CN210225666U

CN210225666U - Many palace rooms of LM compact array audio amplifier

Info

Publication number: CN210225666U
Application number: CN201921632347.2U
Authority: CN
Inventors: Jiejun Cen; 岑捷军
Original assignee: Enping Honglang Electronic Co Ltd
Current assignee: Enping Honglang Electronic Co Ltd
Priority date: 2019-09-28
Filing date: 2019-09-28
Publication date: 2020-03-31
Anticipated expiration: 2029-09-28

Abstract

The utility model discloses a many palace rooms of LM compact array audio amplifier, include the base and arrange a plurality of audio amplifiers on the base, a plurality of gyro wheels are evenly installed to the bottom of base, the equal fixed mounting in both ends has the stake about the base, two the electric putter, two are all installed through the support in the relative one side of stake electric putter all runs through the base setting and two the equal fixed mounting in electric putter's output has the pad leg, two the equal movable insertion in upper end of stake is equipped with the plug post, two the upper end of plug post all is connected with the roof through branch. The utility model discloses arrange a plurality of audio amplifiers on the base in proper order, thereby firm mechanism that sets up bottom the roof can firmly fix a plurality of audio amplifiers and form a whole on the base like this, just need remove this whole when meetting big performance activity like this can, removed the inconvenience and loaded down with trivial details of removing each audio amplifier in proper order from.

Description

Many palace rooms of LM compact array audio amplifier

Technical Field

The utility model relates to a audio amplifier technical field especially relates to a many palace rooms array audio amplifier of LM compact.

Background

The linear array loudspeaker box is a group of radiating units which are arranged in a straight line and closely spaced, and have the same amplitude and phase. The audio matrix is a multi-signal input and multi-signal output, and input and output rules can be freely switched and distributed. Linear array enclosures are particularly well suited for remote acoustic radiation because linear array enclosures can provide very good directivity across a vertical footprint to achieve good acoustic results. The first linear array loudspeakers appeared in the 70 s, although they were still imperfect. In the form of a "sound wall". Dozens of or even hundreds of sound boxes are horizontally stacked and vertically stacked to form a sound wall, and the sound wall can truly swing and have extraordinary vigor when power of ten thousand watts is turned on.

A large performance place often needs to use a plurality of groups of sound boxes to amplify the sound, but the plurality of groups of sound boxes are inconvenient to move when used together, and a large amount of manpower is often consumed.

Disclosure of Invention

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: when a plurality of groups of sound boxes are used together, the sound boxes are inconvenient to move, and a large amount of manpower is consumed, so that the LM compact type multi-palace-chamber array sound box is provided.

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

the utility model provides a many palace rooms array audio amplifier of LM compact, includes the base and arranges a plurality of audio amplifiers on the base, a plurality of gyro wheels are evenly installed to the bottom of base, the equal fixed mounting in both ends has the stake about the base, two the relative one side of stake all has electric putter, two electric putter all runs through the base setting and two the equal fixed mounting of electric putter's output has the pad leg, two the equal activity of upper end of stake is inserted and is equipped with the plug column, two the upper end of plug column all is connected with the roof through branch, the bottom of roof set gradually with a plurality of audio amplifier assorted firm mechanism.

Preferably, the stabilizing mechanism comprises a telescopic rod installed at the bottom of the top plate, a positioning seat clamped with the upper end of the sound box is fixedly connected to the lower end of the telescopic rod, and the top of the positioning seat is symmetrically provided with an elastic mechanism connected with the top plate about the telescopic rod.

Preferably, elastic mechanism includes and articulates two connecting rods in the roof bottom about the telescopic link, two bar grooves have been seted up about the telescopic link symmetry at the top of positioning seat, two bar inslot all transversely is fixed to insert and is equipped with the dead lever, two all symmetrical cover in proper order is equipped with powerful spring and sliding sleeve on the dead lever, two the one end that the roof was kept away from to the connecting rod is connected through the round pin axle is articulated with the middle section of two sliding sleeve respectively, and two the relative one end of powerful spring respectively with the inside wall rigid coupling in two bar grooves, two the relative one end of powerful spring back on the back respectively with the relative one end surface rigid coupling of two sliding sleeve.

Preferably, the strong spring is a compression spring.

Preferably, a screw hole is formed in the outer side wall of the lower end of the inserting and fixing column, a bolt is installed in the screw hole through internal threads, and a circular groove for inserting the small head end of the bolt is formed in the upper end of the vertical pile.

Preferably, push handles are arranged on the opposite sides of the two vertical piles.

The utility model has the advantages that: 1. the plurality of sound boxes are sequentially arranged on the base, the top plate is covered, and then the two inserting and fixing posts at the two ends of the top plate and the two vertical posts are fixed together by using the two bolts, so that the sound boxes can be firmly fixed on the base by the fixing mechanism arranged at the bottom of the top plate to form a whole, the whole can be moved when large performance activities are met, and inconvenience and complexity in sequentially moving each sound box are avoided;

2. the alternative pressure-bearing through electric putter, pad leg on base bottom gyro wheel and the base can make things convenient for the workman to pass it when this is whole need to remove to can control electric putter and drive the pad leg and move down and play the supporting role to whole after reacing the assigned position, form this holistic rigidity, convenient and practical.

Drawings

Fig. 1 is a schematic structural view of an LM compact multi-palace chamber array loudspeaker box according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is an enlarged view of the structure at B in fig. 1.

In the figure: the device comprises a base 1, an electric push rod 2, a leg pad 3, an insertion column 4, a top plate 5, a vertical pile 6, an expansion rod 7, a positioning seat 8, a strip-shaped groove 9, a fixing rod 10, a sliding sleeve 11, a strong spring 12, a connecting rod 13, a bolt 14 and a circular groove 15.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, an LM compact type multi-palace chamber array sound box comprises a base 1 and a plurality of sound boxes arranged on the base 1, wherein a plurality of rollers are uniformly installed at the bottom of the base 1, vertical piles 6 are fixedly installed at both left and right ends of the base 1, electric push rods 2 are installed at one sides of the two vertical piles 6 opposite to each other through supports, the two electric push rods 2 penetrate through the base 1, pad legs 3 are fixedly installed at output ends of the two electric push rods 2, inserting columns 4 are movably inserted at upper ends of the two vertical piles 6, the upper ends of the two inserting columns 4 are connected with a top plate 5 through supporting rods, and a stabilizing mechanism matched with the plurality of sound boxes is sequentially arranged at the bottom of the top plate 5; the stabilizing mechanism comprises a telescopic rod 7 installed at the bottom of the top plate 5, a positioning seat 8 clamped with the upper end of the sound box is fixedly connected to the lower end of the telescopic rod 7, and an elastic mechanism connected with the top plate 5 is symmetrically arranged at the top of the positioning seat 8 relative to the telescopic rod 7.

Elastic mechanism includes articulates two connecting rods 13 in roof 5 bottom about telescopic link 7, two bar grooves 9 have been seted up about telescopic link 7 symmetry at the top of positioning seat 8, equal horizontal fixed the inserting in two bar grooves 9 is equipped with dead lever 10, all in proper order the symmetry cover on two dead levers 10 be equipped with powerful spring 12 and sliding sleeve 11, powerful spring 12 is compression spring, the one end that roof 5 was kept away from to two connecting rods 13 is connected through the round pin axle is articulated with the middle section of two sliding sleeve 11 respectively, and two opposite one ends of powerful spring 12 respectively with the inside wall rigid coupling of two bar grooves 9, two opposite one ends of powerful spring 12 back on the back respectively with the relative one end surface rigid coupling of two sliding sleeve 11.

The outer side wall of the lower end of the inserting and fixing column 4 is provided with a screw hole, a bolt 14 is installed in the screw hole through internal threads, and the upper end of the vertical pile 6 is provided with a circular groove 15 for inserting the small head end of the bolt 14. Thus, the two insertion posts 4 at both ends of the top plate 5 and the two vertical piles 6 are fixed together by the two bolts 14.

The push handles are arranged on the opposite sides of the two vertical piles 6, and due to the design, the whole device can be pushed by a worker conveniently.

The utility model provides a pair of in many palace rooms array audio amplifier of LM compact, arrange a plurality of audio amplifiers on base 1 in proper order, later cover roof 5, then utilize two bolts 14 to fix together two plug-in posts 4 and two stakes 6 at 5 both ends of roof, thereby firm mechanism that roof 5 bottom set up can firmly fix a plurality of audio amplifiers on base 1 and constitute a whole like this, just need remove this whole when meetting big performance activity like this can, the inconvenience and the loaded down with trivial details that remove each audio amplifier in proper order have been removed from.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a many palace rooms of LM compact array audio amplifier, includes base (1) and a plurality of audio amplifiers of arranging on base (1), its characterized in that, a plurality of gyro wheels are evenly installed to the bottom of base (1), the equal fixed mounting in both ends has found stake (6), two about base (1) found stake (6) relative one side all through the support mounting have electric putter (2), two electric putter (2) all run through base (1) setting and two the equal fixed mounting of output of electric putter (2) has pad leg (3), two the equal activity of upper end of founding stake (6) is inserted and is equipped with and inserts reference column (4), two the upper end of inserting reference column (4) all is connected with roof (5) through branch, the bottom of roof (5) has set gradually with a plurality of audio amplifier assorted stabilizing mean.

2. An LM compact multi-palace chamber array loudspeaker according to claim 1, characterized in that the stabilizing means comprises a telescopic rod (7) mounted at the bottom of the top plate (5), the lower end of the telescopic rod (7) is fixedly connected with a positioning seat (8) engaged with the upper end of the loudspeaker, and the top of the positioning seat (8) is symmetrically provided with elastic means connected with the top plate (5) about the telescopic rod (7).

3. The LM compact multi-chamber array loudspeaker of claim 2, the elastic mechanism comprises two connecting rods (13) hinged at the bottom of the top plate (5) relative to the telescopic rod (7), two strip-shaped grooves (9) are symmetrically formed in the top of the positioning seat (8) relative to the telescopic rod (7), fixing rods (10) are transversely and fixedly inserted in the two strip-shaped grooves (9), a strong spring (12) and a sliding sleeve (11) are sequentially and symmetrically sleeved on the two fixing rods (10), one ends of the two connecting rods (13) far away from the top plate (5) are respectively hinged with the middle sections of the two sliding sleeves (11) through pin shafts, and the opposite ends of the two strong springs (12) are fixedly connected with the inner side walls of the two strip-shaped grooves (9) respectively, and the opposite ends of the two strong springs (12) are fixedly connected with the surfaces of the opposite ends of the two sliding sleeves (11) respectively.

4. A LM compact multi-cell array loudspeaker according to claim 3, characterised in that said strong springs (12) are compression springs.

5. The LM compact multi-palace chamber array loudspeaker box of claim 1, characterized in that the outer side wall of the lower end of the inserting column (4) is provided with a screw hole, the screw hole is internally threaded with a bolt (14), and the upper end of the stud (6) is provided with a circular groove (15) for the small end of the bolt (14) to be inserted.

6. An LM compact multi-palace chamber array loudspeaker according to claim 1, characterized in that the opposite sides of the two said uprights (6) are fitted with push handles.