CN203301686U - Sound box of rotary tuning structure - Google Patents
Sound box of rotary tuning structure Download PDFInfo
- Publication number
- CN203301686U CN203301686U CN2013203284504U CN201320328450U CN203301686U CN 203301686 U CN203301686 U CN 203301686U CN 2013203284504 U CN2013203284504 U CN 2013203284504U CN 201320328450 U CN201320328450 U CN 201320328450U CN 203301686 U CN203301686 U CN 203301686U
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- central axis
- pedestal
- rotating disk
- joint pin
- casing
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Abstract
The utility model relates to a sound box of a rotary tuning structure. The sound box comprises a cylindrical box body which is axially divided into two segments, one segment includes a pedestal accommodating a control unit, and the segment includes a sound amplify box. The pedestal is equipped with a rotary potentiometer which is electrically connected with the control unit, the central axis of a rotating shaft of the rotary potentiometer is overlapped with the central axis of the pedestal, and the rotating shaft is equipped with coupling insert key; and an end surface of the sound amplifying box in correspondence with the pedestal is equipped with at least two connecting columns, one end of each connecting column is connected to the sound amplifying box, and the other end of the connecting column is fixedly connected with the pedestal; a rotary disk is arranged between the sound amplifying box and the pedestal, a coupling hole is opened in the central position of the rotary disk, and the coupling hole is clamped with the coupling insert key; and an arched transition hole is opened in the rotary disk, and the at least two connecting columns are both penetrate into the transition hole and can move circumferentially relative to the central axis of the rotary disk.
Description
Technical field
The utility model relates to the loud speaker field, refers to especially a kind of audio amplifier that is provided with rotation tuning structure.
Background technology
Along with multimedia technology is constantly progressive, multimedia electronic equipment also becomes the standing articles for use in people's life gradually, and as various videos, audio player etc., and the audio amplifier of the use that is complementary with it also gets their way into people's lives thereupon.In order to meet the regulation and control demand of user to volume, so mostly be provided with sound volume control device on audio amplifier.the capstan that traditional sound volume control device generally comprises the rotational potentiometer on the control circuit board that is connected electrically in audio amplifier and is used for operating described rotational potentiometer rotation, rotational potentiometer is generally slide resistor, what it changed is signal voltage, signal voltage is higher, volume is just larger, otherwise diminish, described capstan transmission torque is to described rotational potentiometer, described capstan is arranged in the housing of audio amplifier, and the operating axis face portion of capstan protrudes from described housing, be provided with groove on the axial plane of rotating disk, the user can push away the axial plane of drawing described capstan with finger, described capstan is rotated, and then drive described rotational potentiometer and rotate.
Volume adjustment device on this audio amplifier as above is modal structure, it can utilize simple structure devices to realize regulating the audio amplifier volume, yet protruding towering being arranged on voice box casing of capstan, impact on audio amplifier overall appearance and aesthetic feeling is all very large, and turn-knob need to push away the axial plane of drawing capstan, when capstan rotates, the axial plane of capstan can roll and enter voice box casing inside, therefore there are water or dirt can enter the inside of voice box casing on user's finger thereupon, and then can pollute the electronic devices and components of voice box casing inside.
The utility model content
The purpose of this utility model is to provide a kind of audio amplifier that rotates the tuning structure, its technical problem underlying to be solved is: traditional audio amplifier tuning structure comprises that mainly one is arranged in voice box casing and a part protrudes from that the capstan of outside operates, can destroy the overall appearance of voice box casing, and the axial plane of described capstan can pass in and out in voice box casing when capstan rotates, therefore can carry pollutant secretly or moisture enters voice box casing, bring pollution for the electronic devices and components in audio amplifier.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
The utility model provides a kind of audio amplifier that rotates the tuning structure, and it comprises
Columniform casing, described columniform casing axially is divided into two sections, and one section for being equipped with the pedestal of control unit, and another section is for being equipped with the micropkonic case that amplifies,
Be provided with the rotational potentiometer that electrically connects with described control unit in described pedestal, the central axis of the rotating shaft of described rotational potentiometer and the central axis of described pedestal are overlapping, and are provided with the slotting key of shaft coupling on described rotating shaft,
Be provided with at least two joint pins on the end face corresponding with described pedestal on the described case that amplifies, described joint pin another section corresponding with the end on being connected to the described case that amplifies be fixedly connected on described pedestal with the corresponding end face of the described case that amplifies on,
rotating disk, described rotating disk is arranged on described amplifying between case and described pedestal, the central axis of described rotating disk and the central axis of described pedestal are overlapping, described rotating disk can rotate around rotating its central axis relative to described case and the described pedestal of amplifying, the center of described rotating disk offers coupling hole, described coupling hole is connected to described connecting shaft and inserts on key, offer concentric with described rotating disk on described rotating disk and with the transitional pore of the circular arc of described at least two corresponding couplings of joint pin, described at least two joint pins all are located in described transitional pore, described at least two joint pins can relatively described rotating disk central axis circumferential movement in described transitional pore.
Be preferable over: the angle of described at least two joint pins circumferential movement in described transitional pore is less than the maximum anglec of rotation of the rotating shaft of described rotational potentiometer.
be preferable over: described joint pin is three, wherein the distance of the central axis of the described casing of axis deviation of two described joint pins equates, the distance of the central axis of the described casing of axis deviation of another described joint pin is less than two other described joint pin, and depart from the diameter of the range difference of described casing central shaft greater than described joint pin between the described joint pin apart from less of the equidistant joint pin of two described casing central axis of axis deviation and the described central axis of another axis deviation, have two unequal transitional pores of arc diameter on described rotating disk, the corresponding coupling of equidistant joint pin of the larger transitional pore of arc diameter and two described casing central axis of axis deviation, the corresponding coupling of described joint pin apart from less of the less transitional pore of arc diameter and the described central axis of another axis deviation.
Be preferable over: also wrapped outward flange on described rotating disk and be provided with the ring-type side plate, described ring-type side plate is centered around on the joint gap of described amplify case and described pedestal.
Compared with prior art, the beneficial effects of the utility model are: the utility model in the specific implementation, the described case that amplifies, pedestal and rotating disk form three sections on a cylinder, therefore can not produce lofty structure on columniform casing, have strengthened the overall appearance degree of product; While operating described rotating disk in addition, in the rotating disk rotary course, its axial plane is all the time in columniform outermost, so user's water and dirt on hand can't enter box house.
Description of drawings
Fig. 1 is a kind of stereo decomposing structural representation of the present utility model.
Fig. 2 is the stereo decomposing structural representation at another visual angle of the present utility model.
Fig. 3 is that joint pin of the present utility model arranges structural representation.
Fig. 4 be on rotating disk of the present utility model transitional pore structural representation is set.
Fig. 5 is the compound mode schematic diagram of rotating disk of the present utility model and joint pin.
Embodiment
Below with reference to accompanying drawing 1 to 5 and preferred embodiment, a kind of audio amplifier that rotates the tuning structure that the utility model proposes is done more to describe in detail.
The utility model provides a kind of audio amplifier that rotates the tuning structure, as shown in Figure 1, 2, it comprises a columniform casing 100, and wherein said columniform casing 100 axially is divided into two sections, one section is the pedestal 10 that is equipped with control unit, and another section is for being equipped with the micropkonic case 20 that amplifies;
Be provided with the rotational potentiometer 11 that electrically connects with described control unit in described pedestal 10, the central axis of the rotating shaft 12 of described rotational potentiometer 11 and the central axis of described pedestal 10 are overlapping, and are provided with the slotting key 121 of shaft coupling on described rotating shaft 12,
Be provided with at least two joint pins 21 on the end face corresponding with described pedestal 10 on the described case 20 that amplifies, described joint pin 21 another section corresponding with the end on being connected to the described case 20 that amplifies be fixedly connected on described pedestal 10 with the corresponding end face of the described case 20 that amplifies on;
described amplifying between case 20 and described pedestal 10 is provided with a rotating disk 30, the central axis of the central axis of described rotating disk 30 and described pedestal 10 is overlapping, described rotating disk 30 can rotate around rotating its central axis relative to described case 20 and the described pedestal 10 of amplifying, the center of described rotating disk 30 offers coupling hole 31, described coupling hole 31 is connected to described connecting shaft and inserts on key 121, offer concentric with described rotating disk 30 on described rotating disk 30 and with the circular arc transitional pore 32 of described at least two joint pins 21 corresponding couplings, described at least two joint pins 21 all are located in described transitional pore 32, described at least two joint pins 21 can relatively described rotating disk 30 central axis circumferential movement in described transitional pore 32.
the utility model in the specific implementation, as shown in Figure 1, can the described case 20 that amplifies be fixedly connected with described pedestal 10 by described joint pin 21, and at the described described rotating disk 30 of sandwiched between case 20 and pedestal 10 that amplifies, utilize described rotating disk 30 to drive described rotational potentiometer 11, the described joint pin 21 that amplifies between case 20 and pedestal 10 is located in transitional pore 32 on described rotating disk 30, and described at least two joint pins 21 can relatively described rotating disk 30 central axis circumferential movement in described transitional pore 32, and then can guarantee that described rotating disk 30 can be relative to rotating freely in the relation that is connected and fixed that does not affect between described amplify case 20 and pedestal 10.
Preferred embodiment: the angle of described at least two joint pins 21 circumferential movement in described transitional pore 32 is less than the maximum anglec of rotation of the rotating shaft 12 of described rotational potentiometer 11, movement angle by described transitional pore 32 described at least two joint pins 21 of restriction, can limit described rotating disk 30 scope in relative rotation, and then can prevent that the rotating scope of rotating disk 30 is excessive and cause the rotating shaft 12 on described rotational potentiometer 11 to be twisted off.
preferred embodiment: as Fig. 3,4, shown in 5, described joint pin 21 is three, wherein the distance of the central axis of the described casing 100 of the axis deviation of two described joint pin 21a equates, the distance of the central axis of the described casing 100 of the axis deviation of another described joint pin 21b is less than two other described joint pin 21a, and depart from the diameter of the range difference of described casing 100 central shafts greater than described joint pin 21 between the described joint pin 21b apart from less of the equidistant joint pin 21a of two described casing 100 central axis of axis deviation and the described central axis of another axis deviation, have two unequal transitional pores 32 of arc diameter on described rotating disk 30, the corresponding coupling of equidistant joint pin 21a of the larger transitional pore 32a of arc diameter and two described casing 100 central axis of axis deviation, the corresponding coupling of described joint pin 21b apart from less of the less transitional pore 32b of arc diameter and the described central axis of another axis deviation, the present embodiment is determined the described connective stability that amplifies between case 21 and pedestal 10 by three described joint pins 21, utilize two transitional pores 32 on described rotating disk 30 to be complementary with described three joint pins 21, utilize the arc length of described transitional pore 32 to limit the angle that described rotating disk 30 can relatively described joint pin 21 rotations, the distributing position that is unlikely to simultaneously to have limited to because passing three described joint pins 21 30 revolvable angles of described rotating disk and three described joint pins 21 is too drawn close.
Preferred embodiment: the outward flange of described rotating disk 30 is provided with ring-type side plate 33, described ring-type side plate 33 is centered around on the joint gap of described amplify case 20 and described pedestal 10, and then can prevent that outside pollution object from directly entering casing 100 inside by the described gap that amplifies between case 20 and described pedestal 10.
Comprehensive the above, the technical solution of the utility model can fully effectively be completed above-mentioned utility model purpose, and structural principle of the present utility model and the principle of work and power are all verified in an embodiment fully, and can reach effect and the purpose of expection, and embodiment of the present utility model also can carry out conversion according to these principles, therefore, the utility model comprise that all mention in scope in claim all replace contents.Any equivalence of doing in the utility model claim changes, within all belonging to the scope of the claims of this case application.
Claims (4)
1. audio amplifier that rotates the tuning structure, it is characterized in that: comprise columniform casing, described columniform casing axially is divided into two sections, one section for being equipped with the pedestal of control unit, another section is for being equipped with the micropkonic case that amplifies, be provided with the rotational potentiometer that electrically connects with described control unit in described pedestal, the central axis of the rotating shaft of described rotational potentiometer and the central axis of described pedestal are overlapping, and be provided with shaft coupling on described rotating shaft and insert key, be provided with at least two joint pins on the end face corresponding with described pedestal on the described case that amplifies, described joint pin another section corresponding with the end on being connected to the described case that amplifies be fixedly connected on described pedestal with the corresponding end face of the described case that amplifies on, rotating disk, described rotating disk is arranged on described amplifying between case and described pedestal, the central axis of described rotating disk and the central axis of described pedestal are overlapping, described rotating disk can rotate around rotating its central axis relative to described case and the described pedestal of amplifying, the center of described rotating disk offers coupling hole, described coupling hole is connected to described connecting shaft and inserts on key, offer concentric with described rotating disk on described rotating disk and with the transitional pore of the circular arc of described at least two corresponding couplings of joint pin, described at least two joint pins all are located in described transitional pore, described at least two joint pins can relatively described rotating disk central axis circumferential movement in described transitional pore.
2. a kind of audio amplifier that rotates the tuning structure as claimed in claim 1, it is characterized in that: the angle of described at least two joint pins circumferential movement in described transitional pore is less than the maximum anglec of rotation of the rotating shaft of described rotational potentiometer.
3. a kind of audio amplifier that rotates the tuning structure as claimed in claim 2, it is characterized in that: described joint pin is three, wherein the distance of the central axis of the described casing of axis deviation of two described joint pins equates, the distance of the central axis of the described casing of axis deviation of another described joint pin is less than two other described joint pin, and depart from the diameter of the range difference of described casing central shaft greater than described joint pin between the described joint pin apart from less of the equidistant joint pin of two described casing central axis of axis deviation and the described central axis of another axis deviation, have two unequal transitional pores of arc diameter on described rotating disk, the corresponding coupling of equidistant joint pin of the larger transitional pore of arc diameter and two described casing central axis of axis deviation, the corresponding coupling of described joint pin apart from less of the less transitional pore of arc diameter and the described central axis of another axis deviation.
4. a kind of audio amplifier that rotates the tuning structure as claimed in claim 3, it is characterized in that: also wrapped outward flange on described rotating disk and be provided with the ring-type side plate, described ring-type side plate is centered around on the joint gap of described amplify case and described pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203284504U CN203301686U (en) | 2013-06-04 | 2013-06-04 | Sound box of rotary tuning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203284504U CN203301686U (en) | 2013-06-04 | 2013-06-04 | Sound box of rotary tuning structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203301686U true CN203301686U (en) | 2013-11-20 |
Family
ID=49577663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203284504U Expired - Fee Related CN203301686U (en) | 2013-06-04 | 2013-06-04 | Sound box of rotary tuning structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203301686U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017091926A1 (en) * | 2015-11-30 | 2017-06-08 | 惠州市吉瑞科技有限公司深圳分公司 | Battery assembly and e-cigarette |
| CN110602577A (en) * | 2019-09-18 | 2019-12-20 | 恒大智慧科技有限公司 | Sound box |
-
2013
- 2013-06-04 CN CN2013203284504U patent/CN203301686U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017091926A1 (en) * | 2015-11-30 | 2017-06-08 | 惠州市吉瑞科技有限公司深圳分公司 | Battery assembly and e-cigarette |
| CN110602577A (en) * | 2019-09-18 | 2019-12-20 | 恒大智慧科技有限公司 | Sound box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20140604 |