阅读说明：本技术 一种高速数据传输电连接器 (High-speed data transmission electric connector ) 是由 王从辉 吕晓钟 肖小勇 于 2021-09-23 设计创作，主要内容包括：本发明涉及电子技术领域,提供了一种高速数据传输电连接器,采用SMT固定于PCB板上,并包括绝缘体、第一模块和第二模块,其中：第一模块具有第一前置座和第一后置座,第二模块具有第二前置座和第二后置座,第一前置座适配第二前置座,以使第一模块与第二模块形成端子模组,端子模组组装于绝缘体内,通过模块化构造,解决了高速数据传输电连接器端子多、排列密集不能全自动制成的技术问题,达成了提高产能、产量,提升产品良率和降低作业成本的效果。(The invention relates to the technical field of electronics, and provides a high-speed data transmission electric connector which is fixed on a PCB board by adopting SMT and comprises an insulator, a first module and a second module, wherein: the first module is provided with a first preposed seat and a first postpositive seat, the second module is provided with a second preposed seat and a second postpositive seat, the first preposed seat is matched with the second preposed seat so that the first module and the second module form a terminal module, the terminal module is assembled in the insulator, and through the modular structure, the technical problems that the high-speed data transmission electric connector has more terminals and is densely arranged and cannot be fully automatically manufactured are solved, and the effects of improving the productivity and the yield, improving the product yield and reducing the operation cost are achieved.)

1. The utility model provides a high speed data transmission electric connector, adopts SMT to be fixed in on the PCB board to including insulator, first module and second module, its characterized in that: the first module is provided with a first preposed seat and a first postpositive seat, the second module is provided with a second preposed seat and a second postpositive seat, the first preposed seat is matched with the second preposed seat so that the first module and the second module form a terminal module, and the terminal module is assembled in the insulator.

2. The fast data transfer electrical connector of claim 1, wherein: the insulator is injection moulding's rectangle to including the cavity, stepping down the hole and both sides respectively the fin that backward extension formed, the cavity runs through to the back from the insulator is preceding, and the hole of stepping down is a plurality of side by side and runs through with the cavity respectively on being close to the insulator preceding.

3. The fast data transfer electrical connector of claim 2, wherein: the rear end of the cavity is transversely connected with a step for adapting the terminal module, and two sides of the step form slots with the inner wall surface of the cavity respectively; the lower surface of the empennage close to the empennage is provided with a gap, and the inner wall surface of the empennage is provided with a clamping groove.

4. The fast data transfer electrical connector of claim 3, wherein: the first module comprises an upper row of terminals, each terminal in the upper row of terminals is provided with a first holding section, a first contact part, a second holding section and a backward welding foot, a transition section is formed between the first holding section and the second holding section, and the backward welding foot is connected with the tail end of the second holding section and is parallel to the PCB.

5. The fast data transfer electrical connector of claim 4, wherein: the first preposed seat is in a strip plate structure and is provided with an upper surface, a lower surface and two side surfaces, the lower surface is provided with a positioning column/positioning hole matched with the second module, the two side surfaces are respectively provided with upper guide ribs in a flush upper surface mode, and the first preposed seat fixes the first fixing section so as to stabilize the upper row of terminals into a whole in a parallel mode; the first rear seat is provided with a long strip part, the long strip part is fixed with the second fixing section and extends forwards to form a stop block, two sides of the long strip part are respectively provided with a side lug, the front end of the side lug is provided with a connecting part for lapping the second module, the lower end of the connecting part is provided with a retraction part, the outer wall surface of the side lug is provided with a first tenon part and a second tenon part, and the first tenon part is matched with the notch; the second tenon portion is flush with the connecting portion and is matched with the clamping groove.

6. The fast data transfer electrical connector of claim 5, wherein: the second module is matched with the first module and comprises a lower row of terminals, each terminal in the lower row of terminals is provided with a third fixing section, a second contact part, a fourth fixing section and a forward welding foot, the second contact part is connected to the front end of the third fixing section, the fourth fixing section is vertically connected to the rear end of the third fixing section, and the forward welding foot is connected to the tail end of the fourth fixing section and is parallel to the PCB.

7. The fast data transfer electrical connector of claim 6, wherein: the second front seat has a positioning hole/positioning column matched with the first module and fixed to the third fixing section to fix the lower row of terminals.

8. The fast data transfer electrical connector of claim 7, wherein: the second rear seat is provided with a strip-shaped part, the strip-shaped part fixes the fourth fixing section so as to stabilize the tail part of the lower row of the terminals, a wedge-shaped block buckled with the step is arranged below the second front seat, lower guide ribs are respectively arranged below the parallel and level of two sides of the second front seat, the lower guide ribs are flush with the upper guide ribs, and the ends of two sides of the strip-shaped part are respectively provided with an inserting part into the slots.

9. The fast data transfer electrical connector of claim 8, wherein: the first front seat is overlapped above the second front seat and interferes with the positioning hole/positioning column of the second module through the positioning column/positioning hole of the first module, so that the first module and the second module are integrated, meanwhile, the first rear seat is combined behind the second rear seat, the connecting parts at two sides of the first rear seat are overlapped with the strip-shaped part of the second rear seat, the retraction part supports against the outer wall surface of the strip-shaped part, and the stop block supports against the outer wall surface of the strip-shaped part, so that the first rear seat and the second rear seat are integrated.

10. The fast data transfer electrical connector of claim 9, wherein: the terminal module is guided through last guide rib and lower guide rib and is packed into the cavity to make spigot portion adaptation slot, first tenon portion adaptation breach and second tenon portion adaptation draw-in groove and wedge adaptation step, let to be located the hole of stepping down when first contact does the elastic action simultaneously.

Technical Field

The present invention relates to electrical connection technologies, and in particular, to an electrical connector for high-speed data transmission.

Background

The electric connector is a connecting bridge of electronic equipment, performs electric connection and signal transmission between devices, assemblies and components and systems, and is a necessary basic component for forming a complete system.

The electrical connectors are of various types, for example, the plug-in type electrical connectors applied to the edges of computers and machine stations are all high-speed transmission electrical connectors, the requirements for such electrical connectors are high transmission data rate and stable performance requirements, and the plug-in type (plug-in card type) connectors at the edges are characterized by a plurality of terminals, dense arrangement, and extremely high technical requirements for product materials, manufacturing equipment and product design.

Disclosure of Invention

To solve the above technical problems, the present invention provides an electrical connector for high-speed data transmission.

In order to achieve the purpose, the technical scheme of the invention is as follows:

the utility model provides a high speed data transmission electric connector, adopt SMT to be fixed in on the PCB board to including insulator, first module and second module, wherein: the first module is provided with a first preposed seat and a first postpositive seat, the second module is provided with a second preposed seat and a second postpositive seat, the first preposed seat is matched with the second preposed seat so that the first module and the second module form a terminal module, and the terminal module is assembled in the insulator.

Preferably: the insulator is injection moulding's rectangle to including the cavity, stepping down the hole and both sides respectively the fin that backward extension formed, the cavity runs through to the back from the insulator is preceding, and the hole of stepping down is a plurality of side by side and runs through with the cavity respectively on being close to the insulator preceding.

Preferably: the rear end of the cavity is transversely connected with a step for adapting the terminal module, and two sides of the step form slots with the inner wall surface of the cavity respectively; the lower surface of the empennage close to the empennage is provided with a gap, and the inner wall surface of the empennage is provided with a clamping groove.

Preferably: the first module comprises an upper row of terminals, each terminal in the upper row of terminals is provided with a first holding section, a first contact part, a second holding section and a backward welding foot, a transition section is formed between the first holding section and the second holding section, and the backward welding foot is connected with the tail end of the second holding section and is parallel to the PCB.

Preferably: the first preposed seat is in a strip plate structure and is provided with an upper surface, a lower surface and two side surfaces, the lower surface is provided with a positioning column/positioning hole matched with the second module, the two side surfaces are respectively provided with upper guide ribs in a flush upper surface mode, and the first preposed seat fixes the first fixing section so as to stabilize the upper row of terminals into a whole in a parallel mode; the first rear seat is provided with a long strip part, the long strip part is fixed with the second fixing section and extends forwards to form a stop block, two sides of the long strip part are respectively provided with a side lug, the front end of the side lug is provided with a connecting part for lapping the second module, the lower end of the connecting part is provided with a retraction part, the outer wall surface of the side lug is provided with a first tenon part and a second tenon part, and the first tenon part is matched with the notch; the second tenon portion is flush with the connecting portion and is matched with the clamping groove.

Preferably: the second module is matched with the first module and comprises a lower row of terminals, each terminal in the lower row of terminals is provided with a third fixing section, a second contact part, a fourth fixing section and a forward welding foot, the second contact part is connected to the front end of the third fixing section, the fourth fixing section is vertically connected to the rear end of the third fixing section, and the forward welding foot is connected to the tail end of the fourth fixing section and is parallel to the PCB.

Preferably: the second front seat has a positioning hole/positioning column matched with the first module and fixed to the third fixing section to fix the lower row of terminals.

Preferably: the second rear seat is provided with a strip-shaped part, the strip-shaped part fixes the fourth fixing section so as to stabilize the tail part of the lower row of the terminals, a wedge-shaped block buckled with the step is arranged below the second front seat, lower guide ribs are respectively arranged below the parallel and level of two sides of the second front seat, the lower guide ribs are flush with the upper guide ribs, and the ends of two sides of the strip-shaped part are respectively provided with an inserting part into the slots.

Preferably: the first front seat is overlapped above the second front seat and interferes with the positioning hole/positioning column of the second module through the positioning column/positioning hole of the first module, so that the first module and the second module are integrated, meanwhile, the first rear seat is combined behind the second rear seat, the connecting parts at two sides of the first rear seat are overlapped with the strip-shaped part of the second rear seat, the retraction part supports against the outer wall surface of the strip-shaped part, and the stop block supports against the outer wall surface of the strip-shaped part, so that the first rear seat and the second rear seat are integrated.

Preferably: the terminal module is guided through last guide rib and lower guide rib and is packed into the cavity to make spigot portion adaptation slot, first tenon portion adaptation breach and second tenon portion adaptation draw-in groove and wedge adaptation step, let to be located the hole of stepping down when first contact does the elastic action simultaneously.

Compared with the prior art, the invention has the beneficial effects that:

firstly, the whole structure becomes intuitive and simple through modularization, for example, the first module and the second module are respectively formed by embedding the terminal strip into a mould through injection molding and solidification, and then the terminal strip and the second module are assembled in the cavity of the insulator after being stacked. The structure combines a form and a modular manufacturing mode, so that the product quality and the yield can be effectively improved;

and secondly, the insulator, the first module and the second module can be subjected to full-process automatic operation, the insulator, the first module and the second module are subjected to injection molding through an automatic injection molding machine (adopting different molds), the upper row of terminals and the lower row of terminals are punched into the upper row of terminals and the lower row of terminals with material belts through a hardware punching machine, and the upper row of terminals or the lower row of terminals are transferred into the corresponding mold through the material belt machine to be subjected to injection molding through the automatic injection molding machine so as to form the first module and the second module. The full-automatic operation is realized through the design, the productivity and the yield are effectively improved, the reject ratio is reduced, and the operation cost is effectively reduced.

Drawings

Fig. 1 is a schematic perspective exploded view of an embodiment of the present invention.

Fig. 2 is a schematic structural view of an upper row terminal and a lower row terminal in the embodiment of the invention.

Fig. 3 is an exploded view of the first module and the second module according to the embodiment of the present invention.

Fig. 4 is a schematic view of a terminal module to be assembled to an insulator according to an embodiment of the present invention.

Fig. 5 is a perspective view of an embodiment of the present invention.

Fig. 6 is a perspective view of another perspective view according to an embodiment of the present invention.

FIG. 7 is a schematic diagram of a front view of an embodiment of the present invention.

Fig. 8 is a sectional view in the direction a-a of fig. 7.

Description of reference numerals:

100 high-speed data transmission electric connector, 1 insulator, 12 cavity, 121 step, 122 slot, 123 concave position, 13 abdicating hole, 14 empennage, 141 gap, 142 slot, 2 terminal module, 3 first module, 31 upper row terminal, 311 first holding section, 312 first contact part, 313 transition section, 314 second holding section, 315, 414 welding pin, 32 first preposition seat, 321, 421 upper surface, 322, 422 lower surface, 323 location column, 324 upper guide rib, 33 first postposition seat, 331 long bar, 332 resisting block, 333 side ear, connecting part 334, 335 indentation part, 36 first tenon part, 337 second tenon part, 4 second module, 41 lower row terminal, 411 third holding section, 412 second contact part, 413 fourth holding section, 42 second preposition seat, 423 positioning hole, 424 wedge block, 425 lower guide rib, 426 bulge, 43 second postposition seat, 431 bar part, 432 inserting part.

Detailed Description

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

In the embodiments shown in the drawings, the directions such as up, down, left, right, front, and rear are used to explain the structure and movement of various components of the present invention not absolutely but relatively. These illustrations are appropriate when these components are in the positions shown in the figures. If the description of the positions of these components changes, the indication of these directions changes accordingly.

In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.

In the present embodiment, referring to fig. 1 to 8, an electrical connector 100 for high-speed data transmission is provided, which is mounted on a PCB board by using SMT (Surface Mount Technology, which is an abbreviation of Surface Mount Technology, and refers to Surface Mount Technology, which is the most popular Technology and process In the electronic assembly industry at present) or DIP (Dual In-line Package, which refers to Dual In-line Package Technology, and refers to an integrated circuit packaged by Dual In-line Package), and includes an insulator 1, a receiving insulator 1, a first module 3, and a second module 4 fitted on the first module 3, wherein: the first module 3 has a first front seat 32 and a first rear seat 33, the second module 4 has a second front seat 42 and a second rear seat 43, the first front seat 32 is adapted to the second front seat 42, so that the first module 3 and the second module 4 form a terminal module 2, and the terminal module 2 is assembled in the insulator 1.

Specifically, the insulator 1 is injection molded in a rectangular shape, and includes a cavity 12, a relief hole 13, and a tail 14 having two sides respectively extended backward, wherein: the cavity 12 penetrates through the front and the back of the insulator 1, the yielding holes 13 form a row on the upper surface close to the front of the insulator 1 and downwards penetrate through the cavity 12, the yielding holes 13 are elastic yielding areas of the first contact parts 312 of the upper row of terminals 31, the back end of the cavity 12 is transversely connected with a step 121 for adapting the terminal module 3, and two sides of the step 121 respectively form slots 122 with the inner wall surface of the cavity 12; a notch 141 is arranged on the lower surface of the tail 14, a slot 142 is arranged on the inner wall surface of the tail 14, and the notch 141 and the slot 142 are used for fixing the second module 4.

In the present embodiment, referring to fig. 1 in combination with fig. 2 to 5, the first module 3 includes an upper row of terminals 31, each terminal of the upper row of terminals 31 has a first holding section 311, a first contact 312, a second holding section 314 and a backward solder leg 315, a transition section 313 inclined downward is formed between the first holding section 311 and the second holding section 314, and the backward solder leg 315 is connected to an end of the second holding section 314 and is parallel to the PCB board. In this example, the first front seat 32 fixes the first holding section 311, so that the upper row of terminals 31 (each of which is not in contact with the ground) are fixed side by side; the first rear seat 33 fixes the second holding section 314 to further stabilize the upper row of terminals 31. In this embodiment, the first front seat 32 is a long plate structure and has an upper surface 321 and a lower surface 322 opposite to the upper surface, the lower surface 322 is provided with positioning posts 323 adapted to the second module 4, in this embodiment, the positioning posts 323 or the positioning holes 423 are not limited to be a pair, and are not limited to be symmetrically or staggered and oppositely provided on the upper surface 321 or the lower surface 322, and two side surfaces of the first front seat 32 are respectively provided with upper guiding ribs 324 in the form of level upper surfaces 321; the first rear seat 33 is provided with a long strip 331, the long strip 331 extends forwards to form a stop 332, two sides of the long strip 331 are respectively provided with a side lug 333, the front end of the side lug 333 is provided with a connecting part 334 for overlapping the second module 4, the lower end of the connecting part 334 is provided with a retraction part 335 for abutting against the strip 431 of the second rear seat, the outer wall surface of the side lug 333 is provided with a first tenon part 336 and a second tenon part 337, and the first tenon part 336 is matched with the notch 141, so that the first module 3 cannot be displaced forwards, upwards and downwards after being installed in the insulator 1; the second tenon portion 337 (an easy-to-enter and hard-to-exit axe-shaped card) is flush with the upper surface of the connecting portion 334 and is fitted into the slot 142, so that the second tenon portion 337 prevents the first module 3 from falling out backward after being loaded into the insulator 1.

In the present embodiment, with continuing reference to fig. 1 and with combined reference to fig. 2 to fig. 5, the second module 4 is adapted to the first module 3 and includes a lower row of terminals 41, each terminal of the lower row of terminals 41 has a third holding section 411, a second contact portion 412, a fourth holding section 413 and a forward solder leg 414, the second contact portion 412 is connected to the front end of the third holding section 411, the fourth holding section 413 is vertically connected to the rear end of the third holding section 411, and the forward solder leg 414 is connected to the end of the fourth holding section 413 and is parallel to the PCB. In this example, the second front seat 42 fixes the third holding section 411, so that the lower row of terminals 41 (each of which is not in contact with the ground) are fixed side by side and are integrated; the second rear housing 43 fixes the fourth holding section 413 so that the tail of the lower row of terminals 41 is fixed. In this example, the second front seat 42 has an upper surface 421 adapted to the lower surface 322 of the first front seat 32, the upper surface 421 of the second front seat 42 is provided with a positioning hole 423 adapted to the first module 3 opposite to the lower surface 322 of the first front seat 32, in this example, the positioning posts 323 or the positioning holes 423 are not limited to a pair, and are not limited to be symmetrically or staggered and oppositely provided on the upper surface 321 or the lower surface 322, the lower surface 422 of the second front seat 42 is provided with a wedge 424 buckled with the step 121 of the cavity 12, and the lower surfaces 422 flush with both sides of the second front seat 42 are respectively provided with a lower guide rib 425, and the lower guide ribs 425 are flush with the upper guide ribs 324; the second rear seat 43 has a bar portion 431, and insertion portions 432 are respectively provided in the slots 122 at both ends of the bar portion 431.

In the present embodiment, with continuing reference to fig. 1 and with combined reference to fig. 2 to 8, in the figure, the first module 3 is adapted to the second module 4 to form the terminal module 2, wherein: the first module 3 and the first front seat 32 are overlapped on the second front seat 42 of the second module 4 and are interfered and fixed by the first module 3 positioning column 323 and the second module positioning hole 423 (or the first module positioning hole and the second module positioning column, or the staggered first module positioning hole/positioning column and the second module positioning column/positioning hole). Meanwhile, the first rear seat 33 is combined behind the second rear seat 43 (i.e. the first rear seat 33 is at the outer side, and the second rear seat 43 is at the inner side), wherein: the connecting portions 334 on both sides of the first rear seat 33 are overlapped on the bar-shaped portion 431 of the second rear seat 43, the retracted portion 335 abuts against the outer wall surface of the bar-shaped portion 431, and meanwhile, the abutting block 332 disposed on the first rear seat 33 also abuts against the outer wall surface of the bar-shaped portion 431, and at this time, the first module 3 and the second module 4 are combined. The terminal module 2 is assembled in the insulator 1, the terminal module 2 is guided and loaded into the cavity 12 through the upper and lower guiding ribs 324, 425 on two sides, when the terminal module 2 is pushed into the cavity 12, the inserting part 432 of the second module 4 is inserted into the slot 122 of the cavity, the wedge 424 of the second module 4 is buckled with the step 121 of the cavity 2, the first tenon 336 and the second tenon 337 of the first module 3 are respectively buckled in the notch 141 and the slot 142 of the insulator 1, at this time, the wedge 424 is buckled with the step 121 and the second tenon 337 is matched with the slot 142, so that the terminal module 2 is prevented from moving backwards in the cavity 12 due to the influence of butt-joint insertion force; the insertion portion 432 of the second module 4 is engaged with the slot 122 and the first tongue portion 336 is engaged with the notch 141 to limit the forward movement of the terminal module. Due to the limited displacement structure at the front and the rear, the terminal module 2 is stable and does not shake in the cavity 12. In this embodiment, the first rear seat 33 abuts against the second rear seat 43, the two ends of the first rear seat 33 retain the tail 14, and the protrusion 426 interferes with the recess 123, so that the terminal module 2 and the insulator 1 are firmly integrated

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or recited in detail in a certain embodiment.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.