CN209882061U

CN209882061U - Portable draw-bar box type sound box

Info

Publication number: CN209882061U
Application number: CN201921100255.XU
Authority: CN
Inventors: 来国煌
Original assignee: Shenzhen Super Global Electronic Co ltd
Current assignee: Shenzhen Super Global Electronic Co ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2019-12-31
Anticipated expiration: 2029-07-15

Abstract

The utility model discloses a portable draw-bar box type sound box, which comprises a draw-bar box body, wherein the front side of the draw-bar box body is provided with a large face shell provided with a loudspeaker, the top surface is provided with a sound box operation panel, the front side of the bottom surface of the draw-bar box body is provided with a pair of bottom feet, and the rear side is provided with a pair of wheels; the back side of the sound operating panel on the top of the draw-bar box body is provided with a built-in draw bar which can stretch in the draw-bar box body. The utility model discloses in, adopt built-in pull rod can save the cost, practice thrift the space, and product elegant appearance.

Description

Portable draw-bar box type sound box

Technical Field

The utility model relates to a stereo set field, especially a box stereo set of portable pull rod.

Background

Sound is a simplified daily word, which is the abbreviation of sound system. I.e. a whole set of devices capable of reproducing and playing audio signals.

With the progress of society, people are more colorful in life. The singing and dancing as an entertainment form for thousands of years goes deep into the life of people of all groups. However, with the development and progress of science and technology, people have more and more requirements and higher requirements on the performance form and the field of singing and dancing. Sound systems are continuously improved and perfected in response to the needs of people. The method is large enough to meet the field sound reinforcement requirement of tens of thousands of people in singing meetings and small enough to meet the requirements of playing musical instruments and K songs by individual families.

The jumping square dance is an entertainment item which is deeply loved by the vast middle-aged and old people, and at present, a group of people can see that a large-power portable box-type sound box dances everywhere no matter in city and countryside. At present, such portable box stereo set is generally installed in a hexahedral box, and the box is supported by footing and wheel, sets up a pull rod at the back of box, and when the transport, the box inclines to this limit of pull rod, makes the weight of stereo set press on the wheel, drags the pull rod and just can very easily carry, receives liking of vast square dance fan deeply. However, the pull rod is arranged on the back surface of the box body and protrudes out of the box body, so that the box body occupies a large space when being stored, and the requirements of consumers cannot be met.

Disclosure of Invention

The utility model discloses a to at present at portable box back mounted pull rod, pull rod protrusion in box makes the box possess great space when depositing, can not satisfy not enough of consumer's needs, provides a box stereo set of portable pull rod.

The utility model discloses a realize that the technical scheme that its technical purpose adopted is: the utility model provides a novel column battery, includes the columnar electric core the electric core in the middle of, be provided with the through-hole along electric core axial.

The utility model provides a portable draw-bar box type sound box, which comprises a draw-bar box body, wherein the front side of the draw-bar box body is provided with a large face shell provided with a loudspeaker, the top surface is provided with a sound box operation panel, the front side of the bottom surface of the draw-bar box body is provided with a pair of bottom feet, and the rear side is provided with a pair of wheels; the back side of the sound operating panel on the top of the draw-bar box body is provided with a built-in draw bar which can stretch in the draw-bar box body.

The utility model discloses in, adopt built-in pull rod can save the cost, practice thrift the space, and product elegant appearance.

Further, in the portable draw-bar box type sound: the inner side center of the large face shell is provided with a first loudspeaker with a large opening, and a second loudspeaker with a small opening is arranged around the first loudspeaker.

Further, in the portable draw-bar box type sound: the big face-piece in the middle of, the horn mouth department of first loudspeaker be provided with by the lamp plate of installing the mainboard control in the draw-bar box body, install printing opacity spare in the lamp plate outside.

The present invention will be further described with reference to the accompanying drawings and the detailed description.

Drawings

Fig. 1 is an outline view of embodiment 1 of the present invention.

Fig. 2 is an exploded view of embodiment 1 of the present invention.

Detailed Description

Embodiment 1, as shown in fig. 1 and 2, this embodiment is a portable draw-bar box type sound box, which is a sound box that is popular with wide square dance enthusiasts, and can be conveniently carried and used regardless of city and countryside. As shown in fig. 1 and the drawings, the main body of the portable draw-bar box type audio of the present embodiment is a draw-bar box body 100, which may be in the shape of a regular hexahedron or other box body in practice, and in the present embodiment, the main body is a square box body with a height, width and thickness of 50cm, 35cm and 30cm, a width of the built-in draw bar 101 is installed on the top surface of the box body near the rear side, a pair of feet 106 are installed on the front side of the box bottom, and a pair of wheels 105 are installed on the rear side, so that when the audio is transported, the audio can lean backwards, so that the weight of the audio is mostly pressed onto the rear wheels 105, the built-in draw bar 101 is pulled out, and the audio can be pulled to walk. When the trolley is transported to a destination, the built-in draw bar 101 can be retracted into the draw-bar box body 100, so that the trolley does not occupy space and has no trace. Unlike some external pull rods, the pull rods can be seen regardless of extension or contraction, and in order to be attractive, the pull rods need to be decorated necessarily, so that the production cost is increased.

In this embodiment, the sound system is operated by an operation panel 103 installed on the top of the draw-bar box 100, the operation panel is provided with a plurality of knobs 111 for adjusting power amplification and a power switch 112, in addition, in this embodiment, the music source is stored in the USB disk, therefore, the operation panel 103 can also be provided with a USB interface 113, the USB interface 113 is connected with a main board 108 installed in the draw-bar box 100, and the main board 108 is provided with a USB interface circuit and an intelligent device for reading the USB disk. In addition, because the portable box-type sound box in the embodiment is suitable for being used by the friends who dance in the square, and some dance places may not have power supplies, the portable box-type sound box is provided with a storage battery in the draw-bar box body 100, and a charging control circuit for charging the storage battery by using the USB interface 113 is also arranged on the mainboard.

In this embodiment, the front surface of the draw-bar box body 100 is provided with a large panel 104 provided with a loudspeaker, the middle of the inner side of the large panel 104 is provided with a first loudspeaker 102, the first loudspeaker 102 is a large-opening loudspeaker driven by a power amplifier arranged on a mainboard, the overweight and bass effect can be generated by a knob 111 of an operation panel, the upper side of the first loudspeaker 102 is provided with a second loudspeaker 107, the two sides of the lower side of the first loudspeaker 102 are respectively and symmetrically provided with a second loudspeaker 107, all the second loudspeakers 107 are also driven by the power amplifier arranged on the mainboard 108, and the knob 111 for adjusting the output power of the second loudspeaker 107 is also arranged on the operation panel 103. In the middle of the large face shell 104, a rendering lamp plate 109 is further arranged in the horn mouth of the first horn 102, a light-transmitting piece 110 is arranged outside the lamp plate 109, and the lamp plate 109 emits light and is controlled by a main board.

Claims

1. A portable draw-bar box type sound box comprises a draw-bar box body (100), wherein the front surface of the draw-bar box body (100) is provided with a large face shell (104) provided with a loudspeaker, the top surface of the draw-bar box body is provided with a sound box operation panel (103), the front side of the bottom surface of the draw-bar box body (100) is provided with a pair of feet (106), and the rear side of the draw-bar box body is provided with a pair of wheels (105); the method is characterized in that: the rear side of the sound operation panel (103) on the top of the draw-bar box body (100) is provided with a built-in draw bar (101) which can stretch in the draw-bar box body (100).

2. The portable draw-bar box speaker of claim 1, wherein: the large-face shell (104) is characterized in that a first horn (102) with a large opening is arranged in the center of the inner side of the large-face shell, and a second horn (107) with a small opening is arranged around the first horn (102).

3. The portable draw-bar box speaker of claim 2, wherein: big face shell (104) in the middle of, the horn mouth department of first loudspeaker (102) be provided with lamp plate (109) by mainboard (108) control of installing in draw-bar box (100), install printing opacity piece (110) in the lamp plate (109) outside.