CN220544392U

CN220544392U - Interference spring arm grounding electric connector

Info

Publication number: CN220544392U
Application number: CN202321952941.6U
Authority: CN
Inventors: 罗晓霞; 刘卫锋; 方亚婷; 代雅贤
Original assignee: Avic Optoelectronics Precision Electronics Guangdong Co ltd
Current assignee: Avic Optoelectronics Precision Electronics Guangdong Co ltd
Priority date: 2023-07-24
Filing date: 2023-07-24
Publication date: 2024-02-27
Anticipated expiration: 2033-07-24

Abstract

The utility model discloses an interference elastic arm grounding electric connector which comprises a plastic body, wherein the outer wall of the rear end of the plastic body is provided with uniformly distributed inserting and clamping grooves, the outer wall of the upper end of the plastic body is provided with a plastic cover, a flexible flat cable is arranged between the plastic cover and the plastic body, and the outer wall of the upper end of the middle section of the plastic body is provided with uniformly distributed grooves. In the utility model, the grounding mechanism is extended inwards from the inside to the outside through the metal fixing feet, the gap between the extending sheet and the bottom of the rubber core is smaller than the thickness of the flexible flat cable, interference is generated between the elastic resilience of the extending sheet and the shielding conductive coating on the flexible flat cable after the thickness of the flexible flat cable is inserted, the two-edge burrs are eliminated through extrusion forming of the contact area of the signal pin, the flexible flat cable is ensured to be inserted, the flexible flat cable is not scratched by the burrs at the two sides of the contact point of the signal pin in the pulling-out process, the contact short circuit is prevented from effectively contacting, noise interference is inhibited, the signal transmission quality is improved, the contact performance is stable, the assembly efficiency is improved, and the manufacturing cost is reduced.

Description

Interference spring arm grounding electric connector

Technical Field

The utility model relates to the technical field of electric wiring, in particular to an interference elastic arm grounding electric connector.

Background

Besides meeting the general performance requirements, the electric connector has the particularly important requirements that the electric connector has to achieve good contact, reliable work and convenient maintenance, and whether the work reliability directly affects the normal work of an aircraft circuit or not relates to the security risk of the whole host.

At present, the market electric connector is entirely coated by an iron shell, the assembly efficiency is low, the cost is high, and the SMT coplanarity of the product is difficult to control. The bottom of the metal iron shell is easy to overlap with other conductive elements on the PCB, so that poor short circuit is caused. The puncture contact mode is easy to cause the damage of the shielding coating on the flexible flat cable. Leading to the hidden trouble of poor contact after multiple plugging.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides an interference elastic arm grounding electric connector.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an interference bullet arm grounding electric connector, includes the plastic body, plastic body rear end outer wall is provided with the card slot that distributes evenly, plastic body upper end outer wall is provided with the plastics lid, be provided with soft winding displacement in the middle of plastics lid and the plastic body, plastic body middle section upper end outer wall is provided with the recess that distributes evenly, both ends below all is provided with the buckle around the plastic body left side, both ends are provided with first extension piece and second extension piece around the plastic body is inside, first extension piece lower extreme fixedly connected with second is fixed to soldering tin foot, soft winding displacement is provided with the bullet hole with first extension piece, second extension piece contact position department.

As a further description of the above technical solution:

four metal fixing feet are fixedly connected to four corners of the lower end of the plastic body.

As a further description of the above technical solution:

the outer wall of the lower end of the plastic cover is provided with evenly distributed plastic cover grooves.

As a further description of the above technical solution:

the outer walls of the front end and the rear end of the plastic cover are fixedly connected with rotating shafts, and the rotating shafts are matched with the rotating shaft holes.

As a further description of the above technical solution:

and the front end and the rear end of the flexible flat cable are respectively provided with a flexible flat cable clamping groove.

As a further description of the above technical solution:

the outer wall of the right side of the plastic body is provided with a plastic body groove.

As a further description of the above technical solution:

signal pins which are uniformly distributed are arranged in the card inserting groove, and burrs are arranged on the outer wall of the lower end of the signal pin.

As a further description of the above technical solution:

the lower end of the second extension piece is fixedly connected with a first fixed soldering tin pin.

The utility model has the following beneficial effects:

in the utility model, the grounding mechanism is extended inwards from the inside to the outside through the metal fixing feet, the gap between the extending sheet and the bottom of the rubber core is smaller than the thickness of the flexible flat cable, interference is generated between the elastic resilience of the extending sheet and the shielding conductive coating on the flexible flat cable after the thickness of the flexible flat cable is inserted, the two-edge burrs are eliminated through extrusion forming of the contact area of the signal pin, the flexible flat cable is ensured to be inserted, the flexible flat cable is not scratched by the burrs at the two sides of the contact point of the signal pin in the pulling-out process, the contact short circuit is prevented from effectively contacting, noise interference is inhibited, the signal transmission quality is improved, the contact performance is stable, the assembly efficiency is improved, and the manufacturing cost is reduced.

Drawings

Fig. 1 is a formal structure diagram of an interference spring arm grounding electric connector according to the present utility model;

fig. 2 is a detailed structure diagram of an interference spring arm grounding electric connector according to the present utility model;

fig. 3 is an exploded view of an extension piece and a flexible flat cable contact structure of an interference spring arm grounding electric connector according to the present utility model.

Fig. 4 is a structural diagram of a second extension piece of an interference spring arm grounding electric connector according to the present utility model

Fig. 5 is a structural diagram of a first extension piece of an interference spring arm grounding electric connector according to the present utility model;

fig. 6 is a schematic diagram of burrs on two sides of a signal pin of an interference spring arm grounding electric connector according to the present utility model.

Legend description:

1. a plastic body; 2. a metal fixing foot; 3. a card inserting groove; 4. a groove; 5. a plastic cover; 6. a first extension piece; 7. a buckle; 8. soft flat cable; 9. a soft-row wire clamping groove; 10. a rotation shaft hole; 11. a rotating shaft; 12. a second extension piece; 13. a plastic lid recess; 14. a signal pin; 15. a plastic body groove; 16. a rebound hole; 17. a first fixed solder leg; 18. a second fixed solder leg; 19. and (5) burrs.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-6, one embodiment provided by the present utility model is: the utility model provides an interference bullet arm grounding electric connector, including plastic body 1, plastic body 1 rear end outer wall is provided with evenly distributed's card slot 3, plastic body 1 upper end outer wall is provided with plastic lid 5, be provided with soft winding displacement 8 in the middle of plastic lid 5 and the plastic body 1, inject the recess 4 the inside, plastic body 1 middle section upper end outer wall is provided with evenly distributed's recess 4, both ends below all is provided with buckle 7 around plastic body 1 left side, fix soft winding displacement 8, both ends are provided with first extension piece 6 and second extension piece 12 around plastic body 1 is inside, first extension piece 6 lower extreme fixedly connected with second fixed soldering tin foot 18, soft winding displacement 8 and first extension piece 6, second extension piece 12 contact position department is provided with bullet hole 16.

Four metal fixing feet 2 are fixedly connected to four corners of the lower end of the plastic body 1, the metal fixing feet 2 are riveted into the plastic body 1, plastic cover grooves 13 which are uniformly distributed are formed in the outer wall of the lower end of the plastic cover 5, rotating shafts 11 are fixedly connected to the outer walls of the front end and the rear end of the plastic cover 5, the rotating shafts 11 are matched with rotating shaft holes 10, the degree of the plastic cover can be reached, the plastic cover 5 can rotate, soft-row wire clamping grooves 9 are formed in the front end and the rear end of the soft-row wire 8, signal pins 14 are inserted, plastic body grooves 15 are formed in the outer walls of the right side of the plastic body 1, signal pins 14 which are uniformly distributed are arranged inside the inserting grooves 3, burrs 19 are formed in the outer wall of the lower end of the signal pins 14, and first fixed solder pins 17 are fixedly connected to the lower end of the second extension piece 12.

Working principle: the signal pin 14 is inserted into the card slot 3 of the plastic body 1, the plastic cover 5 is placed in the placing area of the plastic body 1, the metal fixing pin 2 is riveted into the plastic body 1, the plastic cover 5 is limited and supported, the rotating shaft 11 of the plastic cover 5 rotates with the rotating shaft hole 10 of the plastic body 1, the plastic cover 5 is opened by a certain angle, the flexible flat cable 8 is inserted into the electric connector, the gap between the grounding mechanism extending from the left and right metal fixing pins 2 and the plastic at the bottom is smaller than the thickness of the flexible flat cable 8, the conductive coating interference conduction between the resilience of the first extending sheet 6 and the second extending sheet 12 and the grounding conductive coating on the flexible flat cable 8 is conducted, namely, the function of inhibiting noise from being led into a grounding loop is completed, when the flexible flat cable 8 is inserted into the electric connector, the plastic cover 5 is closed, the burrs 19 on the contact thickness direction of the plurality of signal pins 14 are eliminated by the extrusion process, the problem that the burrs 19 on the contact area of the flexible flat cable 8 stab the flexible flat cable 8 cause poor contact with the soft flat cable is solved, the poor contact is caused by scraping copper, and the poor contact is caused by the soft flat cable is effectively achieved, and the signal transmission function is completed.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides an interference spring arm grounding electric connector, includes plastic body (1), its characterized in that: plastic body (1) rear end outer wall is provided with evenly distributed card slot (3), plastic body (1) upper end outer wall is provided with plastics lid (5), be provided with soft winding displacement (8) in the middle of plastics lid (5) and plastic body (1), plastic body (1) middle section upper end outer wall is provided with evenly distributed recess (4), both ends below all is provided with buckle (7) around plastic body (1) left side, both ends are provided with first extension piece (6) and second extension piece (12) around plastic body (1) are inside, first extension piece (6) lower extreme is connected with fixed soldering tin foot (18) of second, soft winding displacement (8) are provided with bullet hole (16) with first extension piece (6), second extension piece (12) contact position department.

2. An interference spring arm grounding electrical connector as defined in claim 1, wherein: four metal fixing feet (2) are fixedly connected to four corners of the lower end of the plastic body (1).

3. An interference spring arm grounding electrical connector as defined in claim 1, wherein: the outer wall of the lower end of the plastic cover (5) is provided with evenly distributed plastic cover grooves (13).

4. An interference spring arm grounding electrical connector as defined in claim 1, wherein: the outer walls of the front end and the rear end of the plastic cover (5) are fixedly connected with rotating shafts (11), and the rotating shafts (11) are matched with rotating shaft holes (10).

5. An interference spring arm grounding electrical connector as defined in claim 1, wherein: the front end and the rear end of the soft flat cable (8) are respectively provided with a soft flat cable clamping groove (9).

6. An interference spring arm grounding electrical connector as defined in claim 1, wherein: the outer wall of the right side of the plastic body (1) is provided with plastic body grooves (15).

7. An interference spring arm grounding electrical connector as defined in claim 1, wherein: signal pins (14) which are uniformly distributed are arranged in the card inserting groove (3), and burrs (19) are formed on the outer wall of the lower end of the signal pin (14).

8. An interference spring arm grounding electrical connector as defined in claim 1, wherein: the lower end of the second extension piece (12) is fixedly connected with a first fixed soldering tin pin (17).