CN216217425U - Novel sound amplification type loudspeaker - Google Patents

Abstract

The utility model discloses a novel loudspeaker, which comprises an assembly plate, wherein a box body is fixedly connected to the lower side of the assembly plate, a shaft disc is rotatably embedded in the middle of the bottom side of the box body, a clamping fork is fixed on the shaft disc through screws, support plates are respectively arranged on two sides of the clamping fork, a loudspeaker body is rotatably embedded between the two support plates, angle adjusting discs are symmetrically arranged on two sides of the loudspeaker body, and a plurality of positioning holes are equidistantly formed in the angle adjusting discs by taking the central shaft direction as the center. The application adjustment is more flexible, and before the installation, the worker does not need to accurately measure the position of the open hole.

Description

Novel sound amplification type loudspeaker

Technical Field

The utility model relates to a loudspeaker, in particular to a novel sound amplification type loudspeaker, and belongs to the field of loudspeakers.

Background

In the audio-visual canopy, the pendulum position of loudspeaker is placed very carefully, for example: generally speaking, the closer the loudspeaker is to the rear wall, the richer and stronger the bass is, but neglecting the balance degree, the loudspeaker is pushed too close to the rear wall blindly, which causes the low frequency to be excessively convex, so that the high frequency is covered, and the bass can be changed into the bass with only a certain amount after losing the balance degree, therefore, most loudspeakers in the market should keep a certain distance from the rear wall, and as for the distance, there is no certain criterion, which is determined according to the matching of different loudspeakers with different environments;

loudspeaker are in the actual pendulum position in-process, and traditional public address formula horn bracket can not adjust the distance between loudspeaker and the loudspeaker back wall, and the angle change also only limits in making the adjustment in vertical plane, and this makes the staff have to accurately predetermine wall trompil position in advance to the directionality requirement of adaptation public address formula loudspeaker, for this the novel public address formula loudspeaker that provides are used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel sound amplifying type loudspeaker, and the novel sound amplifying type loudspeaker is used for solving the problems that the distance between a loudspeaker and a rear wall of the loudspeaker cannot be adjusted by a traditional sound amplifying type loudspeaker support provided in the background technology, and the angle change is only limited to be adjusted in a vertical plane, so that a worker has to accurately preset the position of a hole on the wall surface in advance to adapt to the directivity requirement of the sound amplifying type loudspeaker.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel public address formula loudspeaker, includes the assembly plate, the downside fixedly connected with box body of assembly plate, the bottom side middle part of box body is rotated and is inlayed and be equipped with the reel, the screw fixation has the fork on the reel, the extension board is all installed to the both sides of fork, two it inlays and is equipped with public address loudspeaker body to rotate between the extension board, the bilateral symmetry of public address loudspeaker body is provided with the angle modulation dish, use the center pin direction to be provided with a plurality of locating holes as central equidistance on the angle modulation dish, the locking subassembly is all installed to the tip of extension board, the locking subassembly is used for restricting the position of angle modulation dish.

Preferably, the cross-section of reel is "worker" style of calligraphy structure, a plurality of locking holes have been seted up to the upper portion outward flange equidistance of reel, the sliding cavity has been seted up to the box body and the one side that is located the reel, sliding fit is equipped with the pinion rack in the sliding cavity, one side meshing of pinion rack is connected with the gear, the gear with revolve wrong round pin fixed connection, revolve the other end of revolving the round pin and wear out the box body.

Preferably, the both sides symmetry of extension board has seted up the spout, spout inner wall equidistance has seted up a plurality of and has perforated, insert respectively in two spouts at the both ends of fork, just correspond to perforate on the fork and seted up a plurality of through-hole structure.

Preferably, a round hole is formed in one end of the support plate, a narrow hole is formed in one side of the round hole, and a limiting protrusion is fixedly connected to the edge of the narrow hole.

Preferably, the locking subassembly includes the guide arm, the guide arm slides to inlay and establishes in the narrow hole, the both ends difference fixedly connected with limiting plate and the pendulum plate of guide arm, the one end side fixedly connected with inserted bar of guide arm is kept away from to the pendulum plate, the inserted bar corresponds the setting with the locating hole, the outside cover that just is located the guide arm between limiting plate and the round hole wall is equipped with the spring.

Preferably, the four corners of the assembly plate are provided with mounting holes.

Compared with the prior art, the utility model has the beneficial effects that: according to the novel sound amplifying type loudspeaker, after the support plate is drawn out along the clamping fork, the support plate and the clamping fork are fixed through screws, the distance between the sound amplifying loudspeaker body and the loudspeaker wall body can be adjusted, a better effect can be achieved in the audio-visual shed through debugging, the box body, the shaft disc, the angle adjusting disc and the locking assembly are matched with each other, the orientation of the sound amplifying loudspeaker body can be adjusted randomly in a three-dimensional space, application and adjustment are more flexible, workers do not need to accurately measure the position of the opening before installation, and the efficiency of manufacturing the audio-visual shed is effectively improved.

Drawings

FIG. 1 is a schematic structural diagram of a novel loud-speaker according to the present invention;

FIG. 2 is a connecting structure diagram of a fork and a support plate in the novel loudspeaker of the present invention;

FIG. 3 is a side cross-sectional view of a novel loud-speaker of the present invention;

fig. 4 is an assembly view of a lock assembly in a novel loud-speaker according to the present invention.

In the figure: 1. assembling a plate; 101. mounting holes; 2. a box body; 201. a slide chamber; 202. a toothed plate; 203. a gear; 204. screwing the pin; 3. a reel; 301. a locking hole; 4. a clamping fork; 5. a support plate; 501. a chute; 502. perforating; 503. a circular hole; 504. a narrow hole; 505. a limiting bulge; 6. a loudspeaker body; 601. an angle adjusting disc; 602. positioning holes; 7. a locking assembly; 701. a guide bar; 702. a limiting plate; 703. a swinging plate; 704. inserting a rod; 705. a spring.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a novel public address formula loudspeaker, includes assembly plate 1, the downside fixedly connected with box body 2 of assembly plate 1, the bottom side middle part of box body 2 is rotated and is inlayed and be equipped with reel 3, the screw fixation has fork 4 on the reel 3, extension board 5, two are all installed to the both sides of fork 4 rotate between the extension board 5 and inlay and be equipped with public address loudspeaker body 6, the bilateral symmetry of public address loudspeaker body 6 is provided with angle modulation dish 601, use the center pin direction to be provided with a plurality of locating holes 602 as central equidistance on the angle modulation dish 601, locking subassembly 7 is all installed to the tip of extension board 5, locking subassembly 7 is used for restricting angle modulation dish 601's position, and box body 2, reel 3, angle modulation dish 601, locking subassembly 7 mutually support for loudspeaker body 6's orientation can be adjusted wantonly in three-dimensional space, and the application adjustment is more nimble.

Wherein, the cross-section of reel 3 is "worker" style of calligraphy structure, a plurality of locking holes 301 have been seted up to the upper portion outward flange equidistance of reel 3, slide chamber 201 has been seted up to the one side that just is located reel 3 in the box body 2, sliding fit is equipped with pinion rack 202 in the slide chamber 201, one side meshing of pinion rack 202 is connected with gear 203, gear 203 with revolve wrong round pin 204 fixed connection, revolve the other end of revolving round pin 204 and wear out box body 2, rotate reel 3 to expected angle after, revolve round pin 204 on, gear 203 rotates in step, can mesh pinion rack 202 and insert in the locking hole 301, can fix the position of reel 3.

Wherein, the bilateral symmetry of extension board 5 has seted up spout 501, spout 501 inner wall equidistance has seted up a plurality of and has perforated 502, insert respectively in two spouts 501 at the both ends of fork 4, just correspond perforation 502 on the fork 4 and seted up a plurality of through-hole structures, outside pull public address loudspeaker body 6, extension board 5 slides along fork 4, and after reaching the preset distance, utilize the bolt with extension board 5, 4 screw fixation of fork, can confirm loudspeaker from the wall distance.

The guide rod comprises a support plate 5, and is characterized in that a round hole 503 is formed in one end of the support plate 5, a narrow hole 504 is formed in one side of the round hole 503, a limiting protrusion 505 is fixedly connected to the edge of the narrow hole 504, and a groove is formed in the side wall of the guide rod 701 and matched with the limiting protrusion 505, so that the guide rod 701 can only move linearly.

The locking assembly 7 comprises a guide rod 701, the guide rod 701 is embedded in the narrow hole 504 in a sliding mode, two ends of the guide rod 701 are fixedly connected with a limiting plate 702 and a swinging plate 703 respectively, one end side face, far away from the guide rod 701, of the swinging plate 703 is fixedly connected with an inserting rod 704, the inserting rod 704 is arranged corresponding to the positioning hole 602, a spring 705 is sleeved between the limiting plate 702 and the wall of the round hole 503 and located on the outer side of the guide rod 701, the swinging plate 703 is pulled out outwards, the spring 705 compresses, the loudspeaker body 6 is rotated to a proper angle, after the swinging plate 703 is loosened, the inserting rod 704 can be inserted into the positioning hole 602 under the elastic force action of the spring 705, the angle adjusting disc 601 is prevented from continuing to rotate, and the purpose of limiting the orientation of the loudspeaker body 6 is achieved.

Mounting holes 101 are formed in four corners of the assembly plate 1, before mounting, an expansion cap is punched in through holes in the wall surface, and then the assembly plate 1 and the expansion cap are punched in the holes to form expansion screws.

Specifically, when the novel loudspeaker is used, after the shaft disc 3 is rotated to a desired angle, the screwing pin 204 is tightened, the gear 203 synchronously rotates, the toothed plate 202 can be engaged with and inserted into the locking hole 301 to fix the position of the shaft disc 3, the loudspeaker body 6 is pulled outwards, the support plate 5 slides along the fork 4 until a preset distance is reached, the bolt is used for fixing the support plate 5 and the fork 4 by screws to determine the distance between the loudspeaker and the wall, the swinging plate 703 is pulled outwards to compress the spring 705, the loudspeaker body 6 is rotated to a proper angle, after the swinging plate 703 is loosened, the inserted rod 704 is inserted into the positioning hole 602 under the elastic force of the spring 705 to prevent the angle adjusting disc 601 from continuously rotating to achieve the purpose of limiting the orientation of the loudspeaker body 6, the operation is convenient, a worker detects the audio-visual effect in the recording studio after the adjustment is finished, and if the adjustment is not satisfactory, the angle of the loudspeaker body 6 or the distance from the wall can be adjusted for the second time according to the requirement, and the loudspeaker is flexible and convenient.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a novel public address formula loudspeaker, includes the assembly plate, its characterized in that, the downside fixedly connected with box body of assembly plate, the bottom side middle part of box body is rotated and is inlayed and be equipped with the reel, the screw fixation has the fork on the reel, the extension board is all installed, two to the both sides of fork rotate between the extension board and inlay and be equipped with public address loudspeaker body, the bilateral symmetry of public address loudspeaker body is provided with the angle modulation dish, it is provided with a plurality of locating holes as central axis equidistance to use the center pin direction on the angle modulation dish, the locking subassembly is all installed to the tip of extension board, the locking subassembly is used for restricting the position of angle modulation dish.

2. The novel loud-speaker of claim 1, wherein: the cross-section of reel is "worker" style of calligraphy structure, a plurality of locking holes have been seted up to the upper portion outward flange equidistance of reel, the sliding chamber has been seted up to the one side that just is located the reel in the box body, sliding fit is equipped with the pinion rack in the sliding chamber, one side meshing of pinion rack is connected with the gear, the gear with revolve wrong round pin fixed connection, the other end of revolving wrong round pin is worn out the box body.

3. The novel loud-speaker of claim 1, wherein: the both sides symmetry of extension board has seted up the spout, spout inner wall equidistance has seted up a plurality of and has perforated, insert respectively in two spouts at the both ends of fork, just correspond to perforate on the fork and seted up a plurality of through-hole structure.

4. The novel loud-speaker of claim 1, wherein: a round hole is formed in one end of the support plate, a narrow hole is formed in one side of the round hole, and a limiting protrusion is fixedly connected to the edge of the narrow hole.

5. The novel loud-speaker of claim 1, wherein: the locking subassembly includes the guide arm, the guide arm slides to inlay and establishes in the slot, the both ends difference fixedly connected with limiting plate and the pendulum plate of guide arm, the one end side fixedly connected with inserted bar that the guide arm was kept away from to the pendulum plate, the inserted bar corresponds the setting with the locating hole, the outside cover that just is located the guide arm between limiting plate and the round hole wall is equipped with the spring.

6. The novel loud-speaker of claim 1, wherein: mounting holes are formed in four corners of the assembling plate.

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