CN206340727U - electrical connector - Google Patents

Abstract

The utility model discloses an electric connector, wherein two sides of a base of a seat body extend in the same direction to form support arms, a butt joint space is formed between the base and the two support arms, a penetrating part is arranged at the bottom of the base, at least one butt joint plate extending into the butt joint space is arranged on the wall surface in front of the base and above the penetrating part, a plurality of conductive terminals are positioned on the surface of the butt joint plate, one side of the circuit board is provided with an inserting part positioned on the penetrating part and extending into the butt joint space, two sides of the inserting part are inwards provided with a cutting groove for positioning the two support arms, the upper surface and the lower surface of the inserting part are respectively provided with a plurality of upper row terminals and a plurality of lower row terminals, at least one flat part superposed on the lower part of the butt joint plate is formed on the surface of the inserting part and positioned between the plurality of upper row terminals, a plurality of contacts for welding the plurality of conductive terminals are arranged at, the overall height can be reduced to meet the requirements of lightness, thinness, shortness and smallness, thereby achieving the purpose of reducing the overall manufacturing cost.

Description

electrical connector

technical field

The utility model relates to an electrical connector, in particular to two sides of a base of a seat body with support arms extending in the same direction, and a docking space is formed between the base and the two support arms. The circuit board that extends into the docking space is directly passed through to reduce the overall height, thereby reducing the manufacturing cost.

Background technique

In the era of continuous innovation and progress of science and technology, the manufacture, production or use of many new era products are closely related to electronic technology, and more and more products have reached a more perfect state through innovative methods and superb skills of electronic technology, so in life There are many items around the environment that are inseparable from electronic technology. Therefore, computers have become a product of the new era that modern people must use. Computers are used in work, life and entertainment, and computers have become a part of modern life. Indispensable product.

In addition, computers include two types of desktop computers and notebook computers. For notebook computers, they are all developing in the direction of lightness, thinness, shortness, and smallness, so as to be convenient for users to carry and use. Therefore, the volume size of notebook computers is limited. There are many restrictions, and the space for setting various electronic components inside is also relatively reduced, so it is necessary to use the limited space inside the notebook computer to assemble various electronic components required by the notebook computer. Wherein, the hard disk is used for storing various programs, As an important component of data, when the hard disk is assembled on the motherboard of the notebook computer, the connection interface on the hard disk must be used to connect and combine with the electrical connector on the motherboard, so as to use the electrical connector to transmit data and signals to the hard disk and the motherboard.

And with the development of electronic technology, the functional requirements for electrical connectors are getting higher and higher. The bandwidth of traditional electrical connectors is gradually insufficient. Therefore, it has become a consensus to expand the bandwidth and compatibility of electrical connectors. Therefore, the SFF Committee (Small Form Factor Committee) announced a SFF-8639 specification electrical connector, which is mainly a multi-protocol, multi-function port, which can also be used for single-port SATA interface and dual-port new SATA interface. The first-generation SATA Express interface, dual-port SAS interface, Multi-Link SAS interface, and PCIe interface with up to four lanes. Only one port is needed to support PCIe, SATA, SAS and SATAExpress at the same time However, in the socket type SFF-8639 electrical connector currently used on the motherboard, at least one partition is protruded on one side of the seat body, and a plurality of terminals are respectively pierced on the partition and the lower surface , the other side of the multiple terminals extends out of the base body, and then the base body is fixed on the main board, and the multiple terminals are welded on the main board to form an electrical connection. However, in order to meet the requirements of light, thin and short electronic products , Small trend, so the space inside the casing must be considered, so that the existing electrical connectors also need to be reduced and thinned accordingly.

Therefore, how to try to solve the above-mentioned problems is the direction that the relevant industry is eager to study and improve.

Utility model content

In view of the above problems, the inventor of this case designed this electrical connector after collecting relevant information, evaluating and considering in many ways, and based on years of experience accumulated in this industry, through continuous trial and modification.

The main purpose of this utility model is that there are support arms extending in the same direction on both sides of the base of the seat body, and a docking space is formed between the base and the two support arms, and the bottom of the base is provided with a penetrating part. On the front wall of the seat and above the piercing portion, there is at least one docking board protruding into the docking space, and a plurality of conductive terminals are positioned on the upper surface of the docking board, and the plugging portion of the circuit board is positioned on the piercing part and extend into the docking space, and on both sides of the socket part are cut inward for the positioning of the two support arms, and then positioned on the upper and lower surfaces of the socket part of the circuit board. There are a plurality of upper row terminals and a plurality of lower row terminals, and at least one flat part superimposed on the bottom of the butt plate is formed on the upper surface of the plug-in part and between the plurality of upper row terminals, and a plurality of Multiple contacts welded by a conductive terminal, because the seat body is directly pierced with a circuit board, it can reduce the overall height and make it thinner, and can also reduce the use of components to reduce the cost of materials and assembly, thereby reducing the overall Manufacturing costs to achieve the purpose of making products more competitive.

The secondary purpose of this utility model is that the plug-in component uses solder to weld the upper bent sheet body to a plurality of solder joints corresponding to the main board, which can increase the The joint area and the excessive tin overflow caused by excessive high-temperature liquid solder can be concentrated and accumulated through the gap to prevent the solder from spreading outward, thereby achieving the purpose of increasing the soldering strength and shear strength.

In order to achieve the above purpose, the utility model provides an electrical connector, including a seat body and a circuit board, wherein:

The seat body has a base, and there are support arms extending in the same direction on both sides of the base, and a docking space is formed between the base and the two support arms, and a penetration part is provided at the bottom of the base. At least one docking plate protruding into the docking space is provided on the upper part of the piercing part, and a plurality of conductive terminals are pierced on the surface of the docking board, and a plurality of conductive terminals are extended on one side and positioned on the docking board. The butt joint side of the plurality of conductive terminals is extended with a welding side protruding to the rear of the base;

One side of the circuit board is protruded with an inserting portion positioned in the insertion portion and extending into the docking space, and two slots are cut inward on both sides of the inserting portion for the positioning of the two arms , the upper surface and the lower surface of the plug-in part are respectively positioned with a plurality of upper-row terminals and a plurality of lower-row terminals, and the upper surface of the plug-in part is located between the plurality of upper-row terminals to form at least one superimposed on the bottom of the butt plate. A flat part, and a plurality of contacts for electrical connection of the soldering side are arranged behind at least one flat part.

In an embodiment of the present invention, the insertion portion is cut from bottom to top with a groove for inserting the insertion portion on the bottom surface of the base.

In an embodiment of the present invention, the piercing portion is a through groove provided with a front and a rear penetrating slot for the inserting portion to pass through.

In one embodiment of the present invention, the surface of the docking plate of the base is concavely provided with a plurality of terminal grooves for positioning the docking sides of a plurality of conductive terminals, and on the rear side of each terminal groove is provided a A hole through which a conductive terminal passes.

In one embodiment of the present invention, a support plate is connected between the bottoms of the two arms of the seat body.

In one embodiment of the present invention, the two arms of the seat body are provided with limiting grooves on opposite inner side walls.

In one embodiment of the present invention, slots are provided on the opposite outer wall surfaces and lower sections of the two supporting arms of the seat body, and inserting components are accommodated in the slots.

In one embodiment of the present invention, the opposite sides of the inserting components of the two arms extend with stoppers that allow the inserting components to be fixed in the slots, and there is an extension extending above the inserting components. The chip body outside the slot is provided with a notch on the end face of the chip body facing inward, and the circuit board is provided with soldering points for the chip body to be welded on the outside of the two cut grooves.

In one embodiment of the present invention, the two sides of the two arms of the seat extend outwards with protrusions, and the bottom surface of each protrusion protrudes with a fixing post, and the circuit board is located outside the two cut-away grooves. A fixing hole is provided for the insertion of the fixing column.

In an embodiment of the present invention, tooth-shaped clamping portions are provided on both side wall surfaces of the plurality of conductive terminals of the base body located between the abutting side and the welding side.

Description of drawings

Fig. 1 is the three-dimensional exterior view of the utility model;

Fig. 2 is the three-dimensional exploded view of the utility model;

Fig. 3 is a three-dimensional exploded view of another angle of the utility model;

Fig. 4 is the side view sectional view of line A in Fig. 1 of the utility model;

Fig. 5 is the side sectional view of line B in Fig. 1 of the utility model;

Fig. 6 is a three-dimensional appearance view of another embodiment of the utility model;

Fig. 7 is a three-dimensional exploded view of another embodiment of the present invention.

Explanation of reference signs: 1-seat body; 10-docking space; 11-base; 111-piercing part; 1111-groove; 1112-through slot; 12-arm; 121-limiting groove; 122-slot; 123-insert component; 1231-stopper; Support plate; 13-conductive terminal; 131-butting side; 132-welding side; 133-holding part; 2-circuit board; 21-socket part; 211-upper terminal; Department; 22-cut groove; 23-contact; 24-fixing hole; 25-welding spot.

detailed description

In order to achieve the above-mentioned purpose and effect, the technical means and the structure adopted by the utility model are hereby drawn to illustrate in detail the features and functions of the preferred embodiments of the utility model as follows.

Shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 are respectively the three-dimensional appearance diagram of the present utility model, three-dimensional exploded view, the three-dimensional exploded view of another angle, the side view sectional view of line A in Fig. 1 and The side sectional view of line B in Fig. 1 can be seen clearly from the figure that the utility model comprises a seat body 1 and a circuit board 2, wherein:

The seat body 1 has a base 11, and support arms 12 extend in the same direction on both sides of the base 11, and a docking space 10 is formed between the base 11 and the two support arms 12, and a bottom of the base 11 is provided with The penetration part 111, the penetration part 111 is provided with a groove 1111 on the bottom surface of the base 11 from bottom to top, and at least one protruding from the front wall of the base 11 above the groove 1111 extends into the docking space 10 The docking plate 112, and the surface of the docking plate 112 is recessed with a plurality of terminal slots 1121, and the rear side of each terminal slot 1121 is provided with a perforation 1122 penetrating to the outside of the base 11, and then positioned on the multiple terminal slots 1121 of the docking plate 112 There are a plurality of conductive terminals 13, one side of the plurality of conductive terminals 13 extends with a docking side 131 located in the docking space 10, and the other side of the plurality of conductive terminals 13 is bent and extended to pass through a plurality of through holes 1122 to extend to The welding side 132 at the rear of the base 11 is further provided with a tooth-shaped clamping portion 133 on the two side walls between the docking side 131 and the welding side 132, so that a plurality of conductive terminals 13 are stably fixed on the docking plate 112; The two support arms 12 are recessed with limiting grooves 121 on the relative inner walls, and are provided with slots 122 on the opposite outer walls of the two support arms 12, and are provided with slots 122 below. There are stoppers 1231 extending from opposite sides of the component 123 so that the inserting component 123 is fastened in the slot 122, and a sheet body 1232 extending out of the slot 122 is bent and extended above the inserting component 123, and the sheet body The end surface of 1232 is recessed inwardly with a slot 1233 , the two sides of the two support arms 12 are protrudingly provided with protruding blocks 124 , and the bottom surface of each protruding block 124 is protruded with fixing posts 1241 .

One side of the circuit board 2 is protrudingly provided with an insertion portion 21, and two sectional grooves 22 are respectively cut inward on both sides of the insertion portion 21, and a plurality of upper rows are respectively positioned on the upper and lower surfaces of the insertion portion 21. Terminal 211 and a plurality of lower row terminals 212, and at least one flat part 213 is formed on the upper surface of the plug-in part 21 and between the plurality of upper row terminals 211, and a plurality of contacts 23 are arranged behind at least one flat part 213, and the circuit The plate 2 is provided with fixing holes 24 and solder joints 25 at the outer sides of the two slots 22 .

When assembling each component of the utility model, the seat body 1 is installed downward on the circuit board 2 first, so that the insertion part 21 of the circuit board 2 is positioned to the groove 1111 formed by the piercing part 111 at the bottom of the base 11 Among them, the front side of the plug-in part 21 extends into the docking space 10 of the seat body 1, and the two arms 12 of the seat body 1 are respectively penetrated into the two slots 22 of the circuit board 2. At the same time, the arms 12 The protrusions 124 on both sides will be located above the circuit board 2, and the two fixing posts 1241 on the bottom surface of the two protrusions 124 will be inserted into the two corresponding fixing holes 24 of the circuit board 2 to form a position. At this time, the The flat part 213 on the surface of the plug-in part 21 will be superimposed on the lower part of the docking plate 112 of the base 11, and the bent pieces 1232 on the top of the plurality of plug-in components 123 will be attached to the solder joints 25 of the circuit board 2, Then the welding side 132 of the plurality of conductive terminals 13 and the sheet body 1232 of the plurality of plug-in components 123 can be welded on the plurality of contacts 23 and the plurality of solder joints 25 corresponding to the circuit board 2 by welding, so that The seat body 1 is stably positioned and electrically connected to the circuit board 2, and then the assembly of the utility model is completed.

The above base 1 and circuit board 2 conform to the SFF-8639 type, and they only have the preset plugs of the SFF-8639 type to form a definite electrical connection for data transmission. The scope of protection of the new model, such as using other modifications and equivalent structural changes, should be included in the scope of protection of the utility model in the same way, and it is hereby stated.

As shown in Fig. 6 and Fig. 7, it is a three-dimensional appearance view of another embodiment of the utility model and a three-dimensional exploded view of another embodiment. It can be clearly seen from the figure that the base body 1 of another embodiment of the utility model The piercing part 111 of the seat 11 is provided with a through groove 1112 through the front and back, and a support plate 125 is connected between the bottoms of the two arms 12 of the seat body 1, and the bottom surface of each protrusion 124 can omit the use of a fixing column. 1241, when the seat body 1 and the circuit board 2 are assembled, the seat body 1 is installed on the circuit board 2 from front to back, so that the insertion part 21 of the circuit board 2 passes through the slot of the penetration part 111 1112, and extend into the docking space 10, and the two arms 12 of the seat body 1 will be embedded in the two slots 22 of the circuit board 2 to be positioned, and then the welding side of the plurality of conductive terminals 13 132 and the sheets 1232 of a plurality of inserting components 123 are welded on a plurality of contacts 23 and a plurality of solder joints 25 of the circuit board 2 to complete the assembly of another embodiment. When the connector (not shown in the figure) is plugged in, the supporting force during plugging can be improved through the support plate 125 .

The insertion part 21 of the circuit board 2 of the present utility model directly passes through the penetration part 111 of the base 11 of the seat body 1 and extends into the docking space 10, and a plurality of conductive plates positioned on the docking plate 112 of the base 11 The terminals 13 are welded to a plurality of contact points 23 on the surface of the circuit board 2 to form an electrical connection state. Since the piercing portion 111 of the base 11 directly penetrates and is fixed to the circuit board 2, it is compared with the existing electric circuit board 2. The connector can reduce the overall height and make it thinner, so as to meet the design requirements of light, thin, short, and small products, and can also reduce the use of components to reduce the cost of materials and assembly, and achieve the goal of reducing the overall manufacturing cost purpose to be more competitive.

The plug-in component 123 in the utility model uses solder to weld the upper bent sheet body 1232 on the solder joint 25 of the circuit board 2, and can be inserted through the recessed groove 1233 provided on the end face of the sheet body 1232 facing inward. The bonding area is increased, and the overflowing tin phenomenon caused by excessive high-temperature liquid solder can be concentrated and accumulated through the slot 1233 to avoid spreading outwards, thereby achieving the purpose of increasing the soldering strength and shearing strength.

The above detailed description is just a description of a preferred feasible embodiment of the present utility model. This embodiment is not used to limit the scope of protection of the present utility model. Changes and modifications should be included in the scope of protection covered by the present utility model.

Claims (10)

1. An electrical connector, comprising a seat body and a circuit board, characterized in that: The seat body has a base, and there are support arms extending in the same direction on both sides of the base, and a docking space is formed between the base and the two support arms, and a penetration part is provided at the bottom of the base. At least one docking plate protruding into the docking space is provided on the upper part of the piercing part, and a plurality of conductive terminals are pierced on the surface of the docking board, and a plurality of conductive terminals are extended on one side and positioned on the docking board. The butt joint side of the plurality of conductive terminals is extended with a welding side protruding to the rear of the base; One side of the circuit board is protruded with an inserting portion positioned in the insertion portion and extending into the docking space, and two slots are cut inward on both sides of the inserting portion for the positioning of the two arms , the upper surface and the lower surface of the plug-in part are respectively positioned with a plurality of upper-row terminals and a plurality of lower-row terminals, and the upper surface of the plug-in part is located between the plurality of upper-row terminals to form at least one superimposed on the bottom of the butt plate. A flat part, and a plurality of contacts for electrical connection of the soldering side are arranged behind at least one flat part. 2 . The electrical connector according to claim 1 , wherein the insertion portion is formed with a groove on the bottom surface of the base from bottom to top for insertion of the insertion portion. 3 . 3 . The electrical connector according to claim 1 , wherein the piercing portion is a piercing groove provided with a front and a rear penetrating through for the inserting portion to pass through. 4 . 4. The electrical connector according to claim 1, wherein the surface of the docking plate of the base is concavely provided with a plurality of terminal slots for positioning the docking sides of a plurality of conductive terminals, and a rear side of each terminal slot is provided with There are through holes penetrating to the outside of the base and allowing the conductive terminals to pass through. 5. The electrical connector according to claim 1, wherein a support plate is connected between the bottoms of the two arms of the base. 6 . The electrical connector according to claim 1 , wherein the two arms of the base are recessed with limiting grooves on opposite inner sidewalls. 7 . 7 . The electrical connector according to claim 1 , wherein slots are provided on the opposite outer wall surfaces and lower sections of the two arms of the base body, and the plugging components are accommodated in the slots. 8 . 8. The electrical connector according to claim 7, characterized in that, there are stoppers extending from opposite sides of the insertion and fixing components of the two arms so that the insertion and fixing components are fixed in the slot, and when the insertion and fixing A sheet extending out of the slot is bent and extended from the top of the component, and the end of the sheet is concaved inwards with slots, and the circuit board is provided with soldering points for the sheet to be welded on the outside of the two slots. 9. The electrical connector according to claim 1, characterized in that, the two sides of the two arms of the seat body extend outwards with protrusions, and the bottom surface of each protrusion is provided with a fixing column, the circuit The plate is provided with fixing holes for inserting the fixing columns at the outer sides of the two cut slots. 10 . The electrical connector according to claim 1 , wherein the plurality of conductive terminals of the base body are provided with tooth-shaped locking portions on two sidewalls between the mating side and the welding side. 11 .