CN-122000677-A - Middle frame assembly and electronic equipment

Abstract

The embodiment of the application provides a middle frame assembly and electronic equipment. The middle frame assembly comprises a middle frame and a grounding structure, wherein the middle frame is provided with an accommodating space, the middle frame comprises an antenna and a grounding part, the antenna and the grounding part are connected through a connecting rib structure, the grounding structure is fixedly arranged in the grounding part and located in the accommodating space, the grounding structure is provided with a first connecting end and a second connecting end, the first connecting end is used for being connected with a first grounding part on a front shell of the electronic equipment, and the second connecting end is used for being connected with a second grounding part on a display screen of the electronic equipment. Compared with the mode that the front shell and the display screen are respectively provided with the grounding structures for grounding, the middle frame assembly can achieve connection of the first grounding part of the front shell and the grounding part of the middle frame and connection of the second grounding part of the display screen and the grounding part of the middle frame only through the grounding structures, space is saved, antenna performance is guaranteed, and meanwhile space occupied by the grounding structures of the front shell and the display screen is reduced.

Inventors

• WANG YU
• HU WENLONG
• FAN YONG
• ZHANG KE

Assignees

• 荣耀终端股份有限公司

Dates

Publication Date

20260508

Application Date

20241029

Claims (18)

1. 1. A middle frame assembly is characterized by being applied to electronic equipment, and comprises: The middle frame is provided with an accommodating space and comprises an antenna and a grounding part, wherein the antenna and the grounding part are connected through a connecting rib structure; The grounding structure is fixedly arranged on the grounding part and positioned in the accommodating space, and is provided with a first connecting end and a second connecting end, wherein the first connecting end is used for being connected with a first grounding part on the front shell of the electronic equipment, and the second connecting end is used for being connected with a second grounding part on the display screen of the electronic equipment.
2. 2. The mullion assembly of claim 1, wherein the grounding structure comprises: A main body part fixedly arranged on the grounding part of the middle frame; A first elastic portion having one end connected to the main body portion and the other end extending in a direction away from the main body portion, the first elastic portion being formed as the first connection end; and a second elastic portion having one end connected to the main body portion and the other end extending in a direction away from the main body portion, and formed as the second connection end.
3. 3. The middle frame assembly of claim 2, wherein the grounding structure is a spring plate, the spring plate comprising: a spring body as the body portion; A first elastic arm extending from the elastic piece main body in a direction away from the elastic piece main body and bending in a direction away from the ground contact portion as the first elastic portion; The second elastic arm is used as the second elastic part, extends from the elastic piece main body to the direction far away from the elastic piece main body and bends to the direction far away from the grounding part, and the orthographic projection of the second elastic arm on the grounding part forms a preset angle with the orthographic projection of the first elastic arm on the grounding part.
4. 4. The mullion assembly of claim 2, wherein the grounding structure comprises: The elastic piece comprises an elastic piece main body and a first elastic arm, wherein the elastic piece main body is used as the main body part, and the first elastic arm is used as the first elastic part, extends from the elastic piece main body to the direction far away from the elastic piece main body and is bent to the direction far away from the grounding part; and the elastic conductive filling piece is used as the second elastic part and is fixedly arranged on one side of the elastic sheet main body, which is far away from the grounding part of the middle frame.
5. 5. The center frame assembly of any one of claims 2 to 4, wherein the center frame comprises a frame body and a bottom plate; The frame body is arranged at the edge of the bottom plate, and the frame body and the bottom plate are connected and arranged to jointly enclose the accommodating space; The base plate comprises the grounding part and the connecting rib structure, and the connecting rib structure extends from the grounding part to the antenna and is connected with the antenna.
6. 6. The middle frame assembly of claim 5, wherein the frame assembly comprises, Orthographic projection of the first elastic part on the bottom plate and the connecting rib structure have an overlapping area; The maximum distance between one side of the connecting rib structure, which is far away from the antenna, in the first direction and one side of the main body part, which is far away from the antenna, in the first direction is less than 10mm; The first direction is the length direction or the width direction of the middle frame.
7. 7. The mullion assembly of claim 6, wherein a minimum distance between the main body portion and the enclosure is greater than 0.3mm.
8. 8. The middle frame assembly of claim 4, wherein the elastic conductive filler is conductive foam or conductive silver paste.
9. 9. The middle frame assembly according to claim 3 or 4, wherein the thickness of the spring sheet is 0.1mm-0.2mm; the elastic sheet is made of metal.
10. 10. The middle frame assembly of claim 3, wherein, The hemispherical convex structure of the first elastic arm is used for being abutted with the front shell; the hemispherical convex structure is arranged at one end of the second elastic arm, which is far away from the main body part, and is used for being abutted with the display screen.
11. 11. A center frame assembly according to claim 3, wherein the predetermined angle is 90 °.
12. 12. The mullion assembly of claim 1, wherein the grounding structure is disposed at a corner location of the mullion.
13. 13. The center frame assembly of claim 1, wherein the center frame includes a metallic portion and a non-metallic portion disposed in connection; The metal part comprises the antenna, the grounding part and the connecting rib structure; a hollowed-out area is arranged between the grounding part and the antenna; at least a portion of the nonmetallic portion fills the hollowed-out area.
14. 14. An electronic device comprising a display screen, a front housing, and the center assembly of any one of claims 1 to 13; The display screen is arranged on one side, far away from the middle frame, of the grounding structure and is connected with the middle frame; At least part of the front shell is positioned at one side of the display screen far away from the middle frame and covers the edge of the display screen; The middle frame assembly comprises a middle frame, a display screen, a middle frame, a grounding structure and a second grounding part, wherein the middle frame assembly is arranged between the display screen and the middle frame, a first connecting end of the grounding structure is connected with the first grounding part on the front shell, and a second connecting end of the grounding structure is connected with the second grounding part on the display screen.
15. 15. The electronic device of claim 14, wherein the electronic device comprises a memory device, The front shell is made of nonmetal, a metal layer with a preset area is covered on the position, corresponding to the first connecting end of the grounding structure, of the outer surface of the front shell, and the metal layer is formed into the first grounding part; The display screen comprises a luminous functional layer, a supporting substrate and a bamboo book; the light-emitting functional layer comprises a first part, a bending part and a second part which are sequentially connected, wherein the second part is positioned on the non-display side of the first part; The support substrate is positioned between the first part and the second part and is used for supporting the second part; the bamboo book is positioned between the supporting substrate and the first part and used for supporting the first part, and the second grounding part is arranged on the bamboo book.
16. 16. The electronic device of claim 15, wherein the electronic device comprises a memory device, And the orthographic projection of the second part on the bamboo book and the orthographic projection of the grounding structure on the bamboo book are arranged at intervals.
17. 17. The electronic device of claim 14, wherein the electronic device comprises a memory device, The number of the middle frames is two, and the middle frames comprise a first middle frame and a second middle frame; The electronic equipment further comprises a rotating shaft mechanism, wherein two sides of the rotating shaft mechanism are respectively connected with the first middle frame and the second middle frame in a rotating way so as to drive the first middle frame and the second middle frame to rotate around the rotating shaft mechanism in the opposite direction or in the opposite direction, so that the electronic equipment is switched between a folded state and a flattened state; Magnetic structures are arranged on the first middle frame and the second middle frame, and the magnetic structures are positioned in the accommodating space; When the electronic equipment is in the folded state, the magnetic structure of the first middle frame and the magnetic structure of the second middle frame are attracted to each other.
18. 18. The electronic device of claim 17, wherein the electronic device comprises a memory device, The number of the magnetic structures is 4, and the magnetic structures are respectively arranged at two corners of the first middle frame far away from the rotating shaft mechanism, and at two corners of the second middle frame far away from the rotating shaft mechanism; The magnetic structure is arranged at intervals with the grounding structure.

Description

Middle frame assembly and electronic equipment Technical Field The present application relates to the field of electronic products, and in particular, to a middle frame assembly and an electronic device. Background Electronic equipment such as mobile phones and the like realize a communication function through an antenna. In the related art, a metal frame body part of a middle frame of an electronic device is generally adopted as an antenna, and a grounding structure is arranged near a connecting rib part between the antenna and a bottom plate of the middle frame, so that a front shell (A shell) and a display screen of the electronic device are respectively grounded to ensure the performance of the antenna. With the light and thin design of electronic devices and the increase of elements in electronic devices, the internal space of electronic devices is more and more tensioned, and the grounding structure in the related art occupies a larger space, so that the performance of an antenna is affected if the grounding structure is removed. Therefore, how to reduce the space occupied by the grounding structure while ensuring the performance of the antenna is a problem that needs to be solved by those skilled in the art. Disclosure of Invention The embodiment of the application aims to provide a middle frame assembly and electronic equipment, so that the space occupied by the grounding structures of a front shell and a display screen is reduced while the performance of an antenna is ensured. The specific technical scheme is as follows: The embodiment of the first aspect of the application provides a middle frame assembly which is applied to electronic equipment, wherein the middle frame assembly comprises a middle frame and a grounding structure, the middle frame is provided with an accommodating space, the middle frame comprises an antenna and a grounding part, the antenna and the grounding part are connected through a connecting rib structure, the grounding structure is fixedly arranged in the grounding part and is positioned in the accommodating space, the grounding structure is provided with a first connecting end and a second connecting end, the first connecting end is used for being connected with a first grounding part on a front shell of the electronic equipment, and the second connecting end is used for being connected with a second grounding part on a display screen of the electronic equipment. From the above, the middle frame assembly according to the embodiment of the application includes a middle frame and a grounding structure. The middle frame comprises an antenna and a grounding part, the antenna and the grounding part are connected through a connecting rib structure, the grounding structure is fixedly arranged in the grounding part and positioned in the accommodating space, namely, the grounding structure is arranged near the connecting rib structure, the connecting position of the grounding structure and the grounding part is adjacent to the connecting rib structure, the arrangement position is favorable for guaranteeing the performance of the antenna, the grounding structure is provided with a first connecting end and a second connecting end, the first connecting end is used for being connected with a first grounding part on a front shell of the electronic equipment, and the second connecting end is used for being connected with a second grounding part on a display screen of the electronic equipment. Compared with the mode that the front shell and the display screen are respectively provided with the grounding structures for grounding, the middle frame assembly can achieve connection of the first grounding part of the front shell and the grounding part of the middle frame and connection of the second grounding part of the display screen and the grounding part of the middle frame only through the grounding structures, space is saved, antenna performance is guaranteed, and meanwhile space occupied by the grounding structures of the front shell and the display screen is reduced. In some embodiments of the application, the grounding structure comprises: A main body part fixedly arranged on the grounding part of the middle frame; A first elastic portion having one end connected to the main body portion and the other end extending in a direction away from the main body portion, the first elastic portion being formed as the first connection end; and a second elastic portion having one end connected to the main body portion and the other end extending in a direction away from the main body portion, and formed as the second connection end. From the above, namely the main body part is connected with the grounding part of the middle frame, the first elastic part extends from the main body part to the first grounding part of the front shell, the second elastic part extends from the main body part to the second grounding part on the display screen, the setting mode and the extending direction of the two ela