CN216721569U - Novel take speaker of dustproof cap - Google Patents

Abstract

The utility model discloses a novel loudspeaker with a dust cap in the technical field of loudspeakers, which comprises a sound box and a loudspeaker body, wherein the loudspeaker body is fixedly arranged in the middle of the front side of the sound box through screws, the top of a core column in the loudspeaker body is provided with the dust cap, the middle of the front side of the sound box and positioned at the outer side of the loudspeaker body are fixedly provided with a flared T-shaped flange through screws, the front end of the outer wall of the T-shaped flange is embedded with a sealing ring, the T-shaped flange and the outer side of the sealing ring are tightly sleeved with a dust cap, the rear side of the outer wall of the dust cap is detachably sleeved with a locking device, the T-shaped flange is arranged at the outer side of the loudspeaker body and is connected with the dust cap through the sealing ring, so that dust is reduced and water is prevented from splashing on the loudspeaker body, the dust cap is extruded through two semicircular snap rings arranged on the locking device, the looseness of the dust cap and the dust inlet at a joint gap are prevented, and the dismounting and the mounting are convenient, does not affect the normal use of the loudspeaker and has market popularization prospect.

Description

Novel take speaker of dustproof cap

Technical Field

The utility model relates to the technical field of speakers, in particular to a novel speaker with a dustproof cap.

Background

A loudspeaker is a very common electroacoustic transducer device, which is found in sound producing electronic and electrical equipment. The loudspeaker is a transducer for converting an electric signal into an acoustic signal, and the quality of the loudspeaker has great influence on the sound quality. The loudspeaker is the weakest component in the audio equipment, and is the most important component for the audio effect. Loudspeakers are of a wide variety and vary widely in price. The audio frequency electric energy makes the paper cone or the diaphragm vibrate and generate resonance (resonance) with the surrounding air through electromagnetic, piezoelectric or electrostatic effect to make sound.

However, the existing loudspeaker cannot be used and stored for a long time in an environment with large dust for a long time, so that fine dust can be attached to the inside of the loudspeaker and can affect the tone quality of the loudspeaker to a certain extent, and therefore, in practical use, a loudspeaker with a dustproof function is needed to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel loudspeaker with a dustproof cap, which aims to solve the problem that the design of the loudspeaker with a dustproof function is needed in practical use proposed in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel loudspeaker with a dustproof cap comprises a sound box and a loudspeaker body, wherein the loudspeaker body is fixedly installed in the middle of the front side of the sound box through screws, the dustproof cap is arranged at the top of a core column in the loudspeaker body, a T-shaped flared flange is fixedly installed in the middle of the front side of the sound box and positioned outside the loudspeaker body through screws, a sealing ring is embedded in the front end of the outer wall of the T-shaped flange, dustproof covers are tightly sleeved on the outer sides of the T-shaped flange and the sealing ring, and a locking device is detachably sleeved on the rear side of the outer wall of each dustproof cover;

locking device includes two relative distribution's semicircle snap rings, one of them the both sides of semicircle snap ring are rotated and are installed the thread bush, the thread bush runs through in another through the unthreaded hole the semicircle snap ring, the inner of thread bush is fixed with the dog, another the both sides rear of semicircle snap ring all is fixed with the L template with thread bush outer wall sliding fit, the L template outside is rotated through the supporting seat and is installed the threaded rod of matcing grafting at the thread bush inner chamber, two upper portion runs through between the L template and rotates and install the drive shaft, both sides the tip of threaded rod all passes through bevel gear pair and actuating shaft connection, the rocking handle is installed to the outer end of drive shaft.

Preferably, the installation extrusion surface of the T-shaped flange is filled with a waterproof rubber ring through a round groove.

Preferably, the port of the dust cover is arranged in a horn shape.

Preferably, the two sides of the arc surface of the semicircular clamping ring are symmetrically penetrated and screwed with limiting bolts, and the limiting bolts are butterfly bolts.

Preferably, a ratchet wheel is fixed on the outer wall of the driving shaft close to the inner surface of the L-shaped plate, and a pawl clamped with the ratchet wheel is installed on the upper portion of the inner surface of the L-shaped plate in a damping mode.

Preferably, the outer surface of the rocking handle is coated with an antistatic coating.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the T-shaped flange is arranged on the outer side of the loudspeaker body and is connected with the dustproof cover through the sealing ring, so that dust is reduced from entering and water is prevented from splashing on the loudspeaker body, the dustproof cover is extruded through the two semicircular clamping rings arranged on the locking device, the dustproof cover is prevented from loosening and preventing dust from entering a gap at the joint, the disassembly and the assembly are convenient, the normal use of the loudspeaker is not influenced, and the loudspeaker has a market popularization prospect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a partial cross-sectional view of the connection between the dust cap and the T-flange of FIG. 1;

fig. 3 is a schematic structural view of the locking device in fig. 2.

In the drawings, the components represented by the respective reference numerals are listed below:

the loudspeaker comprises a loudspeaker body 1, a loudspeaker body 2, a dustproof cap 3, a T-shaped flange 4, a dustproof cover 5, a sealing ring 6, a locking device 7, a semicircular clamping ring 70, a threaded sleeve 71, a stop block 72, an L-shaped plate 73, a threaded rod 74, a driving shaft 75, a bevel gear pair 76 and a rocking handle 77.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 and 2, the present invention provides a technical solution: the utility model provides a novel take speaker of dustproof cap, including stereo set 1 and speaker body 2, speaker body 2 passes through screw fixed mounting at the positive middle part of stereo set 1, the top of stem is equipped with dustproof cap 3 among the speaker body 2, 1 positive middle part of stereo set just is located the speaker body 2 outside and has the T type flange 4 of flaring through screw fixed mounting, the outer wall front end of T type flange 4 is embedded to have a sealing washer 6, T type flange 4 and the 6 outside of sealing washer have closely cup jointed shield 5, and T type flange 4's installation compressive plane has the waterproof rubber circle through the packing of circle recess, increase the leakproofness, it gets into on the speaker body 2 to reduce water splatter, the outer wall rear side of shield 5 can be dismantled and cup jointed locking device 7, simultaneously shield 5's port sets to loudspeaker form, be convenient for aiming at and cup joint in T type flange 4 outer end.

Referring to fig. 3, the locking device 7 includes two semicircular snap rings 70 which are distributed oppositely, wherein both sides of one semicircular snap ring 70 are rotatably installed with a threaded sleeve 71, the threaded sleeve 71 penetrates the other semicircular snap ring 70 through a unthreaded hole, both sides of the cambered surface of the semicircular snap ring 70 are symmetrically penetrated and screwed with limit bolts, the limit bolts are butterfly bolts, meanwhile, a circular slideway is arranged on the outer wall of the dust cap 5, the butterfly bolts are inserted into the circular slideway, the dust cap 5 and the locking device 7 can be movably connected together for convenient and direct taking and use, a stop block 72 is fixed at the inner end of the threaded sleeve 71, an L-shaped plate 73 which is in sliding fit with the outer wall of the threaded sleeve 71 is fixed at the rear part of both sides of the other semicircular snap ring 70, a threaded rod 74 which is matched and inserted in the inner cavity of the threaded sleeve 71 is rotatably installed at the outer side of the L-shaped plate 73 through a support seat, and a driving shaft 75 is rotatably installed at the upper part between the two L-shaped plates 73, drive shaft 75 outer wall is close to L template 73 internal surface department and is fixed with the ratchet, the pawl with the ratchet joint is installed through the damping of the one-way pivot of torsional spring grafting in upper portion of the internal surface of L template 73, it is spacing to the ratchet through the pawl, and then it is fixed to keep drive shaft 75 position, prevent the maloperation, when using, the one-way pivot of installation on the pawl is outwards extracted, accomplish the separation of pawl and ratchet can, the tip of both sides threaded rod 74 all is connected with drive shaft 75 through bevel gear pair 76, rocking handle 77 is installed to the outer end of drive shaft 75, the surface coating of rocking handle 77 has antistatic coating, reduce static harm.

The working principle is as follows: through installing T type flange 4 in the loudspeaker body 2 outside, T type flange 4 passes through sealing washer 6 and is connected with shield 5, reduces the dust and gets into and prevent that water from splashing loudspeaker body 2 on, and shield 5 extrudees through two semicircle snap rings 70 that locking device 7 set up, prevents that it is not hard up and the junction gap advances grey, when using, can dismantle shield 5 through locking device 7, does not influence normal use, specifically does: utilize rocking handle 77 to rotate drive shaft 75, drive shaft 75 makes two threaded rods 74 rotate through bevel gear pair 76, and then thread bush 71 can be at threaded rod 74 outer wall back-and-forth movement, and threaded rod 74 rotates with the L template 73 on the semicircle snap ring 70 of rear side to be connected, thread bush 71 rotates with the semicircle snap ring 70 of front side to be connected, thread bush 71 runs through the semicircle snap ring 70 of rear side, and then the thread bush 71 that moves can change the distance between two semicircle snap rings 70, accomplishes the clamp to shield 5.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims (6)

1. The utility model provides a novel take speaker of dustproof cap, includes stereo set (1) and speaker body (2), its characterized in that: the loudspeaker body (2) is fixedly installed in the middle of the front face of the sound box (1) through screws, a dustproof cap (3) is arranged at the top of a core column in the loudspeaker body (2), a flared T-shaped flange (4) is fixedly installed in the middle of the front face of the sound box (1) and located on the outer side of the loudspeaker body (2) through screws, a sealing ring (6) is embedded in the front end of the outer wall of the T-shaped flange (4), the dustproof cover (5) is tightly sleeved on the outer sides of the T-shaped flange (4) and the sealing ring (6), and a locking device (7) is detachably sleeved on the rear side of the outer wall of the dustproof cover (5);

the locking device (7) comprises two semicircular clamping rings (70) which are oppositely distributed, wherein both sides of one semicircular clamping ring (70) are rotatably provided with a threaded sleeve (71), the threaded sleeve (71) penetrates through the other semicircular clamping ring (70) through a unthreaded hole, a stop block (72) is fixed at the inner end of the threaded sleeve (71), an L-shaped plate (73) which is in sliding fit with the outer wall of the threaded sleeve (71) is fixed at the rear part of two sides of the other semicircular snap ring (70), threaded rods (74) which are matched and spliced in inner cavities of the thread sleeves (71) are rotatably installed on the outer sides of the L-shaped plates (73) through supporting seats, driving shafts (75) are installed on the upper portions of the L-shaped plates (73) in a penetrating and rotating mode, the end portions of the threaded rods (74) are connected with the driving shafts (75) through bevel gear pairs (76), and rocking handles (77) are installed at the outer ends of the driving shafts (75).

2. The novel loudspeaker with the dust cap as claimed in claim 1, wherein: and the mounting extrusion surface of the T-shaped flange (4) is filled with a waterproof rubber ring through a round groove.

3. The novel loudspeaker with the dust cap as claimed in claim 1, wherein: the port of the dust cover (5) is arranged in a horn shape.

4. The novel loudspeaker with the dust cap as claimed in claim 1, wherein: limiting bolts are symmetrically connected to two sides of the arc surface of the semicircular clamping ring (70) in a penetrating and screwed mode, and butterfly bolts are adopted as the limiting bolts.

5. The novel loudspeaker with the dust cap as claimed in claim 1, wherein: the outer wall of the driving shaft (75) is fixed with a ratchet wheel close to the inner surface of the L-shaped plate (73), and a pawl clamped with the ratchet wheel is installed on the upper portion of the inner surface of the L-shaped plate (73) in a damping mode.

6. The novel loudspeaker with the dustproof cap as claimed in claim 1, characterized in that: the outer surface of the rocking handle (77) is coated with an antistatic coating.

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