CN109548353A - A kind of mobile terminal - Google Patents
A kind of mobile terminal Download PDFInfo
- Publication number
- CN109548353A CN109548353A CN201811564053.0A CN201811564053A CN109548353A CN 109548353 A CN109548353 A CN 109548353A CN 201811564053 A CN201811564053 A CN 201811564053A CN 109548353 A CN109548353 A CN 109548353A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- mobile terminal
- shell
- terminal according
- support column
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1417—Mounting supporting structure in casing or on frame or rack having securing means for mounting boards, plates or wiring boards
Abstract
The present invention relates to field of mobile terminals, in particular to a kind of mobile terminal.Above-mentioned mobile terminal includes shell and the circuit board for being installed on shell, the circuit board installation region for mounting circuit boards is formed on shell, further include being set to circuit board installation region, pre-fixing device for cooperating with the via hole of circuit board with what is pre-fixed to circuit board, pre-fixes device and include support column for being supported to circuit board and be set to support top end, elastic spacing one of the via hole to be limited to circuit board across circuit board.Above-mentioned mobile terminal can pre-fix circuit board by pre-fixing device, and pre-fix device using this and can prevent from impacting the shell integral strength of mobile terminal and internal other component, while operate more easy.
Description
Technical field
The present invention relates to technical field of mobile terminals, in particular to a kind of mobile terminal.
Background technique
Pre-fixing for circuit board generallys use buckle structure in mobile terminal at present, can further adopt after having pre-fixed
It is screwed with automatic tapping machine and carries out final fixation, circuit board is avoided to be caused in use by external force collision or rock
Circuit is not connected to phenomena such as cannot be started up.And circuit board is using the principle that buckle structure is pre-fixed, wiring harness plate
When vertical depression make to buckle certain flexible deformation occur outward, buckle is restored to the position of design after engaging is completed, right
Circuit board is limited.In this way, circuit board pre-fixes the buckle that must be relied on mobile terminal front housing, and position is buckled on front housing
The selection set should avoid the electronic component on circuit board, guarantee to play the role of pre-fixing to circuit board again.Mobile terminal
Buckle is designed on front housing, especially when front housing uses in-mould injection alloy, is made in design in order to which mold can be demoulded smoothly
Buckle, immediately below buckle must cut-out alloy facilitate oblique top to demould, and local alloy is removed on front housing to be made
At the decrease of alloy integral strength, while when complete machine does waterproof test or high temperature and humidity test, steam is easy from hollowing out
Part enter TP layers, cause screen to show bright spot or hickie, there is risk in this way.
Summary of the invention
The present invention provides a kind of mobile terminal, and above-mentioned mobile terminal can be pre- solid to circuit board progress by pre-fixing device
Determine, and pre-fix device using this to prevent from impacting the shell integral strength of mobile terminal and internal other component,
Operation is more easy simultaneously.
In order to achieve the above objectives, the present invention the following technical schemes are provided:
The present invention provides a kind of mobile terminals, including shell and the circuit board for being installed on the shell, on the shell
It is formed with the circuit board installation region for installing the circuit board, further includes being set to the circuit board installation region, being used for
Cooperate with the via hole of the circuit board and pre-fix device with what is pre-fixed to the circuit board, the device that pre-fixes includes
Support column for being supported to circuit board and be set to the support top end, across the circuit board via hole to institute
State the elastic spacing one that circuit board is limited.
Above-mentioned mobile terminal includes shell and circuit board, and circuit board installation region, circuit board installing zone are formed on shell
Domain, which is provided with, pre-fixes device, and circuit board is installed on shell by pre-fixing device, and it includes support column and bullet that this, which pre-fixes device,
Property locating part, wherein the via hole of device cooperation is provided with and pre-fixed on circuit board, elastic spacing one is set to the top of support column
End, the via hole on circuit board with circuit board to cooperate, and support column is for being supported circuit board；In assembling process,
The via hole alignment of circuit board is pre-fixed into device first, circuit board is pushed so that the elastic spacing one part for pre-fixing device is worn
Via hole and circuit board cooperate, and thus can be limited to circuit board, prevent circuit board from springing back；In disassembly process, first will
Elastic spacing one is compressed, and when the outer ring size of elastic spacing one is less than the internal diameter of the via hole of circuit board, clamps circuit board
Both ends, vertical direction pulling can smoothly dismantle circuit board.It is used in above-mentioned mobile terminal and pre-fixes device fixing circuit board,
It pre-fixes device to be set on shell, without hollowing out shell, can prevent from impacting shell integral strength, simultaneously
It prevents from impacting other components in mobile terminal；And mode is pre-fixed using this, assembly or disassembly is simple and convenient,
Producing line can be improved producing line assembly efficiency, be also convenient for dismantling circuit board when mobile terminal later period maintenance when assembling；It is above-mentioned to pre-fix
In such a way that hole is aligned, it is higher that circuit board pre-fixes position precision for the cooperation of device and circuit board, fixes convenient for subsequent screw
Process is gone on smoothly；And mode is pre-fixed using this, buckle compared with the prior art pre-fixes mode, mobile terminal
The space that housing sidewall saves can more reasonably design other structures, improve the utilization rate in space.
Preferably, the support top end is equipped with and the integrally formed ballhead of the support column, the elastic spacing one
Resilient sleeve at the maximum weft of perimeter including being sheathed on the ballhead.
Preferably, the shape of the resilient sleeve is annular shape.
Preferably, it is provided with limiting groove at the maximum weft of the perimeter of the ballhead, the resilient sleeve is installed on institute
It states in limiting groove.
Preferably, the material of the resilient sleeve is rubber or elastomer.
Preferably, the elastic spacing one includes the elastic ball forming head for being set to the support top end.
Preferably, the support column and the shell are integrally formed.
Preferably, the elastic ball forming head is Nian Jie with the supporting element is connected.
Preferably, the shape of the support column is round table-like.
Preferably, the quantity for pre-fixing device is 2-4.
Detailed description of the invention
Fig. 1 is a kind of front view schematic diagram for pre-fixing device of mobile terminal provided by the invention；
Fig. 2 is a kind of top view illustration for pre-fixing device of mobile terminal provided by the invention；
Fig. 3 is a kind of oblique view schematic diagram for pre-fixing device of mobile terminal provided by the invention；
Fig. 4 be a kind of mobile terminal provided by the invention pre-fix device do not pre-fixed with circuit board it is partially schematic
Figure；
Fig. 5 is a kind of partial schematic diagram for pre-fixing device and circuit board and pre-fixing of mobile terminal provided by the invention；
Fig. 6 is that a kind of one kind of mobile terminal provided by the invention pre-fixes schematic device；
Icon:
1- shell；2- circuit board；3- pre-fixes device；4- support column；5- limiting groove；6- ballhead；7- resilient sleeve.
Specific embodiment
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 description, 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.
Please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 5, the present invention provides a kind of mobile terminal, including shell 1 and is installed on shell 1
Circuit board 2, the circuit board installation region for mounting circuit boards 2 is formed on shell 1, further includes being set to circuit board installation
Region pre-fixes device 3 for cooperating with the via hole of circuit board 2 with what is pre-fixed to circuit board 2, pre-fixes the packet of device 3
Include support column 4 for being supported to circuit board 2 and be set to 4 top of support column, across circuit board 2 via hole to circuit
The elastic spacing one that plate 2 is limited.
As shown in figure 5, above-mentioned mobile terminal includes shell 1 and circuit board 2, circuit board installation region is formed on shell 1,
Circuit board installation region, which is provided with, pre-fixes device 3, and circuit board 2 is installed on shell 1 by pre-fixing device 3, this pre-fixes dress
Setting 3 includes support column 4 and elastic spacing one, wherein is provided with and pre-fixes the via hole of the cooperation of device 3, elasticity limit on circuit board 2
Position part is set to the top of support column 4, the via hole on circuit board 2 to cooperate with circuit board 2, and support column 4 is used for circuit
Plate 2 is supported；In assembling process, the alignment of the via hole of circuit board 2 is pre-fixed into device 3 first, circuit board 2 is pushed so that
The elastic spacing one for pre-fixing device 3 partially passes through via hole and circuit board 2 cooperates, and thus can be limited, be prevented to circuit board 2
Circuit board 2 is sprung back, as shown in Figure 5；In disassembly process, elastic spacing one is compressed first, when outside elastic spacing one
When enclosing the internal diameter for the via hole that size is less than circuit board 2, the both ends of circuit board 2 are clamped, vertical direction pulling can smoothly dismantle electricity
Road plate 2, as shown in Figure 4.Using 3 fixing circuit board 2 of device is pre-fixed in above-mentioned mobile terminal, pre-fixes device 3 and be set to shell
On body 1, without hollowing out shell 1, it can prevent from impacting 1 integral strength of shell, while preventing to mobile terminal
In other components impact；And mode is pre-fixed using this, assembly or disassembly is simple and convenient, can in producing line assembly
It improves producing line assembly efficiency, be also convenient for dismantling circuit board 2 when mobile terminal later period maintenance；It is above-mentioned to pre-fix device 3 and circuit board 2
Cooperation be aligned using hole by the way of, circuit board 2 pre-fixes that position precision is higher, convenient for subsequent screw fixed step it is smooth into
Row；And mode is pre-fixed using this, buckle compared with the prior art pre-fixes mode, and 1 side wall of mobile terminal shell saves
Space out can more reasonably design other structures, improve the utilization rate in space.
Specifically, as shown in Figure 1, support top end is equipped with and the integrally formed ballhead of the support column, the elasticity
Locating part includes the resilient sleeve 7 being sheathed at the maximum weft of perimeter of ballhead 6.
In one embodiment, support top end is equipped with and the integrally formed ballhead of the support column, the elasticity
Locating part includes the resilient sleeve 7 being sheathed at the maximum weft of perimeter of ballhead 6, wherein ballhead 6 and the one of support column 4 at
Type facilitates production；During the installation and removal of circuit board 2, elasticity of compression set 7 makes its peripheral diameter be less than 2 mistake of circuit board
The internal diameter in hole, to realize the installation and removal of circuit board 2.Specifically, during pre-fixing, first by the via hole on circuit board 2
It is directed at ballhead 6, circuit board 2 is pressed vertically downward, when the lower end surface of circuit board 2 is tentatively expressed to the upper surface of resilient sleeve 7, bullet
Property set 7 be pressurized occur flexible deformations, continue to 2 intensified pressure of circuit board, when the upper surface of circuit board 2 is displaced to resilient sleeve 7
When lower end surface, stopping applying pressure to circuit board 2, pre-fixes process completion, resilient sleeve 7 realizes the limit function to circuit board 2,
As shown in Figure 5；In 2 disassembly process of circuit board, pressed with finger to towards the direction of 6 centre of sphere of ballhead along 2 plane of circuit board
The outer ring of compression elasticity set 7,7 stress of resilient sleeve are compressed, and when compressing to a certain extent, the outer ring size of resilient sleeve 7 is less than circuit
The via diameter of plate 2 clamps the both ends of circuit board 2 at this time, and vertical direction pulling can smoothly dismantle circuit board 2, such as Fig. 4 institute
Show.
Specifically, as shown in Fig. 2, the shape of resilient sleeve 7 is annular shape.
Circular resilient sleeve 7 is sheathed at the maximum weft of perimeter of ballhead 6 to carry out position limit to circuit board 2
It is fixed.
Specifically, as shown in fig. 6, being provided with limiting groove 5 at the maximum weft of the perimeter of ballhead 6, resilient sleeve 7 is installed
In in limiting groove 5.
Resilient sleeve 7 is mountable in the limiting groove 5 of ballhead 6, can be limited the position of resilient sleeve 7 in this way, be prevented
Resilient sleeve 7 is easy sliding etc. during pre-fixing, and preferably pre-fixes effect to reach.
Specifically, the material of resilient sleeve 7 is rubber or elastomer.
Rubber or elastomer can be used as the material of resilient sleeve 7, when pre-fixing circuit board 2, need to resilient sleeve 7
It is compressed, rear resilient sleeve 7 needs to spring back to limit wiring board.
Specifically, elastic spacing one includes the elastic ball forming head for being set to 4 top of support column.
In another embodiment, elastic spacing one is flexible elastic ball forming head, and above-mentioned elastic ball forming head is set
It is placed in the top of support column 4, can realize that the installation and removal of circuit board 2 are specifically pre-fixed by elasticity of compression ballhead
In the process, the via hole on circuit board 2 is first directed at elastic ball forming head, presses circuit board 2 vertically downward, when elastic ball forming head enters
When the via hole of circuit board 2, stop applying pressure to circuit board 2, pre-fixes process completion；In 2 disassembly process of circuit board, along
2 plane finger of circuit board presses elastic ball forming head to towards the direction of the elastic ball head shoot heart, and elastic ball forming head stress is pressed
Contracting is less than the via diameter of circuit board 2 when compressing to a certain extent, at this time at the compressed maximum gauge of elastic ball forming head
The both ends of circuit board 2 are clamped, vertical direction pulling can smoothly dismantle circuit board 2.
Specifically, support column 4 and shell 1 are integrally formed.
Support column 4 can with 1 integrated injection molding of shell, it is easy to make, and support column 4 and shell 1 are integrally formed, support
Effect is more preferable, eliminates the fixed installation etc. of support column 4, not will cause situations such as support column 4 is mobile.
Specifically, elastic ball forming head is Nian Jie with supporting element is connected.
It is connected between elastic ball forming head and supporting element using bonding way, it is easy to operate.
Specifically, the shape of support column 4 is round table-like.
On the one hand the shape of support column 4 is mentioned since round table-like support column 4 can be implemented as circuit board 2 using round table-like
For the effect of support,；On the other hand the round table-like drafting angle that can guarantee during support column 4 and 1 integral production of shell,
Facilitate production.
Specifically, the quantity for pre-fixing device 3 is 2-4.
The usually layout of device 3 is pre-fixed in the edge of circuit board 2, quantity can be two, three or four, this
Sample can guarantee to pre-fix effect while simplifying manufacture craft.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of mobile terminal is formed on the shell for installing including shell and the circuit board for being installed on the shell
The circuit board installation region of the circuit board, which is characterized in that further include being set to the circuit board installation region, being used for and institute
It states the via hole cooperation of circuit board and pre-fixes device with what is pre-fixed to the circuit board, the device that pre-fixes includes being used for
Support column that circuit board is supported and be set to the support top end, across the circuit board via hole to the electricity
The elastic spacing one that road plate is limited.
2. mobile terminal according to claim 1, which is characterized in that the support top end is equipped with and the support column one
Body formed ballhead, the elastic spacing one include the resilient sleeve being sheathed at the maximum weft of perimeter of the ballhead.
3. mobile terminal according to claim 2, which is characterized in that the shape of the resilient sleeve is annular shape.
4. mobile terminal according to claim 3, which is characterized in that be arranged at the maximum weft of the perimeter of the ballhead
There is limiting groove, the resilient sleeve is installed in the limiting groove.
5. mobile terminal according to claim 2, which is characterized in that the material of the resilient sleeve is that rubber or elasticity are fine
Dimension.
6. mobile terminal according to claim 1, which is characterized in that the elastic spacing one includes being set to the support
The elastic ball forming head of top end.
7. mobile terminal according to claim 6, which is characterized in that the support column and the shell are integrally formed.
8. mobile terminal according to claim 6, which is characterized in that the elastic ball forming head phase Nian Jie with the supporting element
Even.
9. mobile terminal according to claim 1, which is characterized in that the shape of the support column is round table-like.
10. mobile terminal according to claim 1, which is characterized in that the quantity for pre-fixing device is 2-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811564053.0A CN109548353A (en) | 2018-12-20 | 2018-12-20 | A kind of mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811564053.0A CN109548353A (en) | 2018-12-20 | 2018-12-20 | A kind of mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109548353A true CN109548353A (en) | 2019-03-29 |
Family
ID=65856021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811564053.0A Pending CN109548353A (en) | 2018-12-20 | 2018-12-20 | A kind of mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109548353A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110611728A (en) * | 2019-10-18 | 2019-12-24 | 上海创功通讯技术有限公司 | Mainboard joint structure and electronic equipment |
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| CN207584691U (en) * | 2017-11-21 | 2018-07-06 | 台达电子工业股份有限公司 | Indicator fixing device |
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| CN101039564A (en) * | 2006-03-17 | 2007-09-19 | 富准精密工业(深圳)有限公司 | Radiator fixing device |
| CN200949569Y (en) * | 2006-08-16 | 2007-09-19 | 英业达股份有限公司 | Fan fixing device |
| CN101198237A (en) * | 2006-12-07 | 2008-06-11 | 英业达股份有限公司 | Circuit board fixing mechanism |
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| CN204031684U (en) * | 2014-07-31 | 2014-12-17 | 深圳市富瑞成科技有限公司 | The Mini Card fixed structure of PCB mainboard |
| CN204141527U (en) * | 2014-10-29 | 2015-02-04 | 常州普美电子科技有限公司 | A kind of Novel LED lampshade |
| CN204968302U (en) * | 2015-09-05 | 2016-01-13 | 慈溪市鼎力塑胶有限公司 | Integrated circuit board mounting |
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Application publication date: 20190329 |
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