CN105957760B - A kind of mobile terminal device - Google Patents
A kind of mobile terminal device Download PDFInfo
- Publication number
- CN105957760B CN105957760B CN201610561781.0A CN201610561781A CN105957760B CN 105957760 B CN105957760 B CN 105957760B CN 201610561781 A CN201610561781 A CN 201610561781A CN 105957760 B CN105957760 B CN 105957760B
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- CN
- China
- Prior art keywords
- groove
- shrapnel
- pcb board
- mobile terminal
- mainboard
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- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/26—Snap-action arrangements depending upon deformation of elastic members
- H01H13/36—Snap-action arrangements depending upon deformation of elastic members using flexing of blade springs
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- Telephone Set Structure (AREA)
Abstract
The embodiment of the present invention provides a kind of mobile terminal device, including casing, key switch, pcb board, mainboard, shrapnel, the key switch is fixed on the pcb board, the PCB is equipped with golden finger, the shrapnel is contacted with the golden finger, the shrapnel fixes the pcb board on the housing, and the mainboard is fixed on the housing, and the shrapnel is contacted with the mainboard.Realization method assembling procedure complexity is connected with mainboard for solving existing key switch for the mobile terminal device that the embodiment of the present invention is provided, and dismounting is easy to cause damage and the higher problem of cost of FPC.
Description
Technical field
The present invention relates to mobile terminal device field of structural design more particularly to a kind of mobile terminal devices.
Background technology
Usually all there is button in existing mobile terminal device, when pressing keys, button triggers key switch,
Key switch is connected with mainboard, to execute keypress function.
Currently, there are two types of mode, one of which sides for the structure design for key switch part and with mainboard turning part
For formula as shown in Figure 1, key switch 01 is attached on FPC02, FPC02 is equipped with reinforcement steel disc 03, and reinforcement steel disc 03 passes through double faced adhesive tape
It is sticked on casing 04.Mainboard 05 is fixed on casing 04, and connector 06 is welded on mainboard 05, and FPC02 is inserted into connector 06
In.In pressing keys, button triggers key switch, and key switch is connected with mainboard, and control circuit executes correspondence and presses on mainboard
The function of key.The design method that another key switch part is connected with mainboard is as shown in Fig. 2, key switch 01 is attached to FPC02
On, FPC02 is equipped with reinforcement steel disc 03, and reinforcement steel disc 03 is adhesive in by two-sided on casing 04.Mainboard 05 is fixed on casing 04
On, shrapnel 51 is welded on mainboard 05, the shrapnel 51 on FPC02 and mainboard 05 contacts, and FPC02 is compressed by structural member 06.
However, both realization method assembling procedures are all more complicated, the damage of FPC is also be easy to cause in disassembly process,
And cost is higher.
Invention content
The embodiment of the present invention provides a kind of mobile terminal device, is connected in fact with mainboard for solving existing key switch
Existing mode assembling procedure is complicated, and dismounting is easy to cause damage and the higher problem of cost of FPC.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that：
The embodiment of the present invention provides a kind of mobile terminal device, which is characterized in that including casing, key switch, pcb board,
Mainboard, shrapnel, the key switch are fixed on the pcb board, and the PCB is equipped with golden finger, the shrapnel and the gold
Finger contacts, and the shrapnel fixes the pcb board on the housing, and the mainboard is fixed on the housing, the bullet
Piece is contacted with the mainboard.
Mobile terminal device provided in an embodiment of the present invention, key switch is fixed on pcb board, by pcb board
Golden finger is set, the conducting of golden finger and mainboard is realized by shrapnel, and then realize the conducting of pcb board and mainboard, and pass through
Pcb board is fixed on casing by shrapnel, and fixed form is simple, and shrapnel both ends only need to contradict with golden finger, mainboard respectively
On conducting can be realized, need not add reinforcement steel disc as the prior art using FPC, and FPC sticked on casing,
The solder connector on mainboard is also needed to the FPC other ends are inserted into connector or compress the other end by a structural member
FPC realizes that the conducting of FPC and mainboard shrapnel, assembling procedure greatly reduce, and pcb board cost adds reinforcement steel relative to FPC
Piece wants much lower, and the dismounting of hardboard is simple compared to FPC and is hardly damaged.On the other hand, the occupied space of pcb board is less,
Only need to reserve the space of golden finger.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the key switch and mainboard conducting structure schematic diagram for the mobile terminal device that the prior art provides；
Fig. 2 is that another structural schematic diagram is connected with mainboard for the key switch for the mobile terminal device that the prior art provides；
Fig. 3 is the key switch and mainboard conducting structure schematic diagram of mobile terminal device provided in an embodiment of the present invention；
Fig. 4 is that another structural representation is connected with mainboard for the key switch of mobile terminal device provided in an embodiment of the present invention
Figure；
Fig. 5 is the key switch and pcb board structural schematic diagram of mobile terminal device provided in an embodiment of the present invention；
Fig. 6 is the casing structure schematic diagram of mobile terminal device provided in an embodiment of the present invention；
Fig. 7 is another structural schematic diagram of casing of mobile terminal device provided in an embodiment of the present invention；
Fig. 8 is the elastic piece structure schematic diagram of mobile terminal device provided in an embodiment of the present invention；
Fig. 9 is another structural schematic diagram of shrapnel of mobile terminal device provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of mobile terminal device, as shown in Fig. 3-Fig. 9, including casing 01, key switch 02,
Pcb board 03, mainboard 04, shrapnel 05, key switch 02 are fixed on pcb board 03, and pcb board 03 is equipped with golden finger 35, shrapnel 05
It is contacted with golden finger 35, pcb board 03 is fixed on casing 01 by shrapnel 05, and mainboard 04 is fixed on casing 01, shrapnel 05 and master
Plate 04 contacts.
Mobile terminal device provided in an embodiment of the present invention, key switch is fixed on pcb board, by pcb board
Golden finger is set, the conducting of golden finger and mainboard is realized by shrapnel, and then realize the conducting of pcb board and mainboard, and pass through
Pcb board is fixed on casing by shrapnel, and fixed form is simple, and shrapnel both ends only need to contradict with golden finger, mainboard respectively
On conducting can be realized, need not add reinforcement steel disc as the prior art using FPC, and FPC sticked on casing,
The solder connector on mainboard is also needed to the FPC other ends are inserted into connector or compress the other end by a structural member
FPC realizes that the conducting of FPC and mainboard shrapnel, assembling procedure greatly reduce, and pcb board cost adds reinforcement steel relative to FPC
Piece wants much lower, and the dismounting of hardboard is simple compared to FPC and is hardly damaged.On the other hand, the occupied space of pcb board is less,
Only need to reserve the space of golden finger.
Specifically, key switch is weldingly fixed on by SMT on pcb board, and this mode is fixed simply, and cost is relatively low, and
And it is fixed also than stronger.
Specifically, mainboard is fixed by screws on casing.
It should be noted that：Key switch can also be fixed on pcb board by other means, and mainboard can also pass through it
He is fixed on casing mode, and the present invention is to this and is not specifically limited.
Further, shrapnel 05 is equipped with the first protrusion 51, and as shown in figs. 7 to 9, casing 01 is equipped with card slot 11,
Pcb board 03 is equipped with the first groove 31, and the position that the first groove 31 is corresponded on casing 01 is equipped with the second groove 12, and shrapnel 05 is pressed in
On first groove 31 and across the second groove 12, the first protrusion 51 is stuck in card slot 11.By the way that card slot is arranged on casing,
The first protrusion is set on shrapnel, the first protrusion is stuck in card slot, shrapnel can be fixed on casing.And shrapnel is pressed in
So that the first protrusion is fixed in card slot on first groove and across the second groove on casing, pcb board can also be pre-fixed
On casing.
Specifically, the first protrusion 51 be arc-shaped protrusion, it is corresponding, card slot 11 be circular groove, card slot shape with
The shape of first protrusion matches, and realizes and engages in order to the two.
As shown in figure 4, the first groove 31 is edges of boards slot.First groove, 31 bottom surface is plane so that it is convenient to which shrapnel 05 is pressed in
It on the bottom surface of first groove 31, is come into full contact with bottom surface, gives one pressure of bottom surface of the first groove 31.
Specifically, as Figure 6-Figure 7, the bottom surface of the second groove 12 is plane.
Further, the height of the second groove 12 be less than the first groove 31 height, this be in order to make shrapnel 05 always with
First groove 31 contacts, and to realization and the contact of pcb board 03, and prevents casing 01 from jacking up shrapnel 05 and causes pcb board
About 03 play.
Further, face opposite with the first protrusion 51 on shrapnel 05 is equipped with the second protrusion 52, the second protrusion
52 contact with pcb board 03.Golden finger 35 is arranged in the position of corresponding second protrusion 52 on pcb board 03, and the second protrusion 52 supports
It touches on golden finger 35.By be arranged the second protrusion come on pcb board golden finger 35 contact, be more convenient realize shrapnel and
The conducting of pcb board.
Specifically, golden finger is made of the conductive contact blade of numerous golden yellow, and because of its surface gold-plating and conductive contact blade arranges
Such as finger-shaped, so being known as " golden finger ".
The region area of golden finger contacts realization and bullet depending on actual demand, as long as can play with the second protrusion 52
The purpose that piece 05 is connected.
Further, one end of shrapnel 05 is equipped with the first bending part 53, and the first bending part 53 is V-type flanging, V-type flanging
Including the first flanging 531 and the second flanging 532, the first flanging 531 is plane, 52 place of the first flanging 531 and the second protrusion
Face it is parallel, the second flanging 532 and 531 angle of the first flanging are in obtuse angle.
Specifically, there are two the first bending parts 53, two the first bending parts 53 are symmetrical arranged, and are located at shrapnel one end
Both sides.
Specifically, doubling bending is carried out to the both sides of one end of shrapnel, the first bending part is formed in one end both sides of doubling.
First bending part is connected with one end corresponding thereto by arc-shaped interconnecting piece transition.
Further, the other end of shrapnel 05 is equipped with the second bending part 54, and the second bending part 54 is located at casing 01 and mainboard
Between 04, mainboard 04 is pressed on the second bending part 54.In this way, mainboard can give one downward pressure of the second bending part of shrapnel
Power, the active force can make the more fastening that shrapnel and casing coordinate.
Specifically, the second bending part 54 is S types, and one end of arc convex is contacted with mainboard 04, and mainboard 04 is pressed in the end, gives
05 1 downward pressure of shrapnel are given, makes shrapnel 05 and casing 01 is fixed more fastens.
Further, shrapnel 05 is U+V types, is additionally provided with third groove 32 on pcb board 03, it is recessed to be additionally provided with the 4th on casing 01
Slot 13, third groove 32 and the first groove 31 are symmetrical arranged, and the 4th groove 13 and the second groove 12 are symmetrical arranged.First groove 31
The both ends of pcb board 03 are located at third groove 32, the second groove 12 and the 4th groove 13 are located at the both ends of casing 01.
Specifically, third groove 32 is also edges of boards slot, and the bottom surface of third groove 32 is plane, facilitates shrapnel 05 and third recessed
Slot 32 comes into full contact with.
Further, 13 bottom surface of the 4th groove is plane, and the height of the 4th groove 13 is shorter than the height of third groove 32, this
It is to realization and the contact of pcb board 03, and to prevent casing 01 by bullet to make shrapnel 05 be contacted always with third groove 32
Piece 05 jacks up and causes about 03 play of pcb board.
Further, shrapnel 05 is two, and left and right ends are symmetrical arranged that there are two card slot 11, left side shrapnel pressures on casing 01
First protrusion 51 is stuck in left side card slot 11 on casing 01 on the first groove 31 and across the second groove 12 on casing 01
On.The right shrapnel is pressed on third groove 32 and across the 4th groove 13, and the first protrusion 51 on the shrapnel is made to be stuck in casing
In upper right checkpost slot 11.In this way, being used cooperatively by two shrapnels, pcb board 03 is fixed on casing 01.
Further, the 5th groove 33 is additionally provided on pcb board 03, the 5th groove 33 is located at the first groove 31 and is opened close to button
Close 02 position.
Specifically, the 5th groove 33 is arranged between 31 side wall of 31 bottom surface of the first groove and the first groove, the 5th groove 33
Depth is deeper than the first groove 31.This is because pcb board is in process, interior corner part can all be deposited due to technique processing problems
In small fillet, in order to avoid small round corner withstands shrapnel to cause to assemble situation not in place, so being increased on pcb board
5th groove can effectively solve the problems, such as this.In this way when shrapnel is pressed on the first groove 31, pcb board will not be asked because of processing
The small round corner that topic generates jacks up shrapnel.
Specifically, the 5th groove 33 is circular groove, and the bottom surface of the 5th groove 33 is arc.It is more convenient in this way by bullet
Piece presses on the first groove.
Specifically, on pcb board 03 there are two the 5th grooves 33, two the 5th grooves 33 are symmetrical arranged, and are symmetrically distributed in PCB
The both ends of plate.I.e.：One the 5th groove 33 is additionally provided between the side wall of the bottom surface of third groove 32 and third groove 32, it is convenient
Another shrapnel presses on third groove 32.
It should be noted that：The shape of 5th groove is not limited to arc-shaped, or other shapes, as long as can rise
It is pressed respectively on the first groove and third groove to two shrapnels are not interfered.
Further, the 6th groove 34 is additionally provided on pcb board 03, the 6th groove 34 is located at opposite one of the first groove 31
End is located at the position of 02 lower section of key switch.
Specifically, the 6th groove 34 is located at the center of pcb board lower end.By the way that the 6th groove is arranged, PCB can be facilitated
The dismounting of plate.
Specifically, 34 bottom surface of the 6th groove is plane, and side is arc-shaped so that it is convenient to which user dismantles pcb board.
It should be noted that：The position of 6th groove is not limited to center, facilitates pcb board to tear open as long as can play
The purpose unloaded.The shape of 6th groove is also not limited to the shape in the embodiment of the present invention, other shapes can also, only
It wants that effect easy to disassemble can be played.
Further, casing 01 is equipped with the 7th groove 14, and the 7th groove 14 is located at the second groove 12 and the 4th groove 14
Between.7th groove 14 and the 6th groove 34 are used cooperatively so that the dismounting of pcb board is more convenient.
Further, the 8th groove 36 is additionally provided on pcb board 03, it is corresponding that the 8th groove 36 is located at 31 lower end of the first groove
Position.
Specifically, the bottom surface of the 8th groove 36 is plane, and side is plane, and the bottom surface of the 8th groove is vertical with side.
Specifically, the 8th groove 36 is edges of boards slot.
Specifically, there are two the 8th grooves 36, two the 8th grooves are symmetrical arranged, and are respectively symmetrically distributed in pcb board 03
Both ends.
Specifically, shrapnel 05 is being pressed on the first groove 31 and across the second groove 12, is making the first protrusion 51 of shrapnel 05
When being stuck in the card slot 11 on casing 01, the second protrusion 52 is contacted with the golden finger 35 being arranged on pcb board 03, realize shrapnel with
The conducting of pcb board.First bending part 53 contradicts on pcb board, and the first flanging is parallel with pcb board, the second flanging and the first flanging
In obtuse angle, the second flanging is bent angle to pcb board direction, and a part stretches into the 8th groove on pcb board, therefore second
Flanging gives pcb board 03 with inside active force, and the angle of 53 first flanging of the first bending part and the second flanging is in obtuse angle,
Also so that shrapnel 05 gives pcb board 03 with the active force of upward direction, in this way, there have shrapnel to be pressed in first in 03 upper end of pcb board to be recessed
There are the upward active force that the first bending part is given in pressure on slot, lower end, and can prevent the play of pcb board in above-below direction.
Also, because the second flanging also gives pcb board 03 with inside active force so that pcb board 03 was bonded with casing 01 more steps up
It is close.The second bending part of the left and right sides two, the active force applied for pcb board is more uniform, plays and preferably keeps pcb board steady
Fixed effect.
Further, as shown in figure 9, H1>H2>H3, wherein the face where 532 the second protrusion of distance of the second flanging 52
Maximum distance be H1, the vertical height of the second protrusion 52 is H2, where first flanging, 531 the second protrusion of distance 52
The vertical range in face is H3.
H1>H3 will have gap in this way, in disassembly process between the second protrusion 52 and pcb board 03, prevent
Two protrusions, 52 semicircular sharp edge damages pcb board.
H2>H3, in this way, can ensure that the second protrusion 52 comes into full contact with pcb board 03 after the completion of assembly.
Specifically, mobile terminal device is mobile phone.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (9)
1. a kind of mobile terminal device, which is characterized in that including casing, key switch, pcb board, mainboard, shrapnel, the button
Switch is fixed on the pcb board, and the pcb board is equipped with golden finger, and the shrapnel is contacted with the golden finger, the shrapnel
The pcb board to be fixed on the housing, the mainboard is fixed on the housing, and the shrapnel is contacted with the mainboard,
The shrapnel is equipped with the first protrusion, and the casing is equipped with card slot, and the pcb board is equipped with the first groove, the casing
The position of upper correspondence first groove is equipped with the second groove, and the shrapnel is pressed on first groove and across described second
Groove, first protrusion are stuck in the card slot.
2. mobile terminal device according to claim 1, which is characterized in that on the shrapnel with the first protrusion phase
To face be equipped with the second protrusion, second protrusion contacts with the golden finger on the pcb board.
3. mobile terminal device according to claim 2, which is characterized in that one end on the shrapnel is equipped with the first bending
Portion, first bending part are V-type flanging, and V-type flanging includes the first flanging and the second flanging, and first flanging is plane,
First flanging is parallel with the face where second protrusion, and second flanging and first flanging are in obtuse angle.
4. mobile terminal device according to claim 1, which is characterized in that the other end of the shrapnel is equipped with the second bending
Portion, between the casing and the mainboard, the mainboard is pressed on second bending part second bending part.
5. mobile terminal device according to claim 2, which is characterized in that the shrapnel is U+V types, and the shrapnel has two
It is a, it is additionally provided with third groove on the pcb board, the 4th groove, the third groove and described first are additionally provided on the casing
Groove is symmetrical arranged, and the 4th groove is symmetrical arranged with second groove.
6. mobile terminal device according to claim 2, which is characterized in that be additionally provided with the 5th groove, institute on the pcb board
The 5th groove is stated between first groove floor and the first recess sidewall.
7. mobile terminal device according to claim 2, which is characterized in that be additionally provided with the 6th groove, institute on the pcb board
It states the 6th groove and is located at the opposite one end of first groove, be located at the position below the key switch.
8. mobile terminal device according to claim 5, which is characterized in that the casing is equipped with the 7th groove, described
7th groove is between second groove and the 4th groove.
9. mobile terminal device according to claim 3, which is characterized in that H1>H2>H3, wherein second flanging away from
Maximum distance from the face where second protrusion is H1, and the vertical height of second protrusion is H2, described first
Vertical range of the flanging apart from face where second protrusion is H3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610561781.0A CN105957760B (en) | 2016-07-18 | 2016-07-18 | A kind of mobile terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610561781.0A CN105957760B (en) | 2016-07-18 | 2016-07-18 | A kind of mobile terminal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105957760A CN105957760A (en) | 2016-09-21 |
| CN105957760B true CN105957760B (en) | 2018-08-17 |
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ID=56901444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610561781.0A Active CN105957760B (en) | 2016-07-18 | 2016-07-18 | A kind of mobile terminal device |
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| CN (1) | CN105957760B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107071120B (en) * | 2017-03-31 | 2019-12-03 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4284866A (en) * | 1980-08-25 | 1981-08-18 | Amp Incorporated | Membrane switch assembly |
| EP0917167B1 (en) * | 1997-07-23 | 2000-10-11 | Molex Incorporated | Electrical switch and circuit structure |
| CN201274559Y (en) * | 2008-10-16 | 2009-07-15 | 英华达(上海)电子有限公司 | Sound shielding apparatus for portable device |
| CN201438799U (en) * | 2009-04-10 | 2010-04-14 | 鸿富锦精密工业（深圳）有限公司 | Circuit board bracket |
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2016
- 2016-07-18 CN CN201610561781.0A patent/CN105957760B/en active Active
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| Publication number | Publication date |
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| CN105957760A (en) | 2016-09-21 |
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