CN209930499U

CN209930499U - Stage lighting sound box

Info

Publication number: CN209930499U
Application number: CN201921194729.1U
Authority: CN
Inventors: 楼芸; 李梦涵; 韩琴娟; 徐信淡; 屠敏敏
Original assignee: Shaoxing Yidu Culture Co Ltd
Current assignee: Shaoxing Yidu Culture Co Ltd
Priority date: 2019-07-27
Filing date: 2019-07-27
Publication date: 2020-01-10
Anticipated expiration: 2029-07-27

Abstract

The utility model discloses a stage lighting audio amplifier relates to audio amplifier equipment technical field, aims at solving when rotating the audio amplifier that the cable can twine outside the audio amplifier, the phenomenon of the regulation of inconvenient audio amplifier, and its technical scheme main points are: including speaker and base, be provided with the interface that is used for the connecting cable on the base, the base side is provided with the take-up reel that is used for the rolling cable, and the top of base is equipped with the bearing frame, rotates on the bearing frame to be connected with hollow pivot, and the one end of pivot and the bottom fixed connection of speaker, the other end of pivot is equipped with the base in stretching into the base in, the top of base is equipped with the shaft hole that is used for the pivot to pass. The utility model relates to a stage lighting audio amplifier passes through the speaker and is connected with the base rotation, and the cable is connected at the interface of base, and when avoiding rotating the speaker, the cable winding is outside at the audio amplifier, accomodates unnecessary cable through the take-up reel, avoids the cable overlength to have the potential safety hazard.

Description

Stage lighting sound box

Technical Field

The utility model relates to an audio amplifier equipment technical field, more specifically say, it relates to a stage lighting audio amplifier.

Background

The sound box means sound other than human speech and music, and includes sound of natural environment, sound of animals, sound box of machine tools, various sounds generated by human motion, and the like. The sound box mainly comprises a power amplifier, peripheral equipment, a loudspeaker, a sound console, a microphone and the like, wherein the sound box is just sound output equipment, and along with the development of social economy and the improvement of life quality, the interest of people on music is increased, and the use of the sound box is more and more extensive.

Traditional speaker audio amplifier has the weak point in the use, and it does not set up wire winding mechanism, and is mixed and disorderly when leading to the cable to accomodate, uses very inconveniently at every turn, also can not accomodate well when the cable overlength and hide, greatly influences the pleasing to the eye degree of arranging in places such as stage, also causes the potential safety hazard.

To solve the above problems, the chinese patent with publication number CN208531931U discloses a speaker sound box convenient for winding wires, which has the technical essential that: comprises a sound box body with a long cable, a movable roller is arranged at the bottom end of the sound box body, ear seats are symmetrically fixed at the upper parts of the two side parts of the sound box body, the ear seat is rotatably connected with a U-shaped pull rod, the middle rod body of the pull rod is used as a gripper part, the outer ends of the two side rod bodies are respectively provided with a first sliding chute, the inner ends are provided with a second sliding chute, the first sliding groove and the second sliding groove are communicated with each other through a third sliding groove, the pull rod is fixed with a plurality of winding blocks along the length direction of the three sliding grooves, each winding block is composed of a U-shaped block body, a hook part, a screw rod and a nut, the block body is arranged in the first sliding groove, and both side ends are bent inwards to form hook parts, a screw rod penetrating through the third sliding groove is fixed on the back side of the middle part of the block body, the outside spiro union of screw rod has the nut that is located the second spout, the accomodate of the line body is realized through winding on the wire winding piece in proper order to the long cable.

Through having solved the cable overlength and having leaded to the mixed and disorderly condition of cable in the above-mentioned scheme on the wire winding piece with the line, but the cable can twine outside the audio amplifier when rotating the audio amplifier, the regulation of inconvenient audio amplifier.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a stage lighting audio amplifier rotates with the base through the speaker to be connected, and the cable is connected at the kneck of base, when avoiding rotating the speaker, and the cable winding is outside at the audio amplifier, accomodates unnecessary cable through the take-up reel, avoids the cable overlength to have the potential safety hazard.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a stage lighting audio amplifier, includes speaker and base, be provided with the interface that is used for the connecting cable on the base, the base side is provided with the take-up reel that is used for the rolling cable, the top of base is equipped with the bearing frame, it is connected with the pivot to rotate on the bearing frame, the one end of pivot and the bottom fixed connection of speaker, the other end of pivot stretches into in the base, be equipped with the base in the base, the top of base is equipped with the shaft hole that is used for the pivot to pass, the bottom of base is equipped with the cavity, shaft hole and cavity intercommunication, the top of cavity is rotated and is connected with the commentaries on classics piece, commentaries on classics piece and pivot fixed connection, one side that the pivot was kept away from.

By adopting the technical scheme, the cable interface of the sound box is arranged on the base, and the base is provided with the take-up reel, the cable is wound on the take-up reel, so that potential safety hazards caused by scattering of overlong cables outside the sound box are prevented, the base is rotatably connected with the loudspeaker through a hollow rotating shaft, the orientation of the loudspeaker can be changed only by rotating the loudspeaker, because the interface of the cable is arranged on the base, when the loudspeaker is rotated, the base is fixed, thereby preventing the cable from winding outside the sound box, and the loudspeaker is supported by the bearing seat, the bearing in the bearing seat can ensure that the rotating shaft rotates more stably and smoothly, then the rotating block is controlled to rotate by the braking component, because the rotating block is fixedly connected with the rotating shaft, the brake component limits the rotation of the rotating shaft so as to fix the rotation of the loudspeaker, thereby fixing the orientation of the sound box.

The utility model discloses further set up to: the brake assembly comprises a screw and a brake pad used for braking the rotating block, the brake pad is arranged in the cavity, the screw is in threaded connection with the bottom of the base, and the screw penetrates through the bottom of the base and is connected with the brake pad.

Through adopting above-mentioned technical scheme, when the speaker is rotatory when appointed orientation, thereby rotate the screw rod and make the tight commentaries on classics piece in brake block top restriction commentaries on classics piece rotate, because change piece and pivot fixed connection for the pivot can't take place to rotate under the braking of brake block, thereby realizes the fixed to the speaker orientation.

The utility model discloses further set up to: the top of base is equipped with circular-arc guide slot, be equipped with the guide block in the guide slot, guide block and pivot fixed connection.

Through adopting above-mentioned technical scheme, the guide block removes along with the pivot in the guide slot on base top, and through the cooperation of guide slot and guide block, makes pivot pivoted angle receive the restriction of guide slot, prevents that the speaker from rotating too much and leading to the electric wire of being connected between base and the speaker to take place winding phenomenon when rotatory speaker to avoid leading to the impaired normal use that influences equipment of electric wire because the electric wire excessively twines.

The utility model discloses further set up to: a plurality of arc-shaped convex parts are distributed on the side wall of the guide groove in an annular array mode, and one end, attached to the side wall of the guide groove, of the guide block is arc-shaped.

Through adopting above-mentioned technical scheme, annular array has a plurality of curved convex part respectively on the lateral wall of guide slot, and the pivot is rotated and is driven the guide block and remove in the guide slot, and the convex part is mutually supported with the guide block, when the orientation of adjustment speaker, need provide certain moment of torsion and just can rotate the speaker, can fix in advance the turned angle of speaker, prevents to fix the rotation angle of speaker in screwing up the screw rod with brake block top tight turning block, and the speaker is difficult for taking place to deflect.

The utility model discloses further set up to: the take-up reel comprises a winding drum for winding, wherein the two ends of the winding drum are fixedly connected with baffle plates, and a through hole for a cable to pass through is formed in the middle of the winding drum.

Through adopting above-mentioned technical scheme, through rotating the cable winding that the reel will pass the through-hole on the reel, the through-hole setting is at the middle part of reel, enables the cable at through-hole both ends and twines respectively on the both ends of reel, avoids the mixed and disorderly condition to appear in the cable of winding on the reel to influence the rolling and the unwrapping wire of cable.

The utility model discloses further set up to: the winding drum is characterized in that a shell is arranged outside the winding drum, the two ends of the winding drum are rotatably connected with the shell, a hand crank used for rotating the winding drum is connected to the outer side of the shell, and the hand crank is fixedly connected with one end of the winding drum.

Through adopting above-mentioned technical scheme, wave the hand rocker, make the cable winding on the reel, the casing that sets up outside the reel can protect the cable of winding on the reel to avoid exposing outside to can play the limiting displacement to the cable, prevent that the cable from breaking away from the outside from the reel.

To sum up, the utility model discloses following beneficial effect has:

the redundant cables outside the sound box are wound on the winding disc by shaking the hand-operated lever, the cables are well accommodated, the cables are prevented from being scattered on the surface of a stage, potential safety hazards are reduced, the bottom of the loudspeaker is rotationally connected with the base through the hollow rotating shaft, the loudspeaker can be rotated to adjust the orientation of the sound box, the cable is prevented from being wound outside the sound box when the loudspeaker is rotated due to the fact that the port of the cables is arranged on the base, the loudspeaker can be rotated only by providing certain torque when the rotating shaft drives the guide block to move in the guide groove through the arc-shaped convex part, the rotating angle of the loudspeaker can be pre-fixed, the brake block is tightly pressed against the rotating block through the adjusting screw rod, the rotating block is limited to rotate, the rotating block is meshed with one end of the rotating shaft, the rotating shaft cannot rotate under the limitation of the rotating block, the orientation of the loudspeaker is fixed, and the orientation of the loudspeaker is, the turned angle of restriction pivot avoids the rotatory too much electric wire that leads to being connected between the interface of speaker and base to appear twining and leads to the electric wire impaired to make the audio amplifier unable use.

Drawings

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

FIG. 2 is a schematic view of a partial structure of the present invention;

FIG. 3 is a schematic structural view of a take-up reel of the present invention;

fig. 4 is a schematic structural diagram of the base of the present invention, illustrating the structure of the guide groove and the guide block.

In the figure: 1. a speaker; 2. a base; 3. a rotating shaft; 4. an interface; 5. a take-up reel; 6. a hand lever; 7. a through hole; 8. a bearing seat; 9. a base; 10. a cavity; 11. rotating the block; 12. a screw; 13. a brake pad; 14. a guide groove; 15. a guide block; 16. a convex portion; 17. a reel; 18. a baffle plate; 19. a housing; 20. and the shaft hole.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Example (b): a stage lighting sound box is as shown in figures 1 to 4, one first sets a cavity 10 with a cylindrical diameter larger than the diameter of a rotating shaft 3 at the bottom of a base 9, then sets a shaft hole 20 matching with the diameter of the rotating shaft 3 from the top of the base 9, making the shaft hole 20 communicate with the cavity 10, then processes a cylindrical block made of metal or plastic into a rotating block 11 matching with the cavity 10, processes teeth meshing with each other on the rotating block 11 and the rotating shaft 3, then connects the rotating block 11 in the cavity 10 by rotating, making the side with the teeth correspond to the shaft hole 20, then places a brake block 13 at the side of the rotating block 11 far from the shaft hole 20, then installs the base 9 at the bottom of the base 2, then sets a threaded hole from the bottom of the base 2, and makes a screw 12 thread connect with the bottom of the base 2 by the threaded hole, one end of the screw 12 extends into the cavity 10 and bonds with the brake block 13, then fixing a bearing seat 8 on the top end of a base 2 through a bolt, fixedly connecting the bottom end of a loudspeaker 1 with a rotating shaft 3, then enabling the rotating shaft 3 to penetrate through the bearing seat 8 on the top end of the base 2 and extend into a base 9, enabling a rotating block 11 to be meshed with the rotating shaft 3, at the moment, welding a guide block 15 on the rotating shaft 3 and arranging the guide groove 14 on the top end of the base 9, a plurality of arc-shaped convex parts 16 are distributed on the side wall of the guide groove 14 in an annular array mode, one side, attached to the guide groove 14, of the guide block 15 is arc-shaped, so that when the rotating shaft 3 is rotated, the loudspeaker 1 can be rotated only with certain torque, a cable interface 4 of a sound box is arranged on the base 2, an electric wire connected between the interface 4 and the loudspeaker 1 penetrates through the hollow rotating shaft 3, a take-up reel 5 is arranged on the side surface of the base 2, the take-up reel 5 is composed of a winding drum, the both ends of reel 17 are rotated with casing 19 and are connected, then with the one end fixed connection of hand rocking bar 6 with reel 17 for can rotate reel 17 through rocking hand rocking bar 6, make the cable rolling on reel 17.

The working process is as follows: moving the sound box to a designated position, then passing the cable through the through hole 7 in the take-up reel 5, then shaking the hand lever 6 to wind the cable on the take-up reel 5, when the cable is taken up to a proper length, placing the take-up reel 5 on the side of the base 2 and connecting the cable to the interface 4 of the base 2, opening the sound box to adjust the sound-raising effect of the sound box, when the sound-raising direction of the sound box needs to be adjusted, loosening the screw 12 at the bottom end of the base 2 to separate the brake pad 13 from the rotary block 11, providing a torque to rotate the speaker 1, rotating the rotary shaft 3, moving the guide block 15 in the guide groove 14 at the moment, pressing the arc-shaped end of the guide block 15 and the convex part 16 on the side wall of the guide groove 14 mutually, needing a larger torque to rotate the rotary shaft 3, because the rotary block 11 is meshed with the rotary shaft 3, when the speaker 1 rotates to the designated direction, the screw 12 is rotated to drive the brake block 13 to tightly push against the rotating block 11 by the screw 12, and the rotating block 11 is braked by the brake block 13 and cannot rotate, so that the rotating shaft 3 meshed with the rotating block 11 cannot rotate, and the orientation of the loudspeaker 1 is fixed.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a stage lighting audio amplifier which characterized in that: comprises a loudspeaker (1) and a base (2), wherein an interface (4) for connecting a cable is arranged on the base (2), a take-up reel (5) for winding the cable is arranged on the side surface of the base (2), a bearing seat (8) is arranged at the top end of the base (2), a hollow rotating shaft (3) is rotatably connected onto the bearing seat (8), one end of the rotating shaft (3) is fixedly connected with the bottom end of the loudspeaker (1), the other end of the rotating shaft (3) extends into the base (2), a base (9) is arranged in the base (2), a shaft hole (20) for the rotating shaft (3) to pass through is arranged at the top end of the base (9), a cavity (10) is arranged at the bottom end of the base (9), the shaft hole (20) is communicated with the cavity (10), a rotating block (11) is rotatably connected at the top end of the cavity (10), and the rotating block (11) is fixedly connected with the rotating, and a braking component for limiting the rotation of the rotating block (11) is arranged on one side of the rotating block (11) far away from the rotating shaft (3).

2. A stage lighting sound box according to claim 1, wherein: the brake assembly comprises a screw rod (12) and a brake pad (13) used for braking the rotating block (11), the brake pad (13) is arranged in the cavity (10), the screw rod (12) is in threaded connection with the bottom end of the base (2), and the screw rod (12) penetrates through the bottom end of the base (2) and is connected with the brake pad (13).

3. A stage lighting sound box according to claim 2, wherein: the top of base (9) is equipped with circular-arc guide slot (14), be equipped with guide block (15) in guide slot (14), guide block (15) and pivot (3) fixed connection.

4. A stage lighting sound box according to claim 3, wherein: a plurality of arc-shaped convex parts (16) are distributed on the side wall of the guide groove (14) in an annular array mode, and one end, attached to the side wall of the guide groove (14), of the guide block (15) is arc-shaped.

5. A stage lighting sound box according to claim 4, characterized in that: the take-up reel (5) comprises a winding drum (17) for winding, two ends of the winding drum (17) are fixedly connected with baffle plates (18), and a through hole (7) for a cable to pass through is formed in the middle of the winding drum (17).

6. A stage lighting sound box according to claim 5, wherein: reel (17) outside is equipped with casing (19), the both ends and casing (19) of reel (17) are rotated and are connected, casing (19) outside is connected with hand cranking bar (6) that are used for rotating reel (17), the one end fixed connection of hand cranking bar (6) and reel (17).