CN207753841U - A kind of Radiationproof screening apparatus for back-located antenna mobile telephone - Google Patents
A kind of Radiationproof screening apparatus for back-located antenna mobile telephone Download PDFInfo
- Publication number
- CN207753841U CN207753841U CN201820114087.9U CN201820114087U CN207753841U CN 207753841 U CN207753841 U CN 207753841U CN 201820114087 U CN201820114087 U CN 201820114087U CN 207753841 U CN207753841 U CN 207753841U
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- China
- Prior art keywords
- end cover
- circuit board
- mobile telephone
- screening apparatus
- button
- 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.)
- Expired - Fee Related
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- 238000012216 screening Methods 0.000 title claims abstract description 40
- 238000003860 storage Methods 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims description 9
- 235000005121 Sorbus torminalis Nutrition 0.000 claims description 4
- 244000152100 Sorbus torminalis Species 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 241000773945 Trimusculidae Species 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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- Telephone Set Structure (AREA)
Abstract
The utility model is related to a kind of Radiationproof screening apparatus for back-located antenna mobile telephone,It includes shell,First end cover,Second end cover,Circuit board and button,The shell is equipped with the host cavity for housing circuit board and the storage tank for housing button,The first end cover,Second end cover is covered on shell both ends with interference fit type respectively,The first end cover is equipped with elastic arm,Elastic arm one end is connect with first end cover,The elastic arm other end with by key connection,The first end cover,Elastic arm and button are integrally formed,The circuit board is set in host cavity,Circuit board one end is connect with first end cover plug type,The circuit board other end is abutted with second end cover,The Radiationproof screening apparatus for back-located antenna mobile telephone further includes the switch unit for being assembled in circuit board,Button is in direct contact switch unit,The utility model uses the structure of simple assembling formula,By the clearance fit between each component to realize product split,Parts less cost is cheap,The effective production efficiency that reduces that increased production cost.
Description
Technical field
The utility model is related to Radiationproof screening apparatus for back-located antenna mobile telephone technical fields, refer in particular to a kind of Radiationproof screening apparatus for back-located antenna mobile telephone being easily installed.
Background technology
Requirement with the fast development and people of science and technology to quality of life is continuously improved, and smart mobile phone is constantly updated
It regenerates, earphone is also widely used therewith, such as telephone communication, transmission music.Traditional Radiationproof screening apparatus for back-located antenna mobile telephone is equipped with multiple
Button and separately positioned upper and lower casing, in line control machine assembling process, usually button is first assembled into respective housings, then will
Upper and lower casing fits together, or button is directly adhered to key support with glue, or button is installed to plastics
Holder forms combined key-press, then combined key-press is packed into key hole.Wherein, the button being bonded with glue is easy to fall off, can
It is not strong by property, it easily flows to circuit board and causes failure；The parts of separating type key are more, and assembly process is more, and assembly difficulty is big,
Manufacturing cost is relatively high.
Therefore, it is necessory to provide a kind of Radiationproof screening apparatus for back-located antenna mobile telephone being easily installed, to overcome drawbacks described above.
Utility model content
In view of the above-mentioned drawbacks of the prior art, the technical problem to be solved by the utility model is to provide a kind of earphones
Line control machine, not only parts are less facilitates installation, but also of low cost.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution：
A kind of Radiationproof screening apparatus for back-located antenna mobile telephone provided by the utility model, including shell, first end cover, second end cover, circuit board and press
Key, the shell are equipped with the host cavity for housing circuit board and the storage tank for housing button, the first end cover, second
End cap is covered on shell both ends with interference fit type respectively, and the first end cover is equipped with elastic arm, elastic arm one end and first
End cap connects, and the elastic arm other end is with by key connection, and the first end cover, elastic arm and button are integrally formed, the circuit
Plate is set in host cavity, and circuit board one end is connect with first end cover plug type, and the circuit board other end is abutted with second end cover,
The Radiationproof screening apparatus for back-located antenna mobile telephone further includes the switch unit for being assembled in circuit board, and button is in direct contact switch unit.
Further, described storage tank one end is equipped with the opening for being inserted into for button, and storage tank is integrally U-shaped.
Further, one end that one end and second end cover that the first end cover is contacted with shell are contacted with shell is respectively provided with
There are several sealing rings, sealing ring to be used to reinforce the frictional force of first end cover, second end cover and shell.
Further, the button is provided with block, and block is located at the position in storage tank with button is limited.
Further, the first end cover is provided with slot, and the slot is used for grafting circuit board.
Further, the second end cover is provided with convex block, and the convex block is used for support circuit board.
Further, the medial surface at the shell both ends is equipped with inclined-plane, and the inclined-plane is for guiding first end cover, second end
Lid is assembled into the host cavity of shell.
Further, the first end cover, second end cover are respectively equipped with the through-hole being inserted into for outer lead, are equipped in through-hole
Anti-skid chequer.
Further, the block is located at storage tank lower face, and block turns up for preventing button from loosening.
Further, the Radiationproof screening apparatus for back-located antenna mobile telephone further includes the microphone being set on circuit board, and the shell is equipped with radio reception
Hole, sound hole are connected with host cavity, and the microphone aligns with the sound hole.
The beneficial effects of the utility model：
A kind of Radiationproof screening apparatus for back-located antenna mobile telephone provided by the utility model, using the structure of simple assembling formula, by tight between each component
Cooperation is to realize product assembly, and parts that are easy to disassemble and replacing damage, parts less cost is cheap, effectively reduces
Production efficiency that increased production cost.
Description of the drawings
Fig. 1 is a kind of stereogram of Radiationproof screening apparatus for back-located antenna mobile telephone of the utility model.
Fig. 2 is a kind of structural exploded view of Radiationproof screening apparatus for back-located antenna mobile telephone of the utility model.
Fig. 3 is a kind of sectional view of Radiationproof screening apparatus for back-located antenna mobile telephone of the utility model.
Reference numeral includes：
1-shell；11-inclined-planes；12-sound hole；13-storage tanks；14-host cavities；
2-first end covers；21-second end covers；22-elastic arms；23-blocks；24-sealing rings；
25-slots；26-through-holes；27-convex blocks；28-buttons；
3-circuit boards；31-switch units；32-microphones；33-outer leads.
Specific implementation mode
For the ease of the understanding of those skilled in the art, the utility model is made with reference to embodiment and attached drawing further
Explanation, the content that embodiment refers to not is restriction to the utility model.
Shown in please referring to Fig.1 to Fig.3, a kind of Radiationproof screening apparatus for back-located antenna mobile telephone described in the present embodiment, including shell 1, first end cover 2,
Second end cover 21, circuit board 3 and button 28, the shell 1 are equipped with the host cavity 14 for housing circuit board 3 and are pressed for accommodating
The storage tank 13 of key, the first end cover 2, second end cover 21 are snugly covered on 1 both ends of shell respectively, and described first
End cap 2 is equipped with elastic arm 22, and 22 one end of elastic arm is connect with first end cover 2, and 22 other end of elastic arm is connect with button 28, described
First end cover 2, elastic arm 22 and button 28 are integrally formed, and the circuit board 3 is set in host cavity 14,3 one end of circuit board
It is connect with 2 plug type of first end cover, 3 other end of circuit board is abutted with second end cover 21, and the Radiationproof screening apparatus for back-located antenna mobile telephone further includes group
Switch unit 31 loaded on circuit board 3, button 28 are in direct contact switch unit 31.Specifically, circuit board 3 is plugged in first first
End cap 2, circuit board 3 is fixed on the host cavity of shell 1 when being then clamped with 1 both ends of shell by first end cover 2, second end cover 21
In 14, to realize the simple assembling for realizing product between each component by tight fit, it is single that 28 lower end of the button is in direct contact switch
Member 31, after pushing button 28, the elastic device meeting top pressure button 28 of switch unit 31 so that it sets back, while by pressing
Key 28 is followed by the process of circuit passband to realize answering for Radiationproof screening apparatus for back-located antenna mobile telephone to disconnecting circuit after the pressing of switch unit 31, release
Function.
A kind of Radiationproof screening apparatus for back-located antenna mobile telephone described in the present embodiment, 13 one end of the storage tank are equipped with and are opened for what is be inserted into for button 23
Mouthful, storage tank is integrally U-shaped.Specifically, the storage tank 13 can be slided with the elastic arm 22 and button 28 for being connected to first end cover 2
Dynamic connection, the first end cover 2 are embedded in the U-shaped of storage tank 13 from the outside of storage tank 13 to the inside slide-in type of storage tank 13
In slot, facilitate installation.
A kind of Radiationproof screening apparatus for back-located antenna mobile telephone described in the present embodiment, one end and second end cover that the first end cover 2 is contacted with shell 1
21 one end contacted with shell 1 are both provided with several sealing rings 24, and sealing ring 24 is for reinforcing first end cover 2, second end cover 21
With the frictional force of shell 1.Specifically, the interval of sealing ring 24 setting, after first end cover 2, second end cover 21 are closed with the dress of shell 1,
The interval region of adjacent sealing ring 24 and the inner wall of host cavity form an independent chamber, make first end cover 2, second end cover
21 are similar to the adsorption effect of sucker with being generated after the lid conjunction of shell 1, so that first end can be reinforced by not needing the effect of foreign object
Lid 2, second end cover 21 and the stability after the assembly of shell 1.
A kind of Radiationproof screening apparatus for back-located antenna mobile telephone described in the present embodiment, the button 28 are provided with block 23, and block 23 is pressed for limiting
Key 28 is located at the position in storage tank 13.Specifically, the block 23, button 28, elastic arm 22 and first end cover 2 are integrated into
Button 28 need to be inserted into storage tank 13, block 23 is located in host cavity 14, and block 23 abuts by type structure when button 28 assembles
14 madial wall of host cavity, for preventing button 28 from being loosened outside toward shell 1, while button 28 is located at the abutting of one end in host cavity 14
There are push-button unit 31, push-button unit 31 that can prevent 28 indent of button.
A kind of Radiationproof screening apparatus for back-located antenna mobile telephone described in the present embodiment, the first end cover 2 are provided with slot 25, and the slot 25 is used for
Grafting circuit board 3.Specifically, only need one end of circuit board 3 being inserted into slot 25 when assembling line control machine, button 28 with
The switch unit 31 for being assembled in circuit board 3 is aligned, and button 28 is in contact with switch unit 31, at this point, hand-held first end cover 2
Circuit board 3 is easily packed into host cavity, and while being sent into circuit board 3, first end cover 2 is closed by dress, button 28 also can
Slidingtype is encased in storage tank 13, has just been completed at the same time the assembling of button 28, circuit board 3, shell 1 and first end cover 2.
A kind of Radiationproof screening apparatus for back-located antenna mobile telephone described in the present embodiment, the second end cover 21 are provided with convex block 27, and the convex block 27 is used
In support circuit board 3.Specifically, convex block 27 and second end cover 21 are an integral molding structure, when the first end cover 2 of Radiationproof screening apparatus for back-located antenna mobile telephone
Convex block 27 can be inserted into the one end of host cavity far from first end cover 2 and support circuit board 3, while second end cover after being completed
21 dresses close shell 1, complete the assembling of second end cover 21.
The medial surface of a kind of Radiationproof screening apparatus for back-located antenna mobile telephone described in the present embodiment, 1 both ends of the shell is equipped with inclined-plane 11, the inclined-plane
11 for guide first end cover 2, second end cover 21 is assembled into the host cavity of shell 1.Specifically, the inclined-plane 11 bootable first
End cap 2, second end cover 21 are assembled into the host cavity of shell 1 from outside, to reduce the group of first end cover 2, second end cover 21
Difficulty is filled, the assembly precision of first end cover 2, second end cover 21 is improved.
A kind of Radiationproof screening apparatus for back-located antenna mobile telephone described in the present embodiment, the first end cover 2, second end cover 21 are respectively equipped with and are led for outside
The through-hole 26 that line 33 is inserted into, through-hole 26 is interior to be equipped with anti-skid chequer.Specifically, outer lead 33 by directly through the through-hole 26 of end cap into
It in the host cavity for entering shell 1, and is welded with the both ends of circuit board 3, to realize the electric connection of conducting wire and circuit board 3, through-hole
Set anti-skid chequer effectively prevent outer lead 33 to loosen in 26.
A kind of Radiationproof screening apparatus for back-located antenna mobile telephone described in the present embodiment, the block 23 are located at 13 lower face of storage tank, and block 23 is used for
It prevents from button 28 from loosening to turn up, specifically the first end cover 2, elastic arm 22, button 28 and block 23 are an integral molding structure,
After completing the assembly of first end cover 2, block 23 is placed exactly in the host cavity 14 of 13 lower face of storage tank, the setting of block 23
It effectively prevents loosening outward after button 28 assembles.
A kind of Radiationproof screening apparatus for back-located antenna mobile telephone described in the present embodiment, the Radiationproof screening apparatus for back-located antenna mobile telephone further include the wheat being set on circuit board 3
Gram wind 32, the shell 1 are equipped with sound hole 12, and sound hole 12 is connected with host cavity, the microphone 32 and the sound hole
12 are correspondingly arranged.Specifically, the position of the sound hole 12 is set according to the demand of microphone 32.
The above is only the utility model preferred embodiment, is not made in any form to the utility model
Limitation, although the utility model is disclosed as above with preferred embodiment, is not limited to the utility model, any to be familiar with sheet
Technical professional is not departing within the scope of technical solutions of the utility model, is made when using the technology contents of the disclosure above
A little change or the equivalent embodiment for being modified to equivalent variations, as long as being without departing from the content of the technical scheme of the utility model, foundation
The utility model technology refers to belonging to this practicality to any simple modification, equivalent change and modification made by above example
In the range of new technique scheme.
Claims (10)
1. a kind of Radiationproof screening apparatus for back-located antenna mobile telephone, it is characterised in that：It is described including shell, first end cover, second end cover, circuit board and button
Shell is equipped with the host cavity for housing circuit board and the storage tank for housing button, the first end cover, second end cover point
Shell both ends are not covered on interference fit type, the first end cover is equipped with elastic arm, and elastic arm one end connects with first end cover
It connects, with by key connection, the first end cover, elastic arm and button are integrally formed the elastic arm other end, the circuit board setting
In in host cavity, circuit board one end is connect with first end cover plug type, and the circuit board other end is abutted with second end cover, the ear
Machine line control machine further includes the switch unit for being assembled in circuit board, and button is in direct contact switch unit.
2. a kind of Radiationproof screening apparatus for back-located antenna mobile telephone according to claim 1, it is characterised in that：Described storage tank one end is equipped with for for pressing
The opening that key is inserted into, storage tank are integrally U-shaped.
3. a kind of Radiationproof screening apparatus for back-located antenna mobile telephone according to claim 1, it is characterised in that：The first end cover contacted with shell one
One end that end and second end cover are contacted with shell is both provided with several sealing rings, and sealing ring is for reinforcing first end cover, second end
The frictional force of lid and shell.
4. a kind of Radiationproof screening apparatus for back-located antenna mobile telephone according to claim 1, it is characterised in that：The button is provided with block, and block is used
It limits button and is located at the position in storage tank.
5. a kind of Radiationproof screening apparatus for back-located antenna mobile telephone according to claim 1, it is characterised in that：The first end cover is provided with slot, institute
Slot is stated for grafting circuit board.
6. a kind of Radiationproof screening apparatus for back-located antenna mobile telephone according to claim 1, it is characterised in that：The second end cover is provided with convex block, institute
Convex block is stated for support circuit board.
7. a kind of Radiationproof screening apparatus for back-located antenna mobile telephone according to claim 1, it is characterised in that：The medial surface at the shell both ends is equipped with oblique
Face, the inclined-plane is used to guide first end cover, second end cover is assembled into the host cavity of shell.
8. a kind of Radiationproof screening apparatus for back-located antenna mobile telephone according to claim 3, it is characterised in that：The first end cover, second end cover difference
Equipped with the through-hole being inserted into for outer lead, anti-skid chequer is equipped in through-hole.
9. a kind of Radiationproof screening apparatus for back-located antenna mobile telephone according to claim 4, it is characterised in that：The block is located at storage tank lower face,
Block turns up for preventing button from loosening.
10. a kind of Radiationproof screening apparatus for back-located antenna mobile telephone according to claim 1, it is characterised in that：The Radiationproof screening apparatus for back-located antenna mobile telephone further includes setting
In the microphone on circuit board, the shell is equipped with sound hole, and sound hole is connected with host cavity, the microphone and the receipts
Sound hole aligns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820114087.9U CN207753841U (en) | 2018-01-23 | 2018-01-23 | A kind of Radiationproof screening apparatus for back-located antenna mobile telephone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820114087.9U CN207753841U (en) | 2018-01-23 | 2018-01-23 | A kind of Radiationproof screening apparatus for back-located antenna mobile telephone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207753841U true CN207753841U (en) | 2018-08-21 |
Family
ID=63153701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820114087.9U Expired - Fee Related CN207753841U (en) | 2018-01-23 | 2018-01-23 | A kind of Radiationproof screening apparatus for back-located antenna mobile telephone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207753841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111372160A (en) * | 2020-03-27 | 2020-07-03 | 歌尔科技有限公司 | Earphone set |
-
2018
- 2018-01-23 CN CN201820114087.9U patent/CN207753841U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111372160A (en) * | 2020-03-27 | 2020-07-03 | 歌尔科技有限公司 | Earphone set |
| CN111372160B (en) * | 2020-03-27 | 2021-11-23 | 歌尔科技有限公司 | Earphone set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180821 |