CN212785701U

CN212785701U - Loudspeaker damping device

Info

Publication number: CN212785701U
Application number: CN202021640942.3U
Authority: CN
Inventors: 栗存茂
Original assignee: Beijing Lanqing Technology Co ltd
Current assignee: Beijing Lanqing Technology Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-03-23
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a speaker damping device, the on-line screen storage device comprises a base, the upper portion of base is provided with the recess, and the inside bottom surface fixed mounting of recess has servo motor. Has the advantages that: the utility model discloses a protection casing, when needs are cleaned the dust screen, remove the dust screen, drive first ring baffle, synchronous motion is to second ring baffle and first fixed plate, at the in-process that removes, utilize first pivot, second pivot and third pivot fifty percent discount rubber brush board and connecting plate, when the brush end of rubber brush board runs through the dust screen, rotate the dust screen, can clean whole dust screen this moment, at this in-process, two sets of expanding spring are in compression state, when clean finishing, can loosen the dust screen, two sets of expanding spring receive self spring action, support the dust screen and resume the normal position, dust cover through setting up, can clean the dust screen under the condition of not dismantling the dust screen, bring the facility for speaker damping device's clean use.

Description

Loudspeaker damping device

Technical Field

The utility model relates to a speaker shock attenuation technical field particularly, relates to a speaker damping device.

Background

The loudspeaker is a transducing device which converts the electrical signal into the acoustic signal, the performance of the loudspeaker has great influence on the tone quality, the loudspeaker is the weakest device in the sound equipment, and for the sound effect, the loudspeaker is the most important part, when the loudspeaker is used in practice, the loudspeaker damping device is used by the necessary requirement, the loudspeaker is protected by damping, and the practical use has the advantages of good damping effect, high safety performance, convenient installation and the like.

Traditional speaker damping device, when using for a long time, the protection network is infected with the dust easily or flies the wadding, when needs are cleared up the dust that is infected with or the wadding that flies, the protection casing needs to be dismantled, this complex operation, bring inconvenience for speaker damping device's clean use, secondly, speaker damping device's service environment is complicated, when using speaker damping device in humid environment for a long time, external damping spring surface can drop steam, and then damping spring's corrosion with higher speed, speaker damping device's life has been reduced.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a speaker damping device possesses the advantage that can clean the dust screen, prevent damping spring surface contact steam under the condition of not dismantling the dust screen, and then solves the problem among the above-mentioned background art.

(II) technical scheme

For realize the above-mentioned advantage that can clean the dust screen, prevent damping spring surface contact steam under the condition of not dismantling the dust screen, the utility model discloses a concrete technical scheme as follows:

the utility model provides a speaker damping device, includes the base, the upper portion of base is provided with the recess, and the inside bottom surface fixed mounting of recess has servo motor to servo motor's output fixed mounting has the carousel, the upper portion fixed mounting of carousel has U type rotating turret, and the axle sleeve is installed through the pivot in the inside of U type rotating turret, the lateral wall fixed mounting of axle sleeve has the shock attenuation frame, and the both sides of shock attenuation frame all are provided with the ring screw hole of stepping down, and two sets of the inside of the ring screw hole of stepping down all installs the protecting tube, and is two sets of install the speaker shell between the protecting tube, and the terminal surface of speaker shell installs the dust cover, control switch group is installed to the lateral wall of base, the lower part of base is provided with two sets.

Furthermore, a limiting circular hole plate is fixedly installed on the inner side wall of the dust cover, a dust cover is slidably installed at the opening of the dust cover, a first circular ring baffle and a second circular ring baffle are fixedly installed on the side wall of the dust cover, two groups of telescopic springs are fixedly installed between the limiting circular hole plate and the first circular ring baffle, a first fixing plate is fixedly installed on the lower portion of the second circular ring baffle, a first rotating shaft is rotatably installed on the end face of the first fixing plate in a penetrating manner, a rubber brush plate is rotatably installed at one end of the first rotating shaft in a sleeved manner, a second rotating shaft is rotatably installed on the end face of one end of the rubber brush plate in a penetrating manner, a second fixing plate and a connecting plate are rotatably installed on the side wall of the second rotating shaft in a sleeved manner, a third rotating shaft is rotatably installed on the end face of one end of the connecting plate in a penetrating manner, a third fixing plate is rotatably installed on the, the inner bottom surface of the dust cover is provided with a through hole.

Further, the length of the rubber brush plate is larger than the length of the radius of the cross section of the dustproof net.

Further, it is two sets of the equal fixed mounting in intermediate position of the ring screw hole of stepping down has damping spring, and two sets of damping spring's the equal fixed mounting in one end has the rubber buffer, and two sets of the one end fixed mounting of rubber buffer has rubber push rod, and is two sets of rubber push rod's one end respectively with the both sides fixed connection of speaker shell, two sets of the one end lateral wall of protecting tube all is provided with and two sets of the external screw thread of the ring screw hole intermeshing of stepping down.

Furthermore, the vertical section lengths of the two groups of rubber plugs are the same as the vertical section lengths of the two groups of the inner parts of the protection tubes.

Furthermore, batteries are installed inside the two groups of battery grooves.

Further, the length of the cross section of the rotary disc is the same as that of the cross section of the opening of the groove.

Furthermore, the control switch group is electrically connected with the servo motor and the battery through electric wires.

(III) advantageous effects

Compared with the prior art, the utility model provides a speaker damping device possesses following beneficial effect:

(1) the utility model discloses a protection casing, when needs are cleaned the dust screen, remove the dust screen, drive first ring baffle, synchronous motion is to second ring baffle and first fixed plate, at the in-process that removes, utilize first pivot, second pivot and third pivot fifty percent discount rubber brush board and connecting plate, when the brush end of rubber brush board runs through the dust screen, rotate the dust screen, can clean whole dust screen this moment, at this in-process, two sets of expanding spring are in compression state, when clean finishing, can loosen the dust screen, two sets of expanding spring receive self elastic action, support the dust screen and resume the normal position, dust cover through setting up, can clean the dust screen under the condition of not dismantling the dust screen, bring the facility for speaker damping device's clean use.

(2) The utility model discloses a protective tube, when speaker damping device receives external collision, remove two sets of rubber push rods and two sets of rubber plugs about, utilize two kinds of damping spring's elasticity, play the shock attenuation guard action to the speaker shell, when in humid environment, because two sets of protective tubes, two sets of damping spring of the unable contact of outside steam, avoid because of the long-time contact steam of two sets of damping spring, the condition that leads to self corrosion with higher speed takes place, utilize two sets of ring screw holes and two sets of external screw thread intermeshing of stepping down, in the same direction as, two sets of protective tubes of counter-clockwise turning, can accomplish the dismouting operation of two sets of protective tubes, protective tube through the setting, prevent two sets of damping spring's surface contact steam, speaker damping device's life has been improved.

Drawings

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

Fig. 1 is a schematic structural diagram of a loudspeaker damping device provided by the present invention;

FIG. 2 is a schematic structural view of the protection tube of the present invention;

fig. 3 is a schematic view of the internal structure of the protective cover of the present invention;

fig. 4 is an enlarged view of a in fig. 1 according to the present invention.

In the figure:

1. a base; 2. a groove; 3. a servo motor; 4. a turntable; 5. a U-shaped rotating frame; 6. a shaft sleeve; 7. a shock-absorbing frame; 8. a abdicating circular threaded hole; 9. a protective tube; 10. a speaker housing; 11. a dust cover; 12. a control switch group; 13. a battery case; 14. A rubber push rod; 15. limiting the round hole plate; 16. a first annular baffle; 17. a second annular baffle; 18. a tension spring; 19. a first fixing plate; 20. a first rotating shaft; 21. a rubber brush plate; 22. a second rotating shaft; 23. a second fixing plate; 24. a connecting plate; 25. a third rotating shaft; 26. a third fixing plate; 27. a through hole; 28. a damping spring; 29. an external thread; 30. a rubber plug; 31. a dust screen.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a speaker damping device.

Referring now to the drawings and the detailed description, as shown in fig. 1-4, a speaker damping device according to an embodiment of the present invention comprises a base 1, a groove 2 is provided on an upper portion of the base 1, a servo motor 3 is fixedly mounted on an inner bottom surface of the groove 2, a turntable 4 is fixedly mounted on an output end of the servo motor 3, a U-shaped rotating frame 5 is fixedly mounted on an upper portion of the turntable 4, a shaft sleeve 6 is mounted inside the U-shaped rotating frame 5 through a rotating shaft, a damping frame 7 is fixedly mounted on a side wall of the shaft sleeve 6, abdicating ring threaded holes 8 are provided on both sides of the damping frame 7, protective tubes 9 are mounted inside the two abdicating ring threaded holes 8, a speaker housing 10 is mounted between the two protective tubes 9, a dust cover 11 is mounted on an end surface of the speaker housing 10, and a control switch group 12 is mounted on a side wall of the base 1, the lower part of the base 1 is provided with two groups of battery slots 13, and the servo motor 3, the turntable 4, the U-shaped rotating frame 5, the shock absorption frame 7 and the control switch group 12 are all of the existing structures and are not described in detail herein.

In one embodiment, a limiting circular hole plate 15 is fixedly installed on the inner side wall of the dust cover 11, a dust cover 31 is slidably installed at the opening of the dust cover 11, a first circular ring baffle 16 and a second circular ring baffle 17 are fixedly installed on the side wall of the dust cover 31, two sets of expansion springs 18 are fixedly installed between the limiting circular hole plate 15 and the first circular ring baffle 16, a first fixing plate 19 is fixedly installed on the lower portion of the second circular ring baffle 17, a first rotating shaft 20 is rotatably installed on the end surface of the first fixing plate 19 in a penetrating manner, a rubber brush plate 21 is rotatably installed on one end of the first rotating shaft 20 in a sleeved manner, a second rotating shaft 22 is rotatably installed on the end surface of one end of the rubber brush plate 21 in a penetrating manner, a second fixing plate 23 and a connecting plate 24 are rotatably installed on the side wall of the second rotating shaft 22, a third rotating shaft 25 is rotatably installed on the end surface of one end of the connecting, and the lower part of the third fixing plate 26 is fixedly connected with the inner bottom surface of the dust cover 11, the inner bottom surface of the dust cover 11 is provided with a through hole 27, when the dust cover 31 needs to be cleaned, the dust cover 31 is moved to drive the first ring baffle 16, the second ring baffle 17 and the first fixing plate 19 to synchronously move, the rubber brush plate 21 and the connecting plate 24 are folded in half by using the first rotating shaft 20, the second rotating shaft 22 and the third rotating shaft 25 in the moving process, when the brush end of the rubber brush plate 21 penetrates through the dust cover 31, the dust cover 31 is rotated, the whole dust cover 31 can be cleaned at the moment, in the process, the two sets of telescopic springs 18 are in a compressed state, when the cleaning is finished, the dust cover 31 can be loosened, the two sets of telescopic springs 18 are under the self elastic force to abut against the dust cover 31 to return to the original position, and the dust cover 31 can be cleaned under the condition that the dust cover 31 is not detached by the dust cover 11, the loudspeaker damping device brings convenience to the cleaning and the use of the loudspeaker damping device.

In one embodiment, the length of the rubber brush plate 21 is greater than the length of the radius of the cross section of the dust screen 31, so as to avoid that the surface of the dust screen 31 is left with a certain position and cannot be cleaned due to the over-small length of the rubber brush plate 21.

In one embodiment, the damping springs 28 are fixedly installed at the middle positions of the two sets of abdicating circular threaded holes 8, one ends of the two sets of damping springs 28 are fixedly installed with rubber plugs 30, one ends of the two sets of rubber plugs 30 are fixedly installed with rubber push rods 14, one ends of the two sets of rubber push rods 14 are respectively fixedly connected with the two sides of the loudspeaker shell 10, the side wall of one end of each of the two sets of protection tubes 9 is provided with external threads 29 which are meshed with the two sets of abdicating circular threaded holes 8, when the loudspeaker damping device is impacted by the outside, the two sets of rubber push rods 14 and the two sets of rubber plugs 30 are moved left and right, the elasticity of the two damping springs 28 is utilized to play a damping protection role for the loudspeaker shell 10, when in a humid environment, the outside moisture can not contact the two sets of damping springs 28 due to, the condition that leads to self to accelerate the corrosion takes place, utilizes two sets of ring screw holes 8 and two sets of external screw thread 29 intermeshing of stepping down, and in the same direction as, two sets of protective tubes 9 of anticlockwise rotation can accomplish the dismouting operation of two sets of protective tubes 9, through the protective tube 9 that sets up, prevents two sets of damping spring 28's surface contact steam, has improved speaker damping device's life.

In one embodiment, the vertical section length of the two sets of rubber plugs 30 is the same as the vertical section length of the inside of the two sets of protection tubes 9, so that the phenomenon that the two sets of rubber push rods 14 shake in the inside of the two sets of protection tubes 9 respectively due to the fact that the vertical section lengths of the two sets of rubber plugs 30 are too small is avoided.

In one embodiment, both sets of battery slots 13 have batteries mounted therein that provide power for use of the servo motor 3.

In one embodiment, the length of the cross section of the rotary disc 4 is the same as that of the cross section at the opening of the groove 2, so that external dust is prevented from entering the inner part of the groove 2 through the gap between the rotary disc 4 and the groove 2 due to the fact that the length of the cross section of the rotary disc 4 is too small.

In one embodiment, the control switch set 12 is electrically connected to the servo motor 3 and the battery through wires, and the control switch set 12 functions to control the operation of the servo motor 3.

The working principle is as follows:

when the loudspeaker damping device is used, the servo motor 3 is controlled to work through the control switch group 12, the transverse angle adjustment of the loudspeaker damping device can be completed, the U-shaped rotating frame 5, the shaft sleeve 6 and the rotating shaft are matched with each other, the vertical angle adjustment of the loudspeaker damping device can be completed, when the dustproof net 31 needs to be cleaned, the dustproof net 31 is moved to drive the first circular baffle plate 16, the second circular baffle plate 17 and the first fixing plate 19 to synchronously move, in the moving process, the rubber hairbrush plate 21 and the connecting plate 24 are folded through the first rotating shaft 20, the second rotating shaft 22 and the third rotating shaft 25, when the hairbrush end of the rubber hairbrush plate 21 penetrates through the dustproof net 31, the dustproof net 31 is rotated, the whole dustproof net 31 can be cleaned, in the process, the two groups of telescopic springs 18 are in a compressed state, when the cleaning is performed, the dustproof net 31 can be loosened, and the two groups of telescopic springs 18 are completely acted by self elasticity, the dustproof net 31 is abutted to restore the original position, the dustproof net 31 can be cleaned under the condition of not disassembling the dustproof net 31 through the arranged dustproof cover 11, convenience is brought to the cleaning and the use of the loudspeaker damping device, meanwhile, when the loudspeaker damping device is collided by the outside, two groups of rubber push rods 14 and two groups of rubber plugs 30 are moved left and right, the damping protection effect is realized on the loudspeaker shell 10 by utilizing the elasticity of two damping springs 28, when in a humid environment, because two groups of protective tubes 9, the outside steam can not contact two groups of damping springs 28, the corrosion of self acceleration caused by the long-time contact of the two groups of damping springs 28 with the steam is avoided, two groups of abdicating ring threaded holes 8 are mutually meshed with two groups of external threads 29, the two groups of protective tubes 9 are rotated clockwise and anticlockwise, the dismounting operation of the two groups of protective tubes 9 can be completed, and the surface contact of the two groups of damping, the service life of the loudspeaker damping device is prolonged.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "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; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A loudspeaker damping device is characterized by comprising a base (1), wherein a groove (2) is formed in the upper portion of the base (1), a servo motor (3) is fixedly installed on the inner bottom surface of the groove (2), a rotary disc (4) is fixedly installed at the output end of the servo motor (3), a U-shaped rotary frame (5) is fixedly installed on the upper portion of the rotary disc (4), a shaft sleeve (6) is installed inside the U-shaped rotary frame (5) through a rotary shaft, a damping frame (7) is fixedly installed on the side wall of the shaft sleeve (6), abdicating ring threaded holes (8) are formed in the two sides of the damping frame (7), protective tubes (9) are installed inside the abdicating ring threaded holes (8), a loudspeaker shell (10) is installed between the protective tubes (9), and a dust cover (11) is installed on the end face of the loudspeaker shell (10), the side wall of the base (1) is provided with a control switch group (12), and the lower part of the base (1) is provided with two groups of battery slots (13).

2. The loudspeaker shock-absorbing device according to claim 1, wherein a limiting circular hole plate (15) is fixedly installed on the inner side wall of the dust cover (11), a dust screen (31) is slidably installed at the opening of the dust cover (11), a first circular ring baffle (16) and a second circular ring baffle (17) are fixedly installed on the side wall of the dust screen (31), two sets of expansion springs (18) are fixedly installed between the limiting circular hole plate (15) and the first circular ring baffle (16), a first fixing plate (19) is fixedly installed on the lower portion of the second circular ring baffle (17), a first rotating shaft (20) is rotatably installed on the end surface of the first fixing plate (19), a rubber brush plate (21) is rotatably installed on one end of the first rotating shaft (20), a second rotating shaft (22) is rotatably installed on the end surface of the rubber brush plate (21), and the lateral wall of second pivot (22) cup joints and installs second fixed plate (23) and connecting plate (24), the one end terminal surface of connecting plate (24) runs through to rotate and installs third pivot (25), and the lateral wall of third pivot (25) cup joints and installs third fixed plate (26) to the lower part of third fixed plate (26) and the inside bottom surface fixed connection of dust cover (11), the inside bottom surface of dust cover (11) is provided with through-hole (27).

3. A loudspeaker damping device according to claim 2, wherein the length of the rubber brush plate 21 is greater than the length of the cross-sectional radius of the dust screen (31).

4. The loudspeaker shock absorbing device according to claim 1, wherein the middle positions of the yielding circular threaded holes (8) are fixedly provided with shock absorbing springs (28), the middle positions of the yielding circular threaded holes are fixedly provided with rubber plugs (30), the rubber plugs are fixedly provided with rubber push rods (14), the rubber push rods (14) are fixedly provided with rubber push rods (14) respectively, and the rubber push rods are fixedly connected with two sides of the loudspeaker shell (10), and the rubber push rods are arranged on two sides of the protective tube (9) and are provided with external threads (29) meshed with the yielding circular threaded holes (8).

5. A loudspeaker shock absorbing device according to claim 4, wherein the vertical cross-sectional lengths of the two sets of rubber stoppers (30) are the same as the internal vertical cross-sectional lengths of the two sets of protective tubes (9).

6. A loudspeaker damping device according to claim 1, characterised in that batteries are mounted inside both sets of battery housings (13).

7. A loudspeaker damping device according to claim 1, characterised in that the turntable (4) has a cross-sectional length which is the same as the cross-sectional length of the opening of the recess (2).

8. A loudspeaker damping device according to claim 1, characterised in that the control switch block (12) is electrically connected to the servo motor (3) and the battery via electrical wires.