CN117202048B - Automobile loudspeaker and sound system - Google Patents

Abstract

The invention discloses an automobile loudspeaker and a sound system.A cavity is formed among a base, a dustproof barrel and a loudspeaker body; a turntable is arranged above the base, and when the turntable is driven to rotate by a servo motor, a brush at the lower end of the turntable cleans dust on the base to a rubber disc at the lower end of the base; the loudspeaker body is detachably provided with an air outlet ring through a pin shaft mechanism, the left side of the air outlet ring is movably connected with a support column, a power supply socket mechanism is arranged on the dustproof cylinder, and after the turntable is static, the locking mechanism is used for realizing the positioning and fixing of the air ring through locking with the connecting mechanism; the beneficial effects of the invention are as follows: the air outlet ring of the invention periodically rotates up and down by taking the pin shaft mechanism as the circle center, can improve the coverage range of air sprayed by the jet head, can further realize the coverage of the surface of the loudspeaker body and the most of the surface of the inner wall of the dustproof cylinder, and is beneficial to improving the dust removal effect and the cooling effect of the surface of the loudspeaker body and the most of the surface of the inner wall of the dustproof cylinder.

Description

Automobile loudspeaker and sound system

Technical Field

The invention relates to the technical field of automobile speakers, in particular to an automobile speaker and an audio system.

Background

The car speaker is an acoustic signal device of a car. During the running process of the automobile, a driver sends out necessary sound signals according to the needs and regulations to warn pedestrians and draw attention of other vehicles, so that the traffic safety is ensured, and the automobile is also used for prompting and transmitting signals. The car speakers may be provided with audio/video devices for reducing the feeling of boring during traveling of the driver and the passenger.

The inside components and parts are numerous, and the during operation can produce certain degree vibrations, will make the dust get into inside from its gap like this, and long-term use leads to the dust to pile up and covers on the surface of the components and parts of car speaker (especially the components and parts of some sound production), very easily leads to car speaker's tone quality change, and influences the heat dissipation of components and parts, serious can lead to components and parts circuit short circuit, directly influences car speaker's normal work, and for this reason, we propose a car speaker and sound system.

Disclosure of Invention

The present invention is directed to an automobile speaker and an audio system, which solve the above-mentioned problems.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the automobile loudspeaker comprises a loudspeaker body and a dustproof barrel connected to the outer side of the loudspeaker body, wherein a base is fixedly arranged below the inside of the dustproof barrel and used for forming a cavity among the base, the dustproof barrel and the loudspeaker body;

a turntable is arranged above the base, and when the turntable is driven to rotate by a servo motor, a brush at the lower end of the turntable cleans dust on the base to a rubber disc at the lower end of the base;

the loudspeaker body is detachably provided with an air outlet ring through a pin shaft mechanism, the left side of the air outlet ring is movably connected with a support column, the dustproof barrel is provided with a power supply socket mechanism, and the right side of the air outlet ring is movably connected with a connecting mechanism on the power supply socket mechanism;

the rotary table is matched with the connecting mechanism through the support column when rotating, so that the gas outlet ring periodically rotates up and down by taking the pin shaft mechanism as the circle center, the power supply socket mechanism is also provided with a locking mechanism, and after the rotary table is static, the locking mechanism is used for realizing the positioning and fixing of the gas outlet ring through locking with the connecting mechanism;

the dustproof cylinder is fixedly provided with an air inlet mechanism which is in sliding connection with the support column, air is introduced into the air outlet ring through the support column, and the air in the air outlet ring is sprayed to the loudspeaker body and the inner wall of the dustproof cylinder through the air jet heads on the inner side surface and the outer side surface of the air outlet ring, so that the effects of radiating the loudspeaker body and removing dust are formed;

the gas in the gas outlet ring is sprayed out, so that the air in the cavity blows the rubber disc downwards through the leak hole on the base, the leak hole is exposed, dust falls into the rubber disc through the leak hole, and when the gas inlet mechanism stops working, the rubber disc resets and seals the leak hole, so that dust is prevented from entering the cavity through the leak hole.

Preferably, the middle part of the leak hole is provided with a fixed seat through a connecting plate; the middle part of the rubber disc is penetrated with a screw rod, the top of the screw rod is in threaded connection with the fixed seat, and a first spring sleeved on the screw rod is supported at the bottom of the rubber disc.

Preferably, the air outlet ring comprises a front semicircular pipe and a rear semicircular pipe, the air jet head is connected to the inner wall and the outer wall of the semicircular pipe, the pin shaft mechanism comprises a pin shaft inserted into a slot in the middle of the inner wall of the semicircular pipe, and one end of the pin shaft extending into the slot is connected with a first arc-shaped elastic sheet for realizing the expansion and contraction of the pin shaft;

the outer side of the pin shaft is also provided with a limiting stirring piece, and the other end of the pin shaft is inserted into a corresponding jack on the loudspeaker body;

one end of each of the front semicircular pipe and the rear semicircular pipe is inserted with a vent pipe, the other end of each of the front semicircular pipe and the rear semicircular pipe is inserted with a sealing connecting column, a first connecting cylinder sleeved on the outer side of the vent pipe is arranged at the top of each supporting column, and an air inlet channel inside each supporting column is communicated with the air jet head through the vent pipe and the semicircular pipe;

the middle surface of the vent pipe is provided with a vent hole, the outer sides of the two ends of the vent pipe are also sleeved with sealing rings, and the outer side surfaces of the sealing rings are clung to the inner wall of the first connecting cylinder.

Preferably, the air inlet mechanism is fixed on the plastic air collecting box on the inner wall of the dustproof cylinder, the left end of the plastic air collecting box is connected with an air inlet pipe, the fixing frames at the upper end and the lower end of the left side of the plastic air collecting box are fixed with the inner wall of the dustproof cylinder through screws, and the other end of the air inlet pipe penetrates through and extends out of the dustproof cylinder;

the upper end and the lower end of the right side of the plastic gas collecting box are provided with integrally formed plastic protruding plates, the right end of the plastic gas collecting box is provided with an opening, a gas collecting cavity is arranged in the plastic gas collecting box, the plastic gas collecting box is slidingly connected in a sliding groove on the left side of a supporting column, the plastic protruding plates extend into the grooves in the sliding groove, the sliding groove is provided with a gas inlet hole communicated with a gas inlet channel, and the gas collecting cavity covers the outer side of the gas inlet hole;

the bottom of support column has embedded the ball, and the ball rolls in the first annular groove in carousel upper end outside, and still is equipped with arc protruding seat in the first annular groove.

Preferably, the locking mechanism comprises a movable seat arranged in a horizontal connecting groove at the bottom of the first vertical connecting groove, an abutting plate inserted into a second vertical connecting groove on the power supply socket and a plurality of groups of clamping grooves distributed up and down, wherein the clamping grooves are arranged on the right side wall of the bottom of the connecting rod;

after the abutting plate is pressed downwards, the inclined surface at the bottom of the abutting plate contacts with the right end of the movable seat, and the movable seat is pushed to move leftwards along the horizontal connecting groove until the inserted column at the upper part of the left end of the movable seat penetrates through the opening at the right side of the bottom of the outer cylinder and is inserted into the corresponding clamping groove, and the lock catch of the connecting mechanism is completed to realize positioning and fixing of the gas ring;

the horizontal connecting groove bottom is according to installing the second arc shell fragment that is located the left side of movable seat, the left and right sides of butt plate upper portion is equipped with rather than integrated into one piece's horizontal plate, and its left end sliding connection is in the vertical groove of dustproof section of thick bamboo side, and the upper end of the third spring in the vertical groove is connected in horizontal plate left end bottom, and the horizontal plate right side runs through there is the bolt that is used for the spiro union at the power supply socket top.

In addition, in order to achieve the above purpose, the invention also provides an audio system comprising the automobile loudspeaker.

Compared with the prior art, the invention has the beneficial effects that: when the servo motor drives the turntable to rotate, the air outlet ring periodically rotates up and down by taking the pin shaft mechanism as the circle center through the cooperation of the supporting column and the connecting mechanism;

the air pump works, the air inlet pipe introduces air into the air inlet channel in the support column through the air collecting cavity and the air inlet hole, the air enters the air vent hole through the top of the air inlet channel, the air is introduced into the air vent pipe, and the air is introduced into the semicircular pipe through the air vent pipe until the air is sprayed out through the jet head;

at this time, air ejected from the inner jet head blows to the surface of the speaker body to form the functions of dust removal and cooling of the speaker body, and a part of air ejects to the inner wall surface of the dust prevention cylinder through the outer jet head to remove dust from the inner wall surface of the dust prevention cylinder;

meanwhile, because the outside air enters the cavity, high pressure is formed in the cavity, so that the high-pressure air in the cavity pushes the rubber disc to move downwards along the screw rod, at the moment, the first spring is in a compressed state, the leak holes are exposed, and thus, the high-pressure air in the cavity is mixed with dust to be discharged out of the cavity through the leak holes, and a part of dust falls down to the rubber disc; when the cleaning is needed, the screw rod can be unscrewed, the rubber disc is taken down, dust in the rubber disc is cleaned, and the rubber disc is installed and reset.

When the air pump does not work, the air inlet pipe cannot flush air into the cavity through the support column and the air outlet ring, and at the moment, the rubber disc moves upwards along the screw rod under the action of the elasticity of the first spring and is tightly attached to the lower end of the base so as to seal the leak hole, so that external dust can be prevented from entering the cavity through the leak hole and covering the surface of the loudspeaker body;

the air outlet ring rotates up and down periodically by taking the pin shaft mechanism as a circle center, so that the coverage range of air sprayed by the jet head can be improved, and further, the coverage of the surface of the loudspeaker body and the surface of the inner wall of the dustproof cylinder can be realized, and the dust removal effect on the surface of the loudspeaker body and the surface of the inner wall of the dustproof cylinder and the cooling effect on the loudspeaker body can be improved;

when the servo motor drives to rotate, the brush at the lower end of the turntable cleans dust on the base to the rubber disc at the lower end of the base, so that the cleaning effect on the dust is improved, and the dust is prevented from being adsorbed on the surface of the upper end of the base.

When the support column moves up and down relative to the plastic gas collection box through the cooperation of the arc-shaped protruding seat and the connecting mechanism, the support column deflects at a certain small angle, at the moment, the first annular sealing air bag is tightly attached to the left side surface of the chute, and sealing communication between the gas collection cavity and the gas inlet hole can still be realized, so that the gas pump works, the gas inlet pipe can introduce air into a gas inlet channel in the support column through the gas collection cavity and the gas inlet hole, the air enters a vent hole through the top of the gas inlet channel, the air is introduced into the vent pipe, and the air is introduced into the semicircular pipe through the vent pipe until the air is sprayed out through the gas spraying head;

when the support column moves up and down relative to the plastic gas collection box through the cooperation of the arc-shaped protruding seat and the connecting mechanism, the plastic protruding plate on the plastic gas collection box moves relatively in the grooves in the sliding grooves, the plastic gas collection box is always ensured to be stationary and fixed, the gas collection cavity always covers the gas inlet holes, the gas collection cavity is ensured to smoothly introduce air into the gas inlet channel through the gas inlet holes, the air inlet and the gas outlet ring are met when the gas outlet ring rotates up and down periodically by taking the pin shaft mechanism as the circle center, the fixation of the gas inlet pipe and the dustproof cylinder can be realized, namely the gas inlet pipe cannot rotate up and down periodically by taking the pin shaft mechanism as the circle center along with the gas outlet ring, the firmness of the joint of the gas inlet pipe and the dustproof cylinder is facilitated, and the gas inlet pipe is not easy to damage.

When the rotary table stops rotating, the air outlet ring does not rotate by taking the pin shaft as the circle center, the abutting plate is pressed downwards, so that the third spring is in a compressed state, the inclined surface contacts with the right end of the movable seat, the movable seat is pushed to move leftwards along the horizontal connecting groove until the inserted column at the upper part of the left end of the movable seat penetrates through the opening at the right side of the bottom of the outer cylinder and is inserted into the corresponding clamping groove, and then the bolts are locked, so that the lock catch of the connecting mechanism is positioned and fixed on the air outlet ring.

Drawings

FIG. 1 is a schematic perspective view of the whole structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the entire structure of the present invention;

FIG. 3 is a schematic perspective view of the arc boss and turntable arrangement of the present invention;

FIG. 4 is a schematic perspective view of a base of the present invention;

FIG. 5 is a schematic view of the placement configuration of FIG. 2A according to the present invention;

FIG. 6 is a schematic view of an exploded construction of the connection of the plastic manifold and support columns of the present invention;

FIG. 7 is a schematic cross-sectional view of FIG. 6 in accordance with the present invention;

FIG. 8 is a schematic cross-sectional view of the connection of the gas outlet ring, vent pipe, first connecting cylinder, sealing connecting column and second connecting cylinder of the present invention;

FIG. 9 is a schematic diagram of a cross-sectional structure at D-D in FIG. 8 in accordance with the present invention;

FIG. 10 is an enlarged schematic view of the structure of FIG. 2B according to the present invention;

FIG. 11 is a schematic view of an exploded construction of the power jack, the movable base and the connection of the abutment plate of the present invention;

FIG. 12 is a schematic view of the connecting rod, outer barrel and moving seat of the present invention in a connecting and disassembling configuration;

fig. 13 is an enlarged view of the structure of fig. 2 at C according to the present invention.

In the figure: 1. a speaker body; 2. a mounting flange is arranged on the upper part; 3. a dust-proof cylinder; 4. a lower mounting flange; 5. a power supply socket mechanism; 50. a rotation shaft; 51. a power supply socket; 511. a horizontal connecting groove; 512. a second vertical connection slot; 513. a first vertical connection slot; 52. a second arc-shaped elastic sheet; 53. a movable seat; 531. inserting a column; 54. an abutment plate; 541. an inclined plane; 55. a bolt; 56. a third spring; 6. a pin shaft; 61. a limiting driving piece; 62. a first arc-shaped elastic sheet; 7. an air outlet ring; 71. a semicircular tube; 72. a jet head; 73. a slot; 8. a support column; 9. an arc-shaped protruding seat; 10. a support wheel; 11. a turntable; 111. a brush; 112. a second annular groove; 113. a first annular groove; 12. a servo motor; 121. a rotating shaft; 13. a screw; 14. a rubber plate; 15. a leak hole; 16. a fixing seat; 161. a connecting plate; 17. a first spring; 18. a plastic gas collection box; 19. an air inlet pipe; 20. an air intake passage; 21. an air inlet hole; 22. slotting; 23. a plastic raised plate; 24. an air collection cavity; 25. a fixing frame; 26. a screw; 27. a chute; 28. a ball; 29. a first connecting cylinder; 30. a seal ring; 31. a vent hole; 32. a vent pipe; 33. sealing the connecting column; 34. a second connecting cylinder; 35. a second bearing; 36. a threading tube; 37. a connecting rod; 371. a receiving groove; 372. a second spring; 373. a clamping groove; 38. a sealing plug; 381. a second annular seal airbag; 39. an outer cylinder; 392. an opening; 40. a boss; 401. a sealing cap; 402. a first bearing; 403. rubber O-rings; 404. a sealing plate; 41. a first annular seal balloon.

Detailed Description

The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-13, the present invention provides a technical solution:

embodiment one:

the utility model provides an automobile loudspeaker, includes speaker body 1 and connects dustproof section of thick bamboo 3 in speaker body 1 outside, dustproof section of thick bamboo 3's upper and lower extreme outside is equipped with rather than integrated into one piece's last mounting flange 2 and lower mounting flange 4 respectively.

A base is fixedly arranged below the inside of the dustproof cylinder 3 and used for forming a cavity among the base, the dustproof cylinder 3 and the loudspeaker body 1;

the base top is equipped with carousel 11, and when it was rotated through servo motor 12 drive, the brush 111 of carousel 11 lower extreme cleans the dust on the base to the rubber dish 14 of base lower extreme, is favorable to improving the cleaning performance to the dust, prevents that the dust from adsorbing at the base upper end surface.

The loudspeaker body 1 is detachably provided with an air outlet ring 7 through a pin shaft mechanism, the left side of the air outlet ring 7 is movably connected with a support column 8, the dustproof barrel 3 is provided with a power supply socket mechanism 5, and the right side of the air outlet ring 7 is movably connected with a connecting mechanism on the power supply socket mechanism 5;

when the turntable 11 rotates, the air outlet ring 7 periodically rotates up and down by the cooperation of the support column 8 and the connecting mechanism by taking the pin shaft mechanism as the circle center, the power supply socket mechanism 5 is also provided with a locking mechanism, and after the turntable 11 is static, the locking mechanism is used for realizing the positioning and fixing of the air outlet ring 7 by locking with the connecting mechanism;

the dustproof cylinder 3 is fixedly provided with an air inlet mechanism which is in sliding connection with the support column 8, and realizes that air is introduced into the air outlet ring 7 through the support column 8, and the air in the air outlet ring 7 is sprayed to the loudspeaker body 1 and the inner wall of the dustproof cylinder 3 through the jet heads 72 on the inner side surface and the outer side surface of the air outlet ring, so that the effects of radiating the loudspeaker body 1 and removing dust are formed;

the air in the air outlet ring 7 is sprayed out, so that the air in the cavity blows the rubber disk 14 downwards through the leak holes 15 on the base, the leak holes 15 are exposed, dust falls into the rubber disk 14 through the leak holes 15, and when the air inlet mechanism stops working, the rubber disk 14 resets and seals the leak holes 15, so that dust is prevented from entering the cavity through the leak holes 15.

Embodiment two:

in this embodiment, as shown in fig. 2, 4 and 13, the base includes a boss 40 and a sealing disc 404 integrally disposed outside the boss 40, and the side edge of the sealing disc 404 is sealed and fixed with the inner wall of the dust-proof cylinder 3;

the boss 40 is further provided with a sealing cap 401 for sealing the outer side of the rotating shaft 121, and a rubber O-ring 403 and a first bearing 402 sleeved on the rotating shaft 121 are sequentially arranged in the sealing cap 401. The connection part of the rotating shaft 121 and the boss 40 is in a sealing state by the arrangement of the rubber O-shaped ring 403 and the sealing cap 401, so that dust is prevented from entering;

the servo motor 12 is fixed in the middle of the lower end of the boss 40, a rotating shaft 121 at the output end of the servo motor 12 penetrates through the boss 40 and then is connected to the middle of the lower end of the turntable 11, and a fixed seat 16 is arranged in the middle of the leak hole 15 through a connecting plate 161;

the middle part of the rubber disk 14 is penetrated with a screw rod 13, the top of the screw rod 13 is connected with a fixed seat 16 in a screw mode, and a first spring 17 sleeved on the screw rod 13 is supported at the bottom of the rubber disk 14.

When the air pump does not work, the air inlet pipe 19 does not flush air into the cavity through the support column 8 and the air outlet ring 7, and at the moment, the rubber disk 14 moves upwards along the screw 13 and is tightly attached to the lower end of the base under the action of the elastic force of the first spring 17 so as to seal the leak hole 15, so that external dust can be prevented from entering the cavity through the leak hole 15 and covering the surface of the loudspeaker body 1;

when the air pump works, air enters the semicircular tube 71 through the air inlet tube 19, the air collecting cavity 24, the air inlet channel 20, the air vent 31 and the air pipe 32 in the support column 8 and finally is sprayed out through the air jet head 72, at the moment, the air sprayed out through the air jet head 72 on the inner side blows to the surface of the loudspeaker body 1 to form the functions of dust removal and temperature reduction of the loudspeaker body 1, and a part of the air is sprayed out through the air jet head 72 on the outer side to the inner wall surface of the dust prevention cylinder 3 to remove dust on the inner wall surface of the dust prevention cylinder 3;

meanwhile, as the external air enters the cavity, high pressure is formed in the cavity, so that the high-pressure air in the cavity pushes the rubber disc 14 to move downwards along the screw 13, at the moment, the first spring 17 is in a compressed state, the leakage holes 15 are exposed, and thus, the high-pressure air in the cavity is mixed with dust and is discharged out of the cavity through the leakage holes 15, and a part of dust falls down to the rubber disc 14;

when cleaning is needed, the screw 13 can be unscrewed, the rubber disk 14 is taken down, dust in the rubber disk 14 is cleaned, and then the rubber disk is installed and reset.

Embodiment III:

in this embodiment, as shown in fig. 8 and 9, the air outlet ring 7 includes two groups of semicircular pipes 71, the air jet head 72 is connected to the inner and outer walls of the semicircular pipes 71, the pin mechanism includes a pin 6 inserted into a slot 73 in the middle of the inner wall of the semicircular pipe 71, and one end of the pin 6 extending into the slot 73 is connected with a first arc-shaped elastic sheet 62 for realizing expansion and contraction of the pin 6;

the outer side of the pin shaft 6 is also provided with a limit stirring piece 61, and the other end of the pin shaft 6 is inserted into a corresponding jack on the loudspeaker body 1;

when the air outlet ring 7 is required to be installed on the loudspeaker body 1, the pin shaft 6 can be moved towards the direction of the semicircular pipe 71 through the limiting and stirring piece 61 until one end of the pin shaft 6 stretches into the slot 73 to enable the first arc-shaped elastic piece 62 to be in a compressed state, at the moment, the other end of the pin shaft 6 is moved to a position corresponding to a jack on the loudspeaker body 1, the limiting and stirring piece 61 is released immediately, and under the elastic force of the first arc-shaped elastic piece 62, the pin shaft 6 is inserted into the jack on the loudspeaker body 1, so that the quick installation of the air outlet ring 7 and the loudspeaker body 1 is completed;

when the gas ring 7 needs to be disassembled, the pin shaft 6 can be moved to the direction close to the semicircular pipe 71 through the limiting stirring piece 61 until the pin shaft 6 is separated from the jack, and then the gas ring 7 is disassembled, so that the gas ring 7 and the loudspeaker body 1 are quickly disassembled;

it can be seen that by the arrangement of the pin mechanism, a quick mounting or dismounting of the gas ring 7 and the loudspeaker body 1 can be achieved.

One end of the front semicircular pipe 71 and one end of the rear semicircular pipe 71 are inserted with the vent pipe 32, the other end of the front semicircular pipe is inserted with the sealing connecting column 33, and the vent pipe 32 and the sealing connecting column 33 are in threaded connection with the semicircular pipe 71; the breather pipe 32 enables the left side connection parts of the front semicircular pipe 71 and the rear semicircular pipe 71 to be communicated, and the sealing connecting column 33 enables the right side connection parts of the front semicircular pipe 71 and the rear semicircular pipe 71 to be sealed;

the top of the support column 8 is provided with a first connecting cylinder 29 sleeved outside the vent pipe 32, and the air inlet channel 20 inside the support column 8 is communicated with the jet head 72 through the vent pipe 32 and a semicircular pipe 71;

the middle surface of the vent pipe 32 is provided with a vent hole 31, and the outer sides of the two ends of the vent pipe 32 are also sleeved with sealing rings 30, and the outer side surfaces of the sealing rings are clung to the inner wall of the first connecting cylinder 29.

Through the arrangement of the sealing ring 30, the tightness of the connection between the first connecting cylinder 29 and the vent pipe 32 can be realized, the support column 8 moves up and down, and the air outlet ring 7 periodically rotates up and down by taking the pin shaft 6 as the center of a circle, so that when the first connecting cylinder 29 and the vent pipe 32 rotate relatively, under the action of the air pump, air can still be introduced into the vent pipe 32 through the air inlet channel 20 and the vent hole 31 in the support column 8, and the air is introduced into the semicircular pipe 71 through the vent pipe 32 until being sprayed out through the jet head 72;

as shown in fig. 5-7, the air inlet mechanism is fixed on the inner wall of the dustproof cylinder 3, the plastic air collecting box 18 and the left end of the plastic air collecting box 18 are connected with an air inlet pipe 19, a fixing frame 25 at the upper and lower ends of the left side of the plastic air collecting box 18 is fixed with the inner wall of the dustproof cylinder 3 through a screw 26, and the other end of the air inlet pipe 19 penetrates through and extends out of the dustproof cylinder 3;

the upper end and the lower end of the right side of the plastic gas collection box 18 are provided with integrally formed plastic protruding plates 23, the right end of the plastic gas collection box 18 is provided with an opening, a gas collection cavity 24 is arranged in the plastic gas collection box 18, and the plastic gas collection box 18 is slidingly connected in a chute 27 on the left side of the support column 8;

the air collection cavity 24 is embedded with a first annular sealing air bag 41 which is tightly attached to the left side surface of the chute 27, the plastic protruding plate 23 extends into the slot 22 in the chute 27, the chute 27 is provided with an air inlet 21 communicated with the air inlet channel 20, and the air collection cavity 24 covers the outer side of the air inlet 21;

the bottom of the support column 8 is embedded with a ball 28, the ball 28 rolls in a first annular groove 113 outside the upper end of the turntable 11, and an arc-shaped protruding seat 9 is further arranged in the first annular groove 113.

When the servo motor 12 drives the turntable 11 to rotate, the ball 28 at the bottom of the support column 8 rolls in the first annular groove 113 at the outer side of the upper end of the turntable 11 (so that the bottom of the support column 8 can be prevented from being separated from the upper end surface of the turntable 11 when the turntable 11 is used, the situation that the support column 8 cannot push the gas outlet ring 7 because the bottom of the support column 8 cannot contact with the arc-shaped boss 9 is avoided), until the ball 28 contacts with the arc-shaped boss 9 in the first annular groove 113 and rolls through the top of the arc-shaped boss 9, at the moment, the arc-shaped boss 9 pushes the support column 8 to move upwards, the support column 8 pushes the gas outlet ring 7 to rotate clockwise around the pin shaft 6 as a circle center, the connecting rod 37 of the connecting mechanism retracts into the outer cylinder 39, and the second spring 372 is in a compressed state;

when the ball 28 rolls down through the arc-shaped convex seat 9, under the action of the elasticity of the second spring 372, the top of the connecting rod 37 extends out of the outer cylinder 39, and under the pushing of the connecting rod 37 of the connecting mechanism, the air outlet ring 7 rotates anticlockwise to reset by taking the pin shaft 6 as the circle center, and at the moment, the supporting column 8 moves downwards;

thus, the rotary table 11 is formed to be matched with the supporting column 8 and the connecting mechanism when rotating, so that the gas outlet ring 7 periodically rotates up and down by taking the pin shaft mechanism as the circle center.

When the support column 8 moves up and down relative to the plastic gas collection box 18 through the cooperation of the arc-shaped protruding seat 9 and the connecting mechanism, the support column 8 deflects at a certain small angle, at this time, the first annular sealing air bag 41 is tightly attached to the left side surface of the sliding groove 27, and sealing communication between the gas collection cavity 24 and the gas inlet hole 21 can still be realized, so that the gas pump works, the gas inlet pipe 19 can introduce air into the gas inlet channel 20 in the support column 8 through the gas collection cavity 24 and the gas inlet hole 21, and air can enter the vent hole 31 through the top of the gas inlet channel 20, air is introduced into the vent pipe 32, and the air is introduced into the semicircular pipe 71 through the vent pipe 32 until the air is sprayed out through the gas spraying head 72;

when the support column 8 moves up and down relative to the plastic gas collection box 18 through the cooperation of the arc-shaped protruding seat 9 and the connecting mechanism, the plastic protruding plate 23 on the plastic gas collection box 18 moves relatively in the groove 22 in the sliding groove 27, the plastic gas collection box 18 is always ensured to be stationary and fixed, the gas collection cavity 24 always covers the gas inlet hole 21, the gas collection cavity 24 is ensured to smoothly introduce air into the gas inlet channel 20 through the gas inlet hole 21, the air inlet ring 7 is satisfied when the gas outlet ring 7 rotates up and down periodically by taking the pin shaft mechanism as the circle center, the fixation of the gas inlet pipe 19 and the dust-proof cylinder 3 can be realized, namely, the gas inlet pipe 19 does not rotate along with the gas outlet ring 7 to rotate up and down periodically by taking the pin shaft mechanism as the circle center, the firmness of the joint of the gas inlet pipe 19 and the dust-proof cylinder 3 is facilitated, and the gas inlet pipe 19 is not easy to damage.

The power supply socket mechanism 5 comprises a power supply socket 51 arranged on the dustproof barrel 3 and a threading pipe 36 connected with the inner side end of the power supply socket 51, the other end of the threading pipe 36 is connected with the side edge of the bottom of the loudspeaker body 1, a supporting wheel 10 supported at the upper end of the turntable 11 is arranged at the bottom of the threading pipe 36, and the bottom of the supporting wheel 10 is positioned in a second annular groove 112 at the inner side of the upper end of the turntable 11 and used for balancing the horizontal rotation of the turntable 11.

The support column 8 and the weight of giving vent to anger ring 7 left side can press in carousel 11 upper end left side, and when carousel 11 rotated, can make carousel 11 left side skew downwards, is unfavorable for the balanced and horizontal rotation of carousel 11, and at this moment, the supporting wheel 10 bottom is located the inboard second annular groove 112 in carousel 11 upper end, is favorable to guaranteeing carousel 11 pivoted balance and horizontal rotation.

Embodiment four:

in this embodiment, as shown in fig. 10-12, the connecting mechanism comprises a second connecting cylinder 34 sleeved outside the sealing connecting column 33, a connecting rod 37 connected with the bottom of the second connecting cylinder 34, and an outer cylinder 39 sleeved outside the connecting rod 37;

a second bearing 35 is sleeved at the middle part of the outer side of the sealing connecting column 33, and the second bearing 35 is embedded into the second connecting cylinder 34;

the bottom of the outer barrel 39 is movably connected to a first vertical connecting groove 513 of the power supply socket 51 through a rotating shaft 50, a sealing plug 38 is sleeved on the upper portion of the outer barrel 39, the bottom of the sealing plug 38 is inserted into the first vertical connecting groove 513, and a second annular sealing air bag 381 is sleeved on the outer side of the bottom of the sealing plug 38 and used for sealing the joint of the outer barrel 39 and the first vertical connecting groove 513 so as to prevent dust from entering;

a second spring 372 is provided in the receiving groove 371 at the bottom of the connecting rod 37.

When the ball 28 at the bottom of the support column 8 rolls onto the arc-shaped convex seat 9 in the first annular groove 113, the support column 8 pushes the gas outlet ring 7 to rotate clockwise by taking the pin shaft 6 as the center of a circle, at this time, the second connecting cylinder 34 connected to the right side of the gas outlet ring 7 rotates relative to the sealing connecting column 33, and the right side of the gas outlet ring 7 presses down the connecting rod 37, so that the connecting rod 37 of the connecting mechanism retracts into the outer cylinder 39, and the second spring 372 is in a compressed state;

when the connecting rod 37 retracts into the outer cylinder 39 or extends outwards, the connecting rod 37 deflects by a certain small angle, and at the moment, the outer cylinder 39 deflects by taking the rotating rod shaft 50 as the center of a circle, so that the connecting rod 37 and the outer cylinder 39 are always in the same straight line, and the normal extension and retraction of the connecting rod 37 in the outer cylinder 39 are ensured.

Fifth embodiment:

in this embodiment, as shown in fig. 10-12, the locking mechanism includes a movable seat 53 disposed in a horizontal connecting slot 511 at the bottom of a first vertical connecting slot 513, an abutting plate 54 inserted into a second vertical connecting slot 512 on a power supply socket 51, and a plurality of groups of vertically distributed clamping slots 373 disposed on the right side wall at the bottom of the connecting rod 37;

the bottom of the horizontal connecting groove 511 is provided with a second arc-shaped elastic sheet 52 positioned on the left side of the movable seat 53, the left side and the right side of the upper part of the abutting plate 54 are provided with horizontal plates integrally formed with the abutting plate, the left end of the abutting plate is slidingly connected with a vertical groove on the side edge of the dustproof barrel 3, the upper end of a third spring 56 in the vertical groove is connected to the bottom of the left end of the horizontal plate, and the right side of the horizontal plate is penetrated with a bolt 55 which is in threaded connection with the top of the power supply socket 51.

When the turntable 11 stops rotating, the air outlet ring 7 does not rotate around the pin shaft 6, the abutting plate 54 is pressed downwards, so that the third spring 56 is in a compressed state, the inclined surface 541 is in contact with the right end of the movable seat 53, and the movable seat 53 is pushed to move leftwards along the horizontal connecting groove 511 until the inserted column 531 at the upper part of the left end of the movable seat 53 penetrates through the opening 392 at the right side of the bottom of the outer cylinder 39 and is inserted into the corresponding clamping groove 373, the lock catch of the connecting mechanism is completed, positioning and fixing of the air ring 7 are realized, the bottom of the left end of the movable seat 53 abuts against the second arc-shaped elastic sheet 52 at the moment, the second arc-shaped elastic sheet 52 is in a compression deformation state, and then the bolt 55 is locked;

the bolt 55 is unscrewed, the movable seat 53 moves upwards to reset along the horizontal connecting groove 511 under the elastic action of the third spring 56 and the second arc-shaped elastic sheet 52 until the inserting column 531 is separated from the clamping groove 373 on the connecting rod 37, and the release of the connecting rod 37 of the connecting mechanism is completed, so that the gas outlet ring 7 periodically rotates up and down by taking the pin shaft mechanism as the circle center through the cooperation of the supporting column 8 and the connecting mechanism when the servo motor 12 drives the turntable 11 to rotate.

In addition, in order to achieve the above purpose, the invention also provides an audio system comprising the automobile loudspeaker.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides an automobile loudspeaker, includes speaker body and connects at the dustproof section of thick bamboo in the speaker body outside, its characterized in that: a base is fixedly arranged below the inside of the dustproof cylinder, and a cavity is formed among the base, the dustproof cylinder and the loudspeaker body;

a turntable is arranged above the base, and when the turntable is driven to rotate by a servo motor, a brush at the lower end of the turntable cleans dust on the base to a rubber disc at the lower end of the base;

the loudspeaker body is detachably provided with an air outlet ring through a pin shaft mechanism, the left side of the air outlet ring is movably connected with a support column, the dustproof barrel is provided with a power supply socket mechanism, and the right side of the air outlet ring is movably connected with a connecting mechanism on the power supply socket mechanism;

the rotary table is matched with the connecting mechanism through the support column when rotating, so that the gas outlet ring periodically rotates up and down by taking the pin shaft mechanism as the circle center, the power supply socket mechanism is also provided with a locking mechanism, and after the rotary table is static, the locking mechanism is used for realizing the positioning and fixing of the gas outlet ring through locking with the connecting mechanism;

the dustproof cylinder is fixedly provided with an air inlet mechanism which is in sliding connection with the support column, air is introduced into the air outlet ring through the support column, and the air in the air outlet ring is sprayed to the loudspeaker body and the inner wall of the dustproof cylinder through the air jet heads on the inner side surface and the outer side surface of the air outlet ring, so that the effects of radiating the loudspeaker body and removing dust are formed;

the gas in the gas outlet ring is sprayed out, so that the air in the cavity blows the rubber disc downwards through the leak hole on the base, the leak hole is exposed, dust falls into the rubber disc through the leak hole, and when the gas inlet mechanism stops working, the rubber disc resets and seals the leak hole, so that dust is prevented from entering the cavity through the leak hole.

2. An automotive speaker according to claim 1, characterized in that: the outer sides of the upper end and the lower end of the dustproof cylinder are respectively provided with an upper mounting flange and a lower mounting flange which are integrally formed with the dustproof cylinder.

3. An automotive speaker according to claim 1, characterized in that: the base comprises a boss and a sealing disc integrally arranged on the outer side of the boss, and the side edge of the sealing disc is fixed with the inner wall of the dustproof cylinder in a sealing way;

and the boss is also provided with a sealing cap for sealing the outer side of the rotating shaft, and a rubber O-shaped ring and a first bearing sleeved on the rotating shaft are sequentially arranged in the sealing cap.

4. A car loudspeaker according to claim 3, wherein: the servo motor is fixed in the middle of the lower end of the boss, a rotating shaft at the output end of the servo motor penetrates through the boss and then is connected to the middle of the lower end of the turntable, and a fixed seat is arranged in the middle of the leak hole through a connecting plate;

the middle part of the rubber disc is penetrated with a screw rod, the top of the screw rod is in threaded connection with the fixed seat, and a first spring sleeved on the screw rod is supported at the bottom of the rubber disc.

5. An automotive speaker according to claim 1, characterized in that: the air outlet ring comprises a front semicircular pipe and a rear semicircular pipe, the air jet head is connected to the inner wall and the outer wall of the front semicircular pipe and the rear semicircular pipe, the pin shaft mechanism comprises a pin shaft inserted into a slot in the middle of the inner wall of the semicircular pipe, and one end of the pin shaft extending into the slot is connected with a first arc-shaped elastic sheet which is used for realizing the expansion and the contraction of the pin shaft;

the outer side of the pin shaft is also provided with a limiting stirring piece, and the other end of the pin shaft is inserted into a corresponding jack on the loudspeaker body;

one end of each of the front semicircular pipe and the rear semicircular pipe is inserted with a vent pipe, the other end of each of the front semicircular pipe and the rear semicircular pipe is inserted with a sealing connecting column, and the vent pipe and the sealing connecting column are connected with the semicircular pipes in a threaded manner; the ventilating pipe is used for communicating the left-side connection parts of the front semicircular pipes and the rear semicircular pipes, the sealing connecting column is used for sealing the right-side connection parts of the front semicircular pipes and the rear semicircular pipes, a first connecting cylinder sleeved on the outer side of the ventilating pipe is arranged at the top of the supporting column, and an air inlet channel inside the supporting column is communicated with the air jet head through the ventilating pipe and the semicircular pipes;

the middle surface of the vent pipe is provided with a vent hole, the outer sides of the two ends of the vent pipe are also sleeved with sealing rings, and the outer side surfaces of the sealing rings are clung to the inner wall of the first connecting cylinder.

6. An automotive speaker as described in claim 5, wherein: the air inlet mechanism is fixed on the inner wall of the dustproof cylinder, the plastic air collecting box is connected with an air inlet pipe at the left end of the plastic air collecting box, the fixing frames at the upper end and the lower end of the left side of the plastic air collecting box are fixed with the inner wall of the dustproof cylinder through screws, and the other end of the air inlet pipe penetrates through and extends out of the dustproof cylinder;

the upper end and the lower end of the right side of the plastic gas collecting box are provided with integrally formed plastic protruding plates, the right end of the plastic gas collecting box is provided with an opening, the inside of the plastic gas collecting box is provided with a gas collecting cavity, the plastic gas collecting box is slidingly connected in a sliding groove on the left side of a supporting column, the outer side of the gas collecting cavity is embedded with a first annular sealing air bag, the first annular sealing air bag is tightly attached to the left side surface of the sliding groove, the plastic protruding plates extend into a groove in the sliding groove, the sliding groove is provided with an air inlet hole communicated with an air inlet channel, and the gas collecting cavity covers the outer side of the air inlet hole;

the bottom of support column has embedded the ball, and the ball rolls in the first annular groove in carousel upper end outside, and still is equipped with arc protruding seat in the first annular groove.

7. An automotive speaker as described in claim 6, wherein: the power supply socket mechanism comprises a power supply socket arranged on the dustproof barrel and a threading pipe connected with the inner side end of the power supply socket, the other end of the threading pipe is connected to the side edge of the bottom of the loudspeaker body, a supporting wheel supported at the upper end of the rotary disc is arranged at the bottom of the threading pipe, and the bottom of the supporting wheel is positioned in a second annular groove at the inner side of the upper end of the rotary disc and used for balancing the horizontal rotation of the rotary disc.

8. An automotive speaker according to claim 7, characterized in that: the connecting mechanism comprises a second connecting cylinder sleeved outside the sealing connecting column, a connecting rod connected with the bottom of the second connecting cylinder and an outer cylinder sleeved outside the connecting rod;

a second bearing is sleeved at the middle part of the outer side of the sealing connecting column, and is embedded into the second connecting cylinder;

the bottom of the outer cylinder is movably connected with a first vertical connecting groove of the power supply socket through a rotating rod shaft, the upper part of the outer cylinder is sleeved with a sealing plug, the bottom of the sealing plug is inserted into the first vertical connecting groove, and the outer side of the bottom of the sealing plug is also sleeved with a second annular sealing air bag;

and a second spring is arranged in the accommodating groove at the bottom of the connecting rod.

9. An automotive speaker according to claim 8, characterized in that: the locking mechanism comprises a movable seat arranged in a horizontal connecting groove at the bottom of the first vertical connecting groove, an abutting plate inserted into a second vertical connecting groove on the power supply socket and a plurality of groups of clamping grooves distributed up and down, wherein the clamping grooves are arranged on the right side wall of the bottom of the connecting rod;

after the abutting plate is pressed downwards, the inclined surface at the bottom of the abutting plate contacts with the right end of the movable seat, and the movable seat is pushed to move leftwards along the horizontal connecting groove until the inserted column at the upper part of the left end of the movable seat penetrates through the opening at the right side of the bottom of the outer cylinder and is inserted into the corresponding clamping groove, and the lock catch of the connecting mechanism is completed to realize positioning and fixing of the gas ring;

the horizontal connecting groove bottom is according to installing the second arc shell fragment that is located the left side of movable seat, the left and right sides of butt plate upper portion is equipped with rather than integrated into one piece's horizontal plate, and its left end sliding connection is in the vertical groove of dustproof section of thick bamboo side, and the upper end of the third spring in the vertical groove is connected in horizontal plate left end bottom, and the horizontal plate right side runs through there is the bolt that is used for the spiro union at the power supply socket top.

10. An audio system comprising an automotive loudspeaker according to any one of claims 1-9.