CN209748902U - a prevent falling type PCBA board for earphone - Google Patents
a prevent falling type PCBA board for earphone Download PDFInfo
- Publication number
- CN209748902U CN209748902U CN201920033738.6U CN201920033738U CN209748902U CN 209748902 U CN209748902 U CN 209748902U CN 201920033738 U CN201920033738 U CN 201920033738U CN 209748902 U CN209748902 U CN 209748902U
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- China
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- plate body
- pcba
- fixing hole
- protection shell
- pcba board
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Abstract
The utility model discloses a prevent falling type PCBA board for earphone relates to electronic equipment production technical field, be the protection casing of rectangle including the cross section, the inside plate body that is provided with of protection casing, and the front end of protecting the casing is provided with and blocks the piece, the right rear side of protection casing runs through there is the sponge piece, the right rear side of plate body runs through there is the rubber piece, the plate body below is provided with the insulating layer. The utility model relates to a novelty, make to block the piece through rotatory screw and fix the front side at the protection casing, let the plate body fix the inside at the protection casing promptly, the steadiness of this PCBA board has been increased, alleviate the influence that the horizontal collision led to the fact this PCBA board through the sponge piece, play the cushioning effect when landing to the plate body lower surface through the insulating layer, reduced and fallen the influence to this PCBA board, and play the effect of buffering and protection components and parts when landing at the plate body upper surface through the rubber piece, diversified this PCBA board of preventing falling the performance that has increased.
Description
Technical Field
the utility model relates to an electronic equipment production technical field specifically is a prevent falling type PCBA board for earphone.
Background
PCBA board is a printed circuit board, also called printed circuit board, is an important electronic component, is a support body of electronic components, is a provider of electronic component circuit connection, because it is made by adopting electronic printing technology, so called "printed" circuit board, before the printed circuit board appears, the interconnection between electronic components is formed into complete circuit by means of direct connection of electric wires, at present, circuit bread board only exists as effective experimental tool, but printed circuit board has already been used as the dominance in electronic industry, in the beginning of 20 century, people have worked to simplify the making of electronic machine, reduce the wiring between electronic components, reduce the making cost, so as to begin to research and replace the wiring method by printing mode, in the thirty years, engineers continuously propose to add metal conductor as wiring on the insulated substrate, now, a wiring pattern is printed on an insulating substrate, and then a conductor is successfully built for wiring in an electroplating manner.
However, most PCBA board leads to its steadiness relatively poor owing to not set up the protective housing, and most PCBA board does not possess the cushioning effect to dropping, leads to it to prevent that it falls the ability relatively poor. Accordingly, a drop-resistant PCBA board for a headset is provided by those skilled in the art to solve the problems set forth in the background art described above.
Disclosure of Invention
An object of the utility model is to provide a prevent falling type PCBA board for earphone to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
An anti-falling PCBA board for an earphone comprises a protective shell with a rectangular cross section, a board body is arranged in the protective shell, and the front end of the protective shell is provided with a blocking block, the right back side of the protective shell is penetrated with a sponge block, and the front side of the right surface of the protection shell is provided with a second fixing hole, the middle of the right surface of the protection shell is penetrated with a volume increasing key, and the rear side of the interior of the protective shell is provided with a second limit groove, the interior of the second fixing hole is provided with a screw, a volume reducing key is arranged behind the volume increasing key, the upper surface of the plate body is provided with components, and the right rear side of the plate body is penetrated with a rubber block, an insulating layer is arranged below the plate body, an electromagnetic shielding layer is arranged below the insulating layer, the inside rear side that blocks the piece is provided with first spacing groove, and blocks the right-hand member of piece and be provided with first fixed orifices.
As a further aspect of the present invention: the four sponge blocks are sequentially arranged at four corners of the protection shell, and the height of each sponge block is equal to that of the protection shell.
As a further aspect of the present invention: the rubber block is a rubber component, the upper end of the rubber block is located above the plate body, the height of the rubber block is higher than that of the component, and the lower end of the rubber block is fixed to the upper surface of the insulating layer through AB glue.
As a further aspect of the present invention: the insulating layer is a rubber component, the electromagnetic shielding layer is a steel component, the upper surface of the electromagnetic shielding layer and the lower surface of the insulating layer are fixedly bonded through AB glue, and the lower surface of the electromagnetic shielding layer and the lower surface inside the protective shell are connected through welding.
As a further aspect of the present invention: the inside of first fixed orifices and second fixed orifices all is provided with the screw thread, and the diameter of first fixed orifices equals with the diameter of second fixed orifices, first fixed orifices and second fixed orifices are in same horizontal plane.
As a further aspect of the present invention: the rear end, the left end, the right end of the plate body and the whole of the second limiting groove and the whole of the front end of the plate body and the first limiting groove are connected through clamping, and the width and the height of the first limiting groove are equal to those of the second limiting groove.
As a further aspect of the present invention: the lower end of the component is connected with the upper surface of the plate body through reflow soldering, and the upper surface of the plate body and the upper side of the protection shell are located on the same horizontal plane.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an inside the left end that rotatory screw made the screw got into first fixed orifices, make to block the piece and fix the front side at the protection casing, let the plate body fix the inside at the protection casing promptly, the steadiness of this PCBA board has been increased, alleviate the influence that the horizontal collision caused this PCBA board through the sponge piece, increase the protective properties of this PCBA board, play the cushioning effect when landing to the plate body lower surface through the insulating layer, reduced and fallen the influence to this PCBA board, increased it and prevented falling the performance, and play the effect of buffering and protection components and parts when landing through the rubber piece on the plate body upper surface, further increased preventing falling the performance of this PCBA board, the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization has improved the practicality of this PCBA board, lets it be applicable to electronic equipment production technical field more.
Drawings
FIG. 1 is a schematic view of an anti-drop PCBA board for a headset;
FIG. 2 is a schematic view of a stop block in an anti-drop PCBA for a headphone;
FIG. 3 is a schematic diagram of a right side view cross section of an anti-drop PCBA board for a headset;
FIG. 4 is a schematic diagram of a cross-sectional front view of a drop-resistant PCBA board for a headset;
Fig. 5 is a schematic diagram of a structure of an anti-falling PCBA board for a headset.
In the figure: 1. a protective housing; 2. a plate body; 3. a blocking block; 4. a component; 5. a rubber block; 6. a sponge block; 7. a volume up key; 8. a volume down key; 9. a screw; 10. a first limit groove; 11. a first fixing hole; 12. a second limit groove; 13. an insulating layer; 14. an electromagnetic shielding layer; 15. and a second fixing hole.
Detailed Description
referring to fig. 1 to 5, in an embodiment of the present invention, an anti-falling PCBA board for an earphone includes a protection housing 1 having a rectangular cross section, a board body 2 is disposed inside the protection housing 1, a blocking block 3 is disposed at a front end of the protection housing 1, a sponge block 6 is disposed through a right rear side of the protection housing 1, a second fixing hole 15 is disposed at a front side of a right surface of the protection housing 1, a volume increasing key 7 is disposed through a middle of the right surface of the protection housing 1, a second limiting groove 12 is disposed at a rear side of the protection housing 1, a screw 9 is disposed inside the second fixing hole 15, a volume decreasing key 8 is disposed behind the volume increasing key 7, a component 4 is disposed on an upper surface of the board body 2, a rubber block 5 is disposed through a right rear side of the board body 2, an insulating layer 13 is disposed below the insulating layer 13, an electromagnetic shielding layer 14 is disposed below the blocking block 3, a first limiting groove 10 is disposed at a rear side of the blocking block, and the right end of the stopper 3 is provided with a first fixing hole 11.
In order to lighten the influence on the PCBA caused by horizontal collision through the sponge blocks 6 and increase the protective performance of the PCBA, in the embodiment, preferably, the sponge blocks 6 are four, and the four sponge blocks 6 are sequentially arranged at four corners of the protective shell 1, and the height of the sponge blocks 6 is equal to that of the protective shell 1.
In order to make the rubber block 5 play a role in buffering and protecting the component 4 when the upper surface of the board body 2 lands, and increase the anti-falling performance of the PCBA board, in this embodiment, preferably, the rubber block 5 is a rubber member, the upper end of the rubber block 5 is located above the board body 2, the height of the rubber block 5 is higher than that of the component 4, and the lower end of the rubber block 5 is fixed to the upper surface of the insulating layer 13 by an AB glue.
In order to enable the board body 2 to have insulating and electromagnetic shielding effects through the insulating layer 13 and the electromagnetic shielding layer 14, and to enable the insulating layer 13 to have a buffering effect when the lower surface of the board body 2 is grounded, so as to reduce the influence on the board body 2 and increase the anti-falling performance of the PCBA board, in the embodiment, preferably, the insulating layer 13 is a rubber component, the electromagnetic shielding layer 14 is a steel component, the upper surface of the electromagnetic shielding layer 14 and the lower surface of the insulating layer 13 are fixed through the AB glue, and the lower surface of the electromagnetic shielding layer 14 and the inner lower surface of the protection shell 1 are connected through welding.
in order to allow the screw 9 to pass through the first fixing hole 11 and the second fixing hole 15 to fix the stop block 3 on the front side of the protection housing 1, so as to fix the plate body 2 and increase the stability of the PCBA plate, in the embodiment, preferably, the first fixing hole 11 and the second fixing hole 15 are both internally provided with threads, the diameter of the first fixing hole 11 is equal to that of the second fixing hole 15, and the first fixing hole 11 and the second fixing hole 15 are located on the same horizontal plane.
In order to let the first limiting groove 10 and the second limiting groove 12 fix the plate body 2 in the protection casing 1, the plate body 2 is protected and fixed, in this embodiment, preferably, the whole of the rear end, the left end and the right end of the plate body 2 and the second limiting groove 12 and the whole of the front end and the first limiting groove 10 of the plate body 2 are all connected through the clamping, and the width and the height of the first limiting groove 10 are equal to the width and the height of the second limiting groove 12.
In order to facilitate information transmission between the component 4 and the board body 2, and to reduce the size of the PCBA board and increase convenience of the PCBA board, in this embodiment, preferably, the lower end of the component 4 is connected to the upper surface of the board body 2 by reflow soldering, and the upper surface of the board body 2 and the upper side of the protection housing 1 are located on the same horizontal plane.
The utility model discloses a theory of operation is: in the using process, firstly, the left end of the screw 9 is screwed out from the first fixing hole 11 by rotating the screw 9, then the blocking block 3 is taken out from the front side of the protection shell 1, the plate body 2 is put into the protection shell 1 from the front side of the protection shell 1, the rear end, the left end and the right end of the plate body 2 are integrally clamped and connected with the second limiting groove 12, then the blocking block 3 is put into the front side of the protection shell 1, so that the front end of the plate body 2 is integrally clamped and connected with the first limiting groove 10, then the screw 9 is rotated to make the left end of the screw 9 enter the first fixing hole 11, namely, the plate body 2 is fixed in the protection shell 1, the stability of the PCBA is improved, the influence of the PCBA caused by horizontal collision is reduced by the sponge block 6, the protection performance of the PCBA is improved, the insulating layer 13 plays a role in buffering role when the lower surface of the plate body 2 is landed, and the influence of the PCBA caused by falling is reduced, the anti-falling performance of the PCBA board is improved, the rubber block 5 plays a role in buffering and protecting the component 4 when the upper surface of the board body 2 is landed, and the anti-falling performance of the PCBA board is further improved.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A drop-resistant PCBA board for an earphone comprises a protection shell (1) with a rectangular cross section, and is characterized in that a board body (2) is arranged inside the protection shell (1), a blocking block (3) is arranged at the front end of the protection shell (1), a sponge block (6) penetrates through the right rear side of the protection shell (1), a second fixing hole (15) is formed in the front side of the right surface of the protection shell (1), a volume increasing key (7) penetrates through the middle of the right surface of the protection shell (1), a second limiting groove (12) is formed in the rear side of the inside of the protection shell (1), a screw (9) is arranged inside the second fixing hole (15), a volume reducing key (8) is arranged behind the volume increasing key (7), a component (4) is arranged on the upper surface of the board body (2), and a rubber block (5) penetrates through the right rear side of the board body (2), the plate body (2) below is provided with insulating layer (13), the below of insulating layer (13) is provided with electromagnetic shield layer (14), the inside rear side that blocks piece (3) is provided with first spacing groove (10), and blocks the right-hand member of piece (3) and be provided with first fixed orifices (11).
2. The drop-resistant PCBA for the earphone according to claim 1, wherein there are four sponge blocks (6), and four sponge blocks (6) are arranged in turn at four corners of the protection casing (1), and the height of the sponge blocks (6) is equal to that of the protection casing (1).
3. The anti-falling PCBA for the earphone according to claim 1, wherein the rubber block (5) is a rubber component, the upper end of the rubber block (5) is located above the plate body (2), the height of the rubber block (5) is higher than that of the component (4), and the lower end of the rubber block (5) and the upper surface of the insulating layer (13) are fixed through AB glue.
4. The anti-drop PCBA for the earphone according to claim 1, wherein the insulation layer (13) is a rubber component, the electromagnetic shielding layer (14) is a steel component, the upper surface of the electromagnetic shielding layer (14) and the lower surface of the insulation layer (13) are fixed by AB glue, and the lower surface of the electromagnetic shielding layer (14) and the lower surface of the inner part of the protection shell (1) are connected by welding.
5. A drop-resistant PCBA board for earphones according to claim 1, wherein the first fixing hole (11) and the second fixing hole (15) are internally threaded, and the diameter of the first fixing hole (11) and the diameter of the second fixing hole (15) are equal, the first fixing hole (11) and the second fixing hole (15) being in the same horizontal plane.
6. The anti-drop PCBA for the earphone according to claim 1, wherein the whole of the rear end, left end, right end and second limit groove (12) of the plate body (2) and the whole of the front end and first limit groove (10) of the plate body (2) are connected through clamping, and the width and height of the first limit groove (10) are equal to the width and height of the second limit groove (12).
7. The anti-drop PCBA for the earphone according to claim 1, wherein the lower end of the component (4) and the upper surface of the board body (2) are connected through reflow soldering, and the upper surface of the board body (2) and the upper side of the protection shell (1) are at the same level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920033738.6U CN209748902U (en) | 2019-01-09 | 2019-01-09 | a prevent falling type PCBA board for earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920033738.6U CN209748902U (en) | 2019-01-09 | 2019-01-09 | a prevent falling type PCBA board for earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209748902U true CN209748902U (en) | 2019-12-06 |
Family
ID=68705234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920033738.6U Expired - Fee Related CN209748902U (en) | 2019-01-09 | 2019-01-09 | a prevent falling type PCBA board for earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209748902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114375094A (en) * | 2021-12-30 | 2022-04-19 | 雅刚电子(惠州)有限公司 | Bluetooth emitter |
-
2019
- 2019-01-09 CN CN201920033738.6U patent/CN209748902U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114375094A (en) * | 2021-12-30 | 2022-04-19 | 雅刚电子(惠州)有限公司 | Bluetooth emitter |
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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 |
Granted publication date: 20191206 Termination date: 20210109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |