p>122 gap</p><p>123first notch</p><p>124second notch</p><p>130 side</p><p>131through hole</p><p>140 containment chamber</p><p>141 interface</p><p>150Metal plate</p><p>151Second trough</p><p>152 tongue</p><p>153Interference Department</p><p>200Connecting module</p><p>210Insulated body</p><p>211 bumps</p><p>212First bump</p><p>213second bump</p><p>220Electrical terminals</p><p>221First Connection</p><p>230 Grounding terminal</p><p>231Second connection</p><p>232Contacts</p>

The first figure is a perspective view of an embodiment of a creative electrical connector.

The second figure is a perspective view of another angle of the electrical connector shown in the first figure.

The third figure is an exploded view of the electrical connector shown in the first figure.

The fourth figure is a schematic structural view of the insulating housing of the electrical connector shown in the first figure.

The fifth figure is a schematic structural view of the metal plate body of the electrical connector shown in the first figure.

The sixth figure is a schematic structural view of the connection module of the electrical connector shown in the first figure.