CN108927569A - A kind of mobile phone slot antenna cutting tool - Google Patents
A kind of mobile phone slot antenna cutting tool Download PDFInfo
- Publication number
- CN108927569A CN108927569A CN201810862175.1A CN201810862175A CN108927569A CN 108927569 A CN108927569 A CN 108927569A CN 201810862175 A CN201810862175 A CN 201810862175A CN 108927569 A CN108927569 A CN 108927569A
- Authority
- CN
- China
- Prior art keywords
- conductive
- metal layer
- installation axle
- conductive metal
- gasket assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D35/00—Tools for shearing machines or shearing devices; Holders or chucks for shearing tools
- B23D35/005—Adjusting the position of the cutting members
- B23D35/007—Adjusting the position of the cutting members for circular cutting members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Telephone Set Structure (AREA)
Abstract
A kind of mobile phone slot antenna cutting tool, including installation axle, at least two blades and at least one gasket assembly；It is socketed in the installation axle at least two blade clearance, at least provided with a gasket assembly between two blades of arbitrary neighborhood, each gasket assembly is socketed in the installation axle；The gasket assembly includes the first conductive metal layer, the second conductive metal layer and the piezoelectric ceramics being set between first conductive metal layer and second conductive metal layer, and the driving circuit being electrically connected respectively with described in first conductive metal layer and the second conductive metal layer is provided in the installation axle.
Description
Technical field
The present invention relates to antenna for mobile phone manufacture field, in particular to a kind of mobile phone slot antenna cutting tool.
Background technique
The mobile phone of full metal jacket is existing market mainstream.And the mobile phone back of full metal jacket need to reserve it is scheduled non-
Conductive region, so that radiofrequency signal passes through.
In the prior art, several strip antenna gaps are formed come for radiofrequency signal disengaging by cutting on the metal hand casing.
When forming several strip antenna gaps, several strip antenna seams are processed one by one by the way of numerically-controlled machine tool processing
Then gap fills several strip antenna gaps with plastic cement.
But in the actual processing process, after processing the first strip antenna gap, in processing Article 2 antenna slots
When, due to be at the first strip antenna gap it is hanging, stable support can not be formed, cause cut Article 2 antenna slots and
Gap width is uneven during subsequent antenna gap, influences the transmitting and reception of radiofrequency signal.
The prior art is defective, needs to improve.
Summary of the invention
The embodiment of the present invention provides a kind of mobile phone slot antenna cutting tool, and the width uniformity of antenna slots can be improved
And it is controllable, to improve radiofrequency signal tranception-quality.
The embodiment of the invention provides a kind of mobile phone slot antenna cutting tool, including installation axle, at least two blades with
And at least one gasket assembly；It is socketed in the installation axle at least two blade clearance, described in arbitrary neighborhood two
At least provided with a gasket assembly between blade, each gasket assembly is socketed in the installation axle；
The gasket assembly is including the first conductive metal layer, the second conductive metal layer and is set to first conductive metal layer
With the piezoelectric ceramics between second conductive metal layer, be provided in the installation axle respectively with first conductive metal layer
And second electrical connection described in conductive metal layer driving circuit;
The piezoelectric ceramics is annular in shape, on the inside of hole wall on be provided with silicon dioxide layer.
Preferably, the shape Yu the pressure of the cross section of first conductive metal layer and second conductive metal layer
The cross-sectional shape of electroceramics is identical.
Preferably, the piezoelectric ceramics is annular in shape, on the inside of hole wall on be provided with insulating layer.
Preferably, multiple first conductive troughs and second conductive trough are provided on the outer wall of the installation axle；
The first conductive stud with the shape adaptation of second conductive trough is provided on the inner hole wall of first conductive metal layer
Rise, first conductive bumps can along the installation axle be axially slidably contained in second conductive trough and with the second conductive trough
Electrical connection；The second conductive bumps with the shape adaptation of the first conductive trough are provided on the inner hole wall of second conductive metal layer,
Second conductive bumps being axially slidably contained in first conductive trough and being electrically connected with the first conductive trough along installation axle.
It preferably, further include a pedestal, the installation axle is installed on an end face of the pedestal.
It preferably, further include a locating part, the locating part is socketed on one far from the pedestal of the installation axle
End, the locating part and the pedestal grip at least two blade and at least one described gasket.
Preferably, the minimum range and maximum distance on the center of the cross section of the installation axle to the edge of the cross section
It is unequal；The center of the blade offers a perforation, the perforation and the cross-sectional shape and size fit, the knife
Piece is socketed in the installation axle by the perforation.
Preferably, cross section semicircular in shape, sector, triangle or the polygon of the installation axle.
Preferably, at least two blade is mutually parallel.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of mobile phone slot antenna cutting tool of the invention.
Fig. 2 is another structural schematic diagram of mobile phone slot antenna cutting tool of the invention.
Fig. 3 is a kind of partial structural diagram of mobile phone slot antenna cutting tool of the invention.
Fig. 4 is a kind of structural schematic diagram of mobile phone slot antenna cutting tool installation axle of the invention.
Fig. 5 is a kind of structural schematic diagram of the first conductive metal layer of mobile phone slot antenna cutting tool of the invention.
Fig. 6 is a kind of structural schematic diagram of the second conductive metal layer of mobile phone slot antenna cutting tool of the invention.
Fig. 7 is another structural schematic diagram of mobile phone slot antenna cutting tool installation axle of the invention.
Fig. 8 is another structural schematic diagram of the first conductive metal layer of mobile phone slot antenna cutting tool of the invention.
Fig. 9 is another structural schematic diagram of the second conductive metal layer of mobile phone slot antenna cutting tool of the invention.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used for
Purpose is described, relative importance is not understood to indicate or imply or implicitly indicates the quantity of indicated technical characteristic.
" first " is defined as a result, the feature of " second " can explicitly or implicitly include one or more feature.?
In description of the invention, the meaning of " plurality " is two or more, unless otherwise specifically defined.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected or can mutually communicate；It can be directly connected, it can also be by between intermediary
It connects connected, can be the connection inside two elements or the interaction relationship of two elements.For the ordinary skill of this field
For personnel, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
Following disclosure provides many different embodiments or example is used to realize different structure of the invention.In order to
Simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
And it is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.In addition, the present invention provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
Fig. 1 and Fig. 2 is please referred to, the mobile phone slot antenna cutting tool includes pedestal 10, peace in the preferred embodiment
Fill axis 20, at least two blades 30, at least one gasket assembly 40 and a locating part 50.Wherein, one end of the installation axle 20
It is fixedly installed on an end face of the pedestal 10.At least two blades, 30 compartment of terrain is socketed in installation axle 20, this at least one
A gasket assembly 40 is socketed in the installation axle 20.At least be socketed between two neighboring blade 30 gasket assembly 40 to
Two adjacent blades 30 are separated into corresponding distance.The locating part 50 is socketed on the other end of the installation axle 20.The limit
One end face of part 50 and the pedestal 10 by least two blade 30, at least one 40 fixed clamp of gasket assembly therebetween.
Referring to Fig. 3, which includes the first conductive metal layer 42, the second conductive metal layer 43 and sets
The piezoelectric ceramics 41 being placed between first conductive metal layer 42 and second conductive metal layer 43, in the installation axle 20
It is provided with the driving circuit being electrically connected respectively with described in first conductive metal layer 42 and the second conductive metal layer 43.Installation
It is provided in axis and the control mould group for driving and being electrically connected.
Control mould group corresponds to greatly for sending control signal to the driving circuit so that the driving circuit exports respectively
Small voltage is conductive so as to adjust the first conductive metal layer of each gasket assembly and second to each gasket assembly
Voltage between metal layer, and then adjust the spacing between two neighboring blade.
Piezoelectric ceramics is annular in shape, on the inside of hole wall on be provided with silicon dioxide layer, to insulate.
When work, by adjusting output to the voltage swing of each gasket assembly 40, the thickness of adjustable piezoelectric ceramics 41
Degree, to adjust the distance between two neighboring blade 30.
Specifically, the shape and the piezoelectric ceramics of the cross section of first conductive metal layer 42, the second conductive metal layer 43
41 cross-sectional shape is identical.
Further, in some embodiments, the piezoelectric ceramics 41 is annular in shape, on the inside of hole wall on be provided with absolutely
Edge layer.
Referring to figure 4., multiple first conductive troughs 21 and second conductive trough are provided on the outer wall of the installation axle 20
22.The driving circuit is electrically connected with multiple first conductive trough 21 and second conductive trough 22 respectively.Second conductive trough
22, for being electrically connected with the first conductive metal layer 42 of each gasket assembly 40, are used as common ground.Multiple first is conductive
Slot 21 is electrically connected with the second conductive metal layer 43 of each gasket assembly 40 respectively, to export respectively different driving voltages.
Referring to figure 5. and Fig. 6, the shape with the second conductive trough 22 is provided on the inner hole wall of first conductive metal layer 42
Shape adaptation the first conductive bumps 421, first conductive bumps 421 can along installation axle 20 be axially slidably contained in this second
It is electrically connected in conductive trough 22 and with the second conductive trough 22.It is provided on the inner hole wall of second conductive metal layer 43 and the first conduction
Second conductive bumps 431 of the shape adaptation of slot 21, second conductive bumps 431 can be along the axially slidably receivings of installation axle 20
It is electrically connected in first conductive trough 21 and with the first conductive trough 21.First conductive trough and second conductive trough are
Dovetail groove；The cross section of first conductive bumps and second conductive bumps is in inverted ladder shape.
In practical application, the pedestal 10 is substantially cylindrical.The pedestal 10 passes through numerical control for being clamped to numerically-controlled machine tool
The shaft of lathe drives the pedestal 10 to rotate.It is additionally provided with anti-skid structure on the pedestal 10, in order to more stably by numerical control machine
Bed clamping.For example, the anti-skid structure can be anti-skid chequer, retention bead or limiting slot etc..
The installation axle 20 is generally cylindrical, and one end is fixed on the end face of the pedestal 10.The installation axle 20 it is axially vertical
In the end face of the pedestal 10.
Each blade 30 is substantially annular in shape, such as annular shape is also possible to round outside but spuare inside shape.It is opened up in the blade 30
There is a perforation 31 so that the blade 30 is annular in shape, such as the perforation 31 is in rounded shape, so that the blade 30 is in annulus
Shape.In the present embodiment, the quantity of the blade 30 is 3, and the two neighboring blade 30 in 3 blades 30 is separated by a pad
The distance of the thickness of piece 40.
In the Fig. 1 and embodiment shown in Fig. 2, the size between the installation axle 20 and the perforation 31 of the blade 30 is suitable
Match, so that being interference fitted between installation axle 20 and the blade 30, the two is avoided to generate sliding.
Each gasket assembly 40 all can be elastomeric pad, such as rubber sheet gasket.The shape of the gasket assembly 40 and end
Face size is adapted to the blade 30.In the present embodiment, the quantity of gasket assembly 40 be two, each adjacent two blade 30 it
Between a gasket assembly 40 is respectively set.It will be understood ground, which can also use nonelastomeric shims, two neighboring knife
Also 2 or 3 gasket assemblies 40 can be set between piece 30.
The locating part 50 can be nut, and accordingly, corresponding position is provided with external thread structure in the installation axle 20, the limit
Position part 50 is screwed on the external thread structure so that the locating part 50 and the pedestal 10 by least two blade 30,
At least one gasket assembly 40 clamps.The locating part 50 can also be anchor ear part, be fixedly sheathed in the installation axle 20 corresponding
Position.
It is to be appreciated that in further embodiments, referring to Fig. 3 and Fig. 4, the inside of the blade 30 and the peace
It fills and is provided with position limiting structure between the outside of axis 20, to prevent the blade 30 from skidding relative to the circumferential direction of the installation axle 20.For example,
The position limiting structure may include limiting slot 32 on the inner wall for the perforation 31 for being set to the blade 30 and be set to the installation axle
Limit rib 23 on 20 outer wall.When installation, which is connected in the limiting slot 32.
It is to be appreciated that blade 30 skids along the circumferential direction of the installation axle 20 in order to prevent, by the transversal of the installation axle 20
Face is set as non-circular, that is to say the center of gravity of the cross section 20 to the cross section edge maximum distance and minimum range not
It is equal.For example, the cross section of the installation axle 20 can substantially oblong-shaped, semicircle, fan-shaped, triangle, quadrangle or polygon
Shape etc..For example, the cross section of the installation axle 20 is quadrangle.Accordingly, the cross with the installation axle 20 is offered in the blade 30
The perforation 31 of sectional dimension and shape adaptation.
From the foregoing, it will be observed that the embodiment of the present invention, which is used, is arranged at least two knives on a mobile phone slot antenna cutting tool
The uniformity of the width of antenna slots can be improved so as to disposably be cut into two strip antenna gaps in piece, and then can be with
Improve the tranception-quality of radiofrequency signal.
In some embodiments, please refer to Fig. 7, be provided on the outer wall of the installation axle 20 multiple third conductive bumps 23 with
And the 4th conductive bumps 24.The driving circuit respectively with multiple third conductive bumps 23 and the 4th conductive bumps
24 electrical connections.4th conductive bumps 24 are used as being electrically connected with the first conductive metal layer 42 of each gasket assembly 40
Common ground.Multiple third conductive bumps 23 are electrically connected with the second conductive metal layer 43 of each gasket assembly 40 respectively, with
The respective different driving voltage of output.
Fig. 8 and Fig. 9 is please referred to, is provided on the inner hole wall of first conductive metal layer 42 and third conductive bumps 23
The third conductive trough 422 of shape adaptation, the third conductive bumps 23 can axially slidably be contained in the third along installation axle 20
It is electrically connected in conductive trough 422 and with third conductive trough 422.It is provided on the inner hole wall of second conductive metal layer 43 and is led with the 4th
The conductive groove 432 of the 4th of the shape adaptation of electric protrusion 24, the 4th conductive bumps 24 can be along installation axle 20 axially slidably
It is contained in the 4th conductive groove 432 and is electrically connected with the 4th conductive groove 432.
In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation
What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example
Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the invention.In this specification
In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (4)
1. a kind of mobile phone slot antenna cutting tool, it is characterised in that including installation axle, at least two blades and at least one
Gasket assembly；It is socketed in the installation axle at least two blade clearance, between two blades of arbitrary neighborhood extremely
It is provided with a gasket assembly less, each gasket assembly is socketed in the installation axle；The gasket assembly includes
First conductive metal layer, the second conductive metal layer and it is set to first conductive metal layer and second conductive metal layer
Between piezoelectric ceramics, be provided in the installation axle respectively with first conductive metal layer and the second conductive metal layer institute
State the driving circuit of electrical connection;Multiple first conductive troughs and second conductive trough, institute are provided on the outer wall of the installation axle
It states multiple first conductive troughs and second conductive trough is electrically connected with the driving circuit respectively；It is provided in the installation axle
With the control mould group for driving and being electrically connected；The control mould group is for sending control signal to the driving circuit, so that institute
It states driving circuit and exports the voltage for corresponding to size respectively to each gasket assembly, so as to adjust each gasket assembly
Voltage between first conductive metal layer and the second conductive metal layer, and then adjust the spacing between two neighboring blade；It is described
The first conductive bumps with the shape adaptation of second conductive trough are provided on the inner hole wall of first conductive metal layer, this first
Conductive bumps being axially slidably contained in second conductive trough and being electrically connected with the second conductive trough along the installation axle；It should
The second conductive bumps with the shape adaptation of the first conductive trough are provided on the inner hole wall of second conductive metal layer, second conduction
Protrusion being axially slidably contained in first conductive trough and being electrically connected with the first conductive trough along installation axle；Described first leads
Electric slot and second conductive trough are dovetail groove；The cross section of first conductive bumps and second conductive bumps
It is in inverted ladder shape;The piezoelectric ceramics is annular in shape, on the inside of hole wall on be provided with silicon dioxide layer；Described first is conductive
The shape of the cross section of metal layer and second conductive metal layer is identical as the cross-sectional shape of the piezoelectric ceramics；Also wrap
A pedestal is included, the installation axle is installed on an end face of the pedestal；It further include a locating part, the locating part is socketed on
One end far from the pedestal of the installation axle, the locating part and the pedestal are by least two blade and institute
State the clamping of at least one gasket.
2. a kind of mobile phone slot antenna cutting tool according to claim 1, it is characterised in that the installation axle it is transversal
Minimum range and maximum distance on the center in face to the edge of the cross section is unequal；The center of the blade offers one and wears
Hole, the perforation and the cross-sectional shape and size fit, the blade are socketed in the installation axle by the perforation
On.
3. according to claim 1 or a kind of mobile phone slot antenna cutting tool as claimed in claim 2, it is characterised in that described
Cross section semicircular in shape, sector, triangle or the polygon of installation axle.
4. according to claim 1 or a kind of mobile phone slot antenna cutting tool as claimed in claim 2, it is characterised in that described
At least two blades are mutually parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810862175.1A CN108927569A (en) | 2018-08-01 | 2018-08-01 | A kind of mobile phone slot antenna cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810862175.1A CN108927569A (en) | 2018-08-01 | 2018-08-01 | A kind of mobile phone slot antenna cutting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108927569A true CN108927569A (en) | 2018-12-04 |
Family
ID=64444596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810862175.1A Withdrawn CN108927569A (en) | 2018-08-01 | 2018-08-01 | A kind of mobile phone slot antenna cutting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108927569A (en) |
-
2018
- 2018-08-01 CN CN201810862175.1A patent/CN108927569A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181204 |
|
| WW01 | Invention patent application withdrawn after publication |