CN202940932U - Miniature sound box with telescopic resonance cavity - Google Patents
Miniature sound box with telescopic resonance cavity Download PDFInfo
- Publication number
- CN202940932U CN202940932U CN 201220404885 CN201220404885U CN202940932U CN 202940932 U CN202940932 U CN 202940932U CN 201220404885 CN201220404885 CN 201220404885 CN 201220404885 U CN201220404885 U CN 201220404885U CN 202940932 U CN202940932 U CN 202940932U
- Authority
- CN
- China
- Prior art keywords
- audio amplifier
- lower casing
- amplifier lower
- loudspeaker box
- miniature loudspeaker
- 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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Abstract
The utility model discloses a miniature sound box with a telescopic resonance cavity, which comprises a speaker, a sound box upper shell, a sound box middle shell, a sound box lower shell, an audio cable, an audio plug, a circuit board and the telescopic resonance cavity, wherein the sound box lower shell is internally provided with positioning ribs, the circuit board is provided with positioning holes, and the positioning ribs and the positioning holes are fixed. According to the utility model, as the sound box lower shell is internally provided with the positioning ribs, the circuit board is provided with the positioning holes, and the positioning ribs and the positioning holes are connected and fixed, so that the circuit board can be fixed in the sound box lower shell and enabled not to wobble easily to damage devices.
Description
Technical field
The utility model relates to the miniature loudspeaker box field, in particular, relates to a kind of miniature loudspeaker box of flexible resonator.
Background technology
I have applied for a kind of miniature loudspeaker box with flexible resonator, number of patent application is 201220390944.0, this miniature loudspeaker box comprises loudspeaker, audio amplifier upper casing, audio amplifier mesochite, audio amplifier lower casing, tone frequency channel wire, audio jack, circuit board and flexible resonator, audio amplifier upper casing and audio amplifier mesochite connect and fix by the buckle snap ring of inside, audio amplifier mesochite and audio amplifier lower casing are screwed, tone frequency channel wire is connected with audio jack, circuit board, and flexible resonator is positioned at voice box casing.Wherein circuit board is positioned at the audio amplifier lower casing, is difficult for fixing, and easily rocks.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of circuit board and fixes reliable miniature loudspeaker box in the audio amplifier lower casing.
The purpose of this utility model is achieved through the following technical solutions:
A kind of miniature loudspeaker box with flexible resonator, comprise loudspeaker, audio amplifier upper casing, audio amplifier mesochite, audio amplifier lower casing, tone frequency channel wire, audio jack, circuit board and flexible resonator, circuit board is positioned at the audio amplifier lower casing, be provided with the location bone in described audio amplifier lower casing, described circuit board is provided with location hole, and described location bone and location hole are fixed.
Preferably, the cross section of described location bone is square.Square being convenient in cross section fixed, and easily makes.
Preferably, described location bone is at least three.Three or make more than three fixing more firm.
Preferably, described audio amplifier lower casing limit is provided with interior grooves.Prevent the surface shrink, avoid the distortion of audio amplifier lower casing.
Preferably, be provided with a screw hole post in described audio amplifier lower casing, described screw hole post is higher than audio amplifier lower casing edge.The screw hole post is used for connecting with the audio amplifier mesochite by screw, and the screw hole post further is connected connection higher than audio amplifier lower casing edge and is played booster action with the audio amplifier lower casing to the audio amplifier mesochite.
Preferably, described audio amplifier lower casing limit is provided with outer grooves, and described audio amplifier mesochite limit is provided with outer projection, and described outer grooves is connected with outer projection.Make the audio amplifier mesochite with the fixing more firm of audio amplifier lower casing and seal better.
Preferably, described audio amplifier lower casing is provided with the switch control hole.Be used for placing switch.
Preferably, described audio amplifier lower casing outward flange is provided with switch and controls indication ON and OFF and the indication of control volume.Facilitate like this use, very clear.
Preferably, described audio amplifier lower casing is provided with the USB interface hole.Can realize the input of charging or audio frequency.
Preferably, described audio amplifier lower casing is provided with standing groove, and the corresponding standing groove of described audio amplifier lower casing position is recessed from outside to inside, and there is corresponding projection described audio amplifier lower casing inside.Standing groove is used for placing audio jack and tone frequency channel wire.
The utility model is owing to being provided with the location bone in the audio amplifier lower casing, circuit board is provided with location hole, and location bone and location hole are connected and fixed, thereby, can be fixed on circuit board in the audio amplifier lower casing, make circuit board be difficult for rocking and damage device.
Description of drawings
Fig. 1 is the schematic diagram of the audio amplifier lower casing of the utility model embodiment.
Fig. 2 is the schematic diagram of the audio amplifier lower casing of the utility model embodiment.
Wherein: 1, audio amplifier lower casing; 2, standing groove; 3, location bone; 4, interior grooves; 5, screw hole post; 6, outer grooves; 8, USB interface hole; 9, standing groove projection.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and preferred embodiment.
Miniature loudspeaker box with flexible resonator of the present utility model, comprise loudspeaker, audio amplifier upper casing, audio amplifier mesochite, audio amplifier lower casing, tone frequency channel wire, audio jack, circuit board and flexible resonator, circuit board is positioned at the audio amplifier lower casing, as shown in Figure 1, be provided with location bone 3 in described audio amplifier lower casing 1, described circuit board is provided with location hole, and described location bone 3 and location hole are fixed, circuit board is fixed in audio amplifier lower casing 1 (circuit board is not shown), is difficult for rocking.
As shown in Figure 1, audio amplifier lower casing 1 is provided with standing groove 2, and the corresponding standing groove of audio amplifier lower casing 12 positions are recessed from outside to inside, and there is corresponding standing groove projection 9 described audio amplifier lower casing inside.Standing groove be used for to be placed audio jack and tone frequency channel wire, thereby has reduced audio jack and tone frequency channel wire is impaired.Be provided with a plurality of location bone 3 in audio amplifier lower casing 1, be used for the accurately fixing of circuit board position; General location bone 3 is made as four, and four location bones 3 make fixed effect better; The cross section of location bone 3 is made as square, square convenient make and easily fixing, certainly, also can of other shapes.Audio amplifier lower casing 1 inboard, limit is provided with interior grooves 4, and interior grooves 4 plays and prevents the surface shrink, avoids the effect of audio amplifier lower casing distortion, and, can save material.Audio amplifier lower casing 1 outside, limit is provided with outer grooves 6, and the outside, audio amplifier mesochite limit is provided with corresponding outer projection, and outer grooves 6 is connected with outer projection, thereby makes the audio amplifier mesochite with the fixing more firm of audio amplifier lower casing 1 and seal better; Certainly establishing outer projection in the outside, audio amplifier lower casing limit, outer grooves is established in the outside, audio amplifier mesochite limit, and outer projection is connected with outer grooves and also is fine.Be provided with a plurality of screw hole posts 5 in audio amplifier lower casing 1, screw hole post 5 is used for connecting with the audio amplifier mesochite by screw; In addition, screw hole post 5 is higher than audio amplifier lower casing 1 edge, and further to audio amplifier mesochite and the end, booster action is played in 1 connection; Screw hole post 5 is at least three, generally is made as four, and four screw hole posts 5 have been strengthened fixing, and make it be difficult for rocking.
As shown in Figure 1 and Figure 2, audio amplifier lower casing 1 is provided with a plurality of openings, and opening comprises switch control hole (not shown) and USB interface hole 8.Charging or audio frequency input can be realized in USB interface hole 8.The switch control hole is placed switch, is convenient to control switch; The bottom of switch control hole is provided with switch and controls indication ON and OFF and control the volume indication, facilitates like this use, and is high-visible, very clear, reduces the situation that miniature loudspeaker box is still being opened when not using miniature loudspeaker box.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (10)
1. miniature loudspeaker box with flexible resonator, comprise loudspeaker, audio amplifier upper casing, audio amplifier mesochite, audio amplifier lower casing, tone frequency channel wire, audio jack, circuit board and flexible resonator, circuit board is positioned at the audio amplifier lower casing, it is characterized in that, be provided with the location bone in described audio amplifier lower casing, described circuit board is provided with location hole, and described location bone and location hole are fixed.
2. a kind of miniature loudspeaker box with flexible resonator as claimed in claim 1, is characterized in that, the cross section of described location bone is square.
3. a kind of miniature loudspeaker box with flexible resonator as claimed in claim 1, is characterized in that, described location bone is at least three.
4. a kind of miniature loudspeaker box with flexible resonator as claimed in claim 1, is characterized in that, described audio amplifier lower casing limit is provided with interior grooves.
5. a kind of miniature loudspeaker box with flexible resonator as claimed in claim 1, is characterized in that, be provided with a screw hole post in described audio amplifier lower casing, described screw hole post is higher than audio amplifier lower casing edge.
6. a kind of miniature loudspeaker box with flexible resonator as claimed in claim 1, is characterized in that, described audio amplifier lower casing limit is provided with outer grooves, and described audio amplifier mesochite limit is provided with outer projection, and described outer grooves is connected with outer projection.
7. a kind of miniature loudspeaker box with flexible resonator as claimed in claim 1, is characterized in that, described audio amplifier lower casing is provided with the switch control hole.
8. a kind of miniature loudspeaker box with flexible resonator as claimed in claim 7, is characterized in that, described audio amplifier lower casing outward flange is provided with switch and controls indication ON and OFF and control the volume indication.
9. a kind of miniature loudspeaker box with flexible resonator as claimed in claim 1, is characterized in that, described audio amplifier lower casing is provided with the USB interface hole.
10. a kind of miniature loudspeaker box with flexible resonator as claimed in claim 1, is characterized in that, described audio amplifier lower casing is provided with standing groove, and the corresponding standing groove of described audio amplifier lower casing position is recessed from outside to inside, and there is corresponding projection described audio amplifier lower casing inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220404885 CN202940932U (en) | 2012-08-15 | 2012-08-15 | Miniature sound box with telescopic resonance cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220404885 CN202940932U (en) | 2012-08-15 | 2012-08-15 | Miniature sound box with telescopic resonance cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202940932U true CN202940932U (en) | 2013-05-15 |
Family
ID=48325154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220404885 Expired - Fee Related CN202940932U (en) | 2012-08-15 | 2012-08-15 | Miniature sound box with telescopic resonance cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202940932U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103596082A (en) * | 2012-08-15 | 2014-02-19 | 刘骏涛 | Miniature sound box provided with telescopic resonance cavity |
-
2012
- 2012-08-15 CN CN 201220404885 patent/CN202940932U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103596082A (en) * | 2012-08-15 | 2014-02-19 | 刘骏涛 | Miniature sound box provided with telescopic resonance cavity |
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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: 20130515 Termination date: 20150815 |
|
| EXPY | Termination of patent right or utility model |