CN218772320U

CN218772320U - Portable small-size audio amplifier

Info

Publication number: CN218772320U
Application number: CN202222337706.XU
Authority: CN
Inventors: 李少杰
Original assignee: Guizhou Jingyunwei Technology Co ltd
Current assignee: Guizhou Jingyunwei Technology Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-03-28
Anticipated expiration: 2032-09-02

Abstract

The utility model is suitable for an audio amplifier technical field provides a small-size audio amplifier convenient to carry, including audio amplifier main part and elevating system, the both sides of audio amplifier main part are provided with the universal wheel through elevating system, the equal fixedly connected with landing leg in both sides of audio amplifier main part bottom, the horizontal fixedly connected with baffle of inner chamber of audio amplifier main part, be provided with the drive mechanism of control elevating system work on the baffle, elevating system includes the screw lead screw, the screw lead screw rotationally vertical set up in the both sides of audio amplifier main part inner chamber. This small-size audio amplifier convenient to carry will drive the universal wheel through the connecting block and go up and down when the lead screw cover goes up and down to make the device can utilize the universal wheel to support when removing, and support through the landing leg when need not to remove, make the audio amplifier main part have portable function, make the audio amplifier main part can place on firm ground through the landing leg, thereby can not reduce tone quality because of the unstability of audio amplifier main part, improved the practicality.

Description

Portable small-size audio amplifier

Technical Field

The utility model belongs to the technical field of the audio amplifier, especially, relate to a small-size audio amplifier convenient to carry.

Background

The sound box is a very important component of the sound system, which is responsible for converting an electrical signal into a sound signal for direct listening by human ears.

Along with the progress of society and the development of science and technology, square dance love more and more be liked by the middle-aged and old people, and square dance utilizes the audio amplifier to broadcast the music during then, and then middle-aged and old people follow the music dance.

The audio amplifier that the square dance adopted adopts small-size audio amplifier usually for the ease of carrying, but still has certain weight, adopts portable mode still to have certain tired sense, for example CN 216700218U's the utility model discloses, this a portable's 5G communication bluetooth speaker, including audio amplifier body and fixed sleeve, sliding tray fixed mounting is in the inside of audio amplifier body, sliding tray inside slidable mounting has the pulling rod, the locking groove has been seted up on the inner wall of pulling rod, the top fixed mounting of pulling rod has the handle, fixed sleeve's inside fixed mounting has the fixed block, the inside slidable mounting of fixed block has the stop pin, the inboard fixed mounting of stop pin has reset spring. This 5G communication bluetooth speaker convenient to carry through the pulling handle, makes the handle pulling move the pole, and the pulling moves the pole and slides in the sliding tray, inserts the locking groove until the stop pin under reset spring's effect in inserting the locking groove of different positions, inserts the length that the pole was pulled out in the control pulling to drive the audio amplifier body through the pulling handle and remove, thereby reached portable's effect.

Utilize the mobilizable mode of audio amplifier to replace portable even can portable, but the sound production principle of audio amplifier is that the mode that adopts the vibration goes on, therefore the audio amplifier need place leveling firm ground when normal during operation, when adopting the wheel to support, then can appear the condition of bass decay because of the unstability of audio amplifier, greatly reduced broadcast tone quality.

SUMMERY OF THE UTILITY MODEL

The utility model provides a small-size audio amplifier convenient to carry aims at solving portable audio amplifier and can reduce the problem of tone quality.

The utility model is realized in such a way, a portable small-sized sound box comprises a sound box main body and a lifting mechanism, wherein, the two sides of the sound box main body are provided with universal wheels through the lifting mechanism, the two sides of the bottom of the sound box main body are both fixedly connected with supporting legs, the inner cavity of the sound box main body is transversely and fixedly connected with a clapboard, and the clapboard is provided with a transmission mechanism for controlling the working of the lifting mechanism;

the lifting mechanism comprises a threaded screw rod, the threaded screw rod is rotatably and vertically arranged on two sides of an inner cavity of the sound box main body, a screw rod sleeve is in threaded connection with the surface of the threaded screw rod, a connecting block is fixedly connected to the surface of the screw rod sleeve, and the bottom of the connecting block is connected with the universal wheel through a damping mechanism;

drive mechanism includes first dwang, first dwang is rotationally vertical to be set up in the centre department of baffle, the surface of baffle rotationally vertical run through be provided with screw lead screw fixed connection's second dwang, the fixed cover of surface of first dwang bottom is equipped with first sprocket, the top fixedly connected with of second dwang pass through the chain with the second sprocket that first sprocket transmission is connected.

Preferably, the bottom of audio amplifier main part inner chamber just is close to the vertical fixedly connected with slide of position department of screw lead screw, the inside slidable ground of slide be provided with lead screw cover fixed connection's slider.

Preferably, one side of the sound box main body is rotatably and transversely provided with a transmission rod in a penetrating mode, the top end of the first transmission rod is fixedly connected with a first bevel gear, and the other end of the transmission rod is fixedly connected with a second bevel gear in meshed connection with the first bevel gear.

Preferably, the both sides at audio amplifier main part top all incline fixedly connected with bracing piece, the rain cover that separates at audio amplifier main part top is located to the top fixedly connected with cover of bracing piece.

Preferably, the bottom of connecting block both sides all fixedly connected with hollow section of thick bamboo, the inside slidable vertical run through be provided with universal wheel top fixed connection's dead lever, the fixed surface of dead lever be connected with hollow section of thick bamboo inner wall fixed connection's buffer spring.

Preferably, the bottom of the connecting block is fixedly connected with a damping spring sleeved on the outer surface of the hollow cylinder, and the bottom of the damping spring is fixedly connected with the top of the universal wheel.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a small-size audio amplifier convenient to carry, setting through drive mechanism, can drive the second dwang through first sprocket and second sprocket when first dwang rotates and rotate, can drive the screw lead screw when the second dwang rotates and rotate, will drive the lead screw cover through the screw thread when the screw lead screw rotates and go up and down, will drive the universal wheel through the connecting block when the lead screw cover goes up and down and go up and down, thereby make the device can utilize the universal wheel to support when removing, and support through the landing leg when need not to remove, make the audio amplifier main part have handy function, because the audio amplifier main part during operation does not adopt the universal wheel to support, make the audio amplifier main part place in firm ground through the landing leg, thereby can not reduce tone quality because of the unstability of the audio amplifier main part, the practicality is improved.

Drawings

FIG. 1 is a schematic view of a front view of a partial section of the structure of the present invention;

FIG. 2 is a schematic side view of the connection block of the present invention;

fig. 3 is an enlarged schematic view of a structure at a in fig. 1 according to the present invention.

In the figure: 1. a main body of the sound box; 2. a threaded lead screw; 3. a screw rod sleeve; 4. connecting blocks; 5. a universal wheel; 6. a support leg; 7. a partition plate; 8. a first rotating lever; 9. a second rotating lever; 10. a first sprocket; 11. a second sprocket; 12. a slideway; 13. a slider; 14. a transmission rod; 15. a first bevel gear; 16. a second bevel gear; 17. a support bar; 18. a rain shield; 19. a hollow cylinder; 20. fixing the rod; 21. a buffer spring; 22. a shock-absorbing spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a small-size audio amplifier convenient to carry, includes audio amplifier main part 1 and elevating system, and the both sides of audio amplifier main part 1 are provided with universal wheel 5 through elevating system, and the equal fixedly connected with landing leg 6 in both sides of audio amplifier main part 1 bottom, the horizontal fixedly connected with baffle 7 of inner chamber of audio amplifier main part 1 are provided with the drive mechanism of control elevating system work on the baffle 7.

Utilize elevating system can control the height of universal wheel 5 to make the supporting mode of audio amplifier main part 1 can adopt the switching of universal wheel 5 and landing leg 6, utilize universal wheel 5 to support when removing, utilize landing leg 6 to support at the during operation, make audio amplifier main part 1 have portablely can not reduce tone quality.

Elevating system includes screw lead screw 2, and screw lead screw 2 rotationally vertically sets up in the both sides of 1 inner chamber of audio amplifier main part, and screw lead screw 2's surperficial threaded connection has lead screw cover 3, and the fixed surface of lead screw cover 3 is connected with connecting block 4, and damping mechanism is passed through to the bottom of connecting block 4 and is connected with universal wheel 5.

The screw rod sleeve 3 is driven to lift through the threads when the screw rod 2 rotates, and the universal wheel 5 is driven to lift through the connecting block 4 when the screw rod sleeve 3 lifts, so that the height of the universal wheel 5 is controlled, and the support mode is convenient to switch and use.

Drive mechanism includes first dwang 8, and first dwang 8 rotationally vertically sets up in the centre department of baffle 7, and baffle 7's surface rotationally vertically runs through be provided with 2 fixed connection's of screw lead screw second dwang 9, and the fixed surface cover of 8 bottoms of first dwang is equipped with first sprocket 10, and the top fixedly connected with of second dwang 9 passes through the second sprocket 11 that chain and first sprocket 10 transmission are connected.

When rotating, the first rotating rod 8 drives the first chain wheel 10 to rotate, when rotating, the first chain wheel 10 drives the second chain wheel 11 to rotate through a chain, when rotating, the second chain wheel 11 drives the threaded screw rod 2 to rotate through the second rotating rod 9, so that the two threaded screw rods 2 are controlled to synchronously rotate, and the synchronous lifting of the universal wheel 5 is realized.

Further, the bottom of the inner cavity of the sound box main body 1 and the position close to the threaded screw rod 2 are vertically and fixedly connected with a slide way 12, and a slide block 13 fixedly connected with the screw rod sleeve 3 is arranged in the slide way 12 in a slidable manner.

In this embodiment, the slide rail 12 can limit the screw boss 3 that is moved up and down by sliding the slider 13 inside.

Furthermore, a transmission rod 14 is rotatably and transversely arranged on one side of the sound box body 1 in a penetrating manner, a first bevel gear 15 is fixedly connected to the top end of the first rotation rod 8, and a second bevel gear 16 meshed with the first bevel gear 15 is fixedly connected to the other end of the transmission rod 14.

In this embodiment, when the transmission rod 14 rotates, the second bevel gear 16 will be driven to rotate, and when the second bevel gear 16 rotates, the first rotating rod 8 will be driven to rotate through the first bevel gear 15, so as to facilitate the control of the lifting and lowering of the universal wheel 5 by the operator.

Furthermore, both sides of the top of the sound box main body 1 are fixedly connected with support rods 17 in an inclined manner, and the top of each support rod 17 is fixedly connected with a rain shield 18 arranged on the top of the sound box main body 1.

In this embodiment, bracing piece 17 can play the effect of connecting, and rain shield 18 then can shelter from the top of audio amplifier main part 1 to under rainy weather, the rainwater can not get into audio amplifier main part 1's inside, prevents audio amplifier main part 1 because of the infiltration of rainwater the condition of appearing the damage, and rain shield 18's top can set up the handle, is convenient for mention the device in stair department.

Furthermore, the bottoms of the two sides of the connecting block 4 are fixedly connected with hollow cylinders 19, fixing rods 20 fixedly connected with the tops of the universal wheels 5 vertically penetrate through the insides of the hollow cylinders 19 in a slidable mode, and buffer springs 21 fixedly connected with the inner walls of the hollow cylinders 19 are fixedly connected to the surfaces of the fixing rods 20.

In the present embodiment, when the speaker body 1 is supported and moved by the universal wheel 5, the universal wheel 5 drives the fixing rod 20 to slide in the hollow tube 19 when encountering a bumpy ground, and then the damping spring 21 damps the shaking of the universal wheel 5, thereby protecting the speaker body 1.

Further, the bottom of the connecting block 4 is fixedly connected with a damping spring 22 sleeved on the outer surface of the hollow cylinder 19, and the bottom of the damping spring 22 is fixedly connected with the top of the universal wheel 5.

In the present embodiment, the damper springs 22 can further absorb shock when the universal wheels 5 shake, and improve the stability of the cabinet body 1 during movement.

The utility model discloses a theory of operation and use flow: when the device needs to be moved, firstly, the transmission rod 14 is rotated, when the transmission rod 14 rotates, the first bevel gear 15 is driven to rotate through the second bevel gear 16, when the first bevel gear 15 rotates, the first rotating rod 8 is driven to rotate, when the first rotating rod 8 rotates, the second rotating rod 9 is driven to rotate through the first chain wheel 10 and the second chain wheel 11, when the second rotating rod 9 rotates, the threaded lead screw 2 is driven to rotate, when the threaded lead screw 2 rotates, the lead screw sleeve 3 is driven to lift through the thread, when the lead screw sleeve 3 lifts, the universal wheel 5 is driven to lift through the connecting block 4, so that the bottom of the universal wheel 5 is in contact with the ground and supports the sound box main body 1, and the universal wheel 5 is used for supporting, so that the device can be moved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a small-size audio amplifier convenient to carry which characterized in that: the loudspeaker box comprises a loudspeaker box main body (1) and a lifting mechanism, wherein universal wheels (5) are arranged on two sides of the loudspeaker box main body (1) through the lifting mechanism, supporting legs (6) are fixedly connected to two sides of the bottom of the loudspeaker box main body (1), a partition plate (7) is transversely and fixedly connected to an inner cavity of the loudspeaker box main body (1), and a transmission mechanism for controlling the lifting mechanism to work is arranged on the partition plate (7);

the lifting mechanism comprises a threaded screw rod (2), the threaded screw rod (2) is rotatably and vertically arranged on two sides of an inner cavity of the sound box main body (1), a screw rod sleeve (3) is in threaded connection with the surface of the threaded screw rod (2), a connecting block (4) is fixedly connected to the surface of the screw rod sleeve (3), and the bottom of the connecting block (4) is connected with a universal wheel (5) through a damping mechanism;

drive mechanism includes first dwang (8), first dwang (8) rotationally vertically set up in the centre department of baffle (7), the surface of baffle (7) rotationally vertically run through be provided with screw lead screw (2) fixed connection's second dwang (9), the fixed cover of surface of first dwang (8) bottom is equipped with first sprocket (10), the top fixedly connected with of second dwang (9) pass through the chain with second sprocket (11) that first sprocket (10) transmission is connected.

2. A portable compact acoustic enclosure as claimed in claim 1, wherein: the bottom of audio amplifier main part (1) inner chamber just is close to the vertical fixedly connected with slide (12) of position department of screw lead screw (2), the inside slidable of slide (12) be provided with lead screw cover (3) fixed connection's slider (13).

3. A portable compact acoustic enclosure as claimed in claim 2, wherein: one side of the sound box main body (1) is rotatably and transversely provided with a transmission rod (14) in a penetrating mode, the top end of the first transmission rod (8) is fixedly connected with a first bevel gear (15), and the other end of the transmission rod (14) is fixedly connected with a second bevel gear (16) in meshed connection with the first bevel gear (15).

4. A portable compact acoustic enclosure as claimed in claim 1, wherein: the loudspeaker box is characterized in that supporting rods (17) are fixedly connected to two sides of the top of the loudspeaker box main body (1) in an inclined mode, and rain shielding covers (18) arranged at the top of the loudspeaker box main body (1) are covered with the top fixedly connected with of the supporting rods (17).

5. A portable compact acoustic enclosure as claimed in claim 1, wherein: the bottom of connecting block (4) both sides all fixedly connected with hollow section of thick bamboo (19), the inside slidable ground of hollow section of thick bamboo (19) vertically run through be provided with universal wheel (5) top fixed connection's dead lever (20), the fixed surface of dead lever (20) be connected with hollow section of thick bamboo (19) inner wall fixed connection's buffer spring (21).

6. A portable compact audio amplifier as claimed in claim 5, wherein: the bottom fixedly connected with cover of connecting block (4) is located damping spring (22) of hollow section of thick bamboo (19) surface, and damping spring (22) the bottom with the top fixed connection of universal wheel (5).