CN215581702U

CN215581702U - Public address set is used with technique course to computer science

Info

Publication number: CN215581702U
Application number: CN202122214147.9U
Authority: CN
Inventors: 李成顺
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-01-18
Anticipated expiration: 2031-09-13

Abstract

The utility model discloses a public address device for computer science and technology courses, which relates to the technical field of public address equipment and comprises a loudspeaker, wherein a positioning mechanism is arranged on the loudspeaker and comprises two mounting rods, the two mounting rods are respectively arranged on two sides of the loudspeaker, and the two mounting rods are symmetrical to each other; according to the utility model, the gear teeth on the elastic metal frame are far away from the gear teeth grooves on the circular ring, so that the elastic metal frame on the mounting rod can be conveniently rotated, the elastic metal frame is meshed with the circular ring through the matching use of the gear teeth grooves and the gear teeth by utilizing the elastic reset principle of the elastic metal frame, the elastic metal frame is further fixed on the mounting rod, the loudspeaker can be conveniently hung on an object with a hook by changing the position of the elastic metal frame on the mounting rod when the elastic metal frame is positioned above the loudspeaker, and the loudspeaker is ensured not to easily topple after being placed on a desktop when the elastic metal frame is positioned at the rear side of the loudspeaker.

Description

Public address set is used with technique course to computer science

Technical Field

The utility model relates to the technical field of sound amplification equipment, in particular to a sound amplification device for computer science and technology courses.

Background

The microphone invented by Rewei in 1950 is mainly used for activities such as teaching, tour guide, outdoor and speech, the microphone is used for amplifying sound to make the sound spread farther, and the microphone can be divided into various types according to the volume, the using mode and the application, and has the using advantages.

Current patent (publication number CN213754958U) discloses a public address set is used with technical course to computer science and technology, including the megaphone, still include shell, fixed part and block, be equipped with the sound amplifying chamber in the shell to one side of shell is equipped with the cavity, and the megaphone setting is in the cavity, and two public address loudspeaker are installed at the opposite side interval of shell, and the inserting groove has been seted up at the top of shell, and fixed part sets up the top at the shell to fixed part's bottom extends to the inserting groove in, and block is provided with two, and two block symmetries set up in the other both sides of shell, and this utility model's advantage lies in: cooperate through megaphone and expand sound chamber and two public address loudspeaker, improved the transmission sound of megaphone to efficiency on class has been improved, rethread fixed part cooperatees with two block parts and carries on spacingly to the megaphone, prevents that the megaphone from sliding in the cavity.

However, this public address set for computer science and technology course is when using, only conveniently hang it between the waist, it is inconvenient to hang it and establish on the object that has the couple, when placing on the non-horizontally object of upper surface simultaneously, the phenomenon of empting appears easily, and can't fix on the horizontal plane of object and vertical face basically, this public address set for computer science and technology course still has the problem of inconvenient angle regulation after placing on the object, consequently this public address set for computer science and technology course has great limitation when using, be unfavorable for this public address set for computer science and technology course's sound propagation, produce certain influence to teaching quality.

Therefore, there is a need to provide a sound amplifying device for computer science and technology courses to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a public address set for computer science and technology courses, which solves the technical problems that the existing public address set for computer science and technology courses is easy to topple over when being placed on an object with a non-horizontal upper surface, cannot be fixed on a vertical surface of the object basically, and is inconvenient to adjust the angle after being placed on the object, so that sound transmission is influenced, and teaching is not facilitated.

In order to solve the technical problems, the sound amplifying device for computer science and technology courses comprises a loudspeaker, wherein a positioning mechanism is arranged on the loudspeaker and comprises two mounting rods, the two mounting rods are respectively arranged on two sides of the loudspeaker and are symmetrical to each other, a circular ring is arranged on the outer wall of each mounting rod, the outer wall of each mounting rod is rotatably connected with an elastic metal frame, and tooth sockets and gear teeth which are matched with each other are respectively arranged on one opposite side of the circular ring and the elastic metal frame.

Preferably, the loudspeaker socket further comprises a limiting mechanism, the limiting mechanism comprises a limiting block, the limiting block is connected with one end, away from the loudspeaker, of the mounting rod, an inserting nail is inserted into one side of the limiting block in an inserting mode, a spring is arranged between the limiting block and the inserting nail, and the outer wall of the inserting nail is rotatably connected with a pull ring.

Preferably, the fixing device further comprises a fixing mechanism, the fixing mechanism is arranged on the elastic metal frame, the fixing mechanism comprises a lead screw, the lead screw is connected with the elastic metal frame in an inserting mode, a fixing seat is installed at the bottom end of the lead screw, a sucking disc is arranged at the bottom of the fixing seat, a nut is connected to the lead screw in a threaded mode, and the elastic metal frame is located between the fixing seat and the nut.

Preferably, the elastic metal frame is of a U-shaped structure, the comfort level in use is improved, and meanwhile, the elastic metal frame has certain attractiveness.

Preferably, a gasket is arranged between the elastic metal frame and the nut, and the nut is prevented from loosening by the gasket.

Preferably, the ventilation groove has all been seted up to the both sides of megaphone, through setting up the ventilation groove, is favorable to the inside heat dissipation of megaphone.

Preferably, the filter screen is installed to the inner wall in ventilation groove, through setting up the filter screen, avoids the dust to get into the inside of megaphone through ventilation groove.

Preferably, the anti-slip pads are installed on two sides of the loudspeaker, and the friction force between the hand and the loudspeaker is increased by arranging the anti-slip pads, so that the phenomenon of hand drop is avoided.

Compared with the related art, the loudspeaker device for computer science and technology courses provided by the utility model has the following beneficial effects:

1. according to the utility model, the gear teeth on the elastic metal frame are far away from the gear teeth grooves on the circular ring, so that the elastic metal frame on the mounting rod can be conveniently rotated, the elastic metal frame is meshed with the circular ring through the matching use of the gear teeth grooves and the gear teeth by utilizing the elastic reset principle of the elastic metal frame, the elastic metal frame is further fixed on the mounting rod, the loudspeaker can be conveniently hung on an object with a hook by changing the position of the elastic metal frame on the mounting rod when the elastic metal frame is positioned above the loudspeaker, and the loudspeaker is ensured not to easily topple after being placed on the object with a non-horizontal upper surface when the elastic metal frame is positioned on the rear side of the loudspeaker.

2. According to the loudspeaker, the sucker and the elastic metal frame are matched for use, so that the loudspeaker can be conveniently fixed on a horizontal plane and a vertical plane of an object, the practicability of the loudspeaker is further improved, the loudspeaker can be conveniently adjusted in multiple angles after being fixed on the object by rotating the nut and matching with the positioning mechanism, and sound transmission of the loudspeaker is facilitated.

Drawings

FIG. 1 is a schematic view of an overall structure of a computer science and technology lesson loudspeaker device;

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

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

fig. 4 is an enlarged view of the structure at C in fig. 2.

Reference numbers in the figures: 1. a loudspeaker; 2. mounting a rod; 3. a circular ring; 4. an elastic metal frame; 5. a tooth socket; 6. gear teeth; 7. a limiting block; 8. inserting a nail; 9. a spring; 10. a pull ring; 11. a screw rod; 12. a fixed seat; 13. a suction cup; 14. a nut; 15. a gasket; 16. filtering with a screen; 17. a non-slip mat.

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.

Embodiment one, given by fig. 1-4, a computer science and technology course uses public address set, including the public address set 1, there is a positioning mechanism on the public address set 1, the positioning mechanism includes two installation poles 2, two installation poles 2 are set up in both sides of the public address set 1 respectively, two installation poles 2 are symmetrical each other, the outer wall of the installation pole 2 installs the circular ring 3, the outer wall of the installation pole 2 rotates and connects with the elastic metal frame 4, the opposite side of the circular ring 3 and elastic metal frame 4 has tooth's socket 5 and gear tooth 6 that are matched with each other respectively, also include the stop gear, the stop gear includes the stopper 7, the stopper 7 is connected with one end far away from the public address set 1 of the installation pole 2, one side of the stopper 7 is inserted and connected with the plug pin 8, there is the spring 9 between the stopper 7 and the plug pin 8, the outer wall of the plug pin 8 rotates and connects with the pull ring 10, the user stirs the elastic metal frame 4, make teeth of a cogwheel 6 on the elastic metal frame 4 keep away from the tooth's socket 5 on the ring 3, and then be convenient for rotatory elastic metal frame 4 on the installation pole 2, the user loosens elastic metal frame 4, through utilizing the elasticity principle that restores to the throne of elastic metal frame 4, make elastic metal frame 4 through the cooperation use of tooth's socket 5 and teeth of a cogwheel 6 and be connected with the meshing of ring 3, and then fix elastic metal frame 4 on installation pole 2, through changing the position of elastic metal frame 4 on installation pole 2, when elastic metal frame 4 is located the top of megaphone 1, be convenient for hang the megaphone 1 on the object that has the couple, when elastic metal frame 4 is located the rear side of megaphone 1, ensure that megaphone 1 is difficult for toppling after placing on the object of upper surface non-level, through setting up stopper 7, make elastic metal frame 4 difficult for breaking away from installation pole 2, through the cooperation use of inserting nail 8 and spring 9, make ring 3 and elastic metal frame 4 meshing inseparabler, make elastic metal frame 4 difficult to rotate on installation pole 2 under the non-manpower circumstances, through setting up pull ring 10, convenience of customers draws the rotatory elastic metal frame 4 behind the insert pin 8 through the nib.

The second embodiment is that on the basis of the first embodiment, the loudspeaker further comprises a fixing mechanism, the fixing mechanism is arranged on the elastic metal frame 4, the fixing mechanism comprises a lead screw 11, the lead screw 11 is connected with the elastic metal frame 4 in an inserting mode, a fixing seat 12 is installed at the bottom end of the lead screw 11, a sucking disc 13 is arranged at the bottom of the fixing seat 12, a nut 14 is connected to the lead screw 11 in a threaded mode, the elastic metal frame 4 is located between the fixing seat 12 and the nut 14, a user can conveniently fix the loudspeaker 1 on a horizontal plane and a vertical plane of an object through matching of the sucking disc 13 and the elastic metal frame 4, the practicability of the loudspeaker is further improved, the direction of the loudspeaker 1 fixed on the object can be conveniently adjusted in multiple angles through rotating the nut 14 and matching of a positioning mechanism, and further sound transmission of the loudspeaker 1 is facilitated.

In the third embodiment, on the basis of the first embodiment, the elastic metal frame 4 is of a U-shaped structure, and the elastic metal frame 4 is of the U-shaped structure, so that certain safety is achieved, the corners of the elastic metal frame are not prone to scratching a user, comfort during use is improved, and meanwhile certain attractiveness is achieved.

In the fourth embodiment, a spacer 15 is provided between the elastic metal frame 4 and the nut 14, and the spacer 15 is provided to reduce the pressure between the elastic metal frame 4 and the nut 14 and prevent the nut 14 from loosening.

Fifth, on the basis of first embodiment, the ventilation groove has all been seted up to loudspeaker 1's both sides, and filter screen 16 is installed to the inner wall in ventilation groove, through setting up ventilation groove and filter screen 16, is favorable to loudspeaker 1's inside heat dissipation, avoids loudspeaker 1's inside entering dust simultaneously.

Sixth embodiment, on the basis of first embodiment, slipmat 17 is all installed to the both sides of megaphone 1, through setting up slipmat 17, increases the frictional force between staff and megaphone 1, and then is convenient for get and put megaphone 1, avoids taking off the hand phenomenon simultaneously.

The working principle is as follows:

when the microphone 1 is placed:

the user stirs elastic metal frame 4, make teeth of a cogwheel 6 on the elastic metal frame 4 keep away from tooth's socket 5 on the ring 3, and then be convenient for rotatory elastic metal frame 4 on the installation pole 2, the user loosens elastic metal frame 4, principle that resets through the elasticity that utilizes elastic metal frame 4, make elastic metal frame 4 use through the cooperation of tooth's socket 5 and teeth of a cogwheel 6 and be connected with the meshing of ring 3, and then fix elastic metal frame 4 on installation pole 2, through changing the position of elastic metal frame 4 on installation pole 2, when elastic metal frame 4 is located the top of loudspeaker 1, be convenient for hang loudspeaker 1 and establish on the object that has the couple, when elastic metal frame 4 is located loudspeaker 1's rear side, ensure that loudspeaker 1 is difficult for empting after placing on the non-horizontal object of upper surface.

Fixing and rotating the loudspeaker 1:

the user uses through the cooperation of sucking disc 13 and elastic metal frame 4, be convenient for fix megaphone 1 on the horizontal plane of object and vertical face, and then increased the practicality of the utility model, use through swivel nut 14 and cooperation positioning mechanism, the direction after convenient multi-angle adjustment megaphone 1 is fixed on the object, and then be favorable to the sound propagation of megaphone 1, through setting up stopper 7, make elastic metal frame 4 be difficult for breaking away from installation pole 2, use through the cooperation of inserting nail 8 and spring 9, make ring 3 and elastic metal frame 4 meshing inseparabler, make elastic metal frame 4 difficult for rotating on installation pole 2 under the non-manpower condition, through setting up pull ring 10, the person of facilitating the use rotates elastic metal frame 4 after inserting nail 8 through the nib of twitching.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a public address set is used with technique course in computer science and science, includes megaphone (1), its characterized in that, be provided with positioning mechanism on megaphone (1), positioning mechanism includes two installation pole (2), two installation pole (2) set up respectively in the both sides of megaphone (1), two installation pole (2) mutual symmetries, ring (3) are installed to the outer wall of installation pole (2), and the outer wall rotation of installation pole (2) is connected with elastic metal frame (4), ring (3) and elastic metal frame (4) relative one side are provided with tooth's socket (5) and the teeth of a cogwheel (6) of looks adaptation respectively.

2. The public address set for computer science and technology courses as claimed in claim 1, further comprising a limiting mechanism, wherein the limiting mechanism comprises a limiting block (7), the limiting block (7) is connected with one end of the mounting rod (2) far away from the public address set (1), an inserting nail (8) is inserted into one side of the limiting block (7), a spring (9) is arranged between the limiting block (7) and the inserting nail (8), and a pull ring (10) is rotatably connected to the outer wall of the inserting nail (8).

3. The public address set for computer science and technology course of claim 1, characterized by further comprising a fixing mechanism, the fixing mechanism is arranged on the elastic metal frame (4), the fixing mechanism comprises a lead screw (11), the lead screw (11) is inserted into the elastic metal frame (4), a fixing seat (12) is installed at the bottom end of the lead screw (11), a sucking disc (13) is arranged at the bottom of the fixing seat (12), a nut (14) is connected onto the lead screw (11) in a threaded manner, and the elastic metal frame (4) is located between the fixing seat (12) and the nut (14).

4. The computer science and technology lesson loudspeaker device as claimed in claim 1, wherein the elastic metal frame (4) is of a "U" shaped configuration.

5. A computer science and technology lesson loudspeaker device according to claim 3, characterized in that a washer (15) is arranged between said elastic metal frame (4) and said nut (14).

6. The loudspeaker device for computer science and technology courses as claimed in claim 1, wherein both sides of the loudspeaker (1) are provided with ventilation slots.

7. The computer science and technology lesson loudspeaker device as claimed in claim 6, wherein a filter screen (16) is mounted on the inner wall of the ventilation slot.

8. A computer science and technology lesson loudspeaker device according to claim 1, characterized in that non-slip pads (17) are mounted on both sides of the loudspeaker (1).