CN2838190Y - multimedia speaker base - Google Patents

Abstract

The utility model discloses a multimedia loudspeaking base which is used for supporting a portable electronic device and enabling the portable electronic device to stand on a plane, and comprises two telescopic rods which are mutually sleeved by a plurality of hollow rods, so that the length of each telescopic rod can be changed to a preset length; the bidirectional rotating shaft is provided with two rotating axial directions and is used for connecting the two telescopic rods, so that the two telescopic rods can perform relative pivoting of the two rotating axial directions; the two loudspeaker units are respectively arranged at the other movable ends of the two telescopic rods and used for receiving the input of sound effect signals and outputting sound, and the portable electronic device can be clamped through the driving of the two telescopic rods so as to stand on a plane.

Description

multimedia speaker base

technical field

The utility model relates to an audio playing device, in particular to a multimedia speaker base externally connected to a portable electronic device.

Background technique

Portable electronic devices such as personal digital assistants, MP3 players, etc., mostly use earphones for sound output. Although some models have built-in small speakers, a single speaker cannot achieve stereo sound effects, and its size is small and its power is insufficient. Make the volume too low and unclear. The built-in speaker is useless and useless. Therefore, when most users use portable electronic devices to play sound effects, in addition to using earphones to output sound effects for their own listening, they will also use an external large speaker for playback. . However, traditional speakers are bulky, difficult to collect or carry, and must be connected with signal lines, which does not meet the needs of portability.

Generally speaking, a personal digital assistant can be combined with a base, which can be used as a supporting device, so that the personal digital assistant can stand on a flat surface, and at the same time charge or transmit data through the base, but this base The seat does not have multimedia functions, and cannot be further used to expand the audio playback function of the personal digital assistant. And multimedia playing device, as MP3 player etc., existing product collocation expands the base sale at present, as products such as the iPod and iPod Shuffle that Apple Computer Company rolls out, all has its exclusive expansion base. Except that this expansion base can be used as a connection interface with a personal computer and a charging function, it also has a high-power loudspeaker, so that the MP3 player's sound effect playback is no longer limited to the earphones for personal use. However, this type of expansion base is designed for a single product and can only be installed on a specific model, which lacks versatility. Moreover, the appearance of this type of base is designed in a platform shape to be placed stably on a plane, but it also forms a bulky Too big, not easy to store or carry.

In short, the traditional speaker or the docking station of the portable electronic device is too bulky and not easy to carry, which limits the audio playing function of the portable electronic device.

Utility model content

The technical problem to be solved by this new model is to provide a multimedia speaker base, which uses the telescopic rod to pivot relatively and change the length, so that the volume of the multimedia speaker base when not in use is reduced, and it can be matched with portable speakers of different sizes. type electronic device to solve the problem that the prior art is not easy to carry or is only suitable for a single type of electronic device.

In order to achieve the above purpose, the present invention provides a multimedia speaker base, which is used to fix and support the portable electronic device, so that the portable electronic device can stand on a plane, and carry out Play sound effects to combine to form a multimedia play group. The multimedia speaker base includes two telescopic rods, which are composed of a plurality of hollow rod bodies which are inserted through each other, and each hollow rod body can slide relatively to change the length of the telescopic rods. A two-way rotating shaft has two rotating shafts and is used to connect the two telescopic rods so that the telescopic rods can pivot relative to the two rotating shafts. The two speaker units are respectively arranged at the other ends of the two telescopic rods to receive the sound effect signal output by the portable electronic device, and emit a sound output for sound effect playback. At the same time, the two speaker units can be controlled by the Driven by the two telescopic rods, the length of the telescopic rods is changed, and the portable electronic device is clamped and fixed between the two speaker units, which is used to fix and support the portable electronic device so that it can stand on a plane.

The effect of the utility model is that the combination of the telescopic rod and the two-way rotating shaft can freely change the size of the clamping space, and keep the speaker unit pointing to the front or the predetermined direction, so that the utility model can be used in various sizes and appearance types Portable electronic devices are no longer limited to the role of accessories of a single model. And the design of the clamping space can be changed, so that the portable electronic device can be arranged vertically or horizontally according to the software settings, which can give full play to the software settings and meet the needs of various applications and multimedia files. need.

The detailed features and advantages of the present utility model are described in detail below in the implementation manner, and its content is enough to make any person familiar with relevant technical skills understand the technical content of the present utility model and implement it accordingly, and according to the content disclosed in this specification, the scope of claims and With the accompanying drawings, anyone familiar with the related art can easily understand the purpose and advantages of the utility model.

The above description about the content of the utility model and the following description of the implementation are used to demonstrate and explain the principle of the utility model, and provide further explanation of the scope of claims of the utility model.

Description of drawings

Fig. 1 is the perspective view of a preferred embodiment of the utility model;

2 to 4 are top views of different embodiments of the present utility model;

Fig. 5 to Fig. 7 are application schematic diagrams of the present utility model;

Fig. 8 is a three-dimensional schematic diagram of wired transmission between the utility model and a portable electronic device;

FIG. 9 is a schematic diagram of wireless transmission between the utility model and a portable electronic device; and

FIG. 10 is a schematic block diagram of the wireless transmission system between the utility model and the portable electronic device.

Among them, reference signs

10 telescopic poles

10a rod body

10b rod body

20 two-way shaft

30 speaker units

40 Portable Electronic Devices

41 display

42 signal line

43 wireless receiving module

50 unlimited transfer modules

Detailed ways

In order to further understand the purpose, structure, features, and functions of the present utility model, the detailed description of the embodiments is as follows.

Please refer to Fig. 1 to Fig. 4, which is a multimedia speaker base provided by a preferred embodiment of the present invention, which includes two telescopic rods 10, a two-way rotating shaft 20 and two speaker units 30 .

The telescoping rod 10 has a plurality of hollow rods passing through each other, and each hollow rod can slide relative to a certain position, and at the same time form a positioning effect, so that the telescopic rod 10 is fixed at a predetermined length. In this embodiment, each telescopic rod includes two hollow rod bodies, wherein the outer peripheral profile of one rod body 10a is slightly smaller than the inner peripheral contour of the other rod body 10b, so that they can pass through each other, slide relative to each other and change the length of the telescopic rod 10 . In addition, the cross-sections of the two telescopic rods 10 are axisymmetric, so that when the two telescopic rods 10 are close to each other, they can be merged to form a single rod body.

One end of the two telescopic rods 10 is connected to the two-way rotating shaft 20, so that the two telescopic rods 10 can pivot relative to each other in two rotational axes, and move closer to each other or open to form an included angle, or open After presenting an included angle, a relative rotation of another rotating shaft is performed to form different clamping forms.

The two speaker units 30 are respectively arranged at the movable ends of the two telescopic rods 10 , and the speaker units 30 can receive an input of an audio effect signal, and emit a sound output.

When the utility model is not in use, the two telescopic rods 10 and the speaker unit 30 can be moved closer to each other, as shown in Figure 3, and then the length of the telescopic rod 10 is shortened to a minimum, as shown in Figure 4, the occupied Space is reduced to a minimum for easy portability or storage. When in use, the two telescopic rods 10 can be opened to keep the speaker units 30 away from each other, and the angle and length of the two telescopic rods 10 can be changed according to the requirements of the portable electronic device.

Please refer to Fig. 5 to Fig. 7 again, for the combination of the multimedia speaker base of the present invention and a portable electronic device 40 to form a perspective view of a multimedia player group, wherein Fig. 5 and Fig. 6 are portable The electronic devices are placed in different directions, and FIG. 7 shows the clamping methods of the two telescopic rods 10 in different shapes. Wherein the portable electronic device 40 can be a personal digital assistant (PDA), and the personal digital assistant can be used as a multimedia playback device after being executed with application software, and can play multimedia files such as music files or movies, and simultaneously output sound effects Signal. At this time, the utility model can be utilized to combine with the portable electronic device 40, and the multimedia speaker base is used to support it to stand on a plane, and at the same time, the speaker unit 30 receives the sound effect signal input and emits a sound, so as to facilitate Users watch videos or listen to music.

The portable electronic device 40 can be arranged in different configurations under different usage conditions. When playing music files, in order to display more repertoire data on the display screen 41 of the portable electronic device 40, a vertical arrangement is adopted at this time, so that the display screen 40 has a larger length in the vertical axis direction to accommodate more A lot of track information. At this time, the two telescopic rods 10 can be stretched into a straight line, placed behind the portable electronic device 40, and then the length of the two telescopic rods 10 can be adjusted, and the two speaker units 30 can be slightly clamped by the left and right sides. The portable electronic device 40 , as shown in FIG. 5 , supports the portable electronic device 40 to stand on a flat surface. When watching a movie, the portable electronic device 40 is placed horizontally so that the display screen 41 matches the format of the movie file. At this time, the two telescopic rods 10 can be opened into a straight line, and the two telescopic rods 10 can be stretched outwards simultaneously. The length of the rod 10 is such that its length can match the length of the long side of the portable electronic device 40, and the portable electronic device 40 is clamped with two speaker units 30, and the portable electronic device 40 Stand on a flat surface, as shown in Figure 6.

In addition to using the length change of the telescopic rod 10 to change the size of the clamping space between the two speaker units 30, the angle between the two speaker units 30 can also be changed by using the change of the angle of the telescopic rod 10. The size of the clamping space. In order to make the sound projection directions of the two speaker units 30 point to the same direction, the utility model uses a two-way rotating shaft 20 to connect the two telescopic rods 10 so that the telescopic rods 10 can perform relative rotation of the two rotation axes. Referring to Fig. 7, after the two telescopic rods 10 are fully stretched into a straight line, the two speaker units 30 face the same direction, and the two telescopic rods 10 can pivot relative to each other according to another rotation axis. Turn, change the angle between the two telescopic rods 10 and the distance between the two speaker units 30, but do not change the sound projection direction of the speaker unit 30, so that the two speaker units 30 are still facing the same direction, so Another clamping and supporting form can be formed to support the portable electronic device 40 standing on a plane, and the two speaker units 30 can point to the front of the portable electronic device 40 . If the two telescopic rods 10 can only rotate on one axis of rotation, although the clamping space between the two speaker units 30 can be changed by changing the included angle, the direction of the speaker unit 30 will be towards the left and right sides. side, and cannot point to the front of the portable electronic device 40, but the utility model uses a bidirectional rotating shaft to make the telescopic rod 10 have two degrees of freedom in the rotational axis, which can ensure that the speaker unit 30 is indeed facing the front or predetermined direction.

This sound effect signal is produced by portable electronic device 40 such as personal digital assistant (PDA) or multimedia player (MP3 PLAYER), carries out wired transmission through a signal line 42 and separates to two speaker units 30, as shown in Figure 8 shown. Or set up a wireless transmission module 43 on this portable electronic device 40 by wireless transmission mode such as bluetooth communication protocol, establish a wireless receiving module 50 on the multimedia speaker base, sound effect signal is passed through this wireless transmission module 43 It is output as a wireless signal, and after passing through the wireless receiving module 50, it is input into each speaker unit 30, as shown in FIG. 9 and FIG. 10 .

The power required for the operation of the two speaker units 30 can be supplied from different sources depending on the signal transmission form or the operation occasion. In the case of wired transmission, the power demand can be provided by the portable electronic device through the signal line 42. For example, when the universal serial bus (USB) is used as the signal transmission interface, the portable electronic device 40 can use the universal serial bus (USB) transmission line ( USB wire) and two speaker units 30, at this time, the universal serial bus can also supply a current and an audio signal to the speaker unit 30 at the same time. In the case of wireless transmission, a battery can be provided inside the speaker unit 30 to supply power. A transformer can also be connected externally, and the speaker unit 30 can be provided with the transformer to convert household electricity to work when used indoors.

Although the utility model is disclosed above with the foregoing embodiments, it is not intended to limit the utility model. Without departing from the spirit and scope of the utility model, the modifications and improvements made all belong to the patent protection scope of the utility model. Please refer to the appended claims for the scope of protection defined by the utility model.

Claims (7)

1. A multimedia speaker base, comprising: The two telescopic rods are composed of a plurality of hollow rods passing through each other, and each hollow rod can slide relative to each other until the two telescopic rods are fixed at a fixed position with a predetermined length; A two-way rotating shaft has two rotating shafts, one end of the two telescopic rods is connected to the bi-directional rotating shaft, and the two telescopic rods can pivot relative to each other on the two rotating shafts; and Two loudspeaker units that receive sound effect signals and output sound are respectively arranged at the other movable ends of the two telescopic rods; a clamping space is formed between the two loudspeaker units by the movement of the two telescopic rods. 2. The multimedia speaker base according to claim 1, characterized in that, the telescopic rod is composed of two hollow rod bodies passing through each other. 3. The multimedia speaker base according to claim 1, wherein the speaker unit receives the input of the sound effect signal through a signal line respectively. 4. The multimedia speaker base according to claim 3, wherein the speaker unit receives an input of driving power through a signal line. 5. The multimedia speaker base according to claim 3, wherein the signal line is a USB transmission line. 6. The multimedia speaker base according to claim 1, wherein the speaker unit has a wireless receiving module for receiving the input of the sound effect signal. 7. The multimedia speaker base according to claim 6, wherein the wireless receiving module is a wireless receiving module using Bluetooth communication protocol.

Images