CN113784246B

CN113784246B - Make things convenient for public address equipment of dismouting

Info

Publication number: CN113784246B
Application number: CN202111330487.6A
Authority: CN
Inventors: 陈国保
Original assignee: Jiangxi University of Technology
Current assignee: Jiangxi University of Technology
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-02-08
Anticipated expiration: 2041-11-11
Also published as: CN113784246A

Abstract

The invention relates to the technical field of sound amplifying equipment, and discloses sound amplifying equipment convenient to disassemble and assemble, which solves the problems that the sound amplifying equipment is inconvenient to disassemble and assemble and poor in heat dissipation effect when the sound amplifying equipment fails in the conventional fixed installation mode; through the arrangement of the circular motion mechanism, compared with the traditional mode that the heat dissipation fan is fixedly installed for heat dissipation, the circular motion of the fan cooling fan increases the heat dissipation blowing area, and the heat dissipation effect is better.

Description

Make things convenient for public address equipment of dismouting

Technical Field

The invention belongs to the technical field of sound amplifying equipment, and particularly relates to sound amplifying equipment convenient to disassemble and assemble.

Background

The existing public address equipment is generally fixedly installed by a screw in the installation process, and the public address equipment cannot be quickly disassembled and is inconvenient to disassemble and assemble due to the fixed installation mode, and in addition, the existing radiating heat dissipation fan of the public address equipment is generally fixedly installed, so that the heat dissipation area is small, and the heat dissipation effect is poor.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the sound amplifying equipment convenient to disassemble and assemble, and effectively solves the problems that the sound amplifying equipment is inconvenient to disassemble and assemble and poor in heat dissipation effect when the sound amplifying equipment breaks down in the conventional fixed installation mode.

In order to achieve the purpose, the invention provides the following technical scheme: a conveniently-disassembled and assembled sound amplifying device comprises a sound amplifying device body, wherein one end of the sound amplifying device body is fixedly connected with a connecting frame, the connecting frame is movably connected with a fixing mechanism through a positioning piece, the interior of the sound amplifying device body is connected with a circular motion mechanism through a supporting rod, one end of the circular motion mechanism is connected with a mounting plate, and one end of the mounting plate is provided with a heat dissipation fan;

circular motion mechanism includes the set-square, set-square one end mid-mounting has the motor, the motor output extends to set-square one side and is connected with the fluted disc, the ring channel has been seted up to set-square one end, the ring channel outside corresponds the three straight limit section of set-square and has all seted up the straight flute, ring channel and straight flute intercommunication, straight inslot portion has waist type pinion rack through the sliding pin connection, waist type pinion rack is connected with the fluted disc meshing, the mounting panel is installed in waist type pinion rack upper end, the heavy groove has been seted up to straight flute one side, the inside rotation of heavy groove is connected with the pin, be connected with the second spring between pin and the heavy groove, first guide face has been seted up to pin one end, the second guide face has been seted up to pin one end.

Preferably, the fixing mechanism comprises a shell, one side of the upper wall inside the shell is rotatably connected with a connecting shaft, the lower end of the connecting shaft is connected with a driving bevel gear, the outer end of the connecting shaft is connected with a worm gear above the driving bevel gear, one end of the worm gear is meshed with a worm, the worm is rotatably connected with the inner wall of the shell, and one end of the worm extends to the outside of the shell and is connected with a hand wheel.

Preferably, the upper part of the inner wall of the shell is rotatably connected with a screw rod, the outer end of the screw rod is connected with a driven bevel gear, the driven bevel gear is meshed with the driving bevel gear, and the external thread of the screw rod is sleeved with a moving block.

Preferably, the inner wall of the shell is connected with a cross rod, a connecting hole is formed in the upper end of the cross rod, a connecting rod is rotatably connected inside the connecting hole, the upper end of the connecting rod is rotatably connected with a moving block, a waist-shaped hole is formed in the lower portion of the connecting rod, a hinge pin is movably connected inside the waist-shaped hole, the outer end of the hinge pin is connected with a square frame, one end of the square frame is connected with a positioning rod, one end of the positioning rod extends to the outside of the shell and is connected with a clamping head, one end of the square frame, far away from the positioning rod, is connected with a first spring, and one end of the first spring is connected with the inner wall of the shell.

Preferably, the positioning rod is externally sleeved with a mounting seat, the mounting seat is fixedly connected with the shell, and one end of the mounting seat is circumferentially connected with a positioning pin.

Preferably, a mounting hole is formed in one end of the connecting frame and matched with the mounting seat, a positioning hole is circumferentially formed in the outer side of the mounting hole and matched with the positioning pin, and a through hole is formed in the upper end of the connecting frame in a penetrating mode.

Preferably, the positioning piece comprises a cylinder body, clamping jaws are connected to two sides of the lower end of the cylinder body, and a pull ring is connected to the upper end of the cylinder body.

Preferably, the joint part of one end of each of the two clamping jaws corresponding to the clamping head is provided with an inclined plane.

Preferably, the rear end and the two side ends of the sound amplifying equipment body are both provided with air holes.

Compared with the prior art, the invention has the beneficial effects that:

(1) after the connecting frame is in butt joint with a mounting seat on a fixing mechanism, the connecting frame is clamped by using a positioning piece, then a hand wheel is rotated to drive a worm to be in meshing transmission with the worm wheel, a driving bevel gear is in meshing transmission with a driven bevel gear, a moving block moves along the outer end of a screw rod, a connecting rod pushes a pin shaft to drive a square frame to move, then a positioning rod drives a clamping head to clamp clamping jaws on the positioning piece to finish mounting and fixing of a sound amplifying equipment body, otherwise, the positioning rod drives the clamping head to release the clamping jaws on the positioning piece, then the positioning piece is taken down, and the sound amplifying equipment body is dismounted;

(2) the connecting frame and the fixing mechanism are butted or released through clamping the positioning piece or taking down the positioning piece, so that the sound amplifying equipment body is convenient to disassemble and assemble, and the operation is simple and convenient;

(3) through the setting of circular motion mechanism, the motor drives the fluted disc motion, fluted disc and the meshing transmission of waist type pinion rack, the motion of waist type pinion rack along the fluted disc outer end, two sliding pins along ring channel and straight flute internal motion, make the mounting panel drive heat dissipation fan circular motion, the heat dissipation fan absorbs the ambient air to public address equipment body inside, and then blow public address equipment body inner space hot-air outwards, make cold and hot air exchange, reach the heat dissipation purpose, compare in traditional mode with the heat dissipation fan fixed mounting heat dissipation, the circular motion of the invention increases the heat dissipation area of blowing, the radiating effect is better.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a connection frame according to the present invention;

FIG. 3 is a schematic structural diagram of a positioning member according to the present invention;

FIG. 4 is a schematic structural view of the fixing mechanism of the present invention;

FIG. 5 is a front view of the present invention;

FIG. 6 is a schematic view of the installation structure of the circular motion mechanism of the present invention;

FIG. 7 is a schematic view of the mounting structure of the heat dissipating fan according to the present invention;

FIG. 8 is a schematic structural diagram of the circular motion mechanism of the present invention;

in the figure: 1. a sound amplifying device body; 2. a connecting frame; 3. a positioning member; 301. a cylinder; 302. a claw; 303. a pull ring; 304. a bevel; 4. a fixing mechanism; 401. a housing; 402. a connecting shaft; 403. a drive bevel gear; 404. a worm gear; 405. a worm; 406. a hand wheel; 407. a screw rod; 408. a driven bevel gear; 409. a moving block; 410. a cross bar; 411. connecting holes; 412. a connecting rod; 413. a kidney-shaped hole; 414. a pin shaft; 415. a square frame; 416. positioning a rod; 417. a clamping head; 418. a first spring; 419. a mounting seat; 420. positioning pins; 5. mounting holes; 6. positioning holes; 7. a through hole; 8. a strut; 9. a circular motion mechanism; 901. a set square; 902. a motor; 903. a fluted disc; 904. an annular groove; 905. a straight groove; 906. a slide pin; 907. a lumbar plate; 908. sinking a groove; 909. a stop lever; 910. a second spring; 911. a first guide surface; 912. a second guide surface; 10. mounting a plate; 11. a heat dissipation fan; 12. and (4) air holes.

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 first embodiment, as shown in fig. 1-8, the present invention includes a sound amplifying apparatus body 1, one end of the sound amplifying apparatus body 1 is fixedly connected with a connection frame 2, the connection frame 2 is movably connected with a fixing mechanism 4 through a positioning member 3, one end of the connection frame 2 is provided with a mounting hole 5, the mounting hole 5 is matched with a mounting seat 419, the outer side of the mounting hole 5 is circumferentially provided with a positioning hole 6, the positioning hole 6 is matched with a positioning pin 420, the upper end of the connection frame 2 is provided with a through hole 7 in a penetrating manner, the positioning member 3 includes a cylinder 301, both sides of the lower end of the cylinder 301 are connected with claws 302, the upper end of the cylinder 301 is connected with a pull ring 303, one ends of the two claws 302 corresponding to the joint part of a clamping head 417 are provided with inclined planes 304, the inside of the sound amplifying apparatus body 1 is connected with a circular motion mechanism 9 through a support rod 8, one end of the circular motion mechanism 9 is connected with a mounting plate 10, one end of the mounting plate 10 is provided with a heat dissipation fan 11, the rear end and two side ends of the sound amplifying equipment body 1 are both provided with air holes 12, so that external air can conveniently enter and exchange with internal hot air;

the circular motion mechanism 9 comprises a triangular plate 901, a motor 902 is arranged in the middle of one end of the triangular plate 901, a fluted disc 903 is connected to one side of the motor 902 extending to the triangular plate 901, an annular groove 904 is arranged at one end of the triangular plate 901, straight grooves 905 are arranged on the outer side of the annular groove 904 corresponding to three straight edge sections of the triangular plate 901, the annular groove 904 is communicated with the straight grooves 905, a kidney-shaped toothed plate 907 is connected to the inside of the straight groove 905 through a sliding pin 906, the kidney-shaped toothed plate 907 is meshed with the fluted disc 903, the mounting plate 10 is arranged at the upper end of the kidney-shaped toothed plate 907, a sunk groove 908 is arranged on one side of the straight groove 905, a stop lever 909 is rotatably connected to the inside of the sunk groove 908, a second spring 910 is connected between the stop lever 909 and the sunk groove 908, a first guide surface 911 is arranged at one end of the stop lever 909, a second guide surface 912 is arranged at one end of the stop lever 909, and the two sliding pins 906 can be sequentially guided backwards through the first guide surface 911 and the second guide surface 912, steering it;

when the operation, motor 902 drives fluted disc 903 motion, fluted disc 903 and the meshing transmission of waist type pinion rack 907, waist type pinion rack 907 moves along fluted disc 903 outer end, two sliding pin 906 along ring channel 904 and straight flute 905 internal motion for mounting panel 10 drives 11 circular motion of heat dissipation fan, and heat dissipation fan 11 absorbs external air to public address equipment body 1 inside, and then blows outside 1 inner space hot-air of public address equipment body, makes the cold and hot air exchange, reaches the heat dissipation purpose.

In the second embodiment, on the basis of the first embodiment, the fixing mechanism 4 includes a housing 401, one side of the inner upper wall of the housing 401 is rotatably connected with a connecting shaft 402, the lower end of the connecting shaft 402 is connected with a drive bevel gear 403, the outer end of the connecting shaft 402 is connected with a worm gear 404 above the drive bevel gear 403, one end of the worm gear 404 is engaged with a worm 405, the worm 405 is rotatably connected with the inner wall of the housing 401, one end of the worm 405 extends to the outside of the housing 401 and is connected with a hand wheel 406, the upper portion of the inner wall of the housing 401 is rotatably connected with a lead screw 407, the outer end of the lead screw 407 is connected with a driven bevel gear 408, the driven bevel gear 408 is engaged with the drive bevel gear 403, and the outer thread of the lead screw 407 is sleeved with a moving block 409.

Third embodiment, on the basis of the second embodiment, a cross rod 410 is connected to an inner wall of the housing 401, a connecting hole 411 is formed at an upper end of the cross rod 410, a connecting rod 412 is rotatably connected to an inner portion of the connecting hole 411, an upper end of the connecting rod 412 is rotatably connected to a moving block 409, a waist-shaped hole 413 is formed at a lower portion of the connecting rod 412, through the arrangement of the waist-shaped hole 413, when the connecting rod 412 swings, the pin 414 drives the square frame 415 to keep horizontal movement, the pin 414 is movably connected to an inner portion of the waist-shaped hole 413, the outer end of the pin 414 is connected to the square frame 415, one end of the square frame 415 is connected to a positioning rod 416, one end of the positioning rod 416 extends to an outer portion of the housing 401 and is connected to a clamping head 417, one end of the square frame 415, which is far away from the positioning rod 416, is connected to a first spring 418, one end of the first spring 418 is connected to the inner wall of the housing 401, a mounting seat 419 is sleeved on an outer portion of the positioning rod 416, the mounting seat 419 is fixedly connected to the housing 401, one end of the positioning pin 420 in a circumferential direction, the positioning pin 420 can be matched with the positioning hole 6 on the connecting frame 2, so that the connecting frame 2 can be quickly positioned and butted with the mounting seat 419.

The working principle is as follows: when the loudspeaker is used, the connecting frame 2 on the loudspeaker body 1 is butted with the mounting seat 419 on the fixing mechanism 4, so that the mounting hole 5 is sleeved outside the mounting seat 419, the positioning hole 6 is sleeved outside the positioning pin 420, then the positioning piece 3 is inserted from the through hole 7 at the upper end of the connecting frame 2, so that the two clamping jaws 302 are clamped outside the positioning rod 416, then the hand wheel 406 is rotated to drive the worm 405 to rotate, the worm 405 is meshed with the worm wheel 404 for transmission, the connecting shaft 402 drives the driving bevel gear 403 to rotate, the driving bevel gear 403 is meshed with the driven bevel gear 408 for transmission, the screw rod 407 rotates, the moving block 409 moves leftwards along the outer end of the screw rod 407, the connecting rod 412 swings in the connecting hole 411 along with the movement of the moving block 409, the pin shaft 414 drives the square frame 415 to move rightwards along with the swinging of the connecting rod 412, and the positioning rod 416 drives the clamping head 417 to clamp the clamping jaws 302 on the positioning piece 3, the connection frame 2 and the mounting seat 419 are clamped firmly, and the worm 405 and the worm wheel 404 have a self-locking function, so that the connection firmness of the device can be kept, and looseness cannot occur; when the sound amplifying equipment body 1 needs to be detached, the hand wheel 406 is rotated reversely, so that the lead screw 407 drives the moving block 409 to move towards the right side, the connecting rod 412 drives the square frame 415 to move towards the left side, the positioning rod 416 drives the clamping head 417 and the clamping jaws 302 to be released, then the positioning piece 3 is taken out upwards, and the sound amplifying equipment body 1 can be detached.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a make things convenient for public address equipment of dismouting, includes public address equipment body (1), its characterized in that: one end of the sound amplifying equipment body (1) is fixedly connected with a connecting frame (2), the connecting frame (2) is movably connected with a fixing mechanism (4) through a positioning piece (3), the interior of the sound amplifying equipment body (1) is connected with a circular motion mechanism (9) through a supporting rod (8), one end of the circular motion mechanism (9) is connected with a mounting plate (10), and one end of the mounting plate (10) is provided with a heat dissipation fan (11);

the circular motion mechanism (9) comprises a triangular plate (901), a motor (902) is installed in the middle of one end of the triangular plate (901), the output end of the motor (902) extends to one side of the triangular plate (901) and is connected with a fluted disc (903), one end of the triangular plate (901) is provided with a circular groove (904), the outer side of the circular groove (904) is provided with a straight groove (905) corresponding to three straight edge sections of the triangular plate (901), the circular groove (904) is communicated with the straight groove (905), the inside of the straight groove (905) is connected with a waist-shaped toothed plate (907) through a sliding pin (906), the waist-shaped toothed plate (907) is meshed and connected with the fluted disc (903), the mounting plate (10) is installed at the upper end of the waist-shaped toothed plate (907), one side of the straight groove (905) is provided with a sunk groove (908), the inside of the sunk groove (908) is rotatably connected with a blocking rod (909), a second spring (910) is connected between the blocking rod (909) and one end of the sunk groove (908), one end of the blocking rod (909) is provided with a first guide surface (911), a second guide surface (912) is formed at one end of the stop lever (909).

2. A conveniently disassembled and assembled sound amplifying apparatus as set forth in claim 1, wherein: the fixing mechanism (4) comprises a shell (401), one side of the upper wall inside the shell (401) is rotatably connected with a connecting shaft (402), the lower end of the connecting shaft (402) is connected with a driving bevel gear (403), the outer end of the connecting shaft (402) is positioned above the driving bevel gear (403) and is connected with a worm wheel (404), one end of the worm wheel (404) is meshed with a worm (405), the worm (405) is rotatably connected with the inner wall of the shell (401), and one end of the worm (405) extends to the outside of the shell (401) and is connected with a hand wheel (406).

3. A conveniently disassembled and assembled sound amplifying apparatus as set forth in claim 2, wherein: the upper portion of the inner wall of the shell (401) is rotatably connected with a screw rod (407), the outer end of the screw rod (407) is connected with a driven bevel gear (408), the driven bevel gear (408) is meshed with the driving bevel gear (403) and connected with the driving bevel gear, and a moving block (409) is sleeved on the outer thread of the screw rod (407).

4. A conveniently disassembled and assembled sound amplifying apparatus as set forth in claim 2, wherein: the utility model discloses a shell, including casing (401), connecting hole (411) have been seted up to casing (401) inner wall connection has horizontal pole (410), connecting hole (411) have been seted up to horizontal pole (410) upper end, connecting hole (411) inside rotation is connected with connecting rod (412), connecting rod (412) upper end is rotated with movable block (409) and is connected, waist type hole (413) have been seted up to connecting rod (412) lower part, the inside swing joint in waist type hole (413) has round pin axle (414), round pin axle (414) outer end is connected with square frame (415), square frame (415) one end is connected with locating lever (416), locating lever (416) one end extends to casing (401) external connection has chucking head (417), square frame (415) keep away from locating lever (416) one end and is connected with first spring (418), first spring (418) one end and casing (401) inner wall connection.

5. A conveniently disassembled and assembled sound amplifying apparatus as claimed in claim 4, wherein: an installation seat (419) is sleeved outside the positioning rod (416), the installation seat (419) is fixedly connected with the shell (401), and a positioning pin (420) is circumferentially connected to one end of the installation seat (419).

6. A conveniently disassembled and assembled sound amplifying apparatus as set forth in claim 1, wherein: mounting hole (5) have been seted up to connecting frame (2) one end, mounting hole (5) and mount pad (419) looks adaptation, and locating hole (6) have been seted up to mounting hole (5) outside circumference, and locating hole (6) and locating pin (420) looks adaptation run through on connecting frame (2) and have been seted up through-hole (7).

7. A conveniently disassembled and assembled sound amplifying apparatus as set forth in claim 1, wherein: the positioning piece (3) comprises a cylinder body (301), clamping jaws (302) are connected to two sides of the lower end of the cylinder body (301), and a pull ring (303) is connected to the upper end of the cylinder body (301).

8. A conveniently disassembled and assembled sound amplifying apparatus as set forth in claim 7, wherein: inclined planes (304) are arranged at the joint parts of one ends of the two claws (302) corresponding to the clamping heads (417).

9. A conveniently disassembled and assembled sound amplifying apparatus as set forth in claim 1, wherein: the rear end and the two side ends of the sound amplifying equipment body (1) are provided with air holes (12).