TW202243343A - Structure of electric connector and manufacturing process thereof characterized by achieving the effects of electromagnetic field balance and higher transmission speed and enhancing the bonding strength and stability when the electrical connector is inserted - Google Patents

Abstract

The present invention relates to the structure of an electric connector and the manufacturing process thereof. Firstly, the wire material is welded on a tongue plate member; two sides of the tongue plate member are respectively welded with a metal member; then, the tongue plate member and the metal member are placed in a mold together, so as to allow an insulating plastic body to be partially and wrappedly formed on one side of the metal member and the tongue plate member and allow the tongue plate member to be located at the center of the insulating plastic body; finally, an elastic member is disposed in the installation groove of the upper surface of the insulating plastic body, so as to complete the manufacture of the electric connector with lower manufacturing cost. The heights of the upper and lower insulating plastic bodies of the tongue plate member are the same, so that the effects of electromagnetic field balance and higher transmission speed can be achieved. The design of acting in concert with the metal member can enhance the whole shielding effect. Furthermore, the buckle part of the elastic member is provided with a positioning part located on the lower surface, so as to perform fixation from the outside to the inside for enhancing the bonding strength and stability when the electric connector is inserted.

Description

The structure and manufacturing process of electrical connectors (1)

The present invention provides a structure and manufacturing process of an electrical connector, especially a structure and manufacturing process of an electrical connector with reduced volume, lower manufacturing cost, better shielding effect, high insertion strength and stability.

Press, the serial version of the SCSI (Small Computer System Interface) interface is called SAS (Serial Attached SCSI), which is a new interface that combines the advantages of SATA and SCSI, and SlimSAS is a new connector for servers and mass storage devices. The internal PIN pin of the SlimSAS connector is designed with a contact pitch of 0.6mm. Its single-channel transmission rate can reach 22.5Gbps, and the PCIe channel can reach a speed of 16GT/s. The small-sized connector and cable can save increasingly narrow devices. space.

However, the high-speed transmission of SlimSAS does not match the appropriate shielding effect, and it is easy to be interfered by noise during high-frequency transmission, which causes errors or loss during signal transmission. Only relying on the protruding part of the front end of the insulating gel of the plug connector to insert into the socket connector, and using the shrapnel on the plug connector to buckle the shell of the socket connector from the inside to the outside, resulting in insufficient fixing strength, often caused by careless insertion or When there is a slight collision, it will fall off or even wear out.

Therefore, the above-mentioned SlimSAS connector has the following problems and deficiencies that need to be improved when used: first, the shielding effect is not good, and it is susceptible to noise interference; second, the butt joint strength only depends on the protruding part of the insulating gel, and the strength is insufficient; 3. The design of the protruding part of the insulating colloid leads to a large volume of the plug connector, and the volume difference between the upper and lower colloids on the tongue plate is too large, and the electromagnetic field cannot be balanced; Fixed socket connectors often fall off or wear out; fifth, the connector manufacturing process of this type, the forming process of the insulating colloid is the sequence of forming the inner film at low pressure, inserting the plastic shell, and covering the back cover , need to use three molds to complete, the development cost is relatively high.

Therefore, how to solve the above-mentioned conventional problems and deficiencies is the direction in which the creators of the present invention and related manufacturers engaged in this industry want to study and improve.

Therefore, in view of the above-mentioned shortcomings, the creator of the present invention has collected relevant information, evaluated and considered in many ways, and based on years of experience accumulated in this industry, through continuous trial and modification, he has designed this kind of small size, production Patent holder for the structure and manufacturing process of electrical connectors with lower cost, better shielding effect, high insertion strength and stability.

The main purpose of the present invention is to cancel the butt joint structure of the protruding part of the front end of the insulating colloid, to reduce the manufacturing cost by using a single-piece insulating colloid, and at the same time balance the electromagnetic field between the upper and lower sides of the tongue plate, improve the transmission rate, and make the outer buckle elastic part Strengthen the insertion stability, and cooperate with metal parts to improve the shielding effect.

To achieve the above object, the main structure of the present invention includes: a tongue piece, two metal parts, an insulating colloid, a first height, a second height, a mounting groove, and a joint portion, a support portion, A buckle part, at least one positioning part, and an elastic part of the pressing part. The metal parts are separately arranged on both sides of the tongue part, the insulating glue system is partly overmolded on one side of the tongue part and the metal part, the first height is defined at the part where the insulating glue is higher than the tongue part, the The second height is defined at the part where the insulating gel is lower than the tongue piece. The mounting groove is formed on the upper surface of the insulating gel. On one side of the joint part, the buckle part and the pressing part are respectively located on two sides of the support part, and the positioning part is formed on the lower surface of the buckle part.

During production, wires are first welded on the tongue plate and metal parts are welded on both sides respectively, and then the tongue plate and metal parts are put into the mold together to partially cover the tongue plate with a one-piece insulating gel part and the metal part, make the tongue part in the center of the insulating colloid, make the height of the first height the same as the height of the second height, finally take an elastic part, use its joint part to set it in the installation groove, and the electrical connection is completed. The manufacture of the connector, thereby simplifying the manufacturing process and reducing the development cost. And because the height of the insulating gel on the top and bottom of the tongue plate is the same, it can achieve the effect of reducing the size, balancing the electromagnetic field, and speeding up the transmission speed. The design of the metal part can strengthen the overall shielding effect, and the positioning part of the elastic part can be used in the electrical connector. When plugging, fix from the outside to the inside to enhance the bonding strength and stability.

With the above-mentioned technology, it is possible to make breakthroughs in conventional SlimSAS connectors such as poor shielding effect, insufficient bonding strength, unbalanced electromagnetic field, poor insertion stability, and high development costs, so as to achieve the practical progress of the above advantages .

1, 1a: tongue plate

11a: Grounding part

12a: limit slot

2, 2a: metal parts

21a: side fence

22a: Reinforced corners

23a: positioning bump

24a: Contradictory Department

3, 3a: insulating colloid

31: first height

32: second height

33, 33a: installation groove

331a: perforation part

332a: Anti-off buckle

4, 4a: Elastic parts

41, 41a: junction

411a: insertion part

412a: Anti-dropping

42, 42a: support part

43, 43a: buckle part

431, 431a: positioning unit

432a: warpage guide

44, 44a: pressing part

45a: first extension arm

46a: second extension arm

5: socket connector

52: top cover

53: opening

The first figure is a perspective view of a preferred embodiment of the present invention.

The second figure is a sectional view of the line A-A of the first figure of the preferred embodiment of the present invention.

The third figure is a block flow diagram of a preferred embodiment of the present invention.

Figure 4 is a schematic diagram (1) of plugging in a preferred embodiment of the present invention.

The fifth figure is a schematic diagram (2) of plugging in a preferred embodiment of the present invention.

The sixth figure is a perspective view of another preferred embodiment of the present invention.

The seventh figure is a B-B sectional view of the sixth figure of another preferred embodiment of the present invention.

Figure 8 is an exploded view (1) of yet another preferred embodiment of the present invention.

Figure 9 is an exploded view (2) of yet another preferred embodiment of the present invention.

In order to achieve the above-mentioned purpose and effect, the technical means and structure adopted by the present invention are hereby illustrated in detail with respect to the preferred embodiments of the present invention. Its features and functions are as follows, so that it can be fully understood.

Please refer to shown in the first figure to the third figure, it is a perspective view to a block flow chart of a preferred embodiment of the present invention, and it can be clearly seen that the present invention comprises from the figure:

A tongue piece 1;

Two metal parts 2 are separately arranged on both sides of the tongue part 1;

An insulating gel 3 is partially overmolded on one side of the tongue piece 1 and the metal piece 2, and the tongue piece 1 is located in the center of the insulating glue 3, so that the insulating glue 3 is higher than the tongue piece The part of 1 defines a first height 31, and defines a second height 32 at the part of the insulating colloid 3 lower than the tongue part 1, and the height of the first height 31 is the same as the height of the second height 32;

A mounting groove 33 is formed on the upper surface of the insulating colloid 3; and

An elastic member 4 is arranged on the installation groove 33, and includes a joint part 41, a support part 42, a buckle part 43, at least one positioning part 431, and a pressing part 44, and the joint part 41 and the The mounting grooves 33 are combined correspondingly, the support part 42 is bent and formed on one side of the joint part 41, the buckle part 43 and the pressing part 44 are respectively located on both sides of the support part 42, and the positioning part 431 is formed on the buckle part 43 lower surface, so as to use the buckle portion 43 and the positioning portion 431 to fix from outside to inside.

And the manufacturing process of an electrical connector of the present invention, its main steps include:

(a) Welding wires on a tongue piece;

(b) Weld a metal piece on both sides of the tongue plate after welding the wire;

(c) Put the welded tongue piece and the metal piece together into the mold, so that an insulating gel is partially overmolded on the side of the tongue piece and the metal piece;

(d) Locate the tongue member at the center of the insulating gel so that a first height is defined at the portion of the insulating gel higher than the tongue member, and a second height is defined at the portion of the insulating gel lower than the tongue member. height, and the height of the first height is the same as the height of the second height; and

(e) Take an elastic piece, use its joint part to set it in the installation groove on the upper surface of the insulating colloid, and use the support part as the fulcrum, and the buckle parts and pressing parts on both sides are swing arms, so that the buckle part The positioning part is fixed from outside to inside.

Through the above description, the structure of this technology can already be understood, and according to the corresponding cooperation of this structure, the advantages of reducing the size, reducing the production cost, improving the shielding effect, and improving the insertion strength and stability can be achieved. The explanation will be explained below.

Please refer to the first figure to the fifth figure at the same time, which are the perspective view to the plug-in schematic diagram (2) of the preferred embodiment of the present invention. When the above-mentioned components are organized, it can be clearly seen from the figure that the present invention The electrical connector is a SlimSAS plug connector. Tongue plate 1 has a specification of 37 pins on the upper and lower sides. During production, wires are welded on tongue plate 1, and then a metal piece 2 is welded on both sides of tongue plate 1. In order to achieve the effect of isolation and protection on the physical structure and electromagnetic noise, and then put the tongue part 1 and the metal part 2 into the mold together to inject a partly overmolded on the rear side of the tongue part 1 and the metal part 2 One-piece insulating colloid 3, and this injection action only needs to use two molds, which can save production costs and simplify the manufacturing process, and in terms of height position, the tongue plate part 1 is located in the center of the insulating colloid 3 after injection, making the insulation The size of the part of the colloid 3 higher than the tongue part 1 is equal to the part of the insulating colloid 3 lower than the tongue part 1, that is, the first height 31 is equal to the second height 32, so that the upper and lower sides of the tongue part 1 The thickness is the same, which can achieve the balance of the electromagnetic field and help to increase the transmission rate. Finally, take an elastic member 4 and use its joint part 41 to set it in the installation groove 33 to complete the production of the electrical connector.

As shown in Figures 4 and 5, the elastic member 4 is roughly in the shape of a scale, the joint part 41 is the base, the support part 42 is the fulcrum, the buckle part 43 and the pressing part 44 extend from one end of the support part 42 to both sides. Out swinging arms. When plugging, in addition to using the tongue piece 1 to connect the plug connector and the socket connector 5, the top cover 52 of the socket connector 5 will also be inserted between the tongue piece 1 and the elastic piece 4. , so that the elastic member 4 is slightly inclined backward with the supporting part 42 as the fulcrum, and the buckle part 43 is raised so that the opening 53 on the top cover 52 is naturally combined with the positioning part 431. And the inner one fixes the socket connector 5 to enhance the bonding strength and stability. Conversely, when you want to pull out the plug connector, you only need to apply force downward to the pressing part 44, so that the elastic member 4 can also be slightly tilted backward with the support part 42 as the fulcrum, and the buckle part 43 is raised to allow the positioning part 431 to disengage from the opening. , with the convenience of labor-saving and convenient disassembly.

Please also refer to the sixth figure to the ninth figure at the same time, which is a perspective view to an exploded view (2) of another preferred embodiment of the present invention. It can be clearly seen from the figure that this embodiment and the above-mentioned implementation The example is the same, only on both sides of the tongue part 1a, there are at least one grounding part 11a and a limiting groove 12a formed on one side of the grounding part 11a, and the metal part 2a has a The side side baffle 21a, two reinforced corners 22a respectively formed at both ends of the side baffle 21a, a positioning projection 23a correspondingly combined with the limiting groove 12a, and at least one positioning projection 23a formed on the positioning projection 23a. The side is provided with the contact portion 24a of the grounding portion 11a, and the installation groove 33a has a perforated portion 331a, and an anti-off buckle 332a located on one side of the perforated portion 331a, and the elastic member 4a is integrally formed. , and has a first extension arm 45a connecting the supporting part 42a and the pressing part 44a, and a second extending arm 46a connecting the buckle part 43a and the pressing part 44a, and the first extending arm 45a and the The second extension arm 46a is parallel and side by side, and the joint portion 41a of the elastic member 4a has an insertion portion 411a for passing through the perforation portion 331a, and an insertion portion 411a formed on the insertion portion 411a and connected to the anti-dropping card. The buckle 332a corresponds to the combined anti-dropping opening 412a, and the end of the buckle portion 43a of the elastic member 4a away from the pressing portion 44a has a warping guide portion 432a. In addition, the number of the positioning portion 431a, the anti-off opening 412a and the anti-off buckle 332a in this embodiment are all two.

As far as the physical protection of the tongue part 1a is concerned, since the metal part 2a and the tongue part 1a are jointly fixed on the insulating colloid 3a, and in the part protruding from the front insulating colloid 3a, the side baffle 21a of the metal part 2a is located On the left and right sides of the tongue part 1a, and in the docking state of the plug connector and the socket connector, the metal part 2a is covered on the outside of the outer shell of the socket connector, and the reinforced corners 22a at both ends of the side baffle 21a can be Provide stronger protective force from the four directions of upper left, upper right, lower left, and lower right, thereby reducing the risk of damage to the socket connector; as far as the electromagnetic wave protection of the tongue piece 1a is concerned, the tongue piece 1a is combined with the metal piece 2a At the same time, the position-limiting groove 12a of the side edge of the tongue part 1a is used to clamp the positioning protrusion 23a of the raised state on the metal part 2a (that is, step (b1)), and the positioning protrusion 23a and the limit groove 12a are fixed, the contact part 24a of the metal part 2a can naturally touch the grounding part 11a on the tongue part 1a, so that the tongue part 1a provides a ring ground function due to the grounding signal, and then in the docking socket The connector and its outer shell share the ground, so as to enhance the EMI effect (that is, step (e1)). Wherein the grounding part 11a can be arranged on the front or the back of the tongue part 1a, and the number of the grounding part 11a on the same side can be one or two (in this embodiment, two are set at the same time on the front and the back as an example), so the conflicting part 24a It can be formed on one side of the positioning protrusion 23a or as two cantilever structures extending from the end of the positioning protrusion 23a, and the number and position of the conflicting portion 24a are the same as that of the grounding portion 11a (in this embodiment, two positions of the positioning protrusion 23a are used). The side has an abutment 24a).

In this embodiment, the elastic member 4a is integrally formed of metal material, the end section of the joint part 41a is the insertion part 411a, and the end of the joint part 41a away from the insertion part 411a is bent to form a support part 42a, and the support part 42a is away from the joint One end of the portion 41a extends obliquely upwards to form a first extension arm 45a, the end of the first extension arm 45a is turned away from the support portion 42a to form a pressing portion 44a, and the end of the pressing portion 44a is extended away from the first extension arm 45a to form a second extension arm 46a, The end of the second extension arm 46a is bent away from the pressing portion 44a to form a buckle portion 43a, and the end of the buckle portion 43a away from the second extension arm 46a is bent upward to form a warping guide portion 432a, and the buckle portion 43a and the pressing portion 44a are the same Located on different sides of the support portion 42a. As far as the joint action of the elastic member 4a is concerned, the joint portion 41a extends backward to form an insertion portion 411a, which can be fixed on the anti-off buckle 332a by using the anti-off opening 412a after being inserted and passed through the perforated portion 331a. The joint part 41a of 4a can use the installation groove 33a to limit the left and right, use the top wall of the perforated part 331a and the insulating colloid 3a to limit the position up and down, and use the anti-off buckle 332a and the anti-off opening 412a to limit the front and rear. Achieve proper fixing effect with simple assembly action. In addition, the warping guide portion 432a can raise the auxiliary buckle portion 43a upward when the plug connector is inserted into the receptacle connector, which can not only prevent the elastic member 4a from being damaged due to impact, but also ensure the smoothness of the user's insertion action.

However, the above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Therefore, all simple modifications and equivalent structural changes made by using the description and drawings of the present invention should be treated in the same way. Included in the scope of the patent of the present invention, it is jointly stated.

To sum up, the structure and manufacturing process of the electrical connector of the present invention can really achieve its effect and purpose when used, so the present invention is an invention with excellent practicability, and it meets the requirements for applying for a patent for invention. File an application in accordance with the law, and hope that the review committee will approve the invention as soon as possible, so as to protect the hard work of the creator For creation, if the Judging Committee of the Junju Bureau has any doubts, please feel free to send a letter to instruct, the creator will definitely cooperate with all efforts, and I really appreciate it.

1: Tongue plate

2: metal parts

3: insulating colloid

31: first height

32: second height

4: Elastic parts

41: junction

42: support part

43: buckle part

431: Positioning Department

44: Pressing part

Claims (10)

A structure of an electrical connector, which mainly includes: a tongue piece; Two metal parts are separately arranged on both sides of the tongue part; An insulating gel is partially overmolded on the side of the tongue piece and the metal parts, and the tongue piece is located in the center of the insulating glue, so that a part of the insulating glue higher than the tongue piece defines a first A height, and a second height is defined at the part of the insulating gel lower than the tongue plate, and the height of the first height is the same as the height of the second height; a mounting groove formed on the upper surface of the insulating gel; and An elastic member is arranged on the installation groove, and includes a joint part, a support part, a buckle part, at least one positioning part, and a pressing part, the joint part is correspondingly combined with the installation groove, and the support part Bending is formed on one side of the joint part, the buckle part and the pressing part are respectively located on both sides of the support part, and the positioning part is formed on the lower surface of the buckle part, so as to use the buckle part and the positioning part to Fix from the outside in. The structure of the electrical connector as described in item 1 of the scope of the patent application, wherein the two sides of the tongue plate have at least one grounding part and a limiting groove formed on one side of the grounding part, and the metal part has a The positioning protrusion correspondingly combined with the position limiting groove, and at least one abutment portion formed on one side of the positioning protrusion for abutting against the grounding portion. The structure of the electrical connector as described in item 1 of the scope of the patent application, wherein the metal part has a side shield on one side of the tongue part, and two reinforced corners respectively formed at both ends of the side shield. The structure of the electrical connector as described in item 1 of the scope of the patent application, wherein the mounting groove has a perforation part and an anti-snap buckle on one side of the perforation part, and the joint part has a hole for passing through the perforation The insertion portion of the upper portion, and an anti-off opening formed on the insertion portion and correspondingly combined with the anti-off buckle. The structure of the electrical connector described in item 1 of the scope of the patent application, wherein the elastic member is integrally formed, and has a first extension arm connecting the supporting part and the pressing part, and a connecting part and the buckle part. The second extension arm of the pressing part, and the first extension arm and the second extension arm are parallel and side by side. The structure of the electrical connector as described in item 1 of the scope of the patent application, wherein the buckle part deviates from the One end of the pressing part has a warping guide part. A manufacturing process of an electrical connector, the main steps of which include: (a) Welding wires on a tongue piece; (b) Weld a metal piece on both sides of the tongue plate after welding the wire; (c) Put the welded tongue piece and the metal piece together into the mold, so that an insulating gel is partially overmolded on the side of the tongue piece and the metal piece; (d) Locate the tongue member at the center of the insulating gel so that a first height is defined at the portion of the insulating gel higher than the tongue member, and a second height is defined at the portion of the insulating gel lower than the tongue member. height, and the height of the first height is the same as the height of the second height; and (e) Take an elastic piece, use its joint part to set it in the installation groove on the upper surface of the insulating colloid, and use the support part as the fulcrum, and the buckle parts and pressing parts on both sides are swing arms, so that the buckle part The positioning part is fixed from outside to inside. The manufacturing process of the electrical connector as described in item 7 of the scope of the patent application, wherein step (b) is followed by step (b1) correspondingly combining the positioning protrusion on the metal part with the limiting grooves on both sides of the tongue part, Make the grounding portion on one side of the limiting slot and the abutting portion on the side of the positioning protrusion interfere with each other. The manufacturing process of the electrical connector as described in item 7 of the scope of the patent application, wherein step (e) is followed by step (e1) piercing the insertion part of the joint part into the perforation part of the installation groove, and making the insertion part The anti-off opening of the corresponding combination with the anti-off buckle on one side of the perforated part. The manufacturing process of the electrical connector as described in item 7 of the scope of the patent application, wherein the buckle part has a warping guide part at the end away from the pressing part, so as to raise the buckle part when a mating connector is combined, And the buckle part and the positioning part are fixed from outside to inside.

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