CN215379167U

CN215379167U - Broadcast preamplifier with reverberation function

Info

Publication number: CN215379167U
Application number: CN202120906761.9U
Authority: CN
Inventors: 郑庆谋
Original assignee: Shenzhen Jieyu Information Technology Co ltd
Current assignee: Shenzhen Jieyu Information Technology Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-12-31
Anticipated expiration: 2031-04-28

Abstract

The utility model relates to the technical field of sound accessories and discloses a broadcast preamplifier with a reverberation function, which comprises a power amplifier component and a reverberation component, wherein the reverberation component is fixed at the top of the power amplifier component, two frame bodies are symmetrically fixed at the bottom of the power amplifier component, a plurality of suckers are fixedly connected at the bottoms of the two frame bodies, a plurality of arc-shaped openings communicated with the suckers are formed in the inner wall of each frame body, rotary plugs are arranged in the arc-shaped openings, rotary rods are further arranged in the frame bodies, two ends of each rotary rod are rotatably connected with the frame bodies through rotary sleeves, and the rotary plugs are fixedly sleeved with the rotary rods. The utility model integrates the broadcast power amplifier and the karaoke power amplifier together, so that the same power amplifier can simultaneously use the silent sound and reverberation functions, thereby improving the application range and the stability of the whole device when being placed.

Description

Broadcast preamplifier with reverberation function

Technical Field

The utility model relates to the technical field of sound equipment accessories, in particular to a broadcast preamplifier with a reverberation function.

Background

The power amplifier is called power amplifier for short, commonly called loudspeaker, and is the most basic equipment in sound system, and its task is to amplify the weak electric signal from signal source to drive loudspeaker to make sound; for a good set of sound system, the power amplifier is not without work.

All directly place the power amplifier on the desktop when using the power amplifier among the prior art, if the desk is fixed unstable, the power amplifier probably falls to damage owing to placing the unstability, and present power amplifier does not possess the effect of reverberation power amplifier simultaneously, needs purchase alone and the wiring equipment to two kinds of power amplifiers, and is more loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, when a power amplifier is used, the power amplifier is directly placed on a desktop, if the desk is fixed and unstable, the power amplifier is likely to fall and be damaged due to unstable placement, and meanwhile, the existing power amplifier does not have the effect of reverberation power amplifier, and needs to be purchased and wired and assembled separately for two kinds of power amplifiers, so that the broadcasting preamplifier with the reverberation function is relatively complicated.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a take broadcast preamplifier of reverberation function, includes power amplifier part and reverberation part, reverberation part is fixed in power amplifier part's top, power amplifier part's bottom symmetry is fixed with two frameworks, and a plurality of sucking discs of the equal fixedly connected with in bottom of two frameworks, a plurality ofly the arc mouth that is linked together with the sucking disc is seted up to the inner wall of framework, and is equipped with the commentaries on classics stopper in the arc mouth, still be equipped with the bull stick in the framework, and the both ends of bull stick all rotate with the framework through swivel sleeve and be connected, and is a plurality of the commentaries on classics stopper all cup joints with the bull stick is fixed, the bull stick is movable sleeve still is equipped with two torsional springs, and the both ends of two torsional springs respectively with the inner wall of framework and the lateral wall fixed connection of bull stick, the one end of bull stick runs through the framework and outwards extends, two gas outlets have still been seted up to the symmetry in the bottom of framework.

Preferably, two the equal movable sleeve of one end that the bull stick extends to outside is equipped with the pull rod, and the lateral wall that the bull stick extends to outside one end has all seted up the bar hole, the downthehole fixed block that is equipped with of bar, and the both ends of fixed block all are fixed with the pull rod, the lateral wall of pull rod framework one side in opposite directions still all is fixed with the magnetic stripe, and magnetic stripe and framework adsorb each other, the lateral wall of framework seted up with magnetic stripe assorted draw-in groove.

Preferably, each inner wall of the arc-shaped opening is fixedly provided with a sealing ring, and the sealing ring is abutted to the rotary plug.

Preferably, two arc-shaped limiting groove bodies are fixed in the frame body, rotating blocks are arranged in the arc-shaped limiting groove bodies, and the rotating blocks are fixed with the rotating rods.

Preferably, a handle is arranged above the reverberation part, and the handle is rotatably connected with the reverberation part.

Preferably, the internal circuit of the reverberation part is electrically connected with the internal circuit of the power amplification part.

Compared with the prior art, the utility model provides a broadcast preamplifier with reverberation function, which has the following beneficial effects:

1. this take broadcast preamplifier of reverberation function through the power amplifier part that is equipped with, reverberation part, framework, sucking disc, commentaries on classics stopper, bull stick, torsional spring and gas outlet, integrates broadcast power amplifier and karaoke power amplifier together, makes it can use simultaneously in same power amplifier silent sound and reverberation function, has improved its application scope, has improved the whole stability when putting of equipment simultaneously.

2. This take broadcast preamplifier of reverberation function through the pull rod, fixed block and the magnetic stripe that are equipped with, can prescribe a limit to the position of bull stick, and then guarantees the absorptive stability of sucking disc.

The utility model integrates the broadcast power amplifier and the karaoke power amplifier together, so that the same power amplifier can simultaneously use the silent sound and reverberation functions, thereby improving the application range and improving the stability of the whole device when being placed.

Drawings

Fig. 1 is a schematic structural diagram of a broadcast preamplifier with reverberation function according to the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

In the figure: 1 power amplifier part, 2 reverberation part, 3 frameworks, 4 sucking discs, 5 rotary plugs, 6 rotary rods, 7 torsional springs, 8 pull rods, 9 sealing rings, 10 arc-shaped limiting groove bodies, 11 rotary blocks, 12 handles, 13 fixing blocks, 14 magnetic stripes and 15 air outlets.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, a broadcasting preamplifier with reverberation function comprises a power amplifier component 1 and a reverberation component 2, wherein the reverberation component 2 can change the reverberation time of a hall, reprocess a dry signal to increase the sense of space and improve the fullness of an audio system, the reverberation component 2 is fixed at the top of the power amplifier component 1, two frames 3 are symmetrically fixed at the bottom of the power amplifier component 1, a plurality of suckers 4 are fixedly connected at the bottoms of the two frames 3, a plurality of arc-shaped openings communicated with the suckers 4 are formed in the inner wall of the frame 3, rotary plugs 5 are arranged in the arc-shaped openings, a rotary rod 6 is further arranged in the frame 3, two ends of the rotary rod 6 are rotatably connected with the frames 3 through rotary sleeves, the rotary plugs 5 are fixedly sleeved with the rotary rod 6, the rotary rod 6 is further movably sleeved with two torsion springs 7, and two ends of the two torsion springs 7 are respectively fixedly connected with the inner wall of the frame 3 and the side wall of the rotary rod 6, one end of the rotating rod 6 penetrates through the frame body 3 and extends outwards, and two air outlets 15 are symmetrically formed in the bottom of the frame body 3.

Two bull sticks 6 extend to the equal movable sleeve of outside one end and are equipped with pull rod 8, and the lateral wall that bull stick 6 extends to outside one end has all seted up the bar hole, and the downthehole fixed block 13 that is equipped with of bar, and the both ends of fixed block 13 all are fixed with pull rod 8, and the lateral wall of pull rod 8 framework 3 one side in opposite directions still all is fixed with magnetic stripe 14, and magnetic stripe 14 adsorbs each other with framework 3, framework 3's lateral wall seted up with 14 assorted draw-in grooves of magnetic stripe.

The inner wall of every arc mouth all is fixed and is equipped with sealing washer 9, and sealing washer 9 and commentaries on classics stopper 5 counterbalance setting, can improve the leakproofness between commentaries on classics stopper 5 and the arc mouth.

All be fixed with two spacing cell bodies of arc 10 in two framework 3, and be equipped with commentaries on classics piece 11 in the spacing cell body of arc 10, change piece 11 and bull stick 6 are fixed, can inject 6 pivoted angles of bull stick, improve its pivoted stability simultaneously.

The handle 12 is arranged above the reverberation part 2, and the handle 12 is rotatably connected with the reverberation part 2, so that the whole equipment is convenient to carry.

The internal circuit of the reverberation part 2 is electrically connected with the internal circuit of the power amplification part 1, so that the normal use of the function is ensured.

In the utility model, when in use, the power amplifier component 1 and the reverberation component 2 which are fixedly connected can integrate the broadcast power amplifier and the karaoke power amplifier together, so that the power amplifier can simultaneously use the silent sound and the reverberation functions in the same power amplifier, the application range is improved, and the sucking discs 4 can be adsorbed on a table top by pressing the whole equipment through the plurality of sucking discs 4, thereby ensuring the stability of the whole use of the device, when the device needs to be disassembled and carried, the pull rod 8 is pulled to separate the magnetic strip 14 and the frame body 3, then the pull rod 8 is pulled to rotate the rotating rod 6, the rotating rod 6 rotates to drive the rotating plug 5 to rotate, and further the arc-shaped opening is opened, and can make outside air enter into in the sucking disc 4 through gas outlet 15, make sucking disc 4 automatic and desktop break away from each other, the rethread torsional spring 7 that is equipped with can make bull stick 6 return the normal position automatically, is convenient for its next use.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A broadcasting preamplifier with reverberation function comprises a power amplifier component (1) and a reverberation component (2), and is characterized in that the reverberation component (2) is fixed at the top of the power amplifier component (1), two frames (3) are symmetrically fixed at the bottom of the power amplifier component (1), the bottoms of the two frames (3) are fixedly connected with a plurality of suckers (4), the inner wall of the frame (3) is provided with a plurality of arc-shaped openings communicated with the suckers (4), rotary plugs (5) are arranged in the arc-shaped openings, a rotary rod (6) is further arranged in the frame (3), two ends of the rotary rod (6) are rotatably connected with the frames (3) through rotary sleeves, the rotary plugs (5) are fixedly sleeved with the rotary rod (6), the rotary rod (6) is further movably sleeved with two torsion springs (7), and two ends of the two torsion springs (7) are respectively fixedly connected with the inner wall of the frame (3) and the side wall of the rotary rod (6), one end of the rotating rod (6) penetrates through the frame body (3) and extends outwards, and two air outlets (15) are symmetrically formed in the bottom of the frame body (3).

2. The broadcasting preamplifier with reverberation function of claim 1, wherein a pull rod (8) is movably sleeved on one end of each of the two rotating rods (6) extending to the outside, a strip-shaped hole is formed in each of side walls of the rotating rods (6) extending to the outside, a fixed block (13) is arranged in each strip-shaped hole, two ends of each fixed block (13) are fixed to the pull rod (8), a magnetic stripe (14) is further fixed on each of side walls of the pull rod (8) facing one side of the frame body (3), the magnetic stripes (14) and the frame body (3) are mutually adsorbed, and a clamping groove matched with the magnetic stripe (14) is formed in each of the side walls of the frame body (3).

3. The broadcasting preamplifier with reverberation function of claim 1, wherein a sealing ring (9) is fixedly arranged on the inner wall of each arc-shaped opening, and the sealing ring (9) is arranged against the rotary plug (5).

4. The broadcasting preamplifier with reverberation function as claimed in claim 1, wherein two arc-shaped limiting groove bodies (10) are fixed in the two frame bodies (3), and a rotating block (11) is arranged in each arc-shaped limiting groove body (10), wherein the rotating block (11) is fixed with the rotating rod (6).

5. The broadcasting preamplifier with reverberation function of claim 1, wherein a handle (12) is arranged above the reverberation part (2), and the handle (12) is rotatably connected with the reverberation part (2).

6. The broadcasting preamplifier with reverberation function of claim 1, wherein the internal circuit of the reverberation part (2) is electrically connected with the internal circuit of the power amplifier part (1).