CN212784065U

CN212784065U - Spring sheet structure of electric connector

Info

Publication number: CN212784065U
Application number: CN202021746915.4U
Authority: CN
Inventors: 程正云
Original assignee: Shenzhen Zhengheng Precision Technology Co ltd
Current assignee: Shenzhen Zhengheng Precision Technology Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-03-23
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses an electric connector's shell fragment structure, including insulator, metal casing and EMC shell fragment, the metal casing cover is established insulator is last and with the contact of EMC shell fragment, be provided with a plurality of elastic arm on the EMC shell fragment, be provided with the contact site on the elastic arm, be provided with the fixed slot in insulator's the mounting groove, be provided with the contact hole in the fixed slot, the elastic arm sets up in the fixed slot, and the contact site passes contact hole and female end connector contact, the elastic arm is acceptd in the fixed slot, can increase distance between elastic arm and the metal casing can avoid the elastic arm striking metal casing's inner wall prevents the EMC shell fragment receives the damage.

Description

Spring sheet structure of electric connector

Technical Field

The utility model relates to an electric connector technical field especially relates to an electric connector's shell fragment structure.

Background

With the rapid development of society, various electric appliances and terminal devices are rapidly popularized, and when the electric appliances or some terminal devices are used, a power supply is generally connected through an electric connector, or a female connector is connected through the electric connector. The EMC elastic sheet is generally arranged on the existing electric connector and is used for contacting with the female end connector, the existing electric connector is provided with a plurality of EMC elastic sheets when the female end connector is plugged, the EMC elastic sheets are easy to impact the shell to deform, and the EMC elastic sheets are damaged.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses an electric connector's shell fragment structure can do further spacing to the EMC shell fragment to can prevent that the EMC shell fragment from striking metal casing.

The utility model discloses an electric connector's shell fragment structure, including insulator, metal casing and EMC shell fragment, the EMC shell fragment passes through the mounting groove to be fixed insulator is last, be provided with a plurality of elastic arm on the EMC shell fragment, be provided with the contact site on the elastic arm, be provided with the fixed slot in the mounting groove, be provided with the contact hole on the bottom surface of fixed slot, the elastic arm sets up in the fixed slot, and the contact site passes contact hole and female end connector contact, be provided with spacing flange on the elastic arm, be provided with in the fixed slot with spacing flange matched with spacing groove, the metal casing cover is established insulator is last and with the EMC shell fragment contacts.

Further, be provided with first locating plate on the EMC shell fragment, be provided with in the mounting groove with first locating plate matched with first locating groove, the elastic arm is kept away from the one end of contact part with first locating plate fixed connection.

Further, a certain angle is formed between the elastic arm and the first positioning plate, and the angle is smaller than 90 degrees.

Furthermore, be provided with a plurality of location arm on the first locating plate, a plurality of location arm and a plurality of the spring arm is crisscross to be distributed, the location arm is attached on the bottom surface of mounting groove, be provided with the second constant head tank on the location arm, be provided with on the insulator with second constant head tank complex second location is protruding.

Furthermore, a contact is arranged on the positioning arm and is in contact with the inner wall of the metal shell.

Furthermore, the two ends of the EMC elastic sheet are respectively provided with a clamping plate, the two ends of the mounting groove are provided with clamping grooves, and the clamping plates extend into the clamping grooves and are clamped with the insulation body.

Furthermore, the number of the EMC elastic sheets is two, and the EMC elastic sheets are symmetrically arranged on the insulating body.

The technical scheme of the utility model, compared with the prior art, beneficial effect is:

the elastic arm is accommodated in the fixing groove, the distance between the elastic arm and the metal shell can be increased, when the electric connector is connected with the female end connector in a plugging mode, the female end connector drives the elastic arm to do elastic movement through the contact part, the distance between the elastic arm and the metal shell can be increased, the elastic arm can be prevented from impacting the inner wall of the metal shell, and the EMC elastic sheet can be prevented from being damaged; the limiting groove is used for further limiting the elastic arm through the limiting convex plate, and the elastic arm can be prevented from shaking.

Drawings

FIG. 1 is an exploded view of a spring structure;

FIG. 2 is a cross-sectional view of the spring structure;

FIG. 3 is an enlarged view of area A of FIG. 1;

FIG. 4 is a schematic structural diagram of an EMC spring;

description of the figures

100. A spring plate structure; 10. an insulating body; 11. mounting grooves; 12. a first positioning groove; 13. A card slot; 14. fixing grooves; 15. a contact hole; 16. a limiting groove; 17. a second positioning projection; 20. a metal housing; 30. an EMC spring sheet; 31. first positioning; 32. clamping a plate; 321. clamping the bulges; 33. a resilient arm; 331. a limiting convex plate; 34. a contact portion; 35. a positioning arm; 36. A second positioning groove; 37. and (4) a contact.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it should be noted that when one component is considered to be "connected" to another component, it may be directly connected to the other component or intervening components may exist. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; either mechanically or electrically, and may be internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

It should be further noted that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 and fig. 2, the utility model discloses an elastic sheet structure 100 of electric connector, including insulator 10, metal casing 20 and EMC elastic sheet 30, metal casing 20 cup joints the outside of insulator 10, EMC elastic sheet 30 passes through mounting groove 11 to be fixed on even machine body 10 and with metal casing 20 contacts. The number of the EMC spring pieces 30 is two, and the two EMC spring pieces are respectively and symmetrically arranged on the insulation body 10.

With continued reference to fig. 3 and 4, the EMC spring pieces 30 are fixed at the end positions of the insulation body 10 through the mounting grooves 11, and when the insulation body 10 is plugged into the female terminal connector, the two EMC spring pieces 30 are respectively in contact with the upper surface and the lower surface of the female terminal connector. Be provided with first locating plate 31 on the EMC shell fragment 30, be provided with in the mounting groove 11 with first locating groove 12 that first locating plate 31 is corresponding, first locating plate 31 stretches into in the first locating groove 12, will EMC shell fragment 30 is fixed on the insulator 10.

The two ends of the EMC elastic sheet 30 are respectively provided with a clamping plate 32, the two ends of the mounting groove 11 are respectively provided with a clamping groove 13, the clamping plates 32 extend into the clamping grooves 13 and are fixed through the clamping grooves 13, and then the two ends of the EMC elastic sheet 30 are fixed on the insulating body 10. Clamping protrusions 321 are respectively arranged on two side edges of the clamping plate 32, and when the clamping plate 32 extends into the clamping groove 13, the clamping protrusions 321 tightly support two side walls of the clamping groove 13 to prevent the clamping plate 32 from falling off from the clamping groove 13.

Be provided with a plurality of elastic arm 33 on the EMC shell fragment 30, a plurality of elastic arm 33 all is located same one side of first locating plate 31, elastic arm 33 with first locating plate 31 integrated into one piece, elastic arm 33's first end with first locating plate 31 fixed connection, elastic arm 33's second end is provided with contact site 34, contact site 34 by elastic arm 33's second end is bent and is formed. Be provided with fixed slot 14 in the mounting groove 11, be provided with contact hole 15 in the fixed slot 14, contact hole 15 runs through the bottom surface of fixed slot 14, elastic arm 33 is located in the fixed slot 14, and make contact portion 34 pass contact hole 15, when insulator 10 is pegged graft with female end connector, two elastic arm 33 on the EMC shell fragment 30 is respectively through contact portion 34 is to the upper surface and the lower surface of female end connector contact, and the electricity is connected. Elastic arm 33 all is located in fixed slot 14, can increase elastic arm 33 with distance between the metal casing 20 works as insulator 10 with when female end connector is pegged graft, female end connector accessible contact site 34 is right elastic arm 33 applys an outside power, makes the outside perk of second end of elastic arm 33, the increase distance between elastic arm 33 and the metal casing 20 can be avoided elastic arm 33 striking metal casing 20's inner wall prevents EMC shell fragment 30 receives the damage.

Further, the elastic arm 33 and a certain angle is formed between the first positioning plates 31, the angle is smaller than 90 degrees, and when the female end connector passes through the contact part 34 is right the elastic arm 33 applies an outward force, so that when the second end of the elastic arm 33 is tilted, the second end of the elastic arm 33 can be prevented from impacting the inner wall of the metal shell 20, and the EMC elastic piece 30 is prevented from being damaged.

The elastic arm 33 is provided with a limiting convex plate 331, the fixing groove 14 is internally provided with a limiting groove 16 matched with the limiting convex plate 331, when the elastic arm 33 is positioned in the fixing groove 14, the limiting convex plate 331 is positioned in the limiting groove 16, and the limiting groove 16 limits the elastic arm 33 through the limiting convex plate 331, so that the elastic arm 33 is prevented from shaking.

Be provided with a plurality of locating arm 35 on the first locating plate 31, locating arm 35 with elastic arm 33 all is located same one side of first locating plate 31, locating arm 35 with first locating plate 31 integrated into one piece, the one end of locating arm 35 with first locating plate 31 fixed connection. A plurality of location arm 35 and a plurality of the elastic arm 33 is crisscross to be distributed, location arm 35 is attached on the bottom surface of mounting groove 11, be provided with second constant head tank 36 on the location arm 35, be provided with on insulator 10 with second constant head tank 36 matched with second location is protruding 17, second location is protruding 17 to stretch into in the second constant head tank 36 right location arm 35 is fixed a position, can prevent EMC shell fragment 30 is in rock in the mounting groove 11.

The positioning arm 35 is provided with a contact 37, the EMC spring 30 contacts with the metal shell 20 through the contact 37, and the metal shell 20 is connected with a ground circuit through an electrical element.

The present invention can be designed in various embodiments and modifications without departing from the spirit and scope of the present invention in its broadest sense, and the above-described embodiments are intended to illustrate the present invention, but not to limit the scope of the present invention.

Claims

1. The utility model provides an electric connector's shell fragment structure, includes insulator, metal casing and EMC shell fragment, the EMC shell fragment passes through the mounting groove to be fixed on the insulator, a serial communication port, be provided with a plurality of elastic arm on the EMC shell fragment, be provided with the contact site on the elastic arm, be provided with the fixed slot in the mounting groove, be provided with the contact hole on the bottom surface of fixed slot, the elastic arm sets up in the fixed slot, and the contact site passes contact hole and female end connector contact, be provided with spacing flange on the elastic arm, be provided with in the fixed slot with spacing flange matched with spacing groove, the metal casing cover is established on the insulator and with the EMC shell fragment contact.

2. An elastic piece structure of an electrical connector according to claim 1, wherein a first positioning plate is disposed on the EMC elastic piece, a first positioning groove is disposed in the mounting groove and is matched with the first positioning plate, and an end of the elastic arm away from the contact portion is fixedly connected to the first positioning plate.

3. The spring structure of an electrical connector of claim 2, wherein an angle is formed between the elastic arm and the first positioning plate, and the angle is smaller than 90 degrees.

4. The spring plate structure of an electrical connector according to claim 3, wherein the first positioning plate has a plurality of positioning arms, the plurality of positioning arms and the plurality of elastic arms are distributed in a staggered manner, the positioning arms are attached to the bottom surface of the mounting groove, the positioning arms have second positioning grooves, and the insulating body has second positioning protrusions engaged with the second positioning grooves.

5. The spring structure of an electrical connector as claimed in claim 4, wherein the positioning arm is provided with a contact, and the contact is in contact with an inner wall of the metal shell.

6. An elastic piece structure of an electrical connector according to claim 2, wherein two ends of the EMC elastic piece are respectively provided with a clip board, two ends of the mounting groove are provided with a clip groove, and the clip boards extend into the clip grooves to be clipped with the insulating body.

7. An electrical connector spring structure as claimed in any one of claims 1 to 6, wherein the number of the EMC springs is two, and the EMC springs are symmetrically arranged on the insulating body.