CN219659916U - Public address equipment with dustproof construction - Google Patents

Abstract

The utility model relates to the technical field of sound amplification and discloses sound amplifying equipment with a dustproof structure, which comprises a placing box, a sound amplifying box, a sliding chute, a protection component, a grabbing mechanism and a dustproof component.

Description

Public address equipment with dustproof construction

Technical Field

The utility model relates to the technical field of sound amplification, in particular to sound amplifying equipment with a dustproof structure.

Background

The sound amplifying equipment is a device capable of increasing the volume, so that a better transmission effect is achieved, the sound amplifying equipment is widely applied to various fields, and because the sound amplifying equipment is of an electric appliance structure, in order to avoid the influence of dust on a circuit, a dustproof structure is generally installed on the surface of the sound amplifying equipment.

In the chinese patent of the publication number CN218450415U of authorizing, a dustproof mechanism of loudspeaker box is disclosed, the device passes through dustproof stabilizing mean, the pulling slider is put loudspeaker box body into place on the board, loosen slider spring automatic re-setting and is with loudspeaker box body centre gripping, prevent that loudspeaker box body is impaired because of vibrations at the during operation, perhaps unstable easy empting when removing, through the extraction of fan to inside air, catch the dust through the dust absorption net, reduce and place the inside dust of case, help improving the dustproof effect of loudspeaker box body, and life is improved.

The following drawbacks exist in the above patents: when using the loudspeaker box of placing incasement portion, the cabinet door of closing makes the sound that the loudspeaker box was transferred unable with external air direct contact, only can carry out sound conduction through the box, but tone quality and the volume that loudspeaker equipment broadcast out can take place certain decline behind the box to influence user's experience of listening to, for this reason, proposes a loudspeaker equipment with dustproof construction.

Disclosure of Invention

The utility model aims to provide sound amplifying equipment with a dustproof structure, so as to solve the problem that when the sound amplifying box in the box is used by the existing device in the background technology, the closed cabinet door can not enable sound transmitted by the sound amplifying box to be in direct contact with external air and can only conduct sound through the box body, but the tone quality and the volume played by the sound amplifying equipment can be reduced to a certain extent after passing through the box body, so that the listening experience of a user is affected.

In order to achieve the above purpose, the utility model provides sound amplifying equipment with a dustproof structure, which comprises a placing box, a sound amplifying box, a sliding groove, a driving structure, a protection component, a grabbing mechanism and a dustproof component, wherein the sound amplifying box is placed in the placing box, the sliding groove is formed in the inner wall of the top of the placing box, the driving structure is arranged in the sliding groove, the driving structure is connected with the placing box, the protection component is arranged on the surface of the driving structure, the protection component is connected with the sliding groove and the sound amplifying box, the grabbing mechanism is arranged at the top of the placing box, and the dustproof component is arranged on the surface of the placing box.

Preferably, the driving structure comprises a rotating shaft, a rotating disc and a bolt, wherein the rotating shaft is arranged in the sliding groove, the end part of the rotating shaft penetrates through the side wall of the placement box, the rotating disc is fixed at the end part of the rotating shaft, the bolt penetrates through the internal thread of the rotating disc, and the end part of the bolt is tightly attached to the outer wall of the placement box.

Preferably, the protection assembly comprises a movable plate and a rubber pad, wherein the movable plate is connected to the surface of the rotating shaft, the side of the movable plate is tightly attached to the inner wall of the sliding groove, the rubber pad is fixed to the surface of the movable plate, and the rubber pad is attached to the side wall of the loudspeaker box.

Preferably, the surface of the rotating shaft is provided with two sections of threads with opposite directions, and the rotating shaft is in threaded connection with the movable plate.

Preferably, the grabbing mechanism comprises a carrying handle and a protection pad, the carrying handle is fixed on the top surface of the placement box, and the protection pad is nested on the surface of the carrying handle.

Preferably, the dustproof assembly comprises a threaded rod, a screw cap and a dustproof net, wherein the threaded rod is connected with the side wall of the placement box in a threaded manner, the screw cap is fixed at the end part of the threaded rod, the dustproof net is sleeved on the surface of the threaded rod in a threaded manner, and the dustproof net is connected with the placement box in a hinged manner.

Compared with the prior art, the technical scheme provided by the utility model has the following technical effects:

1. according to the utility model, through the mutual matching of the parts such as the placement box, the loudspeaker box, the sliding chute, the driving structure, the protection component and the like, the protection component is driven to work when the driving structure operates, so that the loudspeaker box is fixed, the loudspeaker box is prevented from being deviated due to sound vibration when in use or being toppled when in movement, the collision damage is caused, and the loudspeaker box is convenient to disassemble and overhaul.

2. According to the utility model, through the mutual matching of the grabbing mechanism, the dustproof component and other parts, the sound amplifying box can directly transmit sound to the outside through air when the equipment is used, so that the problem that the sound transmitted by the sound amplifying box cannot be directly contacted with the outside air when the traditional device is used for placing the sound amplifying box in the box, and only the sound transmission can be carried out through the box body, but the sound quality and the sound volume played by the sound amplifying equipment can be reduced to a certain extent after passing through the box body, and the listening experience of a user is affected is solved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic illustration of the front cross-section of the present utility model;

FIG. 3 is a schematic side sectional view of a dust keeper assembly of the present utility model;

fig. 4 is a schematic side view of the screw cap of the present utility model.

Reference numerals illustrate: 1. placing a box; 2. a sound amplifying box; 3. a chute; 4. a driving structure; 401. a rotating shaft; 402. a turntable; 403. a bolt; 5. a protective assembly; 501. a movable plate; 502. a rubber pad; 6. a grabbing mechanism; 601. a handle; 602. a protective pad; 7. a dust-proof assembly; 701. a threaded rod; 702. screwing the cover; 703. a dust-proof net.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "first," "second," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the utility model, which is defined by the claims, but rather by the claims, unless otherwise indicated, and that any structural modifications, proportional changes, or dimensional adjustments, which would otherwise be apparent to those skilled in the art, would be made without departing from the spirit and scope of the utility model.

Examples

In the chinese patent of the publication No. CN218450415U, when the loudspeaker box inside the placing box is used, the closed cabinet door makes the sound transmitted from the loudspeaker box unable to directly contact with the external air, and only can conduct sound through the box, but the tone quality and volume played by the loudspeaker device will drop to a certain extent after passing through the box, so as to affect the listening experience of the user.

Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a public address equipment with dustproof construction, including placing case 1, public address case 2, spout 3, drive structure 4, protection component 5, snatch mechanism 6, dustproof subassembly 7, the inside of placing case 1 has been placed and has been expanded audio amplifier 2, spout 3 has been seted up to the top inner wall of placing case 1, in order to provide the power supply for fixed operation, simultaneously in order to conveniently dismantle and expand audio amplifier 2 and overhaul, the inside of spout 3 is provided with pivot 401, the tip of pivot 401 is passed and is placed the lateral wall of case 1, the end fixing of pivot 401 has carousel 402, in order to avoid carousel 402 to rotate under the non-manpower control condition, lead to fixed lax, the internal thread of carousel 402 is run through and is had bolt 403, the tip of bolt 403 closely laminates with the outer wall of placing case 1.

In order to reduce the damage that the vibrations produced when expanding audio amplifier 2 during operation caused to oneself to and collide with when reducing the transport and cause its influence, the surface connection of pivot 401 has fly leaf 501, the avris of fly leaf 501 closely laminates with the inner wall of spout 3, the fixed surface of fly leaf 501 has rubber pad 502, the rubber pad 502 laminates each other with the lateral wall of loudspeaker 2, the surface of pivot 401 is provided with two sections opposite screw threads, pivot 401 and fly leaf 501 are threaded connection, for conveniently snatch and carry placing case 1, the top surface fixing of placing case 1 has carrying handle 601, carrying handle 601's surface nest has protection pad 602, in order to realize dustproof protection to loudspeaker 2, do not influence the normal conduction of sound, guarantee user's experience sense, the lateral wall threaded connection of placing case 1 has threaded rod 701, the tip of threaded rod 701 is fixed with spiral cover 702, the surface screw thread of threaded rod is cup jointed dust screen 703, dust screen 703 is hinged joint with placing case 1.

The model of the loudspeaker box 2 is D092 wooden loudspeaker box, and when in use, the lead wire can penetrate through the threading hole reserved on the surface of the placement box 1 and be connected with other external equipment.

The theory of operation or structure principle, when normal use, open and expand audio amplifier 2, its sound can reach the public address effect through the air conduction to because dust screen 703 surface reservation has the through-hole, so the quality and the volume of sound do not cause the loss, simultaneously, dust screen 703 can also intercept debris in the air, and then realize the dustproof protection to loudspeaker 2.

If the loudspeaker box 2 needs to be overhauled, a user can screw the threaded rod 701 through the screw cap 702 to enable the threaded rod 701 to be separated from the placing box 1, then the dustproof screen 703 is opened in a rotating mode, then the bolt 403 is rotated to enable the threaded rod to be separated from the outer wall of the placing box 1, the rotating disc 402 is continuously rotated, the rotating shaft 401 is driven to rotate, threads on the surface can drive the movable plate 501 to move away from each other in the rotating process of the rotating shaft 401, the clamping of the loudspeaker box 2 is released, and the user takes out the loudspeaker box 2 from the placing box 1.

The device has the advantages of good use effect, convenient maintenance and the like.

Thus, embodiments of the present utility model have been described in detail with reference to the accompanying drawings. It should be noted that, in the drawings or the text of the specification, implementations not shown or described are all forms known to those of ordinary skill in the art, and not described in detail. Furthermore, the above definitions of the components are not limited to the specific structures, shapes or modes mentioned in the embodiments, and may be simply modified or replaced by those of ordinary skill in the art.

Those skilled in the art will appreciate that the features recited in the various embodiments of the utility model and/or in the claims may be combined in various combinations and/or combinations, even if such combinations or combinations are not explicitly recited in the utility model. In particular, the features recited in the various embodiments of the utility model and/or in the claims can be combined in various combinations and/or combinations without departing from the spirit and teachings of the utility model. All such combinations and/or combinations fall within the scope of the utility model.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the utility model thereto, but to limit the utility model thereto, and any modifications, equivalents, improvements and equivalents thereof may be made without departing from the spirit and principles of the utility model.

Claims (6)

1. Public address equipment with dustproof construction, including placing case (1), public address case (2), spout (3), drive structure (4), protection component (5), snatch mechanism (6), dustproof component (7), its characterized in that: the utility model discloses a loudspeaker box, including box (1), spout (3) have been seted up to the inside of placing box (1), spout (3) are provided with drive structure (4) in the inside of spout (3), drive structure (4) and place box (1) interconnect, the surface mounting of drive structure (4) has protection component (5), protection component (5) and spout (3) and loudspeaker box (2) interconnect, the top of placing box (1) is provided with snatchs mechanism (6), the surface mounting of placing box (1) has dustproof subassembly (7).

2. A loudspeaker device with a dust-proof structure according to claim 1, characterized in that: the driving structure (4) comprises a rotating shaft (401), a rotating disc (402) and bolts (403), the rotating shaft (401) is arranged in the sliding groove (3), the end portion of the rotating shaft (401) penetrates through the side wall of the placement box (1), the rotating disc (402) is fixed at the end portion of the rotating shaft (401), the bolts (403) penetrate through the internal threads of the rotating disc (402), and the end portion of the bolts (403) is tightly attached to the outer wall of the placement box (1).

3. A loudspeaker device with a dust-proof structure as claimed in claim 2, characterized in that: the protection component (5) comprises a movable plate (501) and a rubber pad (502), the movable plate (501) is connected to the surface of the rotating shaft (401), the side of the movable plate (501) is tightly attached to the inner wall of the sliding groove (3), the rubber pad (502) is fixed to the surface of the movable plate (501), and the rubber pad (502) is attached to the side wall of the loudspeaker box (2).

4. A loudspeaker device with a dust-proof structure as claimed in claim 2, characterized in that: the surface of the rotating shaft (401) is provided with two sections of threads with opposite directions, and the rotating shaft (401) is in threaded connection with the movable plate (501).

5. A loudspeaker device with a dust-proof structure according to claim 1, characterized in that: the grabbing mechanism (6) comprises a carrying handle (601) and a protection pad (602), the carrying handle (601) is fixed on the top surface of the placement box (1), and the protection pad (602) is nested on the surface of the carrying handle (601).

6. A loudspeaker device with a dust-proof structure according to claim 1, characterized in that: dustproof subassembly (7) are including threaded rod (701), spiral cover (702) and dust screen (703), the lateral wall threaded connection who places case (1) has threaded rod (701), the tip of threaded rod (701) is fixed with spiral cover (702), dust screen (703) have been cup jointed to the surface screw thread of threaded rod (701), dust screen (703) are hinged joint with place case (1).