CN218450871U

CN218450871U - Composite middle frame structure and electronic equipment

Info

Publication number: CN218450871U
Application number: CN202222431083.2U
Authority: CN
Inventors: 方冲; 武乐强; 程建全; 王昕�
Original assignee: Nanchang Huaqin Electronic Technology Co ltd
Current assignee: Nanchang Huaqin Electronic Technology Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-02-03
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses a composite middle frame structure and an electronic device, wherein the composite middle frame structure comprises a middle frame groove, the bottom wall of the middle frame groove is provided with a metal sheet unit, and the metal sheet unit extends to the groove side wall of the middle frame groove; the groove side wall further comprises a plastic unit, and the plastic unit is formed on the metal sheet unit through in-mold injection molding. Wherein, this scheme forms the plastic unit through the mode of moulding plastics in the mould on the sheetmetal unit, makes sheetmetal unit and plastic unit can form the frame groove, compares in the scheme of conventional die-casting and CNC processing, and its processing procedure is simpler, and is consuming time shorter, has improved production efficiency to manufacturing cost has been reduced.

Description

Composite middle frame structure and electronic equipment

Technical Field

Relates to the technical field of electronic equipment structures, in particular to a composite middle frame structure and electronic equipment

Background

Electronic devices generally refer to related products such as mobile phones and tablet computers that operate on the basis of electric energy; for electronic devices such as mobile phones and tablet computers, the housing of the electronic devices includes at least three layers of housings, one layer of housing in the middle is a middle frame, one of the purposes of the middle frame is to mount a battery, for this reason, as shown in fig. 1, a groove structure such as a battery compartment structure is formed on the middle frame, and the battery compartment structure includes a battery compartment bottom 01 and a battery compartment retaining wall 02.

For the shaping of above-mentioned groove structure, the center among the prior art mainly chooses the shaping of aluminum alloy die-casting, then processes on the center through the fine-processing mode of CNC and forms all kinds of groove structure such as battery compartment structure. In the groove structure forming scheme of the middle frame structure, the cost of the middle frame structure is high due to the fact that CNC consumes long time and the manufacturing process is complex.

For this reason, it is necessary to develop a composite middle frame structure to solve the problem of high cost of the middle frame structure manufactured by die casting and CNC processing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound center structure and electronic equipment solves the higher problem of center structure cost through die-casting and CNC processing among the prior art.

To achieve the purpose, the utility model adopts the following technical proposal:

a composite center structure comprises a center groove;

a metal sheet unit is arranged on the bottom wall of the middle frame groove and extends to the side wall of the middle frame groove;

the groove side wall further comprises a plastic unit, and the plastic unit is formed on the metal sheet unit through in-mold injection molding.

Optionally, the groove side wall of the middle frame groove further includes a first metal bending part and a second metal bending part;

the first metal bending part is connected to the end part of the metal sheet unit in an integrated forming way; a first included angle part is formed between the first metal bending part and the metal sheet unit;

the second metal bending part is integrally connected to the first metal bending part, and a second included angle part is formed between the first metal bending part and the second metal bending part;

the plastic unit is further formed on the first metal bending portion and the second metal bending portion through in-mold injection molding.

Optionally, a second connecting hole is formed in the second metal bending part, a third connecting hole is formed in the plastic unit, and the second connecting hole is connected with the third connecting hole through a screw; the extension direction of the screw is perpendicular to the plane of the sheet metal unit.

Optionally, the plastic unit wraps the first metal bending part and the second metal bending part, and an end of the metal sheet unit connected with the first metal bending part extends into the plastic unit.

Optionally, the plastic unit is disposed at the second corner clip portion, one end of the plastic unit is connected to the first metal bending portion, and the other end of the plastic unit is connected to the second metal bending portion.

Optionally, the opening of the second included angle part faces opposite to the notch of the middle frame groove.

Optionally, a reinforcing metal sheet is installed at the second included angle portion, one end of the reinforcing metal sheet abuts against the first metal bending portion, and the other end of the reinforcing metal sheet abuts against the second metal bending portion.

Optionally, the metal sheet unit, the first metal bending portion, and the second metal bending portion are made of aluminum, and the reinforcing metal sheet is a reinforcing steel sheet.

Optionally, a first connecting hole is formed in the metal sheet unit, a fourth connecting hole is formed in the plastic unit, and the first connecting hole is connected with the fourth connecting hole through a screw; the extension direction of the screw is perpendicular to the plane of the metal sheet unit.

An electronic device comprises a battery and the composite middle frame structure, wherein the battery is arranged in the middle frame groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model provides a compound center structure and electronic equipment, its mode through moulding plastics in the mould forms the plastic unit on the sheetmetal unit, makes sheetmetal unit and plastic unit can form the center groove, compares in the scheme of conventional die-casting and CNC processing, and its processing procedure is simpler, and is consuming time shorter, has improved production efficiency to manufacturing cost has been reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose.

FIG. 1 is a schematic cross-sectional view of a middle frame structure in the prior art;

fig. 2 is a first schematic sectional view of a composite middle frame structure according to an embodiment of the present invention;

fig. 3 is a second schematic cross-sectional view of a composite middle frame structure according to an embodiment of the present invention;

fig. 4 is a third schematic sectional view of a composite middle frame structure according to an embodiment of the present invention;

fig. 5 is a fourth schematic sectional view of a composite middle frame structure according to an embodiment of the present invention;

fig. 6 is a schematic fifth cross-sectional view of a composite middle frame structure according to an embodiment of the present invention;

fig. 7 is a sixth schematic sectional view of a composite middle frame structure according to an embodiment of the present invention;

fig. 8 is a seventh schematic cross-sectional view of a composite middle frame structure according to an embodiment of the present invention;

illustration of the drawings: 01. the battery bin bottom; 02. a battery compartment retaining wall;

10. a metal sheet unit; 11. a first connection hole; 20. a plastic unit; 21. a third connection hole; 22. a fourth connection hole; 30. a middle frame groove;

40. a first metal bending part; 50. a second metal bending part; 51. a third metal bending part; 52. a second connection hole;

61. a first fillet portion; 62. a second fillet portion; 70. a reinforcing metal sheet; 80. and (4) screws.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Please refer to fig. 2 to 8, fig. 2 is a schematic diagram of a first section of a composite middle frame structure provided by an embodiment of the present invention, fig. 3 is a schematic diagram of a second section of the composite middle frame structure provided by an embodiment of the present invention, fig. 4 is a schematic diagram of a third section of the composite middle frame structure provided by an embodiment of the present invention, fig. 5 is a schematic diagram of a fourth section of the composite middle frame structure provided by an embodiment of the present invention, fig. 6 is a schematic diagram of a fifth section of the composite middle frame structure provided by an embodiment of the present invention, fig. 7 is a schematic diagram of a sixth section of the composite middle frame structure provided by an embodiment of the present invention, and fig. 8 is a schematic diagram of a seventh section of the composite middle frame structure provided by an embodiment of the present invention.

Example one

The composite middle frame structure in the embodiment can be applied to electronic equipment such as mobile phones and tablet computers, and the structure of the composite middle frame structure is optimized, so that the groove-shaped structure of the composite middle frame structure is simpler in manufacturing process, higher in production efficiency and lower in cost.

As shown in fig. 2 to 8, the composite middle frame structure of the present embodiment includes a middle frame groove 30, a groove bottom wall of the middle frame groove 30 includes a metal sheet unit 10, a groove side wall of the middle frame groove 30 includes a plastic unit 20, and the plastic unit 20 is formed on the metal sheet unit 10 by in-mold injection molding. The middle frame groove 30 may be used to mount modules such as batteries, and the metal sheet unit 10 may be formed by stamping and then placed in a mold for in-mold injection molding, so that the plastic unit 20 is formed on the metal sheet unit 10.

Specifically, the plastic unit 20 is formed on the metal sheet unit 10 by an in-mold injection molding method, so that the metal sheet unit 10 and the plastic unit 20 can form the middle frame groove 30, compared with the conventional scheme of die casting and CNC processing, the manufacturing process is simpler, the consumed time is shorter, the production efficiency is improved, and the production cost is reduced.

As shown in fig. 2 to 7, the groove side wall of the middle frame groove 30 further includes a first metal bending part 40 and a second metal bending part 50; the first metal bending part 40 is connected to the end of the metal sheet unit 10 in an integrally formed manner; a first included angle part 61 is formed between the first metal bending part 40 and the metal sheet unit 10; the second metal bending part 50 is integrally connected to the first metal bending part 40, and a second included angle part 62 is formed between the first metal bending part 40 and the second metal bending part 50; the plastic unit 20 is further formed on the first metal bending portion 40 and the second metal bending portion 50 by in-mold injection molding.

It should be understood that, the first metal bending portion 40 and the second metal bending portion 50 are arranged at the end of the metal sheet unit 10 in an extending manner, and the first metal bending portion 40 and the second metal bending portion 50 are connected with the plastic unit 20 as a part of the groove side wall, so that the strength of the groove side wall can be enhanced, the occurrence of the broken condition when only the metal sheet unit 10 is used can be avoided, and the middle frame structure is more stable.

Further, the strength can be increased by increasing the screw 80, as shown in fig. 3 to 4, the second metal bending portion 50 is provided with a second connecting hole 52, the plastic unit 20 is provided with a third connecting hole 21, and the second connecting hole 52 is connected to the third connecting hole 21 through the screw 80; the screw 80 extends in a direction perpendicular to the plane in which the sheet metal unit 10 lies. The screw 80 penetrates through the plastic unit 20 and the second metal bending portion 50, and the screw column portion of the screw 80 plays a role in reinforcement.

As another alternative embodiment, as shown in fig. 8, a first connection hole 11 is formed on the metal sheet unit 10, a fourth connection hole 22 is formed on the plastic unit 20, and the first connection hole 11 and the fourth connection hole 22 are connected by a screw 80; the extending direction of the screw 80 is perpendicular to the plane of the sheet metal unit 10, and the structure has the advantages of less material consumption and low cost.

Further, in one embodiment, as shown in fig. 5 to 7, the plastic unit 20 wraps the first metal bending portion 40 and the second metal bending portion 50, and the end of the metal sheet unit 10 connected to the first metal bending portion 40 extends into the plastic unit 20. At this time, the plastic unit 20 fully wraps the first metal bending portion 40 and the second metal bending portion 50, so as to enhance strength, and the wall surface of the groove sidewall is made of plastic, so that the plastic unit has certain elasticity, so that parts such as a battery can be more conveniently placed in the middle frame groove 30, and the parts are not easily damaged.

In another alternative embodiment, as shown in fig. 4, the plastic unit 20 is disposed at the second included angle portion 62, and one end of the plastic unit 20 is connected to the first metal bending portion 40, and the other end of the plastic unit 20 is connected to the second metal bending portion 50. At this time, the plastic unit 20 is disposed at the bottom of the first metal bending portion 40 and the second metal bending portion 50, and plays a supporting role, so that the surface of the middle frame groove 30 is smoother. As a supplementary embodiment, the plastic unit 20 can also be selected from the forms shown in fig. 2 and 3, i.e., completely surrounding the second metal bending portion 50, and half surrounding the first metal bending portion 40.

Further, as shown in fig. 5 to 7, the opening orientation of the second chamfered portion 62 is opposite to the notch orientation of the center frame groove 30. With the above arrangement, the strength of the sheet metal unit 10 in the horizontal direction can be improved, and the sheet metal unit is not easily deformed in the horizontal direction, thereby improving the strength of the groove side wall. It should be added that, as shown in fig. 5, a third metal bending part 51 may be further added at the end of the second metal bending part 50.

Further, as shown in fig. 7, a reinforcing metal piece 70 is attached to the second corner portion 62, one end of the reinforcing metal piece 70 abuts against the first metal bent portion 40, and the other end of the reinforcing metal piece 70 abuts against the second metal bent portion 50. Through the arrangement, the strength of the middle frame structure is further improved.

In the above embodiment, the metal sheet unit 10, the first metal bent portion 40, and the second metal bent portion 50 are made of aluminum, and the reinforcing metal sheet 70 is a reinforcing steel sheet.

In conclusion, the composite middle frame structure of the embodiment has the advantages of simple manufacturing process, short production time, high production efficiency, low production cost, high strength and the like.

Example two

The electronic device provided by the embodiment can be a mobile phone, a tablet computer and the like, and comprises the composite middle frame structure in the first embodiment; among them, electronic components such as a battery can be disposed in the middle frame groove 30. The first embodiment describes a specific structure and technical effects of the composite middle frame structure, and the electronic device of the first embodiment uses the structure to have the technical effects as well.

In conclusion, the electronic device of the embodiment has the advantages of simple manufacturing process, short production time, high production efficiency, low production cost, high strength and the like.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A composite mid-frame structure, comprising a mid-frame channel (30);

the bottom wall of the middle frame groove (30) is provided with a metal sheet unit (10), and the metal sheet unit (10) extends to the side wall of the middle frame groove (30);

the groove side wall further comprises a plastic unit (20), and the plastic unit (20) is formed in the metal sheet unit (10) through in-mold injection molding.

2. The composite midframe structure as claimed in claim 1, wherein the channel side walls of the midframe channel (30) further comprise a first metal bend (40) and a second metal bend (50);

the first metal bending part (40) is integrally connected to the end part of the metal sheet unit (10); a first included angle part (61) is formed between the first metal bending part (40) and the metal sheet unit (10);

the second metal bending part (50) is integrally connected to the first metal bending part (40), and a second included angle part (62) is formed between the first metal bending part (40) and the second metal bending part (50);

the plastic unit (20) is further formed on the first metal bending part (40) and the second metal bending part (50) through in-mold injection molding.

3. The composite middle frame structure according to claim 2, wherein a second connecting hole (52) is formed in the second metal bending part (50), a third connecting hole (21) is formed in the plastic unit (20), and the second connecting hole (52) is connected with the third connecting hole (21) through a screw (80); the screw (80) extends in a direction perpendicular to the plane of the sheet metal unit (10).

4. The composite middle frame structure according to claim 2, wherein the plastic unit (20) wraps the first metal bending part (40) and the second metal bending part (50), and the end of the metal sheet unit (10) connected with the first metal bending part (40) extends into the plastic unit (20).

5. The composite middle frame structure according to claim 2, wherein the plastic unit (20) is disposed at the second included angle portion (62), one end of the plastic unit (20) is connected to the first metal bending portion (40), and the other end of the plastic unit (20) is connected to the second metal bending portion (50).

6. The composite midframe structure as claimed in claim 2, wherein the opening of the second chamfered portion (62) is oriented opposite to the notch orientation of the midframe groove (30).

7. The composite middle frame structure according to claim 6, wherein a reinforcing metal sheet (70) is attached to the second included angle portion (62), one end of the reinforcing metal sheet (70) abuts against the first metal bent portion (40), and the other end of the reinforcing metal sheet (70) abuts against the second metal bent portion (50).

8. The composite middle frame structure according to claim 7, wherein the metal sheet unit (10), the first metal bent portion (40) and the second metal bent portion (50) are made of aluminum, and the reinforcing metal sheet (70) is a reinforcing steel sheet.

9. The composite middle frame structure according to claim 1, wherein a first connecting hole (11) is formed in the metal sheet unit (10), a fourth connecting hole (22) is formed in the plastic unit (20), and the first connecting hole (11) is connected with the fourth connecting hole (22) through a screw (80); the screw (80) extends in a direction perpendicular to the plane of the sheet metal unit (10).

10. An electronic device comprising a battery and a composite bezel structure as claimed in any one of claims 1-9, said battery being disposed within said bezel slot (30).