CN-115882251-B - Electric connector with grounding spring piece and electronic equipment

Abstract

The invention provides an electric connector with a grounding spring piece and electronic equipment, belongs to the technical field of signal transmission, and solves the technical problems of poor stability and poor noise reduction effect of ground contact of the traditional electric connector and a flat cable. The electric connector is used for being detachably fixed with a flat cable, and comprises an accommodating space for accommodating a conductive terminal, a rotating pressing plate and a grounding spring plate, wherein the rotating pressing plate and the grounding spring plate are rotatably connected with an insulating seat to rotate away from and press the insulating seat relative to the accommodating space, the grounding spring plate comprises a fixing part, a grounding part, a conductive part and a pressing part extending into the upper part of the accommodating space, the fixing part is fixedly connected with one side end of the insulating seat, the conductive part is arranged on the pressing part, the pressing part extends towards the accommodating space, the pressing part presses the conductive part to be electrically connected with the grounding part of a shielding layer on the flat cable under the action of pressing force generated when the rotating pressing plate is pressed, and the grounding part is grounded through the conductive part and the grounding part. The invention has the advantages of high stability of ground contact and good dryness reducing effect.

Inventors

• ZHANG YONGHENG

Assignees

• 深圳市欧康精密技术有限公司

Dates

Publication Date

20260512

Application Date

20221028

Claims (5)

1. 1. An electrical connector having a grounding spring for detachably securing with a flat cable, comprising: An insulating seat, wherein an accommodating space for accommodating the conductive terminal is formed in the insulating seat, and the flat cable can be inserted into or pulled out of the accommodating space; the rotating pressing plate is rotationally connected with the insulating seat so as to rotate away from and press fit relative to the accommodating space; The grounding elastic piece comprises a fixing part, a grounding part, a conductive part and a pressing part extending into the upper part of the accommodating space, wherein the fixing part is fixedly connected with one side end of the insulating seat, the conductive part is arranged on the pressing part, the pressing part extends towards the accommodating space, under the action of the pressing force when the rotating pressing plate is pressed, the pressing part presses the conductive part to be in conductive connection with the conductive part of the shielding layer on the flat cable, and the conductive part is grounded through the conductive part and the grounding part; The fixed part is in a plate shape, the grounding spring plate further comprises a spring rotating part and a supporting part, the spring rotating part is connected with the top of the fixed part, and two ends of the supporting part are respectively connected with the spring rotating part and the supporting part; The grounding elastic sheet further comprises a first bending part which is connected with the supporting part and is positioned at one end far away from the pressing part, the first bending part is provided with a first guide surface, and a first guide cambered surface is arranged at the joint of the first bending part and the supporting part; The grounding spring piece further comprises a second bending part which is connected with the abutting part and is adjacent to the grounding part, the second bending part is provided with a second guide surface, and a second guide cambered surface is arranged at the joint of the second bending part and the abutting part; The first guide surface is located upstream of the second guide surface in an insertion direction of the flat cable into the accommodating space; the first guide surface and the second guide surface are respectively in a first included angle and a second included angle which are acute angles with the insertion direction, the first included angle is larger than the second included angle, and the curvature of the first guide cambered surface is larger than the curvature of the second guide cambered surface.
2. 2. The electrical connector of claim 1, wherein the pressing portion is formed in a flat plate shape, the conductive portion is formed in a convex curved structure and is disposed at an end of the pressing portion opposite to the fixing portion, and the convex curved structure abuts against the ground portion in a state that the rotating pressing plate is pressed against the accommodating space.
3. 3. The electrical connector of claim 1, wherein the grounding spring further comprises a chute provided with a first rounded surface and arranged on the pressing portion, one end surface of the chute is sequentially connected with the respective end surfaces of the supporting portion and the first bending portion, the other end surface of the chute is connected with one end surface of the second bending portion, the first rounded surface is positioned between two end surfaces of the chute, the pressing portion is further provided with a second rounded surface arranged at intervals with the first rounded surface, and the first rounded surface and the second rounded surface have a common center.
4. 4. An electrical connector according to any one of claims 1 to 3, wherein pressing surfaces facing the corresponding pressing portions are provided at both ends of the rotating pressing plate, respectively, and the pressing surfaces at the same end apply a force to the circumferential surfaces of the pressing portions around the conductive portions.
5. 5. An electronic device comprising an electrical connector with a grounded spring as claimed in any one of claims 1 to 4.

Description

Electric connector with grounding spring piece and electronic equipment Technical Field The invention belongs to the technical field of signal transmission, and particularly relates to an electric connector with a grounding spring piece and electronic equipment. Background At present, the electrical connector is often arranged on a printed circuit board and is connected with a flat cable, for example, to realize signal transmission, thereby playing a role of connecting a main board, a screen and the like, and being widely applied to electronic equipment such as mobile phones, computers, automobile navigation instruments and the like. Since the flat cable is often interfered by external signals during the signal transmission process, a shielding layer including a grounding portion is disposed on the surface layer of the flat cable for shielding the interference of the external signals, and the grounding portion of the shielding layer is contacted with the electrical connector to ground the flat cable, so as to remove the noise accumulated on the flat cable into the ground circuit. However, the current ground contact between the grounding portion of the shielding layer and the ground of the electrical connector lacks positioning force, so that the ground contact between the grounding portion of the shielding layer and the ground contact is not reliable and accurate enough, and the ground contact has poor stability and poor noise reduction effect. Disclosure of Invention In view of the above, the present invention provides an electrical connector and an electronic device with a grounding spring, which are used for solving the technical problems of poor stability and poor drying effect of the grounding contact in the prior art. The invention adopts the technical scheme that: The invention provides an electric connector with a grounding spring piece, which is used for being detachably fixed with a flat cable, and comprises an insulating seat, a rotating pressing plate, a grounding spring piece and a grounding part, wherein an accommodating space for accommodating a conductive terminal is arranged in the insulating seat, the flat cable can be inserted into or pulled out of the accommodating space, the rotating pressing plate is rotatably connected with the insulating seat to rotate away from and press the insulating seat relative to the accommodating space, the grounding spring piece comprises a fixing part, a grounding part, a conductive part and a pressing part extending into the upper part of the accommodating space, the fixing part is fixedly connected with one side end of the insulating seat, the conductive part is arranged on the pressing part, the pressing part extends towards the accommodating space, the pressing part is in conductive connection with the conductive part of a shielding layer on the flat cable under the action of pressing force when the rotating pressing plate is pressed, and the grounding part is grounded through the conductive part and the grounding part. Further, the pressing portion is in a flat plate shape, the conductive portion is in a convex curved surface structure and is arranged at one end of the pressing portion relatively far away from the fixing portion, and the convex curved surface structure is abutted against the ground portion in a state that the rotating pressing plate is pressed against the accommodating space. Further, the fixed part is in a plate shape, the grounding spring piece further comprises a spring rotating part and a supporting part, the spring rotating part is connected with the top of the fixed part, and two ends of the supporting part are respectively connected with the spring rotating part and the supporting part. Further, the grounding spring piece further comprises a first bending part which is connected with the supporting part and is positioned at one end far away from the pressing part, the first bending part is provided with a first guide surface, and a first guide cambered surface is arranged at the joint of the first bending part and the supporting part. Further, the grounding spring piece further comprises a second bending part connected with the pressing part and adjacent to the grounding part, the second bending part is provided with a second guide surface, and a second guide cambered surface is arranged at the joint of the second bending part and the pressing part. Further, the first guide surface is located upstream of the second guide surface in the insertion direction of the flat cable into the accommodating space. Further, the first guide surface and the second guide surface are respectively a first included angle and a second included angle which are acute angles with the insertion direction, the first included angle is larger than the second included angle, and the curvature of the first guide cambered surface is larger than the curvature of the second guide cambered surface. Further, the grounding spring piece further comprises a chute w