阅读说明：本技术 一种具有大口径音圈的薄型音箱 (Thin sound box with large-diameter voice coil ) 是由 蒋加星 蔡禄军 吴晓军 于 2021-09-01 设计创作，主要内容包括：本发明属于音箱领域,具体的说是一种具有大口径音圈的薄型音箱,包括箱体和扬声器主体,所述扬声器主体包括基板、盆架、U铁、音圈、音盆、弹波和防尘罩,盆架上设置有凸台,U铁位于凸台的下方,音盆上设置有反R状的悬变折环,箱体的内部固定安装有支座,支座的内部活动安装有转轮和减速组件,转轮和减速组件之间安装有多个球体；当扬声器主体处于长时间大音量播放状态时,会产生较大幅度的持续振动,使得转轮旋转变快,减速组件内的球体变多,减速组件整体质量变重并下移碰触到开关,使得开关将扬声器主体的电路切断,保护了扬声器主体不会因长时间大音量播放而烧坏,使用安全可靠。(The invention belongs to the field of sound boxes, in particular to a thin sound box with a large-caliber voice coil, which comprises a box body and a speaker main body, wherein the speaker main body comprises a base plate, a basin frame, U iron, the voice coil, a sound basin, an elastic wave and a dust cover, the basin frame is provided with a boss, the U iron is positioned below the boss, the sound basin is provided with an inverse R-shaped suspension deflection ring, a support is fixedly arranged in the box body, a rotating wheel and a speed reducing assembly are movably arranged in the support, and a plurality of spheres are arranged between the rotating wheel and the speed reducing assembly; when the speaker main part is in the big volume broadcast state for a long time, can produce great amplitude and last the vibration for the runner is rotatory to be fast, and the spheroid in the speed reduction subassembly becomes many, and the whole quality of speed reduction subassembly becomes heavy and moves down and touch the switch, makes the switch cut off the circuit of speaker main part, has protected the speaker main part can not burn out because of big volume broadcast for a long time, uses safe and reliable.)

1. The utility model provides a slim audio amplifier with heavy-calibre voice coil loudspeaker voice coil which characterized in that: including box (1) and speaker main part (2), speaker main part (2) are provided with the boss including base plate (201), basin frame (202), U indisputable (203), voice coil loudspeaker voice coil (204), sound basin (205), bullet ripples (206) and dust cover (207) on the basin frame (202), and U indisputable (203) are located the below of boss, are provided with the suspension of anti R form on sound basin (205) and become the broken ring.

2. The thin type speaker with a large-diameter voice coil according to claim 1, wherein: the loudspeaker box is characterized in that a support (3) is fixedly mounted inside the box body (1), a rotating wheel (4) and a speed reducing assembly (6) are movably mounted inside the support (3), a plurality of balls (5) are mounted between the rotating wheel (4) and the speed reducing assembly (6), a clamping groove corresponding to the balls (5) is formed in the rotating wheel (4), the rotating wheel (4) is connected with the loudspeaker main body (2) through a driving assembly, and a switch (26) is mounted inside the box body (1) and below the speed reducing assembly (6).

3. The thin type speaker with a large-diameter voice coil according to claim 2, wherein: the utility model discloses a ball bearing, including support (3), spheroid (5) and inlet pipe (6), the internally mounted of support (3) has unloading pipe (8) and inlet pipe (9) that are the slope form, spheroid (5) roll between runner (4) and speed reduction unit (6) through unloading pipe (8) and inlet pipe (9), speed reduction unit (6) are including sliding seat (10), sliding seat (10) are installed in support (3), the inside of sliding seat (10) is provided with speed reduction plate (11), speed reduction plate (11) are including a plurality of hang plates of staggered arrangement, supporting component is installed to the bottom of sliding seat (10).

4. The thin type speaker with a large-diameter voice coil according to claim 3, wherein: the supporting assembly comprises a guide seat (12) and a T-shaped plate (13), the guide seat (12) is fixedly installed on a support (3), the T-shaped plate (13) is fixedly installed at the bottom of a movable seat (10), the T-shaped plate (13) is movably inserted into the guide seat (12), a supporting pressure spring (14) is installed on the outer side of the T-shaped plate (13), an inserting plate (15) is movably inserted into the inner part of the T-shaped plate (13), the position of the inserting plate (15) is matched with a switch (26), a limiting plate (16) is fixedly installed on the outer side of the inserting plate (15) and positioned in the inner part of the guide seat (12), a main spring (17) is installed between the limiting plate (16) and the T-shaped plate (13), a stop block (18) for blocking the limiting plate (16) is movably installed inside the guide seat (12), a pressure lever (36) corresponding to the stop block (18) is fixedly installed at the bottom of the movable seat (10), a slope section is arranged on the pressure lever (36), the stop block (18) is provided with a groove corresponding to the slope section.

5. The thin type speaker with a large-diameter voice coil according to claim 3, wherein: the inflator is characterized in that an air chamber (19) is fixedly mounted in the box body (1), a valve and a nozzle are mounted on the air chamber (19), an inflator (20) is mounted inside the support (3) and below the movable seat (10), the inflator (20) comprises a piston rod, a return spring is arranged on the piston rod, and the inflator (20) is communicated with the air chamber (19) through an air guide pipe (21).

6. The thin type speaker with a large-diameter voice coil according to claim 2, wherein: the below of support (3) is rotated and is installed hollow dish (22) and follow driving wheel (23), hollow dish (22) stagger with picture peg (15), install driven subassembly on hollow dish (22), install one-way ratchet (24) from driving wheel (23), install annular pawl (25) on hollow dish (22), the bottom of picture peg (15) is provided with the tooth section with annular pawl (25) assorted, the bottom fixed mounting who follows driving wheel (23) has the pressure plate (27) of touching that corresponds with switch (26), switch (26) stagger with touch pressure plate (27).

7. The thin type speaker with a large-diameter voice coil according to claim 6, wherein: driven subassembly includes slide plate (30) of slidable mounting in support (3) bottom, and hollow dish (22) rotate to be installed on slide plate (30), and the bottom fixed mounting of sliding seat (10) has even board (31) of inserting slide plate (30) inside, and two locating pieces (32) of the bottom fixedly connected with of even board (31), two locating pieces (32) are located the inside and the top of slide plate (30) respectively, are provided with the slope on locating piece (32).

8. The thin type speaker with a large-diameter voice coil according to claim 6, wherein: the rotating shaft (28) is rotatably mounted on the side wall of the box body (1), the indicating plate (7) is mounted at one end, extending to the outer side of the box body (1), of the rotating shaft (28), a friction disc (29) is fixedly mounted at one end, located on the inner side of the box body (1), of the rotating shaft (28), and the size of the friction disc (29) is matched with that of the hollow disc (22).

9. The thin type speaker with a large-diameter voice coil according to claim 2, wherein: the driving assembly comprises a pawl plate (35) movably mounted in the box body (1), a contact block corresponding to the loudspeaker main body (2) is arranged on the pawl plate (35), the rotating wheel (4) is rotatably mounted on the support (3) through a driving shaft (33), and a ratchet wheel (34) meshed and connected with the pawl plate (35) is fixedly mounted on the driving shaft (33).

10. The thin type speaker with a large-diameter voice coil according to claim 5, wherein: the top end of the inserting plate (15) is fixedly connected with a partition plate (37) inserted into the movable seat (10), and the inserting plate (15) is fixedly connected with a piston rod in the inflator (20).

Technical Field

The invention belongs to the field of sound boxes, and particularly relates to a thin sound box with a large-diameter voice coil.

Background

With the increasing popularity of the OLED television (the OLED is an Organic Light-Emitting Diode, which is called as an "Organic Light-Emitting Diode" and is a display screen technology), the living quality of people is also improved, and a sound box applied to the OLED requires high sound pressure level, good sound quality and high reliability, so as to achieve the required sound quality effect, a thicker traditional cone-shaped speaker sound box (the thickness is about 30 mm) is generally adopted in the prior art, which results in that the upper half part of the OLED television is made very thin, and the lower half part of the OLED television is provided with the sound box, so that the design is thicker, and the attractiveness of the whole television is affected; it is clear that such a structure has not been able to meet the ever-increasing demands of premium life.

Some technical solutions related to thin sound boxes also appear in the prior art, for example, a chinese patent with application number 201910913150.4 discloses a thin household sound box, which includes a support, a woofer, a tweeter component and a cover component; the tweeter connecting seat is connected with the bracket; the high pitch horn connecting seat is provided with more than two high pitch horn sound outlets; a partition plate is arranged between the sound outlets of the adjacent tweeters, and the sound outlets of the adjacent tweeters are not on the same plane; the tweeter is arranged at the tweeter sound outlet; the sound emitted by the high pitch horn and the sound emitted by the low pitch horn are effectively mixed, and the high-sound-intensity low-noise loudspeaker has strong three-dimensional effect and good sound effect.

When the thin sound box is used, if the sound box is in a large-volume playing state for a long time, the current passing through the energizing units such as the voice coil is too large for a long time, and high temperature is easily generated, so that the units such as the voice coil are burnt out, therefore, the sound box cannot play large volume for a long time when in work, the sound boxes in the market generally perform mild prompt through functions such as prompt tones, and cannot detect and automatically protect the playing state when a user forcibly plays large volume for a long time.

Therefore, the invention provides a thin sound box with a large-diameter voice coil.

Disclosure of Invention

In order to make up for the defects of the prior art and solve the problem that a sound box cannot be protected after being played with large volume for a long time, the invention provides a thin sound box with a large-caliber voice coil.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a thin sound box with a large-caliber voice coil, which comprises a box body and a sound box main body, wherein the sound box main body comprises a base plate, a basin frame, U iron, a voice coil, a sound basin, an elastic wave and a dust cover, the basin frame is provided with a boss, the U iron is positioned below the boss, the sound basin is provided with an inverse R-shaped suspension deformation folded ring, when the sound box is in work, the voice coil adopts a large-caliber sound coil part, the bearing power of the voice coil is increased, the weight is increased along with the increase of the caliber of the voice coil, so that the bass effect is increased, the U iron is hidden below the boss, the thickness of the sound box can be reduced, the folded ring of the sound basin adopts an inverse R suspension edge design, the height can be reduced, and under the condition of high power, the front and rear vibration amplitudes of the sound box are reduced through increasing the caliber of the voice coil, so that the vibration space of the voice coil is saved, and the sound box is thinner.

Preferably, a support is fixedly installed inside the box body, a rotating wheel and a speed reducing assembly are movably installed inside the support, a plurality of spheres are installed between the rotating wheel and the speed reducing assembly, clamping grooves corresponding to the spheres are formed in the rotating wheel, the rotating wheel is connected with the loudspeaker main body through a driving assembly, and a switch is installed inside the box body and below the speed reducing assembly; when the loudspeaker works, the loudspeaker main body also generates vibration when working and sounding, the rotating wheel is driven to rotate continuously by the driving assembly, the ball body is continuously stirred into the speed reducing assembly in the rotating process of the rotating wheel, the ball body slowly falls in the speed reducing assembly, when the loudspeaker main body is in a long-time large-volume playing state, the continuous vibration with larger amplitude is generated, the rotating wheel rotates faster, the speed of stirring the ball body into the speed reducing assembly is increased, the ball body in the speed reducing assembly becomes more, the whole mass of the speed reducing assembly becomes heavier and moves downwards to touch the switch, the switch cuts off a circuit of the loudspeaker main body, the loudspeaker main body is protected from being burnt out due to long-time large-volume playing, because the vibration amplitude of the loudspeaker main body is not large relatively, the vibration amplitude of the loudspeaker main body can be amplified by arranging the rotating wheel, and judgment is convenient, through setting up spheroid and speed reduction subassembly, only can trigger the outage operation when the speaker main part is in long-time big volume broadcast state, use safe and reliable.

Preferably, an inclined blanking pipe and an inclined feeding pipe are installed inside the support, the ball body rolls between the rotating wheel and the speed reducing assembly through the blanking pipe and the feeding pipe, the speed reducing assembly comprises a movable seat, the movable seat is slidably installed in the support, a speed reducing plate is arranged inside the movable seat, the speed reducing plate comprises a plurality of inclined plates which are arranged in a staggered mode, and a supporting assembly is installed at the bottom of the movable seat; when the loudspeaker main body does not work or is played normally, the number of the spheres in the movable seat is within a normal range, and the movable seat cannot move downwards under the supporting action of the supporting assembly; when the speaker main part is in long-time big volume broadcast state, the spheroid quantity in the movable seat becomes more, and movable seat weight is overweight, begins to move down and contact with the switch, triggers the outage, through this kind of setting, can carry out steady monitoring to the operating condition of speaker main part, also can not trigger the outage operation, uses safe and reliable.

Preferably, the support assembly comprises a guide seat and a T-shaped plate, the guide seat is fixedly mounted on a support, the T-shaped plate is fixedly mounted at the bottom of the movable seat, the T-shaped plate is movably inserted into the guide seat, a support pressure spring is mounted on the outer side of the T-shaped plate, an insertion plate is movably inserted into the T-shaped plate, the position of the insertion plate is matched with that of the switch, a limiting plate is fixedly mounted on the outer side of the insertion plate and positioned inside the guide seat, a main spring is mounted between the limiting plate and the T-shaped plate, a stop block for blocking the limiting plate is movably mounted inside the guide seat, a pressure rod corresponding to the stop block is fixedly mounted at the bottom of the movable seat, a slope section is arranged on the pressure rod, and a groove corresponding to the slope section is arranged on the stop block; when the device works, in an initial state, the stop block is stopped below the limiting plate so as to fix the inserting plate, the pressure rod is vertically separated from the stop block, and the T-shaped plate is kept fixed under the pushing of the supporting pressure spring and the main spring so as to support the movable seat; when the loudspeaker main body does not work or is played normally, the movable seat is not overweight, supports the pressure spring to enable the movable seat to move up and down in a normal range, the plug board is blocked by the stop block and cannot move down, and the switch cannot be triggered, so that the condition of false triggering and power failure is avoided; after the long-time big volume of speaker main part is broadcast, the sliding seat is overweight, and the range of shifting down is too big, and the depression bar moves down and contacts with the dog, and the depression bar extrusion dog removes for the dog staggers with the limiting plate, and the picture peg moves down and contacts with the switch under the promotion of main spring, has realized the function of auto-power-off after the long-time big volume of speaker main part broadcast.

Preferably, an air chamber is fixedly mounted in the box body, a valve and a nozzle are mounted on the air chamber, an inflator is mounted inside the support and below the movable seat, the inflator comprises a piston rod, a return spring is arranged on the piston rod, and the inflator is communicated with the air chamber through an air guide pipe; the during operation, speaker main part during operation irregular vibration can drive the sliding seat and constantly reciprocate, the sliding seat can extrude the piston rod on the inflater when moving down for the inflater constantly fills gas in to the air chamber, can set up one-way pneumatic valve in the air chamber, avoid gaseous leakage, after the gas capacity reaches the certain degree in the air chamber, gaseous valve of breaking away, outwards spout via the nozzle, blow the clearance to the inside of box, after having solved the inside dust that is infected with of box, influence the problem of loudspeaker main part sound producing effect.

Preferably, a hollow disc and a driven wheel are rotatably mounted below the support, the hollow disc and the inserting plate are staggered, a driven assembly is mounted on the hollow disc, a one-way ratchet is mounted on the driven wheel, an annular pawl is mounted on the hollow disc, a tooth section matched with the annular pawl is arranged at the bottom end of the inserting plate, a touch pressing plate corresponding to the switch is fixedly mounted at the bottom of the driven wheel, and the switch and the touch pressing plate are staggered; when the power-off switch works, the hollow disc and the plug board are staggered in an initial state, and when the plug board moves in a normal range, the driven wheel cannot be driven to rotate, the switch is not contacted, and the power-off operation cannot be triggered; after the loudspeaker main body plays with big sound volume for a long time, the range that movable seat and picture peg moved down is too big, and the movable seat drives hollow disc through driven subassembly and removes for hollow disc removes to picture peg and from between the driving wheel, and hollow disc passes through one-way ratchet and annular pawl with from the driving wheel and constitutes one-way rotary mechanism, and the picture peg passes through tooth section and hollow disc meshing, and consequently, picture peg accessible hollow disc drives from the driving wheel rotation, makes to touch clamp plate and switch contact, realizes the outage operation automatically.

Preferably, the driven assembly comprises a sliding plate which is slidably mounted at the bottom end of the support, the hollow disc is rotatably mounted on the sliding plate, the bottom end of the movable seat is fixedly provided with a connecting plate which is inserted into the sliding plate, the bottom end of the connecting plate is fixedly connected with two positioning blocks, the two positioning blocks are respectively positioned in and above the sliding plate, and slopes are arranged on the positioning blocks; when the hollow disc works, the movable seat can drive the sliding plate to slide left and right through the two positioning blocks when moving up and down, and the hollow disc is rotatably arranged on the sliding plate, so that the hollow disc can move left and right and can rotate per se.

Preferably, a rotating shaft is rotatably mounted on the side wall of the box body, an indicating plate is mounted at one end of the rotating shaft extending to the outer side of the box body, a friction disc is fixedly mounted at one end of the rotating shaft located at the inner side of the box body, and the size of the friction disc is matched with that of the hollow disc; the during operation, after the long-time big volume of sound of speaker main part broadcast, the picture peg moves down and drives hollow disc rotation and removal, hollow disc remove the back and the friction disk contact, the two friction joint, rotatory hollow disc can drive the friction disk rotation, and then makes the indicator board that is located the box outside take place to deflect, and the user can judge the automatic protection that is after the long-time big volume of sound of speaker main part broadcast through the state of observing the indicator board, can in time handle, and the suggestion is directly perceived, convenient to use.

Preferably, the driving assembly comprises a pawl plate movably mounted in the box body, a contact block corresponding to the loudspeaker main body is arranged on the pawl plate, the rotating wheel is rotatably mounted on the support through a driving shaft, and a ratchet wheel meshed and connected with the pawl plate is fixedly mounted on the driving shaft; during operation, one-way rotary mechanism is constituteed with the ratchet to the pawl board, the speaker main part vibrates during the sound production, it constantly rocks to drive the pawl board, the shape of pawl board can design according to the mounted position of speaker main part, the pawl board passes through the ratchet and drives drive shaft and runner unidirectional rotation, make the runner move the spheroid in the sliding seat, through this kind of design, even the amplitude of speaker main part is very little, it removes less with the rotatory range of runner to drive the pawl board in the course of the work, also can be at the in-process of continuous work, the realization is with the spheroid function in moving to the sliding seat, and single spheroidal quality is less, more easily driven, the operation of device has wholly been made things convenient for.

Preferably, the top end of the inserting plate is fixedly connected with a partition plate inserted into the movable seat, and the inserting plate is fixedly connected with a piston rod in the inflating cylinder; during working, the up-and-down movement of the inserting plate and the left-and-right movement of the sliding plate are designed, the vibration of the loudspeaker main body drives the movable seat to continuously move up and down, during normal playing, the downward movement of the movable seat can also drive the inserting plate to move downwards and the sliding plate to move horizontally, after the sliding plate moves, the hollow plate is not contacted with the friction disc, therefore, a switch can not be triggered, in the process, before the inserting plate moves downwards, the partition plate is driven to extend out of the inner part of the movable seat, a ball body in the movable seat is prevented from entering the feeding pipe, after the ball body is accumulated in the movable seat for a certain amount, the movable seat drives the pressure rod to move downwards to squeeze the stop block, the inserting plate and the partition plate move downwards quickly under the pushing of the main spring, after the partition plate moves downwards, the ball body can fall into the feeding pipe, the inserting plate impacts a piston rod in the inflator, so that the piston rod can move quickly, and further generate faster air flow, the inflation pressure in the air chamber can be further improved, and the air jet scouring effect is further improved.

The invention has the following beneficial effects:

1. according to the thin sound box with the large-caliber voice coil, when the loudspeaker main body is in a long-time large-volume playing state, continuous vibration with a larger amplitude can be generated, so that the rotating wheel rotates faster, balls in the speed reducing assembly become more, the whole quality of the speed reducing assembly becomes heavier and moves downwards to touch the switch, the switch cuts off a circuit of the loudspeaker main body, the condition that the loudspeaker main body is burnt out due to long-time large-volume playing is improved, real-time monitoring can be achieved, and the thin sound box is safe and reliable to use.

2. According to the thin sound box with the large-caliber voice coil, when the loudspeaker main body works, the loudspeaker main body vibrates irregularly, the movable seat can be driven to move up and down continuously, the air pump is extruded to inflate the air chamber, when the inflation quantity in the air chamber reaches a certain degree, the air rushes the valve, and is sprayed out through the nozzle to blow and clean the interior of the box body, and the problem that the sound production effect of the loudspeaker main body is influenced after dust is adhered to the interior of the box body is solved.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a schematic of the present invention;

FIG. 2 is a structural display diagram of the speaker body of the present invention;

FIG. 3 is a top view of the speaker body of the present invention;

FIG. 4 is a front cross-sectional view of the present invention;

FIG. 5 is a schematic view of the mounting structure of the rotor of the present invention;

FIG. 6 is a sectional view of a second movable mount mounting structure according to an embodiment of the present invention;

FIG. 7 is an enlarged view of portion A of FIG. 6 in accordance with the present invention;

FIG. 8 is a cross-sectional view of a hollow plate and friction plate configuration of the present invention;

FIG. 9 is a side view of the hollow disc and driven wheel arrangement of the present invention;

FIG. 10 is a rear perspective view of the detent plate and drive shaft arrangement of the present invention;

FIG. 11 is a sectional view of a connecting structure of a triple-diaphragm according to an embodiment of the present invention;

FIG. 12 is a schematic view of a connection structure of a three-plug board and an inflator according to an embodiment of the present invention;

in the figure: 1. a box body; 2. a speaker main body; 201. a substrate; 202. a basin stand; 203. iron U; 204. A voice coil; 205. a sound basin; 206. elastic wave; 207. a dust cover; 3. a support; 4. a rotating wheel; 5. a sphere; 6. a speed reduction assembly; 7. an indicator panel; 8. a discharging pipe; 9. a feed pipe; 10. a movable seat; 11. a speed reduction plate; 12. a guide seat; 13. a T-shaped plate; 14. supporting a pressure spring; 15. inserting plates; 16. a limiting plate; 17. a main spring; 18. a stopper; 19. an air chamber; 20. an inflator; 21. an air duct; 22. a hollow disc; 23. a driven wheel; 24. a one-way ratchet; 25. an annular pawl; 26. a switch; 27. a pressure plate is contacted; 28. a rotating shaft; 29. A friction disk; 30. a slide plate; 31. connecting plates; 32. positioning blocks; 33. a drive shaft; 34. a ratchet wheel; 35. A pawl plate; 36. a pressure lever; 37. a separator.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easily understood, the invention is further explained by combining the specific embodiments.

Example one

As shown in fig. 1 to 3, the slim type sound box with a large-caliber voice coil according to the present invention includes a box body 1 and a speaker body 2, where the speaker body 2 includes a base plate 201, a frame 202, a U-shaped iron 203, a voice coil 204, a cone 205, an elastic wave 206 and a dust cover 207, the frame 202 is provided with a boss, the U-shaped iron 203 is located below the boss, and the cone 205 is provided with an inverse R-shaped suspended and varied folded ring, when in operation, the voice coil 204 adopts a large-caliber voice coil component to increase the bearing power of the voice coil 204, and as the caliber of the voice coil 204 increases, the weight also increases, and then the product FO (the natural resonant frequency point of the loudspeaker at a low frequency band) decreases, so as to increase the bass effect, the U-shaped iron 203 is hidden under the boss, so as to reduce the thickness of the sound box, and the folded ring of the cone 205 adopts an inverse R-shaped suspended edge design, so as to reduce the height, and by increasing the caliber of the voice coil 204, in case of a large power, the amplitude of the sound box is reduced, thus saving the vibration space of the voice coil 204 and making the sound box thinner.

Example two

As shown in fig. 4 to 10, a first comparative example, in which another embodiment of the present invention is: a support 3 is fixedly arranged in the box body 1, a rotating wheel 4 and a speed reducing assembly 6 are movably arranged in the support 3, a plurality of spheres 5 are arranged between the rotating wheel 4 and the speed reducing assembly 6, clamping grooves corresponding to the spheres 5 are formed in the rotating wheel 4, the rotating wheel 4 is connected with the loudspeaker main body 2 through a driving assembly, and a switch 26 is arranged in the box body 1 and below the speed reducing assembly 6; when the loudspeaker works, the loudspeaker main body 2 also generates vibration when working to generate sound, the rotating wheel 4 is driven to rotate continuously by the driving component, the ball body 5 is shifted into the speed reducing component 6 continuously in the rotating process of the rotating wheel 4, the ball body 5 slowly descends in the speed reducing component 6, when the loudspeaker main body 2 is in a long-time large-volume playing state, the continuous vibration with larger amplitude is generated, the rotating wheel 4 rotates faster, the speed of shifting the ball body 5 into the speed reducing component 6 is increased, the ball body 5 in the speed reducing component 6 is increased, the whole mass of the speed reducing component 6 is heavy and moves downwards to touch the switch 26, the switch 26 cuts off the circuit of the loudspeaker main body 2, the loudspeaker main body 2 is protected from being burnt out due to long-time large-volume playing, because the vibration amplitude of the loudspeaker main body 2 is not large relatively, the vibration amplitude of the loudspeaker main body 2 can be amplified by arranging the rotating wheel 4, the convenience is judged, through setting up spheroid 5 and speed reduction unit 6, only can trigger the outage operation when speaker main part 2 is in long-time big volume broadcast state, uses safe and reliable.

An inclined blanking pipe 8 and an inclined feeding pipe 9 are arranged inside the support 3, the sphere 5 rolls between the rotating wheel 4 and the speed reducing assembly 6 through the blanking pipe 8 and the feeding pipe 9, the speed reducing assembly 6 comprises a movable seat 10, the movable seat 10 is slidably arranged in the support 3, a speed reducing plate 11 is arranged inside the movable seat 10, the speed reducing plate 11 comprises a plurality of inclined plates which are arranged in a staggered mode, and a supporting assembly is arranged at the bottom of the movable seat 10; when the loudspeaker main body 2 does not work or is played normally, the number of the spheres 5 in the movable seat 10 is within a normal range, and the movable seat 10 cannot move downwards under the supporting action of the supporting assembly; when the loudspeaker main body 2 is in a long-time large-volume playing state, the number of the balls 5 in the movable seat 10 becomes large, the movable seat 10 is overweight, starts to move downwards and is in contact with the switch 26 to trigger power-off, and by means of the arrangement, the working state of the loudspeaker main body 2 can be monitored in real time, power-off operation cannot be triggered, and the loudspeaker main body is safe and reliable to use.

The support assembly comprises a guide seat 12 and a T-shaped plate 13, the guide seat 12 is fixedly arranged on a support 3, the T-shaped plate 13 is fixedly arranged at the bottom of the movable seat 10, the T-shaped plate 13 is movably inserted into the guide seat 12, a support pressure spring 14 is arranged on the outer side of the T-shaped plate 13, an inserting plate 15 is movably inserted into the T-shaped plate 13, the position of the inserting plate 15 is matched with a switch 26, a limiting plate 16 is fixedly arranged on the outer side of the inserting plate 15 and positioned inside the guide seat 12, a main spring 17 is arranged between the limiting plate 16 and the T-shaped plate 13, a stop block 18 for stopping the limiting plate 16 is movably arranged inside the guide seat 12, a pressure rod 36 corresponding to the stop block 18 is fixedly arranged at the bottom of the movable seat 10, a slope section is arranged on the pressure rod 36, and a groove corresponding to the slope section is arranged on the stop block 18; during operation, in an initial state, the stopper 18 is stopped below the limit plate 16, so that the inserting plate 15 is fixed, the press rod 36 is vertically separated from the stopper 18, and the T-shaped plate 13 is kept fixed under the pushing of the supporting pressure spring 14 and the main spring 17, so that the movable seat 10 is supported; when the loudspeaker main body 2 does not work or is played normally, the movable seat 10 is not overweight, the pressure spring 14 is supported to enable the movable seat 10 to move up and down in a normal amplitude, the inserting plate 15 is blocked by the stop block 18 and cannot move down, and the switch 26 cannot be triggered, so that the condition of false triggering and power failure is ensured not to occur; after the loudspeaker main body 2 plays with a large volume for a long time, the movable seat 10 is overweight, the downward movement amplitude is overlarge, the pressing rod 36 moves downward and contacts with the stop block 18, the pressing rod 36 extrudes the stop block 18 to move, the stop block 18 is staggered with the limiting plate 16, the inserting plate 15 moves downward under the pushing of the main spring 17 and contacts with the switch 26, and the function of automatic power off after the loudspeaker main body 2 plays with a large volume for a long time is realized.

An air chamber 19 is fixedly arranged in the box body 1, a valve and a nozzle are arranged on the air chamber 19, an inflator 20 is arranged in the support 3 and below the movable seat 10, the inflator 20 comprises a piston rod, a return spring is arranged on the piston rod, and the inflator 20 is communicated with the air chamber 19 through an air guide pipe 21; the during operation, 2 during operation irregular oscillations of speaker main part, can drive sliding seat 10 constantly reciprocates, the piston rod on can extruding inflater 20 when sliding seat 10 moves down, make inflater 20 constantly aerify in to air chamber 19, can set up one-way pneumatic valve in air chamber 19, avoid gaseous leakage, after the gas filling volume reaches the certain degree in air chamber 19, gaseous valve of kicking open, spout outward via the nozzle, blow the clearance to the inside of box 1, the inside dust that is infected with of box 1 has been solved, influence the problem of 2 sound producing effects of speaker main part.

A hollow disc 22 and a driven wheel 23 are rotatably mounted below the support 3, the hollow disc 22 is staggered with the plug board 15, a driven component is mounted on the hollow disc 22, a one-way ratchet 24 is mounted on the driven wheel 23, an annular pawl 25 is mounted on the hollow disc 22, a tooth section matched with the annular pawl 25 is arranged at the bottom end of the plug board 15, a touch pressure plate 27 corresponding to a switch 26 is fixedly mounted at the bottom of the driven wheel 23, and the switch 26 is staggered with the touch pressure plate 27; when the plug board 15 moves in a normal range, the driven wheel 23 cannot be driven to rotate, the switch 26 is not contacted, and the power-off operation cannot be triggered; after the loudspeaker main body 2 plays with a large volume for a long time, the moving seat 10 and the plug board 15 move downwards with an excessively large amplitude, the moving seat 10 drives the hollow disc 22 to move through the driven component, so that the hollow disc 22 moves between the plug board 15 and the driven wheel 23, the hollow disc 22 and the driven wheel 23 form a one-way rotating mechanism through the one-way ratchet 24 and the annular pawl 25, the plug board 15 is meshed with the hollow disc 22 through the tooth section, therefore, the plug board 15 can drive the driven wheel 23 to rotate through the hollow disc 22, so that the touch pressing board 27 is in contact with the switch 26, and the automatic power-off operation is realized.

The driven assembly comprises a sliding plate 30 which is slidably arranged at the bottom end of the support 3, the hollow disc 22 is rotatably arranged on the sliding plate 30, a connecting plate 31 which is inserted into the sliding plate 30 is fixedly arranged at the bottom end of the movable seat 10, two positioning blocks 32 are fixedly connected to the bottom end of the connecting plate 31, the two positioning blocks 32 are respectively positioned in and above the sliding plate 30, and slopes are arranged on the positioning blocks 32; when the movable seat 10 moves up and down, the two positioning blocks 32 can drive the sliding plate 30 to slide left and right, and the hollow disc 22 is rotatably mounted on the sliding plate 30, so that the hollow disc 22 can move left and right and rotate.

A rotating shaft 28 is rotatably mounted on the side wall of the box body 1, an indicating plate 7 is mounted at one end of the rotating shaft 28 extending to the outer side of the box body 1, a friction disc 29 is fixedly mounted at one end of the rotating shaft 28 positioned at the inner side of the box body 1, and the size of the friction disc 29 is matched with that of the hollow disc 22; the during operation, after speaker main part 2 broadcast for a long time the big volume, picture peg 15 moves down and drives hollow disc 22 rotation and removal, hollow disc 22 moves the back and contacts with friction disc 29, the two friction joint, rotatory hollow disc 22 can drive friction disc 29 rotation, and then make the indicator board 7 that is located the box 1 outside take place to deflect, the user is through observing the state of indicator board 7, can judge the automatic protection after speaker main part 2 broadcasts for a long time the big volume, can in time handle, the suggestion is directly perceived, high durability and convenient use.

The driving assembly comprises a pawl plate 35 movably arranged in the box body 1, a contact block corresponding to the loudspeaker main body 2 is arranged on the pawl plate 35, the rotating wheel 4 is rotatably arranged on the support 3 through a driving shaft 33, and a ratchet wheel 34 meshed and connected with the pawl plate 35 is fixedly arranged on the driving shaft 33; during operation, pawl board 35 and ratchet 34 constitute unidirectional rotating mechanism, speaker main part 2 vibrates when sounding, it constantly rocks to drive pawl board 35, the shape of pawl board 35 can design according to the mounted position of speaker main part 2, pawl board 35 drives drive shaft 33 and runner 4 unidirectional rotation through ratchet 34, make runner 4 move spheroid 5 to the sliding seat 10 in, through this kind of design, even speaker main part 2's amplitude is very little, it is less to drive the amplitude that pawl board 35 removed and runner 4 rotated in the course of the work, also can be at the in-process of constantly working, the realization is with the function in spheroid 5 moves to the sliding seat 10, and the quality of single spheroid 5 is less, it is more easily driven, the operation of whole device has been made things convenient for.

EXAMPLE III

As shown in fig. 11 and 12, a second comparative example, in which another embodiment of the present invention is: the top end of the inserting plate 15 is fixedly connected with a partition plate 37 inserted into the movable seat 10, and the inserting plate 15 is fixedly connected with a piston rod in the inflating cylinder 20; during operation, through designing the up-and-down movement of the inserting plate 15 and the left-and-right movement of the sliding plate 30, the vibration of the speaker body 2 drives the movable seat 10 to continuously move up and down, during normal playing, the downward movement of the movable seat 10 also drives the inserting plate 15 to move downward and the sliding plate 30 to move horizontally, and after the sliding plate 30 moves, the hollow plate 22 does not contact with the friction plate 29, so the switch 26 is not triggered, during this process, before the inserting plate 15 moves downward, the partition plate 37 is driven to extend into the movable seat 10, the sphere 5 in the movable seat 10 is prevented from entering the feeding pipe 9, after a certain amount of the sphere 5 is accumulated in the movable seat 10, the movable seat 10 drives the press rod 36 to move downward to squeeze the stopper 18, the inserting plate 15 and the partition plate 37 move downward rapidly under the push of the main spring 17, after the partition plate 37 moves downward, the sphere 5 can fall into the feeding pipe 9, the inserting plate 15 impacts the piston rod in the inflating cylinder 20, the piston rod can move rapidly, so that faster air flow is generated, the inflation air pressure in the air chamber 19 can be further improved, and the air jet scouring effect is improved.

The working principle is as follows:

in the initial state, the hollow disc 22 is staggered with the inserting plate 15, when the inserting plate 15 moves in a normal range, the driven wheel 23 cannot be driven to rotate, the switch 26 is not contacted, and the power-off operation cannot be triggered; in an initial state, the stop block 18 is stopped below the limit plate 16, so that the inserting plate 15 is fixed, the press rod 36 is vertically separated from the stop block 18, and the T-shaped plate 13 is kept fixed under the pushing of the supporting pressure spring 14 and the main spring 17, so that the movable seat 10 is supported;

the loudspeaker main body 2 can also generate vibration when working and sounding, the rotating wheel 4 is driven to rotate continuously by the driving component, the ball body 5 is shifted into the speed reducing component 6 continuously in the rotating process of the rotating wheel 4, the ball body 5 slowly falls in the speed reducing component 6, when the loudspeaker main body 2 is in a long-time large-volume playing state, continuous vibration with a larger amplitude can be generated, the rotating wheel 4 is enabled to rotate faster, the speed of shifting the ball body 5 into the speed reducing component 6 is increased, the ball body 5 in the speed reducing component 6 is increased, the whole mass of the speed reducing component 6 is heavy and moves downwards to touch the switch 26, the switch 26 cuts off a circuit of the loudspeaker main body 2, the loudspeaker main body 2 is protected from being burnt out due to long-time large-volume playing, because the vibration amplitude of the loudspeaker main body 2 is not large relatively, through the rotating wheel 4, the vibration amplitude of the loudspeaker main body 2 can be amplified, convenient judgement, through setting up spheroid 5 and speed reduction unit 6, only can trigger the outage operation when speaker main part 2 is in long-time big volume broadcast state, use safe and reliable.

After the rotating runner 4 brings the spheres 5 to the top end, the spheres 5 fall into the movable seat 10 along the blanking pipe 8, slowly roll along the zigzag of the speed reducing plate 11, and then roll to the bottom end of the runner 4 through the feeding pipe 9, so that the spheres can be recycled, when the loudspeaker main body 2 does not work or is normally played, the number of the spheres 5 in the movable seat 10 is within a normal range, and the movable seat 10 cannot move downwards under the supporting action of the supporting component; when the loudspeaker main body 2 is in a long-time large-volume playing state, the number of the balls 5 in the movable seat 10 becomes large, the movable seat 10 is overweight in weight, starts to move downwards and is in contact with the switch 26 to trigger power-off, and by means of the arrangement, the working state of the loudspeaker main body 2 can be stably monitored, power-off operation cannot be triggered during normal work, and the loudspeaker main body is safe and reliable to use.

When the loudspeaker main body 2 does not work or is played normally, the movable seat 10 is not overweight, the pressure spring 14 is supported to ensure that the movable seat 10 moves up and down in a normal amplitude, the flashboard 15 is blocked by the stop block 18 and cannot move down, and the switch 26 cannot be triggered, so that the condition of false triggering and power failure is ensured not to occur; after the loudspeaker main body 2 plays with a large volume for a long time, the movable seat 10 is overweight, the downward movement amplitude is too large, the pressing rod 36 moves downward and contacts with the stop block 18, the pressing rod 36 extrudes the stop block 18 to move, the stop block 18 is staggered with the limiting plate 16, the inserting plate 15 moves downward under the pushing of the main spring 17 and contacts with the switch 26, and the function of automatic power off after the loudspeaker main body 2 plays with a large volume for a long time is realized.

2 irregular vibrations of speaker main part during operation, can drive sliding seat 10 constantly and reciprocate, can extrude the piston rod on the inflater 20 when sliding seat 10 moves down, make inflater 20 constantly to air chamber 19, can set up one-way pneumatic valve in air chamber 19, avoid gaseous leakage, after the air chamber 19 is filled with the tolerance and reaches the certain degree, gaseous valve of opening by rush, outwards spout via the nozzle, blow the brush clearance to the inside of box 1, improved behind the inside dust that is infected with of box 1, influence the problem of 2 sound producing effects of speaker main part.

After the loudspeaker main body 2 plays with a large volume for a long time, the moving seat 10 and the plug board 15 move downwards with an excessively large amplitude, the moving seat 10 drives the hollow disc 22 to move through the driven component, so that the hollow disc 22 moves between the plug board 15 and the driven wheel 23, the hollow disc 22 and the driven wheel 23 form a one-way rotating mechanism through the one-way ratchet 24 and the annular pawl 25, the plug board 15 is meshed with the hollow disc 22 through the tooth section, therefore, the plug board 15 can drive the driven wheel 23 to rotate through the hollow disc 22, so that the touch board 27 is in contact with the switch 26, and the power-off operation is automatically realized.

When the movable seat 10 moves up and down, the two positioning blocks 32 drive the sliding plate 30 to slide left and right, and the hollow disc 22 is rotatably mounted on the sliding plate 30, so that the hollow disc 22 can move left and right and rotate.

After loudspeaker body 2 broadcast big volume for a long time, picture peg 15 moves down and drives hollow disc 22 rotatory and removal, hollow disc 22 moves back and friction disk 29 contact, the two friction coupling, rotatory hollow disc 22 can drive friction disk 29 rotatory, and then make the indicator board 7 that is located the box 1 outside take place to deflect, the user is through observing the state of indicator board 7, can judge that it is the automatic protection after loudspeaker body 2 broadcasts big volume for a long time, in time handle, the suggestion is directly perceived, high durability and convenient use.

One-way rotation mechanism is composed of a pawl plate 35 and a ratchet wheel 34, the speaker body 2 vibrates when sounding, the pawl plate 35 is driven to shake continuously, the shape of the pawl plate 35 can be designed according to the installation position of the speaker body 2, the pawl plate 35 drives a driving shaft 33 and a rotating wheel 4 to rotate unidirectionally through the ratchet wheel 34, and the rotating wheel 4 enables a sphere 5 to run into a movable seat 10.

By designing the up-and-down movement of the inserting plate 15 and the left-and-right movement of the sliding plate 30, the vibration of the speaker body 2 drives the movable seat 10 to move up and down continuously, during normal playing, the downward movement of the movable seat 10 also drives the inserting plate 15 to move downward and the sliding plate 30 to move horizontally, and after the sliding plate 30 moves, the hollow plate 22 does not contact with the friction plate 29, therefore, the switch 26 is not triggered, in the process, the inserting plate 15 moves downward and drives the partition plate 37 to extend into the movable seat 10 to prevent the sphere 5 in the movable seat 10 from entering the feeding pipe 9, after the sphere 5 is accumulated in the movable seat 10 by a certain amount, the movable seat 10 drives the press rod 36 to move downward to squeeze the stopper 18 open, the inserting plate 15 and the partition plate 37 move downward rapidly under the push of the main spring 17, after the partition plate 37 moves downward, the sphere 5 can fall into the feeding pipe 9, the inserting plate 15 impacts the piston rod in the inflating cylinder 20, the piston rod can move rapidly, so that faster air flow is generated, the inflation air pressure in the air chamber 19 can be further improved, and the air jet scouring effect is improved.

The front, the back, the left, the right, the upper and the lower are all based on the figure 1 in the attached drawings of the specification, according to the standard of the observation angle of human beings, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and so on.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.