CN202076612U

CN202076612U - Improved structure of electric connector

Info

Publication number: CN202076612U
Application number: CN 201120171792
Authority: CN
Inventors: 杨敏; 钱恒盼; 彭雪; 胡光才
Original assignee: DONGGUAN YUQIU ELECTRONICS Co Ltd
Priority date: 2011-05-26
Filing date: 2011-05-26
Publication date: 2011-12-14
Anticipated expiration: 2021-05-26

Abstract

The utility model discloses an improved structure of an electric connector. The improved structure includes at least one insulating body, grounding feet, and screws. The grounding foot is fixed on the insulting body via the screw, and the grounding foot is provided with a screw hole. The screw hole is provided with an internal screw thread which matches with the screw, and the screw matches with the screw hole. As a result, through providing the screw hole in the grounding foot and utilizing the direct threaded connection and fixing between the screw and the screw hole, the conductive connection between the screw and the grounding foot is realized without having hidden troubles, like the contact failure, and the like, and the stability and reliability of the conductive connection between the grounding foot and the screw are effectively enhanced. Besides, the electromagnetic compatibility (EMC) effect is better, and the stability and reliability of the signal transmission is also increased.

Description

The structure-improved of electric connector

Technical field

The utility model relates to the electric connector field technology, refers in particular to the structural improvement that a kind of grounding leg of electric connector is connected and fixed.

Background technology

D-SUB is the abbreviation of D-subminiature, is the standard of a kind of interface shape, structure, is invented by ICC company in nineteen fifty-two, and along with the development of electronic computer technology, D-SUB is a kind of in the D type interface connector, has become one of widely used interface.

As depicted in figs. 1 and 2, concrete structure for D-SUB in the prior art, include an insulating body 10 ', one group of conducting terminal (not shown) and a metal shell 30 ', this insulating body 10 ' include pedestal 11 ' and protuberance 12 ', this protuberance 12 ' in this pedestal 11 ' going up one extends, a plurality of spliced eyes 102 of this protuberance 12 ' be provided with '.This group conducting terminal be arranged at insulating body 10 ' on, the weld part of each conducting terminal all stretches out pedestal 11 ' outer, the contact site of each conducting terminal all expose spliced eye 102 ' internal face so that be electrically connected with external plug.This metal shell 30 ' be the housing that forms by plate tension, this housing be coated on insulating body 10 ' protuberance 12 ' outer, this flat board be covered in pedestal 11 ' end face on, and two ends that should flat board respectively by screw 50 ' be fixed in insulating body 10 ', simultaneously, this two screw 50 ' all be fixedly connected with grounding leg 40 ', to play the effect of ground connection.

Yet, this grounding leg 40 ' be a simple metal folding sheet, offer on this metal folding sheet through hole 41 ', in the process of assembling, the through hole 41 that screw 50 ' pass is corresponding ', and need to cooperate utilize nut 60 ' could make grounding leg 40 ' with screw 50 ' be connected and fixed, the parts of its use are more, the cost height, assembling is inconvenient especially, and grounding leg 40 ' and screw 50 ' between connect hidden danger such as there being loose contact, the stability and the reliability that make grounding leg be connected with the conducting of screw are lower, cause the Electromagnetic Compatibility effect of D-SUB electric connector not good enough easily, and then influence the stability and the reliability of signal transmission.

The utility model content

In view of this, the utility model is at the disappearance of prior art existence, and its main purpose provides a kind of structure-improved of electric connector, and it can effectively solve the problem of existing connector Electromagnetic Compatibility poor effect.

Another purpose of the present utility model provides a kind of structure-improved of electric connector, and it can effectively solve existing electric connector assembling inconvenience, the problem that cost is high.

For achieving the above object, the utility model adopts following technical scheme:

A kind of structure-improved of electric connector, include at least one insulating body, grounding leg and screw, on insulating body, this grounding leg is provided with a screw to this grounding leg by screw, be provided with the internal thread that is screwed with this screw in this screw, this screw and this screw are screwed.

As a kind of preferred version, described electric connector is a D type interface connector, and it also comprises one a group of conducting terminal and a metal shell; This insulating body include pedestal and on this pedestal extended protuberance, this group conducting terminal is arranged on the insulating body; This metal shell includes fixed head and extends the framework of a upper end open in this fixed head, this fixed head is covered on the end face of pedestal, this framework envelopes the protuberance periphery of this insulating body, and this screw passes this fixed head and this screw directly is screwed together fixing.

As a kind of preferred version, described grounding leg includes locating piece, connecting plate and pin; This pedestal is provided with and the corresponding location notch of this locating piece, and this locating piece is embedded in this location notch; This connecting plate extends in the outside bending of an end of this locating piece, and this connecting plate is located between aforementioned fixation plate and the pedestal, and aforementioned screw is arranged on this connecting plate; This pin is the harpoon type, and this pin extends in the outside bending of the other end of this locating piece, and this pin stretches out outside the pedestal.

As a kind of preferred version, offer groove on the described locating piece.

As a kind of preferred version, be provided with aforementioned grounding leg on the left and right sides face of described pedestal.

The utility model compared with prior art has tangible advantage and beneficial effect, particularly, and as shown from the above technical solution:

One, by being provided with screw in grounding leg, utilize this screw of this screw directly to be screwed together fixing, realize that with this screw is connected with the conducting of grounding leg, do not have hidden danger such as loose contact, the stability and the reliability that make grounding leg be connected with the conducting of screw effectively improve, the Electromagnetic Compatibility effect is better, promotes the stability and the reliability of signal transmission.

Two, by being provided with screw in grounding leg, utilize this screw to pass fixed head and this screw and directly be screwed together fixingly, do not need to be used accessories such as nut, parts are less, be beneficial to the reduction manufacturing cost, and simple and convenient assembly, be beneficial to and improve production and assembly efficient.

Three, by pin being designed to the harpoon type, and utilize this pin relative positioning piece bending to extend, make the elasticity of grounding leg effectively strengthen, not yielding when inserting circuit board and installing, be beneficial to the assembling quality that improves product.

For more clearly setting forth architectural feature of the present utility model and effect, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment.

Description of drawings

Fig. 1 is the three-dimensional diagrammatic sketch of assembling of the electric connector of tradition;

Fig. 2 is the exploded view of the electric connector of tradition;

Fig. 3 is the three-dimensional diagrammatic sketch of assembling of the preferred embodiment of the utility model;

Fig. 4 is the exploded view of the preferred embodiment of the utility model;

Fig. 5 is the partial assembly drawing of the preferred embodiment of the utility model.

The accompanying drawing identifier declaration:

10 ', insulating body 11 ', pedestal

12 ', protuberance 102 ', spliced eye

30 ', metal shell 40 ', grounding leg

41 ', through hole 50 ', screw

60 ', nut 10, insulating body

11, pedestal 12, protuberance

101, location notch 102, spliced eye

20, conducting terminal 21, contact site

22, weld part 30, metal shell

31, fixed head 32, framework

301, fixing hole 40, grounding leg

41, locating piece 42 connecting plates

43, pin 401, groove

402, screw 50, screw.

Embodiment

Please refer to Fig. 3 to shown in Figure 5, the concrete structure that it has demonstrated the preferred embodiment of the utility model includes an insulating body 10, one group of conducting terminal 20, a metal shell 30 and two grounding legs 40.

Wherein, this insulating body 10 includes pedestal 11 and the protuberance 12 that is arranged on this pedestal 11, is provided with location notch 101 on the left and right sides face of this pedestal 11.This protuberance 12 and pedestal 11 structure that is formed in one, indent forms and is provided with a plurality of spliced eyes 102 on the end face of this protuberance 12.

This group conducting terminal 20 is arranged on the aforementioned dielectric body 10, each conducting terminal 20 all has a contact site 21 and a weld part 22, the contact site 21 of each conducting terminal 20 exposes the internal face of aforementioned spliced eye 102, and the weld part 22 of each conducting terminal 20 all stretches out downwards outside the pedestal 11.

This metal shell 30 includes fixed head 31 and extends the framework 32 of a upper end open in this fixed head 31, this fixed head 31 is covered on the end face of aforementioned pedestal 11, this fixed head 31 colludes to close with pedestal 11 and is connected, and the two ends of this fixed head 31 are provided with fixing hole 301.This framework 32 envelopes the periphery of the protuberance 12 of aforementioned dielectric body 10.

This two grounding leg 40 is arranged at respectively on the left and right sides face of pedestal 11, and each grounding leg 40 includes locating piece 41, connecting plate 42 and pin 43.Offer groove 401 on this locating piece 41, locating piece 41 is embedded in the location notch 101 of aforementioned correspondence.This connecting plate 42 in the upper end of this locating piece 41 outside bending extend, this connecting plate 42 is located between the end face of aforementioned fixation plate 31 and pedestal 11, this connecting plate 42 is provided with screw 402, be provided with the internal thread that is screwed with screw in this screw 402, one screw 50 passes the fixing hole 301 of aforementioned fixation plate 31 successively and directly is screwed together fixingly with this screw 402, and has realized that with this screw 50 and corresponding grounding leg 40 are electrically connected; This pin 43 is the harpoon type, and this pin 43 extends in the outside bending of the other end of this locating piece 41, and this pin 43 stretches out outside the pedestal 11, and this pin 43 is used to insert on the pcb board and is grounded.

The assembling process that present embodiment is described in detail in detail is as follows:

The assembling process of present embodiment is very simple, as shown in Figure 4 and Figure 5, at first, the mode of each conducting terminal 20 by plug-in mounting or produced by insert molding is arranged on the insulating body 10, and the contact site 21 that makes each conducting terminal 20 exposes the internal face of corresponding spliced eye 102, and the weld part 22 of each conducting terminal 20 is stretched out outside the pedestal 11.Then, two grounding legs 40 are installed on respectively in the location notch 101 of pedestal 11 left and right sides, loosening to prevent grounding leg 40, the pin 43 of this grounding leg 40 stretches out outside the pedestal 11, so that be connected with the external circuit board.Then, the framework 32 of metal shell 30 is enveloped the protuberance 12 of insulating body 10, and make fixed head 31 cover on the end face of the pedestal 11 that is fixed in insulating body 10.Then, use two screws 50 to pass corresponding fixing hole 301 and be screwed together fixingly with the screw 402 of corresponding grounding leg 40 respectively, assembling finishes (as shown in Figure 3).

During use, the weld part 22 of each conducting terminal 20 is electrically connected with the external circuit board welding, the pin 43 and the circuit board of grounding leg 40 are connected and fixed, can reach good Electromagnetic Compatibility effect.

Design focal point of the present utility model is: at first, by being provided with screw in grounding leg, utilize this screw of this screw directly to be screwed together fixing, realize that with this screw is connected with the conducting of grounding leg, do not have hidden danger such as loose contact, the stability and the reliability that make grounding leg be connected with the conducting of screw effectively improve, and the Electromagnetic Compatibility effect is better, promote the stability and the reliability of signal transmission.Secondly, by being provided with screw, utilize this screw to pass fixed head and this screw directly is screwed together fixing in grounding leg, do not need to be used accessories such as nut, parts are less, are beneficial to the reduction manufacturing cost, and simple and convenient assembly, be beneficial to and improve production and assembly efficient.Moreover, by pin being designed to the harpoon type, and utilize this pin relative positioning piece bending to extend, make the elasticity of grounding leg effectively strengthen, not yielding when inserting circuit board and installing, be beneficial to the assembling quality that improves product.

The above, it only is preferred embodiment of the present utility model, be not that technical scope of the present utility model is imposed any restrictions, so every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment did.

Claims

1. the structure-improved of an electric connector, it is characterized in that: include at least one insulating body, grounding leg and screw, this grounding leg by screw on insulating body, this grounding leg is provided with a screw, be provided with the internal thread that is screwed with this screw in this screw, this screw and this screw are screwed.

2. the structure-improved of electric connector according to claim 1, it is characterized in that: described electric connector is a D type interface connector, and it also comprises one a group of conducting terminal and a metal shell; This insulating body include pedestal and on this pedestal extended protuberance, this group conducting terminal is arranged on the insulating body; This metal shell includes fixed head and extends the framework of a upper end open in this fixed head, this fixed head is covered on the end face of pedestal, this framework envelopes the protuberance periphery of this insulating body, and this screw passes this fixed head and this screw directly is screwed together fixing.

3. the structure-improved of electric connector according to claim 1 and 2, it is characterized in that: described grounding leg includes locating piece, connecting plate and pin; This pedestal is provided with and the corresponding location notch of this locating piece, and this locating piece is embedded in this location notch; This connecting plate extends in the outside bending of an end of this locating piece, and this connecting plate is located between aforementioned fixation plate and the pedestal, and aforementioned screw is arranged on this connecting plate; This pin is the harpoon type, and this pin extends in the outside bending of the other end of this locating piece, and this pin stretches out outside the pedestal.

4. the structure-improved of electric connector according to claim 3 is characterized in that: offer groove on the described locating piece.

5. the structure-improved of electric connector according to claim 2 is characterized in that: be provided with aforementioned grounding leg on the left and right sides face of described pedestal.