CN207038726U - A kind of mobile terminal - Google Patents
A kind of mobile terminal Download PDFInfo
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- CN207038726U CN207038726U CN201720930028.4U CN201720930028U CN207038726U CN 207038726 U CN207038726 U CN 207038726U CN 201720930028 U CN201720930028 U CN 201720930028U CN 207038726 U CN207038726 U CN 207038726U
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- conductive part
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- mobile terminal
- metal shell
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Abstract
The utility model provides a kind of mobile terminal, is related to technical field of electronic equipment.The mobile terminal includes：Metal shell, form a receiving space；Printed circuit board, it is arranged in the receiving space；First electric-conductor, including：The first conductive part being fixed on metal shell and the second conductive part extended towards the inside of the receiving space；Second electric-conductor, including：The 3rd conductive part being fixed on the printed circuit board and the 4th conductive part being fitted and connected with second conductive part.The utility model can reduce antenna coupled capacitor, avoid the formation of coupling inductance, improve nature performance.
Description
Technical field
Technical field of electronic equipment is the utility model is related to, more particularly to a kind of mobile terminal.
Background technology
With the development of mobile phone industry, the more and more novel uniqueness of outward appearance of all-metal bonnet.At present, U-shaped plastic cement line of rabbet joint day
Line outward appearance leads all-metal bonnet cell phone appearance trend.But because U-shaped plastic cement slot antenna is only capable of using mobile phone upper and lower side
Very narrow metal constantly increases as antenna, the challenge of feed structure design and matching and debugging to antenna.
Existing U-shaped plastic cement slot antenna mobile phone, cell phone mainboard form a parallel plate capacitor mould with all-metal cell rear cover
Type.A sheet metal is generally connected in the side wall of all-metal bonnet, the sheet metal reaches the lower section of mainboard, by being arranged on mainboard
On shell fragment be pressed on sheet metal, formed conducting contact, the Feed contact point as antenna.The sheet metal in the way of contact
It is big with the overlapping area of all-metal bonnet, cause coupled capacitor big, influence antenna performance；Exist in sheet metal and all-metal bonnet
During gap, coupling inductance is easily formed, further influences antenna performance.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of mobile terminal, so as to solve in the prior art
The connected mode of the sheet metal connected on all-metal cell rear cover and all-metal cell rear cover influences mobile terminal antenna performance
Problem.
In order to solve the above-mentioned technical problem, the utility model embodiment adopts the following technical scheme that：
A kind of mobile terminal, including：
Metal shell, form a receiving space；
Printed circuit board, it is arranged in the receiving space；
First electric-conductor, including：The first conductive part for being fixed on metal shell and prolong towards the inside of the receiving space
The second conductive part stretched；
Second electric-conductor, including：The 3rd conductive part that is fixed on the printed circuit board and with second conductive part
The 4th conductive part being fitted and connected.
In such scheme of the present utility model, the first conductive part of the first electric-conductor is fixed on the gold to form a receiving space
Belong on housing, the second conductive part extends towards the inside of the receiving space；3rd conductive part of the second electric-conductor, which is fixed on, to be arranged at
On the printed circuit board of the receiving space, the 4th conductive part is fitted and connected with the second conductive part so that the second conductive part and the 4th
Conductive part forms conducting contact, as a Feed contact point of the antenna of mobile terminal, can reduce antenna coupled capacitor, avoid
Coupling inductance is formed, improves nature performance.
Brief description of the drawings
Fig. 1 is one of structural representation of portable antenna of the utility model embodiment；
Fig. 2 is the two of the structural representation of the portable antenna of the utility model embodiment；
Fig. 3 is the three of the structural representation of the portable antenna of the utility model embodiment；
Fig. 4 is the four of the structural representation of the portable antenna of the utility model embodiment.
Description of reference numerals：
1- metal shells；2- printed circuit boards；The conductive parts of 3- first；The conductive parts of 4- second；The electric-conductors of 5- second；6- the 3rd
Conductive part；The conductive parts of 7- the 4th；8- mounting holes；9- nuts；10- screws；The kinks of 11- first；The kinks of 12- second；13-
One connecting portion；14- second connecting portions；15- duplexer chips；The 16- lines of rabbet joint.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment, based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The utility model discloses a kind of mobile terminal, and as shown in figures 1-4, the mobile terminal includes：Metal shell 1, shape
Into a receiving space；Printed circuit board 2, it is arranged in the receiving space；First electric-conductor, including：It is fixed on metal shell 1
The first conductive part 3 and towards the receiving space inside extend the second conductive part 4；Second electric-conductor 5, including：It is fixed on print
The 3rd conductive part 6 on circuit board 2 processed and the 4th conductive part 7 being fitted and connected with second conductive part 4.
Specifically, the first conductive part 3 is fixed on the inner surface of metal shell 1.
Here, as shown in Fig. 2 metal shell 1 includes：Bottom plate and enclose the wall located at the bottom plate edge.Bottom plate is with standing
Wall forms the receiving space of metal shell 1 together.Preferably, as shown in Fig. 1, Fig. 3 and Fig. 4, the first conductive part 3 is fixed on the gold
Belong to the inner surface of the wall of housing 1.
It should be noted that wall is metal material, bottom can be metal material, or nonmetallic materials, such as glass
Deng.
Here, specifically, as shown in figure 1, the 3rd conductive part 6 is fixed on the edge of the printed circuit board 2.
It should be noted that the metal shell 1 of the present embodiment is provided with two lines of rabbet joint 16, and two lines of rabbet joint 16 are filled with modeling
Glue.Two lines of rabbet joint 16 filled with plastic cement are located at along the both ends of the length direction of metal shell 1, that is, on ordinary meaning respectively
The upper and lower side of metal shell 1.Preferably, the line of rabbet joint 16 in present embodiment stitches for U-type groove.
Here, metal shell 1 is divided into three parts by the line of rabbet joint 16, including：The first metal shell portion between two lines of rabbet joint 16,
It is located at the second metal shell portion and the 3rd metal shell portion of line of rabbet joint side respectively.
The antenna radiator of second metal shell portion and the 3rd metal shell portion as the embodiment mobile terminal.
Here, the quantity of the first electric-conductor is at least one, the quantity of the second electric-conductor 5 and the quantity phase of the first electric-conductor
Deng.Preferably, the first electric-conductor is fixedly connected with the inner surface in the second metal shell portion and/or the 3rd metal shell portion.
Here, as shown in figure 1, metal shell 1 formed with the 3rd conductive part 6 of the second electric-conductor 5 (as shown in Figure 2) it is parallel
Plate capacitor.Specifically, formed between the first metal shell portion of metal shell 1 and the 3rd conductive part 6 of the second electric-conductor 5 flat
Row capacitor.It should be noted that due to the part of the second electric-conductor 5, i.e. the 3rd conductive part 6 is fixed on the printed circuit board 2
Edge so that the overlapping area S of the plane-parallel capacitor reduces, and then the coupled capacitor of antenna is reduced, and improves antenna
Performance.
Moreover, the Z-direction distance d of the 3rd conductive part 6 to metal shell 1 increases, also cause the coupled capacitor of antenna to reduce, carry
High antenna performance.
Further, because the first electric-conductor is fixed on the inner surface of metal shell 1, specifically, the of the first electric-conductor
One conductive part 3 is fixed on the inner surface of the wall of metal shell 1, and the 3rd conductive part 6 of the second electric-conductor 5 is fixed on the printing
The edge of circuit board 2 so that apart from short, transfer impedance is low for the connection of metal shell 1 to printed circuit board 2, is advantageous to improve day
Linear energy.
It should be noted that the first conductive part 3 is connected with metal shell 1 by riveting method.
Preferably, the inner surface of metal shell 1 is provided with mounting hole 8；Mobile terminal also includes：Nut 9 and screw 10；The spiral shell
Mother 9 is interference fitted in the mounting hole 8 with the mounting hole 8；The conductive part 3 of nut 9 and first is worn by the screw 10,
First conductive part 3 is fixedly connected with metal shell 1.
Specifically, as shown in figure 1, with reference to Fig. 2, nut 9, the center of the first electric-conductor and screw 10 mounting hole 8 along Fig. 2
Line is installed successively.Wherein, nut 9 is located in the mounting hole 8；First conductive part 3 of the first electric-conductor is close to metal shell 1, the
One conductive part 3 has a through hole, the through-hole alignment mounting hole 8；Screw 10 wears the conductive part 3 of nut 9 and first, and first is led
Electric part is fixedly connected with metal shell 1.
Specifically, the inner surface of the wall of metal shell 1 is provided with mounting hole 8.Here, can be in the wall of metal shell 1
Inner surface processes mounting hole 8 by Digit Control Machine Tool.
Here, the first conductive part 3 of the first electric-conductor is closely fixed on metal by the cooperation of screw 10 and nut 9
On housing 1, gap is not present between the first conductive part 3 and metal shell 1, coupling inductance can be avoided the formation of, further improve day
Linear energy.
Preferably, nut 9 is titanium alloy nut in the present embodiment, screw 10 for it is resistance to fall glue screw.So enter in the external world
During the corrosive liquids such as sweat, oxide etch is not easy, it is exceeded to avoid contact with resistance, improves antenna performance.
Specifically, the second conductive part 4 is formed as the elastic piece structure of bending.The elastic piece structure and the company of fitting of the 4th conductive part 7
Connect.
Preferably, the first electric-conductor is side-pressing spring piece, and the side-pressing spring piece has the first conductive part 3 and the second conductive part 4.
Specifically, the printed circuit board 2 of the present embodiment include the first face for being oppositely arranged and the second face, the first face of connection and
The side wall in the second face；Wherein, electronic component is provided with the first face and/or the second face, and the 3rd conductive part 6 is fixed on first
On face or the second face, the second conductive part 4 and the 4th conductive part 7 are located between side wall and the inner surface of metal shell 1.
Need exist for explanation, in order that metal shell 1 to printed circuit board 2 connection apart from short, it is linear to improve day
Can, the 3rd conductive part 6 is fixed on the edge in the first face or the edge in the second face.
Specifically, the 4th conductive part 7 includes the first kink of the first kink 11 and connection set parallel to side wall
11 and the 3rd conductive part 6 the second kink 12.
Preferably, the second kink 12 is set against side wall.
Specifically, the 3rd conductive part 6 is bonded and is fixedly connected with the first face or the second face.
One preferred embodiment, as shown in figure 4, the 3rd conductive part 6 includes being connected with the first of the first face or the fitting of the second face
Portion 13 and the slotting second connecting portion 14 extended into inside the printed circuit board 2.So, it can increase by the second electric-conductor 5 (such as Fig. 2 institutes
Show) in the reliability and structural strength of printed circuit board 2, roller, it is fixed the complete machine fall-down test such as fall when, the second electric-conductor 5 is not
Easily release.
It should be noted that printed circuit board 2 is provided with pin holes, printing electricity is extended into for inserting second connecting portion 14
Inside road plate 2.
Here, it is preferred that, the second electric-conductor 5 is fixed on printed circuit board 2 by surface mount process.
Preferably, the second electric-conductor 5 is gold plating film.The part plating that second conductive part 4 and the 4th conductive part 7 are fitted and connected
Gold.Because golden conducts electricity very well, and it is corrosion-resistant so that the contact resistance of the first electric-conductor and the second electric-conductor 5 is small, improves day
Linear energy.
In another preferred embodiment, as shown in figure 3, mobile terminal also includes：Duplexer chip 15, the duplexer core
Piece 15 is located on the first face or the second face of printed circuit board 2, and is set close to side wall.
Here, duplexer chip 15 is used for the working condition for switching antenna, completes the transmitting-receiving switching of radiofrequency signal, and
Complete switching between each frequency range of antenna etc..
It need to further illustrate, duplexer chip 15 is arranged on printed circuit board 2 relative with the second electric-conductor 5
Simultaneously.Preferably, as shown in figure 3, the second electric-conductor 5 is arranged at one of the bottom plate of close metal shell 1 on printed circuit board 2
Face, the electric-conductor 5 of duplexer chip 15 and second is relative, is arranged on the display screen of close mobile terminal on printed circuit board 2
Simultaneously.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of principle described in the utility model is not departed from, some improvements and modifications can also be made, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (10)
- A kind of 1. mobile terminal, it is characterised in that including：Metal shell (1), form a receiving space；Printed circuit board (2), is arranged in the receiving space；First electric-conductor, including：It is fixed on the first conductive part (3) on metal shell (1) and the inside towards the receiving space The second conductive part (4) of extension；Second electric-conductor (5), including：The 3rd conductive part (6) that is fixed on the printed circuit board (2) and led with described second The 4th conductive part (7) that electric portion (4) is fitted and connected.
- 2. mobile terminal according to claim 1, it is characterised in that first conductive part (3) and the metal shell (1) connected by riveting method.
- 3. mobile terminal according to claim 1, it is characterised in that the inner surface of the metal shell (1) is provided with installation Hole (8)；The mobile terminal also includes：Nut (9) and screw (10)；The nut (9) is located in the mounting hole (8), is interference fitted with the mounting hole (8)；The nut (9) and first conductive part (3), first conductive part (3) and institute are worn by the screw (10) Metal shell (1) is stated to be fixedly connected.
- 4. mobile terminal according to claim 1, it is characterised in that second conductive part (4) is formed as the bullet of bending Chip architecture.
- 5. mobile terminal according to claim 1, it is characterised in that the printed circuit board (2) includes what is be oppositely arranged First face and the second face, the side wall for connecting first face and second face；Wherein described first face and/or described second Electronic component is provided with face, and the 3rd conductive part (6) is fixed on the first face or the second face, second conductive part (4) it is located at the 4th conductive part (7) between the side wall and the inner surface of the metal shell (1).
- 6. mobile terminal according to claim 5, it is characterised in that the 4th conductive part (7) is included parallel to described The first kink (11) that side wall is set and connect the second curved of first kink (11) and the 3rd conductive part (6) Folding part (12).
- 7. mobile terminal according to claim 5, it is characterised in that the 3rd conductive part (6) and first face or The second face fitting is fixedly connected.
- 8. mobile terminal according to claim 5, it is characterised in that the 3rd conductive part (6) includes and described first The first connecting portion (13) and insert the second company for extending into the printed circuit board (2) inside that face or second face are fitted and connected Socket part (14).
- 9. mobile terminal according to claim 5, it is characterised in that the mobile terminal also includes：Duplexer chip (15), the duplexer chip (15) is located on first face or second face, and is set close to the side wall.
- 10. mobile terminal according to claim 1, it is characterised in that second electric-conductor (5) is gold plating film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720930028.4U CN207038726U (en) | 2017-07-28 | 2017-07-28 | A kind of mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720930028.4U CN207038726U (en) | 2017-07-28 | 2017-07-28 | A kind of mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207038726U true CN207038726U (en) | 2018-02-23 |
Family
ID=61463038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720930028.4U Active CN207038726U (en) | 2017-07-28 | 2017-07-28 | A kind of mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207038726U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818133A (en) * | 2019-01-28 | 2019-05-28 | 维沃通信科技有限公司 | The preparation method of terminal device and terminal device |
-
2017
- 2017-07-28 CN CN201720930028.4U patent/CN207038726U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818133A (en) * | 2019-01-28 | 2019-05-28 | 维沃通信科技有限公司 | The preparation method of terminal device and terminal device |
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