CN105228408B - A kind of mobile device and its middle frame structure - Google Patents
A kind of mobile device and its middle frame structure Download PDFInfo
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- CN105228408B CN105228408B CN201510542503.6A CN201510542503A CN105228408B CN 105228408 B CN105228408 B CN 105228408B CN 201510542503 A CN201510542503 A CN 201510542503A CN 105228408 B CN105228408 B CN 105228408B
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Abstract
The present invention provides a kind of middle frame structures of mobile device, if the fixation for assisting dry units in the mobile device comprising center ontology further includes：At least one convex closure being set on center first body side face, the intensity for reinforcing the center ontology；And it is set to the pressuring line groove on the convex closure edge, for making the center ontology reduce stretching in the part manufacturing process other than the pressuring line groove.The present invention also provides a kind of mobile devices, including sequentially connected front frame, middle frame structure and back frame, and if the dry units that are set between the front frame and the back frame, the middle frame structure be used to assist the fixation of the device.The present invention can significantly reduce production cost, mitigate the weight of mobile device, reduce the volume of fuselage, while can also enhance the mechanical strength of middle frame structure and improve the torsional resistance of middle frame structure.
Description
Technical field
The invention belongs to field of mobile equipment, in particular, being related to a kind of mobile device and its middle frame structure.
Background technology
With the communication products such as large scale mobile device (such as：Tablet computer) development, to mobile device fuselage requirement
More and more thinner, cost requirement is lower and lower, but needs to keep fuselage intensity still solid reliable, this sets to the structure of mobile device
More stringent requirements are proposed for meter.
In the prior art, the structural design scheme of generally use is：The support device of mobile device is by front frame, middle frame structure
With back frame form, those skilled in the art can according to the needs of the configuration of mobile device, internal circuit configuration or manufacture craft,
Various patterns or slot are designed on middle frame structure, has both carry front frame, the linkage function of back frame, also to mobile device and its interior
Portion's stable structure plays decisive role.Usually, the middle frame structure of mobile device is cast using magnesium alloy or high intensity aluminium, this
The thickness of kind of aluminium flake is usually more than 0.8mm thickness, and the drawbacks of design is that the thickness of mobile device is partially thick, and weight is laid particular stress on,
High expensive is also unfavorable for the lightening of mobile device fuselage.And 5052 aluminium flakes of another kind 0.5mm are relatively thin, but plasticity itself
Difference, intensity is low, the problem of being susceptible to aluminium flake deformation, also limits its application in mount structure in a mobile device.
People are highly desirable to find middle frame structure that is a kind of frivolous and can guarantee support strength.
Invention content
In order to solve above-mentioned problems of the prior art, the present invention provides a kind of middle frame structure of mobile device, energy
It enough realizes that structure is frivolous, and can guarantee the effect of support strength.
The purpose of the present invention is to provide a kind of middle frame structures of mobile device, several in the mobile device for assisting
The fixation of device comprising center ontology further includes：At least one convex closure being set on center first body side face,
Intensity for reinforcing the center ontology；And it is set to the pressuring line groove on the convex closure edge, for making the center sheet
Body reduces stretching in the part manufacturing process other than the pressuring line groove.
Further, the convex closure is corresponding with the installation white space of the device.
Further, the convex closure has protrusion in a rectangular parallelepiped shape and is set to four vertex of the protrusion
Round fabrication hole, and the center of circle of the round fabrication hole is overlapped with the apex angle intersection point.
Further, there is at least one lightening hole on the convex closure.
Further, the thickness of the protrusion is less than or equal to 1.4mm.
Further, the convex closure is annular in shape and correspondings with any device, for the respective devices limit with
Reinforce the intensity of the center ontology.
Further, it is provided at least one lightening hole at the corresponding center ontology of the convex closure.
Further, the thickness of the convex closure is less than or equal to 0.5mm.
The present invention also aims to provide a kind of mobile device, including sequentially connected front frame, middle frame structure and back frame,
And if the dry units being set between the front frame and the back frame, the middle frame structure are used to assist consolidating for the device
It is fixed, which is characterized in that the middle frame structure includes center ontology and at least one is set to center first body side face
On convex closure, the intensity for reinforcing the center ontology；The pressuring line groove being set on the convex closure edge, for make it is described in
Frame ontology reduces stretching in the part manufacturing process other than the pressuring line groove.
Beneficial effects of the present invention：The present invention provides a kind of mobile device and its middle frame structure, which uses
Relatively thin aluminium flake is cast, and since relatively thin aluminium flake is cheap, low-cost aluminium flake is largely put into production, can significantly be dropped
Low production cost；For mobile device, and the weight of equipment can be mitigated, reduce the volume of fuselage, it is easy to carry；Simultaneously originally
Invention can also enhance the mechanical strength of middle frame structure, improve the torsional resistance of middle frame structure.
Description of the drawings
What is carried out in conjunction with the accompanying drawings is described below, above and other aspect, features and advantages of the embodiment of the present invention
It will become clearer, in attached drawing：
Fig. 1 is middle frame structure schematic diagram according to an embodiment of the invention；
Fig. 2 is the film pressing device structural schematic diagram according to an embodiment of the invention for adjusting middle frame structure.
Specific implementation mode
Hereinafter, with reference to the accompanying drawings to detailed description of the present invention embodiment.However, it is possible to come in many different forms real
The present invention is applied, and the present invention should not be construed as limited to the specific embodiment illustrated here.On the contrary, providing these implementations
Example be in order to explain the principle of the present invention and its practical application, to others skilled in the art it will be appreciated that the present invention
Various embodiments and the various modifications for being suitable for specific intended application.Identical label can be used in the whole instruction and attached drawing
Indicate identical element.
Fig. 1 is middle frame structure schematic diagram according to an embodiment of the invention.
Referring to Fig.1,100 schematic diagram of middle frame structure of a kind of mobile device shown in FIG. 1.Center knot provided in this embodiment
Structure, 5052 aluminium flakes that material uses 0.5mm are cast.But the present invention simultaneously misaligns the material of the use of mount structure 100 as limit
System, middle frame structure 100 can be made of the aluminium flake of other thickness, can also be other metal materials.In addition, center knot
Structure 100 can also be various geometries according to the internal structure design of mobile device.
Wherein, middle frame structure 100 includes center ontology 10, its one side upward of center ontology 10 is first side, institute
Stating first side can be for example corresponding with the back frame (not shown) of mobile device.In order to solve the 5052 aluminium flakes support of 0.5mm
The problem of intensity deficiency plays the role of reinforcement in the present embodiment by additional convex closure 1 on the first side.
As shown in Figure 1, the middle frame structure 100 further includes：Convex closure 1, pressuring line groove 2, lightening hole 4, connects round fabrication hole 5
Relay part 6, round screw hole 7.
Wherein, at least one convex closure 1 is set in the first side, the intensity for reinforcing the center ontology 10；
And the pressuring line groove 2 is set on 1 edge of the convex closure, for make the center ontology 10 positioned at the pressuring line groove 2 with
It reduces and stretches in outer part manufacturing process.
It in the present embodiment,, will according to the structure feature of convex closure 1 in order to more clearly describe the structure feature of each component
Convex closure 1 divides for three types, is respectively designated as：First convex closure 11, the second convex closure 12, third convex closure 13.
In a rectangular parallelepiped shape, preferred volume is 982.8mm to first convex closure 11 in the present embodiment2, material can be with center sheet
10 material of body is identical, forms a part of aluminium flake for being added to the protrusion on center ontology 10.First convex closure 11 may be provided at first
It is corresponding with the installation white space of the device on side.The present embodiment defines the installation white space：Device and device
Between interval region, can be used for avoiding interfering between device.Therefore, such a first convex closure 11 can be different
Installation white space setting is multiple, and number is more, and increase intensity is more apparent.It should be noted that the present invention is not to the first convex closure 11
Shape and volume be construed as limiting, the first convex closure 11 can according to installation white space be designed to arbitrary shape and arbitrary volume size.
The thickness of first convex closure 11 is also adjustable, is preferably ranging from less than 0.4mm.First convex closure 11 in the present embodiment
Preferred thickness is 0.4mm.
Specifically, when hardware dies are when stretching the first convex closure 11, plastic deformation can occur for the first convex closure 11, in order to reduce
The plastic deformation process at four angles influences the amount of tension and deflection of 10 material of center ontology, to the structure of the first convex closure 11 into one
Step optimization.Fig. 2 is a kind of 100 partial structural diagram of middle frame structure of mobile device according to an embodiment of the invention.
First convex closure 11 has protrusion 110 in a rectangular parallelepiped shape, and four apex angles of protruding portion are arranged to fillet
The fillet diameter of structure, the present embodiment is preferably 7mm, and the pressuring line groove 2 is located at 110 edge of the protrusion；Described convex
Go out 110 4, portion vertex and is provided with one-to-one round fabrication hole 5, and the center of circle of the round fabrication hole 5 and the top
Angle intersection point overlaps.Wherein, the diameter of fabrication hole 5 is preferably 8mm, it should be noted that round fabrication hole 5 and the first convex closure 11
Volume is unrelated, and related with the diameter of 4 fillets of the first convex closure 11, and the preferred relationship of the two is：The diameter of round fabrication hole 5
Than fillet diameter more than 1mm.
Further, pressuring line groove 2 is distributed in the surrounding of protrusion 110, width 0.6mm, depth 0.1mm.Pressuring line groove 2
Play the role of be：When the first convex closure 11 is stretched with center ontology 10, the pressuring line groove 2 can be by the aluminium around the first convex closure 11
Material compresses, and reduces the center ontology 10 in drawing process other than pressuring line groove 2 and deforms, and as possible controls stretcher strain convex first
It wraps on 11 own materials.But the present invention is not restricted the width and depth of pressuring line groove 2, and the width and depth of pressuring line groove 2 also may be used
Think other suitable value.
Also there is spaced lightening hole 4, the weight for mitigating middle frame structure 100 on first convex closure 11.The loss of weight
Hole 4 is elongate in shape, but the present invention is not restricted the shape and quantity of lightening hole 4, and the shape of the rectangular opening can be other, number
Amount can be arbitrary value.
Further, the second convex closure 12 is additionally provided in the first side.Similarly with the first convex closure 11, second is convex
Packet 12 is located at another installation white space, and for empty avoiding in device (such as LCD), and rectangular-shape is also presented in the second convex closure 12,
With identical pressuring line groove 2 and fabrication hole 5 structurally and functionally, details are not described herein.Preferably, the thickness of the second convex closure is
1.4mm, can the thickness of further the second convex closure of stability 12 of additional device mounting structure can be less than or equal to 1.4mm.
Specifically, when hardware dies are when stretching the second convex closure 12, plastic deformation can occur for the second convex closure 12, in order to reduce
The plastic deformation process at four angles is provided with the amount of tension and deflection of periphery material in four vertex of the second convex closure 12
One-to-one circle fabrication hole 5, the center of circle of each round fabrication hole 5 are overlapped with corresponding apex angle intersection position.
Third convex closure 13 is a part of aluminium flake of 10 protrusion of center ontology, preferred thickness in the cyclic structure of not regulation
For 0.4mm.The thickness of third convex closure 13 can be less than or equal to 0.4mm.Similarly with the first convex closure 11, third convex closure 13 also fills
Set on installation white space, it both can be used for empty avoiding in device, the installation site of device can have been limited and consolidated.Third
Convex closure 13 also has identical pressuring line groove 2 structurally and functionally, and details are not described herein.
Third convex closure 13 can be divided into two parts again according to position relationship, and first part 131 is arranged in center ontology 10
Portion, it is corresponding with the device (such as battery, be not shown in figure) of mobile device, it is used for the limit to battery and reinforces the center sheet
The intensity of body 10；Second part 132 extends, extends to the peripheral region of the second convex closure 12 from first part 131, reaches in being located at
The outwardly projecting rectangular connecting component 6 in 10 edge of frame ontology.Around the second convex closure 12, while to its on center ontology 10
Its device makees necessary empty avoiding.
Further, the 131 corresponding center knot body position of first part of third convex closure is provided with spaced subtract
Repeated hole 4, the weight for mitigating middle frame structure 100.The lightening hole 4 is elongate in shape, but the present invention is not to the shape of lightening hole 4
It is restricted with quantity, the shape of the lightening hole 4 can be other, and quantity can be arbitrary value.
In the present embodiment, it is possible to more clearly from find out, the edge of center ontology 10 is provided with several protrude outward
Rectangular connecting component 6, each 6 centre position of connecting component correspond at least one round screw hole 7.Mobile device includes
Front frame, middle frame structure 100 and after-frame.Wherein, middle frame structure 100 is fixedly connected with front housing screw hole 7 in a manner of screw.
The present invention misaligns mount structure 100 and the connection type of front housing is construed as limiting, for example, middle frame structure 100 and front housing also can be by embedding
The mode of conjunction is fixedly connected.
The adjusting method of the flatness of the middle frame structure of this mobile device of the present embodiment is described below.
Middle frame structure 100 can be caused to have a degree of deformation after middle frame structure 100 completes the processes such as tensile foldable, one
As can be gone by a kind of film pressing device adjustment aluminium flake flatness.
With reference to Fig. 2, wherein Fig. 2 is the film pressing device structure according to an embodiment of the invention for adjusting middle frame structure
Schematic diagram.The film pressing device includes the upper mold 8 being oppositely arranged and lower die 9, and upper mold 8 is provided with spaced first regulation stud
10；Lower die 9 is also equipped with spaced second regulation stud 10；Wherein, the first regulation stud 10 and the second regulation stud 10
It corresponds.Upper mold 8 adjusts degree of deformation with lower die 9 by adjusting the height of stud 10, is as follows：
Find that aluminium flake overall deformation centre is downwardly convex if in the production process, measured, just upwards by 9 stud 10 of lower die
It is turned up, the stud 10 of upper mold 8, which adjusts upward, to be avoided, and aluminium flake is allowed locally to have upwardly-deformed space, 0.5mm 5052AL flatnesses
It can be controlled in the degree of deformation of 0.6mm or less.
It finds to raise up among aluminium flake overall deformation if in the production process, measured, just downwards by 8 stud 10 of upper mold
It is turned up, the stud 10 of lower die 9 downwards avoid by adjustment, and aluminium flake is allowed locally to have the space deformed downwards, 0.5mm 5052AL flatnesses
It can be controlled in the degree of deformation of 0.6mm or less.
In conclusion a kind of middle frame structure of mobile device in the embodiment of the present invention, the middle frame structure is using relatively thin
Aluminium flake cast, since relatively thin aluminium flake is cheap, low-cost aluminium flake is largely put into production, can significantly reduce life
Produce cost；For mobile device, and the weight of equipment can be mitigated, reduce the volume of fuselage, it is easy to carry；The present invention simultaneously
The mechanical strength that middle frame structure can also be enhanced improves the torsional resistance of middle frame structure.
Although the present invention has shown and described with reference to specific embodiment, it should be appreciated by those skilled in the art that：
In the case where not departing from the spirit and scope of the present invention limited by claim and its equivalent, can carry out herein form and
Various change in details.
Claims (8)
1. a kind of middle frame structure of mobile device, if the fixation for assisting dry units in the mobile device comprising center
Ontology, which is characterized in that further include：
At least one convex closure being set on center first body side face, the intensity for reinforcing the center ontology；With
And
The pressuring line groove being set on the convex closure edge, for making the center ontology in the part other than the pressuring line groove
It reduces and stretches in manufacturing process, the convex closure has protrusion in a rectangular parallelepiped shape, sets that there are four round on the center ontology
Fabrication hole, described four round fabrication holes are set to four vertex of the protrusion, and the center of circle of the round fabrication hole
It is overlapped with the intersection point of the apex angle line.
2. middle frame structure according to claim 1, which is characterized in that the installation white space of the convex closure and the device
It is corresponding.
3. middle frame structure according to claim 1, which is characterized in that have at least one lightening hole on the convex closure.
4. middle frame structure according to claim 1, which is characterized in that the thickness of the protrusion is less than or equal to 1.4mm.
5. middle frame structure according to claim 1, which is characterized in that the convex closure it is annular in shape and with any device pair
It answers, the intensity of limit and the reinforcement center ontology for the respective devices.
6. middle frame structure according to claim 5, which is characterized in that be provided at the corresponding center ontology of the convex closure to
A few lightening hole.
7. middle frame structure according to claim 6, which is characterized in that the thickness of the convex closure is less than or equal to 0.5mm.
8. a kind of mobile device, including sequentially connected front frame, middle frame structure and back frame, and it is set to the front frame and described
If the dry units between back frame, the middle frame structure is used to assist the fixation of the device, which is characterized in that the middle frame structure
Including center ontology, and
At least one convex closure being set on center first body side face, the intensity for reinforcing the center ontology；
The pressuring line groove being set on the convex closure edge, for making the center ontology in the part other than the pressuring line groove
It reduces and stretches in manufacturing process；The convex closure has protrusion in a rectangular parallelepiped shape, sets that there are four round on the center ontology
Fabrication hole, described four round fabrication holes are set to four vertex of the protrusion, and the center of circle of the round fabrication hole
It is overlapped with the intersection point of the apex angle line.
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| CN201510542503.6A CN105228408B (en) | 2015-08-27 | 2015-08-27 | A kind of mobile device and its middle frame structure |
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| CN201510542503.6A CN105228408B (en) | 2015-08-27 | 2015-08-27 | A kind of mobile device and its middle frame structure |
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| CN105228408A CN105228408A (en) | 2016-01-06 |
| CN105228408B true CN105228408B (en) | 2018-07-13 |
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| CN105652501A (en) * | 2016-03-28 | 2016-06-08 | 青岛海信电器股份有限公司 | Display device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202697097U (en) * | 2012-06-05 | 2013-01-23 | 昆山维金五金制品有限公司 | Back panel with multiple positioning points |
| CN103527915A (en) * | 2013-09-05 | 2014-01-22 | 常熟市勤丰铸件厂 | Square flat plate casting |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006012491A (en) * | 2004-06-23 | 2006-01-12 | Tyco Electronics Amp Kk | Ic socket |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202697097U (en) * | 2012-06-05 | 2013-01-23 | 昆山维金五金制品有限公司 | Back panel with multiple positioning points |
| CN103527915A (en) * | 2013-09-05 | 2014-01-22 | 常熟市勤丰铸件厂 | Square flat plate casting |
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