CN205283811U - Dull and stereotyped piezoceramics speaker of low temperature - Google Patents
Dull and stereotyped piezoceramics speaker of low temperature Download PDFInfo
- Publication number
- CN205283811U CN205283811U CN201521097089.4U CN201521097089U CN205283811U CN 205283811 U CN205283811 U CN 205283811U CN 201521097089 U CN201521097089 U CN 201521097089U CN 205283811 U CN205283811 U CN 205283811U
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- China
- Prior art keywords
- groove
- draw
- piezoelectric ceramic
- pad
- circuit board
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- Expired - Fee Related
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- Piezo-Electric Transducers For Audible Bands (AREA)
Abstract
The utility model discloses a dull and stereotyped piezoceramics speaker of low temperature, including last casing and lower casing, casing fixed mounting cooperation in going up the casing and passing through one between the casing down, the opposite face of going up casing and lower casing respectively sets up a T type draw -in groove, the upper and lower terminal surface of well casing just all sets up a T type fixture block to T type draw -in groove position, the medial extremity of well casing sets up two splint, forms a fixed slot between two splint, and circuit board both ends clamp in fixed slot, and the outside end that lies in two splint is locked through a mounting, the upper end of circuit board is provided with a metallic film, vibrating diaphragm and a piezoceramics piece. The utility model discloses a circuit board, metallic film, vibrating diaphragm and piezoceramics piece all through a mounting fixed mounting in last in, the inferior valve is internal, it is more convenient that the installation is dismantled, maintains laborsavingly, and structural design is reasonable, the work efficiency greatly increased during equipment, great reduction the inner structure of whole product, the cost is lower.
Description
Technical field
This utility model relates to a kind of low temperature flat board piezoelectric ceramic loudspeaker.
Background technology
Along with the development of electronic technology, electronic communication equipment develops to directions such as frivolous, high tone qualities gradually. Therefore, how under the premise ensureing production reliability, to realize electronic communication equipment thin design, there is again the problem that high tone quality performance has just become industry to compare concern.
Existing product, when assembling, owing to the structure devices used is more, generally requiring the consumption substantial amounts of time goes assembling, and therefore work efficiency is relatively low, and owing to using too much structure devices, and therefore overall volume is big, and cost increases.
Summary of the invention
It is reasonable in design that technical problem to be solved in the utility model is to provide a kind of structure, and during assembling, work efficiency is greatly increased, and greatly reducing the internal structure of whole product, low temperature flat board piezoelectric ceramic loudspeaker lower in cost.
This utility model is achieved through the following technical solutions: a kind of low temperature flat board piezoelectric ceramic loudspeaker, including upper shell and lower house, described upper shell is coordinated by a middle shell fixed installation with between lower house, the opposite face of described upper shell and lower house respectively arranges a T-shaped draw-in groove, T-shaped draw-in groove position is just respectively provided with a T-shaped fixture block by the upper and lower end face of described middle shell, middle shell is installed in T-shaped draw-in groove by the T-shaped fixture block of upper and lower side and realizes, in, cooperation between lower house is installed, the medial extremity of described middle shell arranges two clamping plate, a fixed card slot is formed between two clamping plate, circuit board two ends are installed in fixed card slot, it is positioned at the outboard end of two clamping plate by a fixture locking, the upper end of described circuit board is provided with a metallic film, vibrating diaphragm and a piezoelectric ceramic piece, described metallic film, vibrating diaphragm is locked by fixture, piezoelectric ceramic piece lower surface sticks in the upper surface of vibrating diaphragm.
As preferred technical scheme, described fixture offers one first installation draw-in groove and second draw-in groove is installed, described metallic film and vibrating diaphragm are installed in the first installation draw-in groove, described first installation draw-in groove and second is installed and is provided with a crossed beam trunking between draw-in groove, and two clamping plate of described middle shell medial extremity are installed in the second installation draw-in groove.
As preferred technical scheme, described circuit board is provided with the first pad, the second pad, the 3rd pad and the 4th pad, piezoelectric ceramic piece is connected with first pad the second pad on circuit board by connecting line, and the 3rd pad and the 4th pad on circuit board are connected with external circuit.
As preferred technical scheme, piezoelectric ceramic piece is just provided with sender by described upper shell.
As preferred technical scheme, described fixture adopts flexible metallic material to make, and the first medial surface installing draw-in groove and the second installation draw-in groove is provided with insulating barrier.
The beneficial effects of the utility model are: circuit board of the present utility model, metallic film, vibrating diaphragm and piezoelectric ceramic piece are fixedly installed in the housing of upper, middle and lower each through a fixture, installing/dismounting is convenient, keep in repair laborsaving, and reasonable in design, during assembling, work efficiency is greatly increased, greatly reducing the internal structure of whole product, lower in cost.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of fixture of the present utility model.
Detailed description of the invention
All features disclosed in this specification, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
This specification (include any accessory claim, summary and accompanying drawing) disclosed in any feature, unless specifically stated otherwise, all can by other equivalences or there is the alternative features of similar purpose replaced. That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
As shown in Figure 1, a kind of low temperature flat board piezoelectric ceramic loudspeaker of the present utility model, including upper shell 2 and lower house 3, described upper shell 2 is coordinated by middle shell 4 fixed installation with between lower house 3, the opposite face of described upper shell 2 and lower house 3 respectively arranges a T-shaped draw-in groove, T-shaped draw-in groove position is just being respectively provided with a T-shaped fixture block 1 by the upper and lower end face of described middle shell, middle shell 4 is installed in T-shaped draw-in groove by the T-shaped fixture block 1 of upper and lower side and realizes, in, cooperation between lower house is installed, the medial extremity of described middle shell 4 arranges two clamping plate 14, a fixed card slot is formed between two clamping plate 14, circuit board 12 two ends are installed in fixed card slot, the outboard end being positioned at two clamping plate 14 is locked by a fixture 11, the upper end of described circuit board 12 is provided with a metallic film 9, vibrating diaphragm 10 and a piezoelectric ceramic piece 8, described metallic film, vibrating diaphragm is locked by fixture 11, piezoelectric ceramic piece 8 lower surface sticks in the upper surface of vibrating diaphragm 10.
As shown in Figure 2, fixture 11 offers one first installation draw-in groove 15 and second draw-in groove 17 is installed, described metallic film and vibrating diaphragm are installed in the first installation draw-in groove 15, being provided with a crossed beam trunking 16 between described first installation draw-in groove 15 and the second installation draw-in groove 17, two clamping plate 14 of described middle shell medial extremity are installed in the second installation draw-in groove.
Wherein, circuit board is provided with the first pad, the second pad, the 3rd pad and the 4th pad, piezoelectric ceramic piece is connected with the first pad on circuit board, the second pad by connecting line 5, the 3rd pad and the 4th pad on circuit board 12 are connected with external circuit, and connecting line 5 is connected through crossed beam trunking 16 with piezoelectric ceramic piece.
Wherein, piezoelectric ceramic piece is just being provided with by upper shell sender 6.
Fixture adopts flexible metallic material to make, first medial surface installing draw-in groove and the second installation draw-in groove is provided with insulating barrier, owing to adopting resilient flexible metal, therefore regardless of the thickness of circuit board has how many, compress such as through this fixture, and metallic film, vibrating diaphragm are fixed and clamped also by this flexible attachment, several important composition parts all can complete to install by this fixture, eliminate a lot of connectors, save cost, increase efficiency of assembling.
The beneficial effects of the utility model are: circuit board of the present utility model, metallic film, vibrating diaphragm and piezoelectric ceramic piece are fixedly installed in the housing of upper, middle and lower each through a fixture, installing/dismounting is convenient, keep in repair laborsaving, and reasonable in design, during assembling, work efficiency is greatly increased, greatly reducing the internal structure of whole product, lower in cost.
The above, be only detailed description of the invention of the present utility model, but protection domain of the present utility model be not limited thereto, any change expected without creative work or replacement, all should be encompassed within protection domain of the present utility model. Therefore, protection domain of the present utility model should be as the criterion with claims protection defined.
Claims (5)
1. a low temperature flat board piezoelectric ceramic loudspeaker, it is characterized in that: include upper shell and lower house, described upper shell is coordinated by a middle shell fixed installation with between lower house, the opposite face of described upper shell and lower house respectively arranges a T-shaped draw-in groove, T-shaped draw-in groove position is just respectively provided with a T-shaped fixture block by the upper and lower end face of described middle shell, middle shell is installed in T-shaped draw-in groove by the T-shaped fixture block of upper and lower side and realizes, in, cooperation between lower house is installed, the medial extremity of described middle shell arranges two clamping plate, a fixed card slot is formed between two clamping plate, circuit board two ends are installed in fixed card slot, it is positioned at the outboard end of two clamping plate by a fixture locking, the upper end of described circuit board is provided with a metallic film, vibrating diaphragm and a piezoelectric ceramic piece, described metallic film, vibrating diaphragm is locked by fixture, piezoelectric ceramic piece lower surface sticks in the upper surface of vibrating diaphragm.
2. low temperature flat board piezoelectric ceramic loudspeaker according to claim 1, it is characterized in that: described fixture offers one first installation draw-in groove and second draw-in groove is installed, described metallic film and vibrating diaphragm are installed in the first installation draw-in groove, described first installation draw-in groove and second is installed and is provided with a crossed beam trunking between draw-in groove, and two clamping plate of described middle shell medial extremity are installed in the second installation draw-in groove.
3. low temperature flat board piezoelectric ceramic loudspeaker according to claim 1, it is characterized in that: described circuit board is provided with the first pad, the second pad, the 3rd pad and the 4th pad, piezoelectric ceramic piece is connected with first pad the second pad on circuit board by connecting line, and the 3rd pad and the 4th pad on circuit board are connected with external circuit.
4. low temperature flat board piezoelectric ceramic loudspeaker according to claim 1, it is characterised in that: piezoelectric ceramic piece is just provided with sender by described upper shell.
5. low temperature flat board piezoelectric ceramic loudspeaker according to claim 2, it is characterised in that: described fixture adopts flexible metallic material to make, and the first medial surface installing draw-in groove and the second installation draw-in groove is provided with insulating barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521097089.4U CN205283811U (en) | 2015-12-26 | 2015-12-26 | Dull and stereotyped piezoceramics speaker of low temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521097089.4U CN205283811U (en) | 2015-12-26 | 2015-12-26 | Dull and stereotyped piezoceramics speaker of low temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205283811U true CN205283811U (en) | 2016-06-01 |
Family
ID=56068333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521097089.4U Expired - Fee Related CN205283811U (en) | 2015-12-26 | 2015-12-26 | Dull and stereotyped piezoceramics speaker of low temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205283811U (en) |
-
2015
- 2015-12-26 CN CN201521097089.4U patent/CN205283811U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20171226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |