CN111741414A

CN111741414A - Dustproof liftable speaker

Info

Publication number: CN111741414A
Application number: CN202010636588.5A
Authority: CN
Inventors: 许成龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2020-10-02

Abstract

The invention discloses a dustproof liftable loudspeaker, which comprises a mobile vehicle and a loudspeaker body, wherein wheels are arranged at the bottom of the mobile vehicle, a hydraulic cylinder is arranged in the mobile vehicle, a hydraulic lifting rod extending out of the upper part of the mobile vehicle is arranged at the output end of the hydraulic cylinder, the loudspeaker body is positioned in a loudspeaker seat, the loudspeaker seat is fixed at the top of the hydraulic lifting rod, a control board connected with the loudspeaker body is arranged at the tail part of the loudspeaker seat, a voice coil and a conical diaphragm are arranged at the front end of the loudspeaker body, and the conical diaphragm is positioned in front of the voice coil; this device is when clearing up, can guarantee to carry out the effective clearance of equiquantification to conical surface vibrating diaphragm different positions, also avoided the damage that probably causes equipment under the artifical clearance mode of conventionality, also distinguish simultaneously with the impaired condition of equipment effect of raising one's voice that the mode of conventional installation dust cover brought, satisfy the user to the demand of speaker quality of raising one's voice, accomplish the clearance back, the adjusting motor back drive threaded rod rotates to avoid the normal work of speaker body.

Description

Dustproof liftable speaker

Technical Field

The invention relates to a loudspeaker, in particular to a dustproof liftable loudspeaker.

Background

The loudspeaker is a transducer for converting an electric signal into an acoustic signal, and the quality of the loudspeaker has great influence on the sound quality; the loudspeaker is the weakest component in the audio equipment, and is the most important component for the audio effect.

Because the loudspeaker is also an electric appliance and is used in an open field, dust cannot be completely avoided, particularly, a large amount of dust can be attached to the vibrating diaphragm on the loudspeaker when the vibrating diaphragm is used for a long time, and the normal use is influenced because the vibrating diaphragm is easily damaged by manual cleaning in a conventional way; chinese patent publication No. CN208638670U is a compact dustproof speaker, and chinese patent publication No. CN208046900U is a dustproof speaker for multimedia sound, etc., which adopts a structure of a dustproof filter screen, but the additional structure may cause the propagation of sound to be damaged, which affects the normal use.

Disclosure of Invention

The invention aims to provide a dustproof liftable loudspeaker to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a dustproof liftable loudspeaker comprises a mobile vehicle and a loudspeaker body, wherein wheels are arranged at the bottom of the mobile vehicle, a hydraulic cylinder is arranged in the mobile vehicle, a hydraulic lifting rod extending out of the upper part of the mobile vehicle is arranged at the output end of the hydraulic cylinder, the loudspeaker body is positioned in a loudspeaker seat, the loudspeaker seat is fixed at the top of the hydraulic lifting rod, a control panel connected with the loudspeaker body is arranged at the tail part of the loudspeaker seat, a voice coil and a conical diaphragm are arranged at the front end of the loudspeaker body, the conical diaphragm is positioned in front of the voice coil, a dust removal structure is arranged at the front end of the loudspeaker seat and comprises a gear ring, the gear ring is in sliding connection with the loudspeaker seat, a fixed rod is arranged at the inner side of the gear ring, an adjusting motor is arranged at the outer side of the fixed rod, a threaded rod penetrating through, be equipped with the axis of rotation on the dead lever, be equipped with the brush board in the axis of rotation, the brush board leading flank is equipped with soft brush hair, is equipped with the spout at the brush board back, the spout is seted up along brush board length direction, is equipped with rather than sliding connection's slider in the spout, the slider is fixed at internal thread pipe front end, speaker base portion is fixed with driving motor, and driving motor's output shaft has drive gear, drive gear and gear ring are connected.

The outer side of the gear ring is provided with a protection ring which is integrally formed with the gear ring, the inner diameter of the protection ring is the same as that of the gear ring, the outer diameter of the protection ring is larger than that of the gear ring, the gear ring and the protection ring form a driven disc, the inner side of the gear ring is provided with an insertion column which is inserted into the loudspeaker seat, the front side surface of the loudspeaker seat is provided with a guide ring groove, and the insertion column is in sliding connection with the guide ring groove; the top surface of the moving vehicle is provided with a balance rod, the tail part of the loudspeaker base is provided with a balance groove which is communicated up and down, and the balance rod is inserted in the balance groove and is in sliding connection with the balance groove.

As a preferred embodiment of the present invention: a negative pressure fan is further arranged on the outer side of the fixed rod, the input end of the negative pressure fan is connected with a dust collection cover, the dust collection cover is positioned on the inner side of the fixed rod, the output end of the negative pressure fan is connected with a dust exhaust pipe, and the other end of the dust exhaust pipe is connected with a dust collection box; the dust collection box is provided with an exhaust pipe, and a filter screen is arranged on the exhaust pipe.

Compared with the prior art, the invention has the beneficial effects that: when the device is cleaned, firstly, the adjusting motor is started, the adjusting motor drives the threaded rod to rotate, the inner threaded pipe and the threaded rod relatively rotate and extend through the limiting action of the sliding block and the sliding groove, the sliding block slides along the sliding groove, the brush plate rotates by taking the rotating shaft as the center, so that the soft bristles on the front side surface of the brush plate are attached to the conical surface vibrating diaphragm, then, the driving motor is started, the gear ring is driven to rotate through the rotation of the driving gear, the brush plate cleans the surface of the conical surface vibrating diaphragm, through mechanical adjustment, the equivalent effective cleaning can be carried out on different positions of the conical surface vibrating diaphragm, the damage possibly caused to equipment in the conventional manual cleaning mode is avoided, meanwhile, the condition that the equipment effect is damaged in the mode of conventionally installing a dust cover is also distinguished, the requirement of a user on the loudspeaker quality is met, after the cleaning is completed, the adjusting motor drives the threaded rod to rotate reversely, so that normal work of the loudspeaker body is avoided.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a perspective view of the dust removing structure of the present invention.

Fig. 3 is a perspective view of the front face angle of fig. 2.

FIG. 4 is an enlarged side view of the dust removing structure of the present invention.

FIG. 5 is an enlarged side view of a second embodiment of the dust-removing structure of the present invention.

In the figure, 1-a moving vehicle, 2-a wheel, 3-a hydraulic lifting rod, 4-a balance rod, 5-a loudspeaker seat, 6-a control plate, 7-a balance groove, 8-a loudspeaker body, 9-a voice coil, 10-a cone diaphragm, 11-a driving motor, 12-a driving gear, 13-a driven plate, 14-a gear ring, 15-a protection ring, 16-a fixed rod, 17-an adjusting motor, 18-a threaded rod, 19-an internal thread pipe, 20-a brush plate, 21-a rotating shaft, 22-a sliding block, 23-a sliding chute, 24-a negative pressure fan, 25-a dust collection cover, 26-a dust exhaust pipe, 27-a dust collection box and 28-a plug column.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-2, a dustproof liftable speaker comprises a mobile vehicle 1 and a speaker body 8, wherein wheels 2 are arranged at the bottom of the mobile vehicle 1, a hydraulic cylinder is arranged in the mobile vehicle 1, a hydraulic lifting rod 3 extending out of the upper side of the mobile vehicle 1 is arranged at the output end of the hydraulic cylinder, the speaker body 8 is arranged in a speaker base 5, the speaker base 5 is fixed at the top of the hydraulic lifting rod 3, a control board 6 connected with the speaker body 8 is arranged at the tail of the speaker base 5, a voice coil 9 and a conical diaphragm 10 are arranged at the front end of the speaker body 8, the conical diaphragm 10 is arranged in front of the voice coil 9, specifically, a dust removal structure is arranged at the front end of the speaker base 5, dust can accumulate on the conical diaphragm 10 during long-time use, the surface of the conical diaphragm 10 can be cleaned through the dust removal structure, the dust removal structure comprises a gear ring 14, and, the loudspeaker is characterized in that a fixing rod 16 is arranged on the inner side of a gear ring 14, an adjusting motor 17 is arranged on the outer side of the fixing rod 16, a threaded rod 18 penetrating through the fixing rod 16 is arranged at the output end of the adjusting motor 17, an internal threaded pipe 19 rotatably connected with the threaded rod 18 is sleeved at the front end of the threaded rod 18, a rotating shaft 21 is arranged at the upper end of the fixing rod 16, a brush plate 20 is arranged on the rotating shaft 21, soft bristles are arranged on the front side surface of the brush plate 20, a sliding groove 23 is arranged on the back surface of the brush plate 20, the sliding groove 23 is formed along the length direction of the brush plate 20, a sliding block 22 in sliding connection with the sliding groove 23 is arranged in the sliding groove 23, the sliding block 22 is fixed at the front end of the internal threaded pipe 19, a driving motor 11 is fixed at the bottom of the loudspeaker base 5, a driving gear 12 is, when cleaning, firstly, the adjusting motor 17 is started, the adjusting motor 17 drives the threaded rod 18 to rotate, the internal threaded tube 19 and the threaded rod 18 relatively rotate and extend through the limiting action of the sliding block 22 and the sliding groove 23, the sliding block 22 slides along the sliding groove 23, the brush plate 20 rotates by taking the rotating shaft 21 as the center, so that the soft bristles on the front side surface of the brush plate 20 are attached to the conical surface diaphragm 10, then the driving motor 11 is started, the gear ring 14 is driven to rotate through the rotation of the driving gear 12, the brush plate 20 cleans the surface of the conical surface diaphragm 10, through mechanical adjustment, the equivalent effective cleaning can be carried out on different positions of the conical surface diaphragm 10, the possible damage to the equipment in the conventional manual cleaning mode is avoided, meanwhile, the condition that the loudspeaker effect of the equipment is damaged due to the mode of installing a dust cover in a conventional mode is also distinguished, and the requirement of a user on the loudspeaker quality is met, after the cleaning is completed, the adjustment motor 17 reversely drives the threaded rod 18 to rotate, thereby avoiding the normal operation of the speaker body 8.

Furthermore, the outer side of the gear ring 14 is provided with a protection ring 15 integrally formed with the gear ring 14, the inner diameter of the protection ring 15 is the same as the inner diameter of the gear ring 14, the outer diameter of the protection ring 15 is larger than the outer diameter of the gear ring 14, so that the gear teeth of the gear ring 14 are prevented from being damaged, the gear ring 14 and the protection ring 15 form a driven disc 13, the inner side of the gear ring 14 is provided with an insertion column 28 inserted into the loudspeaker base 5, the front side surface of the loudspeaker base 5 is provided with a guide ring groove, the insertion column 28 is in sliding connection with the guide ring groove, the driven disc 13 is prevented from deviating in the rotating process, and the cleaning effect is.

Simultaneously, 1 top surface of locomotive is equipped with balancing pole 4, and the balancing tank 7 that link up from top to bottom has been seted up at 5 afterbody of speaker seat, 4 cartridge of balancing pole are in balancing tank 7 and rather than sliding connection, when carrying out the lift adjustment from top to bottom of speaker seat 5, can avoid speaker seat 5 to take place to rock through balancing pole 4 and balancing tank 7 to guarantee the safety of equipment.

Example 2:

referring to fig. 5, on the basis of embodiment 1, in order to avoid that the raised dust generated by cleaning covers the conical vibrating diaphragm 10 again during cleaning, a negative pressure fan 24 is further disposed outside the fixing rod 16, an input end of the negative pressure fan 24 is connected to a dust collection cover 25, the dust collection cover 25 is located inside the fixing rod 16, an output end of the negative pressure fan 24 is connected to a dust exhaust pipe 26, the other end of the dust exhaust pipe 26 is connected to a dust collection box 27, during cleaning, the negative pressure fan 24 is synchronously started, the dust collection cover 25 generates negative pressure to attract dust, and the dust enters the dust collection box 27 through the dust exhaust pipe 26 to be collected under the driving of the negative pressure fan 24, so that repeated cleaning possibly caused is avoided.

Further, the dust collection box 27 has an exhaust pipe, a filter screen is disposed on the exhaust pipe, the exhaust pipe is configured to ensure balance of air pressure during the operation of the negative pressure fan 24, and the filter screen is configured to filter and intercept the exhausted air, so as to ensure centralized collection and treatment of dust in the dust collection box 27.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A dustproof liftable loudspeaker comprises a moving vehicle (1) and a loudspeaker body (8), wherein wheels (2) are arranged at the bottom of the moving vehicle (1), a hydraulic cylinder is arranged in the moving vehicle (1), a hydraulic lifting rod (3) extending out of the upper part of the moving vehicle (1) is arranged at the output end of the hydraulic cylinder, the loudspeaker body (8) is positioned in the loudspeaker seat (5), the loudspeaker seat (5) is fixed at the top of the hydraulic lifting rod (3), a control plate (6) connected with the loudspeaker body (8) is arranged at the tail part of the loudspeaker seat (5), a voice coil (9) and a conical vibrating diaphragm (10) are arranged at the front end of the loudspeaker body (8), the conical vibrating diaphragm (10) is positioned in front of the voice coil (9), the dustproof liftable loudspeaker is characterized in that a dust removal structure is arranged at the front end of the loudspeaker seat (5), the dust removal structure comprises a gear ring (14), and the gear ring (, a fixing rod (16) is arranged on the inner side of the gear ring (14), an adjusting motor (17) is arranged on the outer side of the fixing rod (16), a threaded rod (18) penetrating through the fixing rod (16) is arranged at the output end of the adjusting motor (17), an internal threaded pipe (19) in threaded rotation connection with the threaded rod is sleeved at the front end of the threaded rod (18), a rotating shaft (21) is arranged at the upper end of the fixing rod (16), a brush plate (20) is arranged on the rotating shaft (21), soft bristles are arranged on the front side surface of the brush plate (20), a sliding groove (23) is arranged on the back surface of the brush plate (20), the sliding groove (23) is formed along the length direction of the brush plate (20), a sliding block (22) in sliding connection with the sliding groove (23) is arranged in the sliding groove (23), the sliding block (22) is fixed at the front end of the internal threaded pipe (19), a driving motor, the driving gear (12) is connected with the gear ring (14).

2. The dustproof liftable speaker according to claim 1, wherein a protection ring (15) integrally formed with the gear ring (14) is arranged outside the gear ring (14), and the gear ring (14) and the protection ring (15) form a driven plate (13).

3. A dustproof liftable speaker according to claim 2, wherein the inner diameter of the protection ring (15) is the same as the inner diameter of the gear ring (14), and the outer diameter of the protection ring (15) is larger than the outer diameter of the gear ring (14).

4. The dustproof liftable speaker according to claim 1 or 2, wherein the gear ring (14) is provided with an insertion column (28) inside the speaker holder (5), the front side surface of the speaker holder (5) is provided with a guide ring groove, and the insertion column (28) is slidably connected with the guide ring groove.

5. The dustproof liftable speaker according to claim 1 or 2, wherein a balance bar (4) is arranged on the top surface of the moving vehicle (1), a balance groove (7) which is through from top to bottom is formed at the tail part of the speaker base (5), and the balance bar (4) is inserted into the balance groove (7) and is in sliding connection with the balance groove.

6. The dustproof liftable speaker according to claim 1 or 2, wherein a negative pressure fan (24) is further arranged outside the fixing rod (16), an input end of the negative pressure fan (24) is connected with a dust collection cover (25), the dust collection cover (25) is positioned inside the fixing rod (16), an output end of the negative pressure fan (24) is connected with a dust exhaust pipe (26), and the other end of the dust exhaust pipe (26) is connected with a dust collection box (27).

7. A dustproof liftable speaker according to claim 6, wherein the dust box (27) has an exhaust pipe, and a filter screen is provided on the exhaust pipe.