CN218920568U

CN218920568U - Dust-free vehicle-mounted loudspeaker

Info

Publication number: CN218920568U
Application number: CN202221394736.8U
Authority: CN
Inventors: 翁伟; 张颖; 朱剑峰; 何康
Original assignee: Dongtai Pengmei Electronic Industry Co ltd
Current assignee: Dongtai Pengmei Electronic Industry Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2023-04-25
Anticipated expiration: 2032-06-07

Abstract

The utility model discloses a dust-free vehicle-mounted loudspeaker, which comprises a loudspeaker body, a protective cover and a dust screen, wherein a plurality of shockproof grooves are formed in two sides of the loudspeaker body, a shockproof assembly is arranged in each shockproof groove, the protective cover is arranged on the outer wall of the loudspeaker body, sealing blocks matched with the outer wall of the loudspeaker body are welded on the inner side of the protective cover, the dust screen is arranged on the inner side of the protective cover, a plurality of sliding grooves are formed in the inner side wall of the protective cover, arc-shaped telescopic blocks are arranged in the sliding grooves, a second spring is sleeved on the outer wall of each arc-shaped telescopic block, the outer wall of each second spring is connected with the outer wall of the protective cover, a plurality of grooves are formed in one side, close to the protective cover, of each loudspeaker body, sliding rods are transversely welded in the grooves, and the device is provided with arc-shaped telescopic blocks which are pulled outwards, so that the dust screen at the protective cover is conveniently separated from the loudspeaker body.

Description

Dust-free vehicle-mounted loudspeaker

Technical Field

The utility model relates to the technical field of loudspeakers, in particular to a dust-free vehicle-mounted loudspeaker.

Background

The speakers are of various types, and according to the transduction principle, the speakers can be divided into electric type (namely moving coil type), electrostatic type (namely capacitance type), electromagnetic type (namely reed type), piezoelectric type (namely crystal type) and the like, and the latter two types are widely used in rural wired broadcasting networks, and according to the frequency range, the speakers can be divided into low-frequency speakers, medium-frequency speakers and high-frequency speakers, and the speakers are commonly used as combined speakers in sound boxes.

However, the existing dust-free vehicle-mounted speaker has the following problems in the use process: because the dust screen is as the consumptive material in the speaker, need frequent clearance, and the dust screen is installed in the inside of speaker, inconvenient to replace the dust screen for operating personnel needs a large amount of time to replace the dust screen, then work efficiency is not high, in addition, the speaker volume is too big, and vibrations appear easily, and the speaker receives outside striking easily, and the condition of damage appears, then influences its self life.

Disclosure of Invention

The utility model aims to provide a dust-free vehicle-mounted loudspeaker so as to solve the problems that the dust screen is inconvenient to replace and a shockproof mechanism is not needed in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dustless vehicle-mounted loudspeaker, includes speaker body, protection casing and dust screen, a plurality of grooves of taking precautions against earthquakes have been seted up to the both sides of speaker body, and take precautions against earthquakes the inside in groove and be provided with the subassembly that takes precautions against earthquakes, the outer wall of speaker body sets up the protection casing, and the inboard welding of protection casing has with speaker body outer wall assorted sealing block, the inboard of protection casing is provided with the dust screen, a plurality of spouts have been seted up to the inboard lateral wall of protection casing, and the inside of spout is provided with the flexible piece of arc, the flexible piece outer wall cover of arc is equipped with the second spring, and the second spring outer wall is connected with the outer wall of protection casing, a plurality of recesses have been seted up to one side that the speaker body is close to the protection casing, and the inside transverse welding of recess has the slide bar, the outer wall of slide bar is provided with the arc intermediate block, and the outer wall assorted of arc intermediate block outer wall and arc flexible piece.

Preferably, the shockproof assembly comprises a guide rod and a sliding block, the guide rod is longitudinally arranged in the shockproof groove, the sliding block is arranged on the outer wall of the guide rod, one side of the sliding block is hinged with a supporting plate, the outer walls of the supporting plates are hinged with each other, one side of the supporting plate is hinged with a moving block, and the outer wall of the moving block is matched with the inner part of the shockproof groove.

Preferably, the outer wall of the guide rod is sleeved with a first spring, and the outer wall of the first spring is connected with the inside of the shockproof groove.

Preferably, the outer wall of the moving block is provided with a rubber block, and the outer wall of the rubber block is attached to the protective cover.

Preferably, the arc stopper is installed to one side of recess, and arc stopper outer wall and the outer wall phase-match of the flexible piece of arc.

Preferably, a third spring is sleeved on the outer wall of the sliding rod, and one side of the third spring is connected with the outer wall of the arc-shaped middle block.

Compared with the prior art, the utility model provides the dust-free vehicle-mounted loudspeaker, which has the following beneficial effects:

1. according to the utility model, the outer side of an operator pulls the arc-shaped telescopic block to be extruded with the outer wall of the arc-shaped middle block, so that the arc-shaped telescopic block moves in the sliding groove to extrude the second spring, the second spring is contracted, and meanwhile, the arc-shaped telescopic block is pulled outwards to separate the arc-shaped telescopic block from the arc-shaped middle block, so that the dust screen at the protective cover is conveniently separated from the loudspeaker body.

2. According to the utility model, the protective cover extrudes the movable block through extrusion, the movable block drives the supporting plate to extrude the sliding blocks at two sides, and meanwhile, the sliding blocks extrude the outer wall of the first spring, so that the movable block is driven to reset under the action of the self elasticity of the first spring, and a good shock absorption and buffering effect is achieved.

Drawings

FIG. 1 is a front cross-sectional view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is an enlarged view of FIG. 1 at A in accordance with the present utility model;

fig. 4 is a right side view of the present utility model.

In the figure: 1. a speaker body; 2. a shockproof groove; 3. a protective cover; 4. a sealing block; 5. a dust screen; 6. a guide rod; 7. a slide block; 8. a first spring; 9. a support plate; 10. a moving block; 11. a rubber block; 12. a chute; 13. an arc-shaped telescopic block; 14. a second spring; 15. a groove; 16. an arc-shaped limiting block; 17. a slide bar; 18. a third spring; 19. arc middle block.

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.

Embodiment 1, as shown in fig. 1-2, the present utility model provides a technical solution: the dust-free vehicle-mounted loudspeaker comprises a loudspeaker body 1, a protective cover 3 and a dust screen 5, wherein a plurality of vibration-proof grooves 2 are formed in two sides of the loudspeaker body 1, vibration-proof components are arranged in the vibration-proof grooves 2 and comprise guide rods 6 and sliding blocks 7, the guide rods 6 are longitudinally arranged in the vibration-proof grooves 2, the outer walls of the guide rods 6 are provided with sliding blocks 7, one sides of the sliding blocks 7 are hinged with supporting plates 9, the outer walls of the supporting plates 9 are hinged with one another, one sides of the supporting plates 9 are hinged with moving blocks 10, the outer walls of the moving blocks 10 are matched with the inner parts of the vibration-proof grooves 2, first springs 8 are sleeved on the outer walls of the guide rods 6, the outer walls of the first springs 8 are connected with the inner parts of the vibration-proof grooves 2, rubber blocks 11 are arranged on the outer walls of the moving blocks 10 and are attached to the protective cover 3, the outer walls of the rubber blocks 11 are subjected to external impact through the protective cover 3, so that the moving blocks 10 are extruded by the protective cover 3, the supporting plates 9 are driven to be extruded to the sliding blocks 7 on two sides, and meanwhile the sliding blocks 7 are extruded on the outer walls of the first springs 8, and the moving blocks 10 are driven to reset under the action of elasticity of the first springs 8, so that good vibration-proof effects are achieved.

In example 2, as shown in fig. 1-4, the present utility model provides a technical solution: the dustless vehicle-mounted loudspeaker comprises a loudspeaker body 1, the outer wall of which comprises a loudspeaker body 3, and the inner side of which is welded with a sealing block 4 matched with the outer wall of the loudspeaker body 1, a dustproof net 5 is arranged on the inner side of which is provided with a plurality of sliding grooves 12, a third spring 18 is arranged in the sliding grooves 12, a second spring 14 is sleeved on the outer wall of the arc-shaped telescopic block 13, the outer wall of the second spring 14 is connected with the outer wall of the protective cover 3, a plurality of grooves 15 are formed in one side, close to the protective cover 3, of the loudspeaker body 1, sliding rods 17 are transversely welded in the grooves 15, arc-shaped middle blocks 19 are arranged on the outer wall of the sliding rods 17, the outer wall of the arc-shaped middle blocks 19 is matched with the outer wall of the arc-shaped telescopic block 13, an arc-shaped limiting block 16 is arranged on one side of each groove 15, the outer wall of each arc-shaped limiting block 16 is matched with the outer wall of the arc-shaped telescopic block 13, the outer wall of each sliding rod 17 is sleeved with a third spring 18, one side of each third spring 18 is connected with the outer wall of each arc-shaped middle block 19, the arc-shaped telescopic block 13 is extruded with the outer wall of each arc-shaped middle block 19 through pulling outwards, the arc-shaped telescopic block 13 is extruded in each sliding groove 12, a plurality of grooves 14 are transversely, the outer spring 14 is extruded, the outer side of each second spring 13 is matched with the outer wall of the corresponding sliding grooves 12, and the outer spring 13, and the outer spring 13 is matched with the outer wall, and the outer side 13, and the outer spring 13 is matched with the outer side 13, and the outer wall 13 side 13 is matched with the outer side 13.

Working principle: firstly, the loudspeaker body 1 and the protective cover 3 are installed and fixed to prevent dust, the protective cover 3 is required to drive the sealing block 4 to be inserted into the outer wall of the loudspeaker body 1, meanwhile, the protective cover 3 drives the arc-shaped telescopic block 13 to be extruded with the outer wall of the arc-shaped limiting block 16, the arc-shaped telescopic block 13 is extruded to move towards the inside of the sliding groove 12, the second spring 14 is elastically contracted, at the moment, the arc-shaped telescopic block 13 moves to a position between the arc-shaped middle block 19 and the arc-shaped limiting block 16, the arc-shaped telescopic block 13 cannot be extruded and moved out through the right angle position of the outer wall of the arc-shaped telescopic block 13 and one side of the arc-shaped limiting block 16, the installation effect is achieved, meanwhile, the arc-shaped middle block 19 extrudes the arc-shaped telescopic block 13 under the self elastic force of the third spring 18, so that the arc-shaped telescopic block 13 is fixed in the position of the groove 15, the structure is convenient for rapidly installing and fixing the protective cover 3 in the inner position of the loudspeaker body 1, meanwhile, when the protective cover 3 is extruded, the protective cover 3 extrudes the moving block 10, the supporting plate 9 is driven by the moving block 9 to extrude the sliding block 7 towards the sliding blocks 7 at two sides, and the sliding block 7, at the same time, the sliding block 7 is extruded by the sliding block 7, and the outer wall of the first spring 8 is extruded, the moving block 10 is driven to reset under the self elastic force of the first spring 8, so as to achieve good damping effect;

when the dust screen 5 needs to be detached and replaced, the shield 3 and the loudspeaker body 1 are required to be separated, the inner side of the loudspeaker body 1 is firstly moved, the outer wall of the arc-shaped telescopic block 13 and the outer wall of the arc-shaped middle block 19 are extruded, then the arc-shaped telescopic block 13 moves to the other side of the arc-shaped middle block 19 under the action of the second spring 14, at the moment, the shield 3 is pulled outwards, the arc-shaped telescopic block 13 is driven to extrude the arc-shaped middle block 19, the arc-shaped middle block 19 is attached to the right-angle position of the arc-shaped limiting block 16, the arc-shaped telescopic block 13 and the outer wall of the arc-shaped middle block 19 are extruded outwards through increasing force, the arc-shaped telescopic block 13 moves in the chute 12 to extrude the second spring 14, the second spring 14 is contracted, and meanwhile, the arc-shaped telescopic block 13 is separated from the arc-shaped middle block 19 through the outer side of the arc-shaped shield 3 and the loudspeaker body 1.

Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The utility model provides a dustless on-vehicle speaker, includes speaker body (1), protection casing (3) and dust screen (5), its characterized in that: a plurality of shockproof slots (2) are formed in two sides of the loudspeaker body (1), shockproof components are arranged in the shockproof slots (2), a protective cover (3) is arranged on the outer wall of the loudspeaker body (1), sealing blocks (4) matched with the outer wall of the loudspeaker body (1) are welded on the inner side of the protective cover (3), a dustproof net (5) is arranged on the inner side of the protective cover (3), a plurality of sliding grooves (12) are formed in the inner side wall of the protective cover (3), arc-shaped telescopic blocks (13) are arranged in the sliding grooves (12), the outer wall of the arc-shaped telescopic block (13) is sleeved with a second spring (14), the outer wall of the second spring (14) is connected with the outer wall of the protective cover (3), a plurality of grooves (15) are formed in one side, close to the protective cover (3), of the loudspeaker body (1), sliding rods (17) are transversely welded in the grooves (15), arc-shaped middle blocks (19) are arranged on the outer wall of the sliding rods (17), and the outer wall of the arc-shaped middle blocks (19) is matched with the outer wall of the arc-shaped telescopic block (13).

2. A dust-free vehicle-mounted speaker as claimed in claim 1, wherein: the anti-vibration assembly comprises a guide rod (6) and a sliding block (7), the guide rod (6) is longitudinally arranged in the anti-vibration groove (2), the sliding block (7) is arranged on the outer wall of the guide rod (6), a supporting plate (9) is hinged to one side of the sliding block (7), the outer walls of the supporting plate (9) are hinged to each other, a moving block (10) is hinged to one side of the supporting plate (9), and the outer wall of the moving block (10) is matched with the inner portion of the anti-vibration groove (2).

3. A dust-free vehicle-mounted speaker as claimed in claim 2, wherein: the outer wall of the guide rod (6) is sleeved with a first spring (8), and the outer wall of the first spring (8) is connected with the inside of the shockproof groove (2).

4. A dust-free vehicle-mounted speaker as claimed in claim 2, wherein: the outer wall of the moving block (10) is provided with a rubber block (11), and the outer wall of the rubber block (11) is attached to the protective cover (3).

5. A dust-free vehicle-mounted speaker as claimed in claim 1, wherein: an arc-shaped limiting block (16) is arranged on one side of the groove (15), and the outer wall of the arc-shaped limiting block (16) is matched with the outer wall of the arc-shaped telescopic block (13).

6. A dust-free vehicle-mounted speaker as claimed in claim 1, wherein: the outer wall of the sliding rod (17) is sleeved with a third spring (18), and one side of the third spring (18) is connected with the outer wall of the arc-shaped middle block (19).