CN115665636B

CN115665636B - Sound amplifying device

Info

Publication number: CN115665636B
Application number: CN202211612107.2A
Authority: CN
Inventors: 李传友; 宋睿
Original assignee: Laiwu Vocational and Technical College
Current assignee: Laiwu Vocational and Technical College
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-03-28
Anticipated expiration: 2042-12-15
Also published as: CN115665636A

Abstract

The invention belongs to the technical field of sound amplification, and particularly provides a sound amplifying device which comprises a loudspeaker main body, wherein a sound receiving port is formed in the rear end face of the loudspeaker main body, a mounting ring seat is arranged at the sound receiving port, and a sound guide isolation cylinder with a sound receiving cover inside is mounted on the mounting ring seat. This public address set keeps apart a section of thick bamboo and keeps apart radio reception mouth and button through setting up the sound guide and forms independent radio reception region, independent radio reception region has not only improved the effect of radio reception, sound is blown away and leads to the effect of radio reception lower at the in-process of conveying when effectively avoiding speaking, moreover, independent radio reception region can effectively avoid the in-process droplet of speaking to splash on the button and influence the use of button, and then reduced droplet adnexed scope, the condition emergence of being infected with the droplet when having avoided the hand to press the button, the health in the loudspeaker use has been improved, and the simple operation of being convenient for of overall structure.

Description

Sound amplifying device

Technical Field

The invention relates to the technical field of sound amplification, in particular to a sound amplification device.

Background

The public address device is mainly used for amplifying input sound to enable the sound to be transmitted farther, a common handheld loudspeaker is one of the public address devices, the handheld loudspeaker usually comprises a radio receiving part, a public address part and a handheld part, and the public address device is mainly used for many occasions such as propaganda, outdoor activities and rescue.

The existing handheld horn is simple in structure and high in use convenience, but the using effect of the existing handheld horn needs to be improved, especially in rescue occasions, information needs to be clearly transmitted through the handheld horn in a noisy environment, but the existing handheld horn is usually fixedly arranged at the tail of the horn and is open due to the fact that a radio receiving port of a radio receiving part is arranged at the tail of the horn, in the using process, a mouth speaks towards the radio receiving port, sound is easily blown away by wind to reduce the radio receiving effect, the sound amplification effect is further reduced, the information transmission is further influenced, secondly, the radio receiving port of the existing handheld horn is not provided with an effective cleaning measure, and spray is attached to keys near the radio receiving port and the radio receiving port during speaking, so that bacteria are easily bred, the using sanitation of the horn is reduced, and the collection of the spray can directly influence the radio receiving effect of the radio receiving port.

Disclosure of Invention

To solve the above technical problems, the present invention provides a sound amplifying device, which is achieved by the following specific technical means: including the loudspeaker main part, be provided with the radio reception mouth on the rear end face of loudspeaker main part, radio reception mouth department is provided with the collar extension seat, install the inside sound guide isolation cylinder that takes the radio reception cover on the collar extension seat, sound guide isolation cylinder is including the installation section, be provided with the rotation section of taking the clearance piece on the installation section and cover corresponding sealed packing with the radio reception, sealed packing covers fixed connection and just is located the place ahead of receiving the sound cover in the installation section, the radio reception cover is connected on the installation section with spacing slip around with and spacing pivoted mode on circumference, the rotation section is spacing slip before the back and is connected on the installation section in circumference free rotation's mode, rotation section and receiving the sound cover spacing sliding connection on the axial, and be provided with one-way follower between the two, in circumference, the rotation section rotates the cover through one-way drive radio reception and rotates, the clearance piece is located the rear of receiving the sound cover.

The first preferred technical scheme is as follows: the one-way driven part comprises an elastic limiting rotating driven block and a linkage protrusion, the two driven blocks are matched with each other, the linkage protrusion is fixedly arranged on the rotating section, the driven blocks are divided into two groups and are connected to the radio cover in a rotating mode, and the two groups of driven blocks are distributed in a staggered mode from front to back and opposite in rotating direction.

The preferred technical scheme is as follows: the loudspeaker main part includes main part and handle part, the handle part includes the fixing base, and articulated on the fixing base have handheld part, and sliding connection has the picture peg on the handheld part, has seted up the slot corresponding with the picture peg on the fixing base.

The preferred technical scheme is three: the radio cover comprises an annular connecting part I and a cambered plate provided with a plurality of strip radio through grooves, the sealed filling cover comprises an annular connecting part II and a plurality of filling strips, and the filling strips and the strip radio through grooves are in one-to-one correspondence in number.

The preferable technical scheme is four: the handheld part comprises a hinged end, the hinged end is eccentrically and rotatably connected with a handheld section, and an arc-shaped supporting rod is arranged at one end, close to the hinged end, of the handheld section and one end, far away from the hinged end, of the handheld section.

The preferred technical scheme is five: the radio cover is connected with a sliding block, the mounting section is provided with a limiting sliding groove corresponding to the sliding block, and the limiting sliding groove comprises a circumferential limiting rotating part and an axial limiting sliding part.

The preferred technical scheme is six: a sliding ring is arranged between the rotating section and the mounting section, the sliding ring is axially connected with the mounting section in a limiting sliding mode, and the sliding ring is connected with the rotating section in a rotating mode in the circumferential direction.

The preferred technical scheme is seven: the limiting ring is arranged on the outer side of the first annular connecting part, and the rotating section is connected with a limiting block corresponding to the limiting ring.

The invention has the following beneficial effects: 1. this public address set keeps apart a section of thick bamboo and keeps apart radio reception mouth and button through setting up the sound guide and forms independent radio reception region, this independent radio reception region has not only improved the effect of radio reception, sound is blown away and leads to the effect of radio reception to reduce by wind at the in-process of conveying when effectively avoiding speaking, moreover, independent radio reception region can effectively avoid the in-process droplet of speaking to splash on the button and influence the use of button, and then has reduced droplet adnexed scope, the condition emergence of being infected with the droplet when having avoided the hand to press the button, the health in the loudspeaker use has been improved, and the simple operation of being convenient for of overall structure.

2. This public address set effectively has improved the effect of clearance through the combined action of radio reception cover and sealed packing cover, and then can avoid the droplet to cover on the radio reception and breed a large amount of bacteriums, and under the state that loudspeaker do not use, keeps filling the strip and pegs graft the state in the logical inslot of corresponding strip radio reception, can effectively avoid outside dust to get into in the radio reception, corresponding improvement the cleanliness factor of radio reception mouth.

3. The sound amplifying device not only ensures the stability of the sliding process of the rotating section, but also improves the flexibility of the rotating section in the rotating process through the combined action of the sliding ring, the rotating section and the mounting section, and integrally improves the convenience of the sound amplifying device.

4. This public address set passes through the combined action of hinged end, handheld section, picture peg and slot, has effectively improved the stability of loudspeaker handle part at the in-process that uses and accomodate the in-process state, effectively avoids loudspeaker at the in-process that uses, and handheld part meets accident automatic folding and presss from both sides the condition of hindering the hand, has improved the security that loudspeaker used.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is an enlarged view of the invention at A in FIG. 1.

Fig. 3 is an exploded view of the present invention.

Fig. 4 is a schematic structural view of the sound-collecting cover and the sealing packing cover of the present invention.

Fig. 5 is a schematic sectional view of the sound guiding isolation tube of the present invention.

Fig. 6 is an enlarged view of the invention at B in fig. 5.

FIG. 7 is a side view of a partial ring-shaped connecting portion of the present invention.

Fig. 8 is a rear view of the partial annular joint and the rotating section of the present invention.

Fig. 9 is a schematic structural view of the limiting sliding groove of the present invention.

Fig. 10 is a schematic view of the structure of the hand-held portion of the present invention.

In the figure: 1. a horn main body; 2. installing a ring seat; 3. a sound receiving cover; 31. a first annular connecting part; 32. a strip-shaped sound receiving through groove; 33. a cambered plate; 4. a sound guide isolation cylinder; 41. an installation section; 42. cleaning the workpiece; 43. a rotating section; 44. sealing the filling cover; 441. a second annular connecting portion; 442. filling the strip; 5. a one-way follower; 51. a driven block; 52. a linkage protrusion; 6. a fixed seat; 7. a hand-held portion; 71. a hinged end; 72. a hand-held segment; 8. inserting plates; 9. a slot; 10. an arc-shaped support rod; 11. a slider; 12. a limiting sliding groove; 13. a slip ring; 14. a limiting ring; 15. and a limiting block.

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.

Referring to fig. 1, 3, 4 and 5, a sound amplifying device includes a speaker body 1, a sound receiving port is disposed on a rear end surface of the speaker body 1, a mounting ring seat 2 is disposed at the sound receiving port, and a sound guide isolation cylinder 4 with a sound receiving cover 3 therein is mounted on the mounting ring seat 2, as shown in fig. 1, a tail portion of the sound guide isolation cylinder 4 is horn-shaped, the sound guide isolation cylinder 4 is in threaded connection with the mounting ring seat 2, the sound receiving cover 3 is mounted at the sound receiving port, the sound receiving port and a key are separated by the sound guide isolation cylinder 4 to form an independent sound receiving area, in the using process, a mouth is aligned with the sound guide isolation cylinder 4 to speak, the independent sound receiving area not only improves the sound receiving effect, but also effectively avoids the phenomenon that in the transmitting process, the sound receiving effect is reduced, the independent sound receiving area can effectively avoid that flying foam splashes on the key to affect the use of the key in the speaking process, the range of flying foam adhesion is reduced, the button is prevented from being contaminated by the hand when the key is pressed, the flying foam in the using process is improved, the speaker, the isolation cylinder is in the threaded connection with the mounting ring seat, and the mounting ring seat 2, and the sound receiving cover is convenient to be detached.

Referring to fig. 1, 3, 4, 5 and 6, the sound guiding isolation tube 4 includes an installation section 41, the installation section 41 is in threaded connection with the installation ring seat 2, a rotation section 43 with a cleaning member 42 and a sealing filling cover 44 corresponding to the sound receiving cover 3 are arranged on the installation section 41, the sealing filling cover 44 is located in front of the sound receiving cover 3, the sealing filling cover 44 is fixedly connected to the installation section 41, the sound receiving cover 3 is connected to the installation section 41 in a manner of sliding in a front-back limited manner and rotating in a circumferential limited manner, the rotation section 43 is connected to the installation section 41 in a manner of sliding in a front-back limited manner and freely rotating in a circumferential direction, the rotation section 43 is in sliding connection with the sound receiving cover 3 in an axial limited manner, and a one-way driven member 5 is arranged between the rotation section 43 and the sound receiving cover 3, the cleaning member 42 is located behind the sound receiving cover 3, the radio cover 3 comprises an annular connection part 31 and an arc panel 33 provided with a plurality of strip radio through grooves 32, as shown in fig. 4, the arc panel 33 is connected to the annular connection part 31, the sealed filling cover 44 comprises an annular connection part two 441 and a plurality of filling strips 442, the plurality of filling strips 442 are connected to the annular connection part two 441, and the filling strips 442 correspond to the strip radio through grooves 32 one by one in number, as shown in the left view in fig. 4, in the process of using the loudspeaker, the strip radio through grooves 32 are in a horizontal state and are vertically arranged with the filling strips 442, when the loudspeaker is not used or the radio cover 3 needs to be cleaned, only the hand-held rotation section 43 needs to be pushed forward until the cleaning piece 42 is attached to the radio cover 3, then the rotation section 43 is rotated, the rotation section 43 drives the radio cover 3 to rotate 90 degrees through the one-way driven piece 5, so that the strip radio through grooves 32 are rotated to a vertical state, at this time, the sound receiving cover 3 can slide forward in the axial direction, and then is pushed forward continuously to the state shown in the right side view in fig. 4, at this time, the filler strip 442 is inserted into the corresponding strip-shaped sound receiving through groove 32 to form a sealed cover, and then the cleaning piece 42 is driven by the reverse rotation rotating section 43 to rotate to clean the surface of the sealed cover, so that not only is the convenience of the cleaning process improved, but also in the process of inserting the filler strip 442 into the strip-shaped sound receiving through groove 32, the droplets attached in the strip-shaped sound receiving through groove 32 can be pushed out, so that the cleaning piece 42 can fully clean the droplets, the cleaning effect is effectively improved, further, the droplets are fully prevented from being attached to the sound receiving cover 3 to breed a large amount of bacteria to reduce the sanitation of the loudspeaker, and secondly, in the state that the speaker is not used, the filler strip 442 is kept inserted into the corresponding strip-shaped sound receiving through groove 32, so that external dust can be effectively prevented from entering the sound receiving port, and the cleanliness of the sound receiving port is correspondingly improved.

Referring to fig. 1, 4, 5, 6, 7 and 8, the one-way follower 5 includes a driven block 51 and a linking protrusion 52, which are elastically limited to rotate, and are matched with each other, as shown in fig. 8, the linking protrusion 52 is fixedly disposed on the rotating section 43, the driven block 51 is divided into two groups, and both are rotatably connected to the sound receiving cover 3, as shown in fig. 7 and 8, the two groups of driven blocks 51 are staggered from front to back and rotate in opposite directions, when the handheld rotating section 43 is pushed forward until the cleaning piece 42 is attached to the sound receiving cover 3, the linking protrusion 52 moves to the position shown in the lower part of fig. 7 along with the rotating section 43, at this time, the rotating section 43 rotates clockwise, and in the process of rotating the rotating section 43, as shown in fig. 7 and 8, the linking protrusion 52 drives the sound receiving cover 3 to rotate in the circumferential direction through the corresponding driven block 51 until the sound receiving cover 3 cannot rotate, at this time, the sound receiving cover 3 can slide forward in the axial direction, then, the rotating section 43 is continuously pushed forward until the filling strips 442 on the sound receiving cover 3 are inserted into the corresponding strip sound receiving through grooves 32 to form a sealing cover, then, the rotating section 43 is rotated counterclockwise to drive the cleaning piece 42 to clean the surface of the sealing cover, and in the cleaning process, when the linkage protrusions 52 pass through the corresponding driven pieces 51, the driven pieces 51 are rotated inward under the action of the linkage protrusions 52, so that the sound receiving cover 3 is not driven to rotate in the circumferential direction along with the rotation of the linkage protrusions 52, thereby ensuring the smooth and stable cleaning operation, and the whole structure is simple and convenient to operate, when the loudspeaker is used, the rotating section 43 is pulled backward first until the loudspeaker cannot be pulled, in the backward moving process of the rotating section 43, the cleaning piece 42 is separated from the sound receiving cover 3 first, and then the sound receiving cover 3 moves backward along with the rotating section 43, until the strip-shaped sound receiving through groove 32 is separated from the filling strip 442, at this time, the linking protrusion 52 moves to the state as shown in the upper view of fig. 7 along with the rotating section 43, then the rotating section 43 rotates counterclockwise, the sound receiving cover 3 is driven to reset and rotate in the rotating process until the strip-shaped sound receiving through groove 32 rotates to the horizontal state, wherein the limiting ring 14 is arranged on the outer side of the annular connecting part 31, the rotating section 43 is connected with the limiting block 15 corresponding to the limiting ring 14, and the rotating section 43 drives the sound receiving cover 3 to perform corresponding sliding motion in the front-back moving process through the matching of the limiting ring 14 and the limiting block 15, and meanwhile, the rotation of the rotating section 43 in the circumferential direction cannot be influenced.

Referring to fig. 5, 6 and 9, the sound receiving cover 3 is connected with a sliding block 11, the mounting section 41 is provided with a limiting sliding groove 12 corresponding to the sliding block 11, the limiting sliding groove 12 includes a circumferential limiting rotating part and an axial limiting sliding part, as shown in fig. 9, the circumferential limiting rotating part limits the rotating range of the sound receiving cover 3 in the circumferential direction by limiting the sliding block 11, so that the sound receiving cover 3 can only rotate 90 degrees, in the rotating process, the strip-shaped sound receiving through groove 32 is reciprocally rotated from the horizontal state to the vertical state and then is reset from the vertical state to the horizontal state, so that the convenience and accuracy of the invention are improved, and there is no need to worry that the strip-shaped sound receiving through groove 32 and the filling strip 442 cannot be smoothly inserted together due to over-rotation, and the axial limiting sliding part limits the sliding range of the sound receiving cover 3 in the axial direction by limiting the sliding block 11.

Referring to fig. 5 and 6, a slip ring 13 is disposed between the rotating section 43 and the mounting section 41, the slip ring 13 is in limited sliding connection with the mounting section 41 in the axial direction and cannot rotate in the circumferential direction, a certain friction force exists between the slip ring 13 and the mounting section 41, the rotating section 43 is in free rotating connection with the slip ring 13 in the circumferential direction and cannot slide in the axial direction, the slip ring 13 assists the rotating section 43 to make free rotating movement in the circumferential direction and make limited sliding movement in the axial direction, as shown in fig. 6, when the rotating section 43 is pushed forward, the rotating section 43 slides forward along the mounting section 41 through the slip ring 13, and under the action of the friction force, the flexibility of the sliding of the rotating section 43 is reduced, so that the sliding stability of the rotating section is improved, and when the rotating section 43 is rotated, the rotating section 43 rotates on the slip ring 13, both rotating contact surfaces of the rotating section and the sliding section are smooth, so that the flexibility of the rotating section 43 is improved.

Referring to fig. 1 and 2, the horn main body 1 includes a main body portion and a handle portion, the handle portion includes a fixing base 6, a handheld portion 7 is hinged to the fixing base 6, a plug board 8 is slidably connected to the handheld portion 7, a slot 9 corresponding to the plug board 8 is formed in the fixing base 6, the slot 9 is in a right angle shape and has two sockets, when the horn is in an unused state, the handheld portion 7 is in a folded state as shown in fig. 3, at this time, the plug board 8 is inserted into the slot 9 in a backward sliding manner, so that the handheld portion 7 is stably in a folded state, when the horn is in a used state, the handheld portion 7 is rotated and unfolded downwards, at this time, the plug board 8 is inserted into the slot 9 in an upward sliding manner, a certain friction force is generated between the plug board 8 and the handheld portion 7, so that the plug board 8 cannot slide downwards under the condition of no external force applied, so that the horn is stably in an unfolded state, thereby improving the stability of the use of the horn, and compared with the existing horn, the process of automatically folding hand holding the horn, the hand portion 7 is effectively avoided from being accidentally folded and damaged, and the safe use of the horn is improved.

Referring to fig. 1, 3 and 10, the handheld portion 7 includes a hinged end 71, the hinged end 71 is hinged to the fixing base 6, the insert plate 8 is located on the hinged end 71, one side of the hinged end 71 away from the fixing base 6 is eccentrically and rotatably connected with a handheld section 72, one end of the handheld section 72 close to the hinged end 71 and one end of the handheld section 72 away from the hinged end 71 are both provided with arc-shaped support rods 10, as shown in an upper view in fig. 10, the arc-shaped support rods 10 are attached to the speaker main body 1 in a folded and stored state of the handheld portion 7, and when the speaker needs to be transversely placed, the handheld section 72 is rotated to a state shown in a lower view in fig. 10, at this time, the handheld portion 7 is in the folded state, and the arc-shaped support rods 10 form four support legs, so that the speaker is stably placed in the transverse placing state, the problem that the speaker cannot be horizontally placed only in an upward inclined manner due to its own structural characteristics is solved, when the speaker recording function is applied and the recording content is automatically and circularly played, the horizontally placed state of the recording content is more convenient to use is improved.

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

Claims

1. A sound amplifying apparatus comprising a horn body (1), characterized in that: the rear end face of the loudspeaker main body (1) is provided with a sound receiving port, the sound receiving port is provided with a mounting ring seat (2), the mounting ring seat (2) is provided with a sound guiding isolation barrel (4) with a sound receiving cover (3) inside, the sound guiding isolation barrel (4) comprises a mounting section (41), the mounting section (41) is provided with a rotating section (43) with a cleaning part (42) and a sealing filling cover (44) corresponding to the sound receiving cover (3), the sealing filling cover (44) is fixedly connected in the mounting section (41) and positioned in front of the sound receiving cover (3), the sound receiving cover (3) is connected to the mounting section (41) in a mode of sliding at a front limit position and sliding at a rear limit position in the circumferential direction, the rotating section (43) is connected to the mounting section (41) in a mode of sliding at a front limit position and a rear limit position in the circumferential direction, the rotating section (43) is connected with the sound receiving cover (3) in a mode of sliding at an axial limit position, a one-way driven part (5) is arranged between the rotating section (43) and the sound receiving cover (3) is positioned at the rear side of the sound receiving cover (3);

the radio cover (3) comprises a first annular connecting part (31) and an arc panel (33) provided with a plurality of strip radio through grooves (32), the sealed filling cover (44) comprises a second annular connecting part (441) and a plurality of filling strips (442), and the filling strips (442) correspond to the strip radio through grooves (32) in number one to one;

in the process of using the loudspeaker, the strip-shaped sound receiving through grooves (32) are in a horizontal state and are arranged in a vertical state with the filling strips (442), when the loudspeaker is not used or the sound receiving cover (3) needs to be cleaned, the rotating section (43) only needs to be held by hands to push forwards until the cleaning piece (42) is attached to the sound receiving cover (3), then the rotating section (43) is rotated, the rotating section (43) drives the sound receiving cover (3) to rotate for 90 degrees through the one-way driven piece (5), the strip-shaped sound receiving through grooves (32) are rotated to be in a vertical state, at the moment, the sound receiving cover (3) can slide forwards in the axial direction, then the rotating section (43) is continuously pushed forwards to the filling strips (442) to be inserted into the corresponding strip-shaped sound receiving through grooves (32) to form a sealing cover, and then the reverse rotating section (43) drives the cleaning piece (42) to rotate to clean the surface of the sealing cover.

2. A loudspeaker device as claimed in claim 1, characterized in that: the one-way driven piece (5) comprises an elastic limiting rotary driven piece (51) and linkage protrusions (52), the two driven pieces are matched with each other, the linkage protrusions (52) are fixedly arranged on the rotary section (43), the driven pieces (51) are divided into two groups, the driven pieces are rotatably connected to the radio cover (3), and the two groups of driven pieces (51) are distributed in a staggered mode from front to back and rotate in opposite directions.

3. A loudspeaker device as claimed in claim 1, characterized in that: loudspeaker main part (1) includes main part and handle part, the handle part includes fixing base (6), and articulated on fixing base (6) have handheld part (7), and sliding connection has picture peg (8) on handheld part (7), has seted up slot (9) corresponding with picture peg (8) on fixing base (6).

4. A sound amplification device as claimed in claim 3, wherein: the handheld part (7) comprises a hinged end (71), a handheld section (72) is eccentrically and rotatably connected to the hinged end (71), and arc-shaped supporting rods (10) are arranged at one end, close to the hinged end (71), of the handheld section (72) and one end, far away from the hinged end (71), of the handheld section (72).

5. A loudspeaker device as claimed in claim 1, characterized in that: the radio cover (3) is connected with a sliding block (11), the mounting section (41) is provided with a limiting sliding groove (12) corresponding to the sliding block (11), and the limiting sliding groove (12) comprises a circumferential limiting rotating part and an axial limiting sliding part.

6. A sound amplifying device as defined in claim 1, wherein: be provided with slip ring (13) between rotation section (43) and installation section (41), slip ring (13) are in the axial with the spacing sliding connection of installation section (41), and slip ring (13) rotate in the circumference with rotation section (43) and be connected.

7. A loudspeaker device as claimed in claim 5, characterized in that: the outer side of the annular connecting part I (31) is provided with a limiting ring (14), and the rotating section (43) is connected with a limiting block (15) corresponding to the limiting ring (14).