CN207124654U - A kind of screw fastening structure and its mobile terminal of application - Google Patents
A kind of screw fastening structure and its mobile terminal of application Download PDFInfo
- Publication number
- CN207124654U CN207124654U CN201720474243.8U CN201720474243U CN207124654U CN 207124654 U CN207124654 U CN 207124654U CN 201720474243 U CN201720474243 U CN 201720474243U CN 207124654 U CN207124654 U CN 207124654U
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- fixture
- screw
- nut
- mounting hole
- nut column
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Abstract
The utility model discloses a kind of screw fastening structure and its mobile terminal of application, the screw fastening structure, including the first fixture, second fixture, screw and nut post, first fixture is provided with screw mounting hole, second fixture is provided with nut mounting hole, nut column bottom is pressed on the outside of the second fixture provided with boss, it is threadedly coupled between screw and Nut column, first fixture and the second fixture are fixedly connected by the cooperation of screw and nut post, the elastic water-proof part of ring-type is installed between its first fixture and the second fixture, elastic water-proof part is pressed between the first fixture and the second fixture by Nut column, the outer diameter D 1 of silicone gasket elastic water-proof part, meet between internal diameter D2 and screw mounting hole internal diameter D3：D1 ＞ D3 ＞ D2.The utility model is simple in construction, and elastic water-proof part serves good waterproof buffer action, ensures that steam can not enter from screw mounting hole；It is less to appearance effects and the screw can be assembled and disassembled repeatedly.
Description
Technical field
It the utility model is related to the mobile end of mechanical field, more particularly to a kind of screw fastening structure and its application
End.
Background technology
With the continuous development of mobile terminal, requirement more and more higher of the user to mobile terminal water resistance is whole to ensure
The waterproof of machine need to singly not start with from outside, need to also carry out waterproof at each details in the inside of mobile terminal, for example, battery compartment with
The junction of handset shell, as shown in figure 1, the handset shell a is provided with the nut fixing hole e for being used for installing Nut column c, institute
State battery compartment b and be provided with the screw installing hole f for being used for installing screw d, be threadedly coupled between the screw d and the Nut column c,
It is fixedly connected between handset shell a and battery compartment b by screw d and Nut column c cooperation.Because the screw c and screw pacify
There is gap in dress hole f hole wall, and steam easily penetrates into interior of mobile phone from the gap, makes the circuit inside mobile terminal
Plate makes moist.Common waterproof construction is to inject silica gel g screw d at so that screw d and battery compartment b sealing, but in this structure
Silica gel g needs to flow to screw d bottoms, but the more difficult control of injecting glue amount at this has that sealing effectiveness is bad, and screw d without
Method enters back into dismounting, is unfavorable for the work of detection after sale of mobile terminal.
Utility model content
The utility model embodiment provides a kind of screw fastening structure and its mobile terminal of application, can overcome existing
There is the problem of easily infiltration is so as to influence mobile terminal performance at screw connection in technology.
On the one hand the utility model embodiment provides a kind of screw fastening structure, applied to mobile terminal, bag
The first fixture, the second fixture, screw and nut post are included, first fixture is provided with the spiral shell for being used for installing the screw
Mounting hole is followed closely, second fixture is provided with the nut mounting hole for being used for installing the Nut column, and the nut column bottom is set
There is boss to be pressed on the outside of second fixture, be threadedly coupled between the screw and the Nut column, first fixture
It is fixedly connected with second fixture by the cooperation of the screw and the Nut column, it is characterised in that described first is solid
Determine to be provided with the elastic water-proof part of ring-type between part and second fixture, the elastic water-proof part is pressed in by the Nut column
Between first fixture and second fixture, the outer diameter D 1 of the elastic water-proof part, internal diameter D2 pacify with the screw
Meet between dress hole internal diameter D3：D1 ＞ D3 ＞ D2.
The screw fastening structure that the utility model embodiment provides, by being fixed in the first fixture and described second
Elastic water-proof part is installed, the diameter of bore of elastic water-proof part is less than the screw mounting hole, simple in construction, elastic water-proof between part
Part ensures that steam can not enter from screw mounting hole to serving good waterproof buffer action at screw mounting hole；It is and described
Screw can be assembled and disassembled repeatedly, less to appearance effects.
On the other hand the utility model embodiment provides a kind of mobile terminal, including casing assembly, casing assembly bag
Include the first housing, the second housing and the screw fastening structure for the first housing and the second housing to be connected, its feature
It is：The screw fastening structure is screw fastening structure described above, wherein, first fixture is located at
In first housing, second fixture is located in second housing.
Mobile terminal provided by the utility model, changed by having carried out waterproof to the screw fastening structure of casing assembly
It is good, effectively prevent steam from entering interior of mobile phone, ensure the stabilization working properly of mobile phone.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described, and drawings in the following description are only the accompanying drawing of some embodiments of the utility model,
For those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Other accompanying drawings.
Fig. 1 is the structural representation of battery compartment and handset shell junction in the prior art；
Fig. 2 is a kind of structural representation for screw fastening structure that this new embodiment one provides；
Fig. 3 is a kind of exploded view for screw fastening structure that this new embodiment one provides；
Fig. 4 is a kind of exploded perspective figure for screw fastening structure that this new embodiment one provides.
Embodiment：
In order that technical problem, technical scheme and beneficial effect that the utility model solves are more clearly understood, below
With reference to drawings and Examples, the utility model is further elaborated.It should be appreciated that specific implementation described herein
Example only to explain the utility model, is not used to limit the utility model.
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.
Embodiment one：
Reference picture 2 is to Fig. 4, a kind of screw fastening structure that the present embodiment provides, applied to mobile terminal, including the
One fixture 1, the second fixture 2, screw 3 and Nut column 4, the first fixture 1 is provided with to be installed for the screw of mounting screw 3
Hole 11, the second fixture 2 are provided with the nut mounting hole 21 for being used for installing Nut column 4, and the bottom of Nut column 4 is pressed in provided with boss 41
The outside of second fixture 2, is threadedly coupled, the first fixture 1 and the second fixture 2 pass through screw 3 between screw 3 and Nut column 4
Cooperation with Nut column 4 is fixedly connected, it is characterised in that is provided with ring-type between the first fixture 1 and the second fixture 2
Elastic water-proof part 5, elastic water-proof part 5 are pressed between the first fixture 1 and the second fixture 2 by Nut column 4, elastic water-proof part 5
Outer diameter D 1, meet between internal diameter D2 and the internal diameter D3 of screw mounting hole 11：D1 ＞ D3 ＞ D2.
The screw fastening structure that the present embodiment provides, it is simple in construction, by the first fixture 1 and the second fixture
Elastic water-proof part 5 is installed, elastic water-proof part 5 ensures serving good waterproof buffer action at screw mounting hole 11 between 2
Steam can not enter from screw mounting hole 11；It is less to appearance effects and screw 3 can be assembled and disassembled repeatedly.
Further, the outer diameter D 1 of above-mentioned elastic water-proof part 5 and the internal diameter D4 of nut mounting hole 21 meet：D1≤D4, bullet
Property waterproof case 5 be arranged on nut mounting hole 21 in, the elastic water-proof part 5 is pressed in first fixture 1 by the Nut column 4
On.Elastic water-proof part 5, which is arranged in nut mounting hole 21, is more convenient the installation of silicone gasket 5.
Above-mentioned first fixture 1 is provided with the first counterbore 12 in the outside of nut mounting hole 11, and the boss 41 of Nut column 4 is located at the
In one counterbore 12.
Above-mentioned second fixture 2 is provided with the second counterbore 22 in the outside of screw mounting hole 21, and the head of screw 3 is heavy positioned at second
In hole 22.
The design of first counterbore 12 and the second counterbore 22 makes screw 3 and Nut column 4 be not easy to collide with other objects, whole knot
Structure is more compact, is allowed to suitable for precision instrument or electrical equipment.
Elastic water-proof part 5 described above is silicone gasket.
Screwed hole 42 in above-mentioned Nut column 4 is non through hole.The design of non through hole is more conducive to waterproof.
The boss 41 of above-mentioned Nut column 4 can be square boss or hexagonal boss.It can prevent Nut column 4 from being revolved in assembling process
Turn.
Elastic water-proof part 5 and Nut column 4 when mounted, first can be put into by the screw fastening structure described in the present embodiment
Screw 3 is screwed in again in nut mounting hole 21, when screw 3 gradually screws in, Nut column 4, the fixture of elastic water-proof part 5 and first
Gap between 1 is less and less, and extruding space is finally formed between the fixture 1 of Nut column 4 and first is, serves sealing waterproof
Effect.
Embodiment two：
A kind of mobile terminal that the present embodiment provides, including casing assembly, casing assembly include the first housing, second shell
Body and the screw fastening structure for the first housing and the second housing to be connected, it is characterised in that：The screw threads for fastening
Attachment structure is the screw fastening structure described in embodiment one, wherein, first fixture 1 is located at first housing
In, second fixture 2 is located in second housing.
First housing described above is battery compartment, and second housing is hand set machine shell.
The mobile terminal that the present embodiment provides, is changed by having carried out waterproof to the screw fastening structure of casing assembly
It is good, effectively prevent steam from entering interior of mobile phone, ensure the stabilization working properly of mobile phone.
In description of the present utility model, it is to be understood that term " on ", " under ", " top ", " bottom ", " interior ", " outer " etc.
The orientation or position relationship of instruction are based on orientation shown in the drawings or position relationship, are for only for ease of description the utility model
Described with simplifying, rather than the device or element of instruction or hint meaning there must be specific orientation, with specific orientation structure
Make and operate, therefore it is not intended that limitation to this real utility model.
Above disclosed is only a kind of the utility model preferred embodiment, can not limit this practicality with this certainly
New interest field, one of ordinary skill in the art will appreciate that all or part of flow of above-described embodiment is realized, and according to
The equivalent variations that the utility model claims are made, still fall within the scope that utility model is covered.
Claims (9)
- A kind of 1. screw fastening structure, applied to mobile terminal, including the first fixture, the second fixture, screw and spiral shell Female post, first fixture are provided with the screw mounting hole for being used for installing the screw, and second fixture, which is provided with, to be used In the nut mounting hole for installing the Nut column, the nut column bottom is pressed on the outside of second fixture provided with boss, institute State and be threadedly coupled between screw and the Nut column, first fixture and second fixture pass through the screw and institute The cooperation for stating Nut column is fixedly connected, it is characterised in that is provided with ring between first fixture and second fixture The elastic water-proof part of shape, the elastic water-proof part by the Nut column be pressed in first fixture and second fixture it Between, meet between the outer diameter D 1 of the elastic water-proof part, internal diameter D2 and the screw mounting hole internal diameter D3：D1 ＞ D3 ＞ D2.
- 2. structure according to claim 1, it is characterised in that the outer diameter D 1 of the elastic water-proof part is installed with the nut The internal diameter D4 in hole meets：D1≤D4, the elastic water-proof part are arranged in the nut mounting hole, and the Nut column is by the bullet Property waterproof case is pressed on first fixture.
- 3. structure according to claim 1, it is characterised in that first fixture is set on the outside of the nut mounting hole There is the first counterbore, the boss of the Nut column is located in first counterbore.
- 4. structure according to claim 1, it is characterised in that second fixture is set on the outside of the screw mounting hole There is the second counterbore, the head of the screw is located in second counterbore.
- 5. structure as claimed in any of claims 1 to 4, it is characterised in that the elastic water-proof part is silicagel pad Circle.
- 6. structure according to claim 5, it is characterised in that the screwed hole in the Nut column is non through hole.
- 7. structure according to claim 6, it is characterised in that the boss of the Nut column can be square boss or six Angular boss.
- 8. a kind of mobile terminal, including casing assembly, casing assembly includes the first housing, the second housing and for by first Housing and the screw fastening structure of the second housing connection, it is characterised in that：The screw fastening structure will for right The screw fastening structure described in any one in 1 to 7 is sought, wherein, first fixture is located in first housing, Second fixture is located in second housing.
- 9. mobile terminal according to claim 8, it is characterised in that first housing is battery compartment, the second shell Body is hand set machine shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720474243.8U CN207124654U (en) | 2017-04-28 | 2017-04-28 | A kind of screw fastening structure and its mobile terminal of application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720474243.8U CN207124654U (en) | 2017-04-28 | 2017-04-28 | A kind of screw fastening structure and its mobile terminal of application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207124654U true CN207124654U (en) | 2018-03-20 |
Family
ID=61615191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720474243.8U Active CN207124654U (en) | 2017-04-28 | 2017-04-28 | A kind of screw fastening structure and its mobile terminal of application |
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| Country | Link |
|---|---|
| CN (1) | CN207124654U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112758223A (en) * | 2021-02-03 | 2021-05-07 | 浙江欧凯车业有限公司 | Electric scooter battery packaging device and packaging method |
-
2017
- 2017-04-28 CN CN201720474243.8U patent/CN207124654U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112758223A (en) * | 2021-02-03 | 2021-05-07 | 浙江欧凯车业有限公司 | Electric scooter battery packaging device and packaging method |
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