CN217406688U

CN217406688U - Loudspeaker capable of avoiding causing resonance of box body

Info

Publication number: CN217406688U
Application number: CN202220763406.5U
Authority: CN
Inventors: 周佑达
Original assignee: Guangdong Hanwei Electronics Co ltd
Current assignee: Guangdong Hanwei Electronics Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-09-09
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses an avoid arousing loudspeaker of box resonance, including the shell circle, the top of shell circle is fixed with the casing, and the top of casing installs the loudspeaker main part, the top of shell circle is provided with damping buffer structure, one side of shell circle top is fixed with the support, and the top of support installs electrical components, the top of shell circle is provided with the circuit connecting plate, and the outside between circuit connecting plate and the electrical components is provided with bunch structure, the bottom of shell circle is provided with the dust screen, and the outside of dust screen is provided with dismantles the structure. This loudspeaker are through being provided with screw, stopper and spacing groove when using, and the stopper is fixed in dust screen one side, and the spacing groove inlays to be established in shell ring inner wall one side, and during the dust screen installation, stopper and spacing groove joint, dust screen pass through the screw and under the cooperation of screw, with fixed mounting between dust screen and the shell ring, are convenient for dismantle the dust screen on the loudspeaker, clear up the accumulational dust in dust screen surface.

Description

Loudspeaker capable of avoiding causing resonance of box body

Technical Field

The utility model relates to a loudspeaker technical field specifically is a loudspeaker of avoiding arousing box resonance.

Background

Loudspeaker can enlarge sound as sound speaker, and later stage people assemble loudspeaker in speaker box top, and loudspeaker are along with society constantly develops, and loudspeaker technique is also improving and promoting constantly, and loudspeaker is also widely used simultaneously.

The loudspeaker on the market is various nowadays, can basically satisfy people's user demand, but still has certain problem:

1. the existing horn is inconvenient to disassemble and clean the dustproof net, and after the horn is used for a long time, dust is accumulated on the surface of the dustproof net and blocked in a through hole of the dustproof net, so that sound transmission is influenced;

2. the existing horn can generate vibration after the horn makes a sound, and the box body is driven to vibrate to generate noise during vibration;

3. the existing horn has a plurality of wire harness structures, is placed in a mess, occupies a large space, and causes low practicability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an avoid arousing resonant loudspeaker of box to solve the common loudspeaker that avoids arousing resonant box in the existing market that proposes in the above-mentioned background art, when using, the dust is piled up on the dust screen surface, and inconvenient dismantlement is washd the dust screen, influences the sound propagation, and the damping effect is not good, produces the noise during use and inconvenient bunch the connecting wire, reduces the problem of practicality.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an avoid arousing resonant loudspeaker of box, includes the shell circle, the top of shell circle is fixed with the casing, and the top of casing installs the loudspeaker main part, the top of shell circle is provided with damping buffer structure, one side of shell circle top is fixed with the support, and the top of support installs electrical components, the top of shell circle is provided with the circuit connecting plate, and the outside between circuit connecting plate and the electrical components is provided with the bunch structure, the bottom of shell circle is provided with the dust screen, and the outside of dust screen is provided with dismantles the structure.

Preferably, damping buffer structure includes blotter, buffer spring and preformed hole, the blotter sets up in the top of shell circle, the inside of blotter runs through there is the preformed hole, the top of blotter bottom and shell circle is provided with buffer spring.

Preferably, the buffer springs are distributed at the bottom of the buffer cushion in a ring shape, and the buffer cushion forms a reset structure through the buffer springs.

Preferably, the bunch structure includes buckle, draw-in groove and bunch coil, bunch coil sets up in the outside of bunch structure, the one end of bunch coil is fixed with the buckle, the draw-in groove has been seted up to the one end that bunch coil kept away from the buckle.

Preferably, the size of the clamping groove is matched with that of the buckle, and the clamping groove and the buckle are mutually clamped.

Preferably, the dismounting structure comprises a screw, a screw hole, a limiting block and a limiting groove, the limiting groove is embedded in the shell ring, the limiting block is fixed on one side of the dustproof net, the screw hole penetrates through one end of the dustproof net, and the screw is installed at one end of the screw hole.

Preferably, the size of the limiting groove is larger than that of the limiting block, and the limiting block and the limiting groove are mutually clamped.

Compared with the prior art, the beneficial effects of the utility model are that: the horn for avoiding the resonance of the box body,

1. the limiting block is fixed on one side of the dustproof net through the screw, the screw hole, the limiting block and the limiting groove, the limiting groove is embedded on one side of the inner wall of the shell ring, when the dustproof net is installed, the limiting block is clamped with the limiting groove, and the dustproof net is fixedly installed between the dustproof net and the shell ring under the matching of the screw hole and the screw, so that the dustproof net on the horn can be conveniently detached, and dust accumulated on the surface of the dustproof net can be cleaned;

2. the buffer cushion is arranged at the joint between the shell ring and the external box body, the buffer cushion extrudes the buffer spring, and the buffer cushion plays a role in buffering and damping to a certain extent under the action of the buffer spring;

3. through being provided with buckle, draw-in groove and beam coil, beam coil is the soft material preparation of plastic, with beam coil suit connecting wire outside, extrudees beam coil one end, and the buckle extrudees to the draw-in groove, and draw-in groove and buckle coincide completely, consequently restraints the connecting wire through beam coil, avoids the line to appear in disorder as far as possible, has realized loudspeaker and has restrainted the connecting wire.

Drawings

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

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

FIG. 3 is a schematic view of the bottom view of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 5 is a schematic view of a top-view cross-sectional structure of the beam coil of the present invention; fig. 6 is a schematic view of the three-dimensional structure of the dust screen of the present invention;

fig. 7 is an enlarged schematic view of the structure at B in fig. 3 according to the present invention.

In the figure: 1. a housing; 2. a vibration damping buffer structure; 201. a cushion pad; 202. a buffer spring; 203. reserving a hole; 3. a support; 4. an electrical component; 5. a wire harness structure; 501. buckling; 502. a card slot; 503. a beam coil; 6. a horn main body; 7. a shell ring; 8. a dust screen; 9. disassembling the structure; 901. a screw; 902. a screw hole; 903. a limiting block; 904. a limiting groove; 10. and a circuit connecting board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides an avoid arousing resonant loudspeaker of box, includes shell circle 7, the top of shell circle 7 is fixed with casing 1, and loudspeaker main part 6 is installed on casing 1's top, and the top of shell circle 7 is provided with damping buffer structure 2, and damping buffer structure 2 includes blotter 201, buffer spring 202 and preformed hole 203, and blotter 201 sets up in the top of shell circle 7, and the inside of blotter 201 runs through there is preformed hole 203, and blotter 201 bottom and shell circle 7's top is provided with buffer spring 202. The buffer springs 202 are distributed at the bottom of the buffer pad 201 in a ring shape, and the buffer pad 201 forms a reset structure through the buffer springs 202.

Referring to fig. 4, in the using process, when sound is emitted, vibration is generated to a certain degree, the buffer pad 201 attenuates the vibration force during vibration to reduce the vibration generated to the box body, and the vibration force is attenuated by the buffer spring 202, so that the resonance phenomenon of the box body caused by the sound emission can be avoided in the using process.

One side of shell circle 7 top is fixed with support 3, and electric components 4 are installed to support 3's top, and shell circle 7's top is provided with circuit connecting plate 10, and the outside between circuit connecting plate 10 and electric components 4 is provided with bunch structure 5, and bunch structure 5 includes buckle 501, draw-in groove 502 and bunch coil 503, and bunch coil 503 sets up in the outside of bunch structure 5, and the one end of bunch coil 503 is fixed with buckle 501, and the draw-in groove 502 has been seted up to the one end that bunch coil 503 kept away from buckle 501. The size of the clamping groove 502 is matched with that of the buckle 501, and the clamping groove 502 and the buckle 501 are mutually clamped.

Referring to fig. 5, after assembly, when the connecting wires are bundled, the bundling coil 503 is sleeved outside the connecting wires, the bundling coil 503 is extruded near one end of the clamping groove 502 and one end of the buckle 501, the diameter of the bundling coil 503 is gradually reduced during extrusion, the buckle 501 corresponds to the clamping groove 502, and the clamping groove 502 and the buckle 501 are completely clamped, so that the connecting wires can be bundled.

The bottom of shell circle 7 is provided with dust screen 8, and the outside of dust screen 8 is provided with dismantlement structure 9, dismantles structure 9 and includes screw 901, screw 902, stopper 903 and spacing groove 904, and spacing groove 904 inlays the inside of locating shell circle 7, and stopper 903 is fixed in one side of dust screen 8, and screw 902 runs through in the one end of dust screen 8, and screw 901 is installed to the one end of screw 902. The size of the limiting groove 904 is larger than that of the limiting block 903, and the limiting block 903 and the limiting groove 904 are clamped with each other.

Referring to fig. 3 and 7, after long-term use, dust is accumulated on the surface of the dust screen 8, when a plurality of holes are blocked, the dust screen 8 is detached and cleaned, when cleaning is performed, only one screw 901 is detached by means of a tool, the dust screen 8 is pulled out like one side, the limiting block 903 and the limiting groove 904 are separated, then the dust screen 8 is cleaned, and after cleaning is completed, the dust screen 8 and the shell ring 7 are installed.

The working principle is as follows: firstly, after assembly, the beam coil 503 is sleeved outside a plurality of connecting wires, the beam coil 503 is extruded, the inner diameter of the beam coil 503 is reduced, the buckle 501 is clamped with the clamping groove 502, the horn is connected with an external box body, when the horn is connected, the cushion pad 201 is jointed with the outer box body through the stud bolt which is matched with the preformed hole 203, when the loudspeaker is operated, sound is emitted to generate vibration, the vibration is weakened through the buffer cushion 201 and weakened again through the buffer spring 202, the vibration force is transmitted to the external box body when the vibration is reduced, so that the external box body is kept stable, after the loudspeaker is used for a long time, dust is accumulated on the surface of the dustproof net 8, the dust needs to be cleaned, the dust is prevented from blocking the through holes in the dustproof net 8, the phenomenon of reducing sound transmission occurs, when the dust is cleaned, the screw 901 is taken out in a rotating mode, the dustproof net 8 is disassembled, the dustproof net 8 is cleaned, and then the dustproof net 8 is installed.

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

Claims

1. The utility model provides an avoid arousing loudspeaker of box resonance, includes shell circle (7), its characterized in that: the utility model discloses a loudspeaker of transformer substation, including shell (7), shell (7) and support (3), the top of shell (7) is fixed with casing (1), and the top of casing (1) installs loudspeaker main part (6), the top of shell (7) is provided with damping buffer structure (2), one side of shell (7) top is fixed with support (3), and installs electrical components (4) above support (3), the top of shell (7) is provided with circuit connecting plate (10), and the outside between circuit connecting plate (10) and electrical components (4) is provided with bunch structure (5), the bottom of shell (7) is provided with dust screen (8), and the outside of dust screen (8) is provided with dismantlement structure (9).

2. The horn of claim 1, wherein: damping buffer structure (2) include blotter (201), buffer spring (202) and preformed hole (203), blotter (201) set up in the top of shell circle (7), the inside of blotter (201) is run through preformed hole (203), blotter (201) bottom is provided with buffer spring (202) with the top of shell circle (7).

3. The horn of claim 2, wherein: the buffer springs (202) are distributed at the bottom of the buffer pad (201) in an annular mode, and the buffer pad (201) forms a reset structure through the buffer springs (202).

4. The horn of claim 1, wherein: the wire harness structure (5) comprises a buckle (501), a clamping groove (502) and a beam coil (503), the beam coil (503) is arranged outside the wire harness structure (5), the buckle (501) is fixed at one end of the beam coil (503), and the clamping groove (502) is formed in one end, far away from the buckle (501), of the beam coil (503).

5. The horn of claim 4, wherein: the size of the clamping groove (502) is matched with that of the buckle (501), and the clamping groove (502) and the buckle (501) are mutually clamped.

6. The horn of claim 1, wherein: dismantle structure (9) and include screw (901), screw (902), stopper (903) and spacing groove (904), spacing groove (904) are inlayed and are located the inside of shell circle (7), stopper (903) are fixed in the one side of dust screen (8), screw (902) run through in the one end of dust screen (8), screw (901) are installed to the one end of screw (902).

7. The horn of claim 6, wherein: the size of spacing groove (904) is greater than the size of stopper (903), mutual joint between stopper (903) and spacing groove (904).