CN213638075U

CN213638075U - A audio amplifier for under stage activity

Info

Publication number: CN213638075U
Application number: CN202022265062.9U
Authority: CN
Inventors: 汤福妹
Original assignee: Shaoxing Kunpeng Culture Communication Co ltd
Current assignee: Shaoxing Kunpeng Culture Communication Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-07-06
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a audio amplifier for under stage activity relates to audio amplifier technical field. This a audio amplifier for under stage activity, including the protective housing, one side inner wall fixed mounting of protective housing has fixed diaphragm, and the audio amplifier body has been placed at the top of fixed diaphragm, and one side inner wall fixed mounting of protective housing has the fixed plate, and the fixed plate has two sets ofly and is the symmetric distribution, and the inside of protective housing is provided with the movable plate. This a audio amplifier for under stage activity, through the fixed plate, the movable plate, the spout, the slider, electric telescopic handle, the telescope tube, a spring, the cooperation of base and universal wheel is used, on the one hand through the inside of withdrawing the protective housing with the universal wheel is automatic, the area of contact on protective housing and ground has been increased, make the inside equipment of protective housing can be stabilized in ground, on the other hand passes through the setting of telescope tube and spring, the vibrations that equipment produced at the in-process that removes have been reduced, the inside part of protective apparatus, the live time of equipment has been prolonged.

Description

A audio amplifier for under stage activity

Technical Field

The utility model relates to an audio amplifier technical field specifically is an audio amplifier for under stage activity.

Background

With the development of society and the continuous progress of science and technology, the quality of life of people is greatly improved, more and more equipment is accepted by people, a large number of large-scale stage activities exist at present, a sound box is most important for the stage activities, and the positioning, the placing mode and the orientation of the sound box can greatly influence the effect of the sound box.

Present partial stage audio amplifier all is that the staff manually moves the audio amplifier and places subaerial on the stage both sides usually, put in the position to the audio amplifier, need the staff to move audio amplifier shift position once more, because of the audio amplifier is heavier, it is more troublesome to make a round trip to move, cause certain damage to the part of audio amplifier inside easily at the in-process that removes, and staff's the amount of labour has been increased moreover, in addition, present partial stage audio amplifier does not all have rain-proof function, the life of audio amplifier has been reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a audio amplifier for under stage activity to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an audio amplifier for stage activity is down, the protective housing comprises a protective housing, one side inner wall fixed mounting of protective housing has fixed diaphragm, the audio amplifier body has been placed at the top of fixed diaphragm, one side inner wall fixed mounting of protective housing has the fixed plate, the fixed plate has two sets ofly and is the symmetric distribution, the inside of protective housing is provided with the movable plate, the bottom fixed mounting of movable plate has the telescope tube, the telescope tube has four groups and is the rectangular array and distributes, the spring is installed to telescope tube's outer wall cover, the one end of spring and the bottom fixed mounting of movable plate, telescope tube's one end fixed mounting has the base, the one end of spring and the top fixed mounting of base, the universal wheel is installed in the bottom rotation of base, the front side outer surface hinge of protective housing installs the door, four groups of openings have been seted up to.

Preferably, two sets of chutes are formed in the inner wall of one side of the fixed plate, the sliding blocks are arranged in the chutes in a sliding manner, the electric telescopic rods are fixedly arranged at the bottoms of the fixed transverse plates, the movable plate is fixedly arranged at one end of each electric telescopic rod, the sliding blocks are fixedly arranged on two sides of the movable plate, and the movable plate and the fixed plate are slidably arranged.

Preferably, a handle is fixedly arranged on the outer surface of the front side of the door, and an anti-slip sleeve is sleeved on the outer wall of the handle.

Preferably, a mesh enclosure is mounted on the front side of the door in an embedded manner.

Preferably, the top of the telescopic rod is fixedly provided with a handle, and the outer wall of the handle is provided with anti-skid grains.

Preferably, the inner walls of the two sides of the protective shell are fixedly provided with cushion pads, the top of the protective shell is provided with a placing groove, the inner wall of one side of the placing groove is hinged with a cover plate, and the top of the cover plate is provided with a handle.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this a audio amplifier for under stage activity, through the fixed plate, the movable plate, the spout, the slider, electric telescopic handle, the telescope tube, a spring, the cooperation of base and universal wheel is used, on the one hand through withdrawing the inside of protective housing with the universal wheel is automatic, make the bottom of protective housing support in ground, the area of contact of protective housing with ground has been increased, make audio amplifier equipment can be stabilized in ground, on the other hand passes through the setting of telescope tube and spring, the vibrations that audio amplifier equipment produced at the in-process that removes have been reduced, protect the inside part of audio amplifier equipment, the live time of audio amplifier equipment has been prolonged.

(2) This a audio amplifier for under stage activity, through the protective housing, fixed diaphragm, the cooperation of audio amplifier body and buffer pad is used, through the placing of audio amplifier body in the protective housing is inside, get getting of audio amplifier body, made things convenient for the maintenance to audio amplifier equipment, also make audio amplifier equipment can not receive drenching of rainwater in overcast and rainy weather, the audio amplifier body has been protected, the setting of buffer pad has avoided the audio amplifier body to receive the striking in the in-process that removes and stage vibrations, the effectual audio amplifier body that has protected.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a right side schematic view of the fixing plate of the present invention;

FIG. 3 is a schematic view of the universal wheel structure of the present invention;

fig. 4 is a bottom view of the present invention;

fig. 5 is a schematic structural view of the protective casing of the present invention;

fig. 6 is a front view of the present invention.

In the figure: 1 protective housing, 2 fixed diaphragm, 3 audio amplifier bodies, 4 fixed plates, 5 movable plates, 6 spout, 7 sliders, 8 electric telescopic handle, 9 telescopic tube, 10 springs, 11 bases, 12 universal wheels, 13 doors, 14 screen panels, 15 handles, 16 openings, 17 handle slots, 18 telescopic links, 19 handles, 20 blotters, 21 standing grooves, 22 apron.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a sound box used under stage activities comprises a protective shell 1, wherein a fixed transverse plate 2 is fixedly installed on the inner wall of one side of the protective shell 1, a sound box body 3 is placed on the top of the fixed transverse plate 2, the sound box body 3 is protected from rain and wind through the protective shell 1, the sound box body 3 is prevented from being drenched by rainwater, so that problems of sound box equipment are avoided, the service life of the sound box equipment is reduced, a fixed plate 4 is fixedly installed on the inner wall of one side of the protective shell 1, the fixed plate 4 is symmetrically distributed, a movable plate 5 is arranged inside the protective shell 1, telescopic sleeves 9 are fixedly installed at the bottom of the movable plate 5, the telescopic sleeves 9 are distributed in a rectangular array, springs 10 are installed on the outer wall of the telescopic sleeves 9 in a sleeved mode, one end of each spring 10 is fixedly installed with the bottom of the movable plate 5, a base 11 is fixedly installed at one end of, the bottom of base 11 is rotated and is installed universal wheel 12, and the front side surface outside of protective housing 1 articulates and installs door 13, and four group's openings 16 have been seted up to the bottom of protective housing 1, and handle groove 17 has been seted up at the top of protective housing 1, and the top fixed mounting of handle groove 17 has two sets of telescopic links 18.

Two groups of sliding grooves 6 are formed in the inner wall of one side of the fixed plate 4, sliding blocks 7 are arranged in the sliding grooves 6 in a sliding mode, an electric telescopic rod 8 is fixedly arranged at the bottom of the fixed transverse plate 2, a movable plate 5 is fixedly arranged at one end of the electric telescopic rod 8, sliding blocks 7 are fixedly arranged on two sides of the movable plate 5, the movable plate 5 and the fixed plate 4 are slidably arranged, the fixed plate 4, the movable plate 5, the sliding grooves 6, the sliding blocks 7, the electric telescopic rod 8, a telescopic sleeve 9, a spring 10, a base 11 and universal wheels 12 are matched for use, a worker stretches the telescopic rod 18 through a handle 19 to move the sound box equipment to a designated position of a stage, the electric telescopic rod 8 is started, the sliding blocks 7 on the movable plate 5 slide upwards in the fixed plate 4 through the expansion of the electric telescopic rod 8, the universal wheels 12 on the movable plate, the bottom of the protective shell 1 is abutted against the ground, the contact area of the protective shell 1 and the ground is increased, the sound box equipment can be stabilized on the ground, on the other hand, through the arrangement of the telescopic sleeve 9 and the spring 10, the vibration generated in the moving process of the sound box equipment is reduced, parts inside the sound box equipment are protected, the service life of the sound box equipment is prolonged, the handle 15 is fixedly arranged on the outer surface of the front side of the door 13, the anti-skidding sleeve is sleeved on the outer wall of the handle 15, the mesh enclosure 14 is embedded on the front side of the door 13, the handle 19 is fixedly arranged at the top of the telescopic rod 18, the anti-skidding threads are arranged on the outer wall of the handle 19, the sound box equipment can be pulled through the handle 19 aiming at people with different heights through the arrangement of the telescopic rod 18, the buffer cushions 20 are fixedly arranged on the inner walls of the two sides of the protective shell, the attacker has been seted up at apron 22's top, through protective housing 1, fixed diaphragm 2, loudspeaker box body 3 and buffer pad 20's cooperation is used, through loudspeaker box body 3 in the inside placing of protective housing 1, get to loudspeaker box body 3 and put, made things convenient for the maintenance to loudspeaker box equipment, also make loudspeaker box equipment can not receive drenching of rainwater when overcast and rainy weather, loudspeaker box body 3 has been protected, loudspeaker box body 3 has been avoided in-process that removes to set up of buffer pad 20 to receive the striking, effectual loudspeaker box body 3 has been protected.

The working principle is as follows: the staff removes the assigned position of stage with audio amplifier equipment through the tensile telescopic link 18 of handle 19, start electric telescopic handle 8, through electric telescopic handle 8 flexible, make slider 7 on the movable plate 5 upwards slide in the inside of fixed plate 4, make the inside that the protective housing 1 was withdrawed to the universal wheel on the movable plate 5, make the bottom of protective housing 1 contact with ground completely, make audio amplifier equipment more stable, when needs maintain the audio amplifier body, open door 13 through handle 15, it can to take out the audio amplifier body and maintain.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A audio amplifier for under stage activity, includes protective housing (1), its characterized in that: the loudspeaker box comprises a protective shell (1), wherein a fixed transverse plate (2) is fixedly arranged on the inner wall of one side of the protective shell (1), a loudspeaker box body (3) is placed at the top of the fixed transverse plate (2), a fixed plate (4) is fixedly arranged on the inner wall of one side of the protective shell (1), the fixed plate (4) is provided with two groups and is symmetrically distributed, a movable plate (5) is arranged inside the protective shell (1), telescopic sleeves (9) are fixedly arranged at the bottom of the movable plate (5), the telescopic sleeves (9) are provided with four groups and are distributed in a rectangular array, springs (10) are sleeved on the outer wall of the telescopic sleeves (9), one ends of the springs (10) are fixedly arranged with the bottom of the movable plate (5), a base (11) is fixedly arranged at one end of each telescopic sleeve (9), one ends of the springs (10) are fixedly arranged with the top of the base (11), universal wheels (12), four groups of openings (16) are formed in the bottom of the protective shell (1), a handle groove (17) is formed in the top of the protective shell (1), and two groups of telescopic rods (18) are fixedly mounted at the top of the handle groove (17).

2. An acoustic enclosure for stage activities according to claim 1, wherein: two sets of spouts (6) have been seted up to one side inner wall of fixed plate (4), and the inside slidable mounting of spout (6) has slider (7), and the bottom fixed mounting of fixed diaphragm (2) has electric telescopic handle (8), and the one end fixed mounting of electric telescopic handle (8) has movable plate (5), and the equal fixed mounting in both sides of movable plate (5) has slider (7), movable plate (5) and fixed plate (4) slidable mounting.

3. An acoustic enclosure for stage activities according to claim 1, wherein: the outer surface of the front side of the door (13) is fixedly provided with a handle (15), and the outer wall of the handle (15) is sleeved with an anti-slip sleeve.

4. An acoustic enclosure for stage activities according to claim 3, wherein: and a mesh enclosure (14) is embedded and installed on the front side of the door (13).

5. An acoustic enclosure for stage activities according to claim 1, wherein: the top of the telescopic rod (18) is fixedly provided with a handle (19), and the outer wall of the handle (19) is provided with anti-skid grains.

6. An acoustic enclosure for stage activities according to claim 1, wherein: the protective shell is characterized in that cushion pads (20) are fixedly mounted on inner walls of two sides of the protective shell (1), a placing groove (21) is formed in the top of the protective shell (1), a cover plate (22) is hinged to the inner wall of one side of the placing groove (21), and a buckle is formed in the top of the cover plate (22).