CN111083588A

CN111083588A - Microphone convenient for teaching

Info

Publication number: CN111083588A
Application number: CN202010135359.5A
Authority: CN
Inventors: 不公告发明人
Original assignee: Fuzhou Economic And Technological Development Zone Meimexuan Stationery Co ltd
Current assignee: Fuzhou Economic And Technological Development Zone Meimexuan Stationery Co ltd
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-04-28

Abstract

The invention relates to the field of teaching aids, in particular to a microphone convenient for teaching, which comprises a base, a rotating cavity arranged in the top wall of the base and an engaging cavity arranged in the right end wall of the base, wherein a magnetic attracting device convenient for the base to be fixed on a table top is arranged in the left end wall of the engaging cavity, a rotatable rotating rod is arranged in the top wall of the rotating cavity, an outer gear ring is fixedly arranged at the tail end of the rotating rod in the rotating cavity, a first rotating shaft is rotatably arranged between the rotating cavity and the engaging cavity, and a first gear engaged with the outer gear ring is fixedly arranged at the tail end of the first rotating shaft in the rotating cavity. Thereby ensuring that the microphone has sufficient electric quantity when in use.

Description

Microphone convenient for teaching

Technical Field

The invention relates to the field of teaching aids, in particular to a microphone convenient for teaching.

Background

In the classroom teaching process, often need cooperate the microphone to carry out the radio reception public address, traditional microphone removes inconveniently, and it is very inconvenient to carry the base to remove often, also has some wireless microphones now, but these microphones need to charge at any time, and when the teacher sat down, the microphone can not be convenient fixed moreover, and is very inconvenient, consequently is necessary to set up a microphone that makes things convenient for the teaching to use and improves above-mentioned problem.

Disclosure of Invention

The invention aims to provide a microphone convenient for teaching, which can overcome the defects in the prior art, thereby improving the practicability of equipment.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a microphone convenient for teaching, which comprises a base, a rotating cavity arranged in the top wall of the base and a meshing cavity arranged in the right end wall of the base, wherein a magnetic suction device convenient for the base to be fixed on a table top is arranged in the left end wall of the meshing cavity, a rotatable rotating rod is arranged in the top wall of the rotating cavity, an outer gear ring is fixedly arranged at the tail end of the rotating rod in the rotating cavity, a first rotating shaft is rotatably arranged between the rotating cavity and the meshing cavity, a first gear meshed with the outer gear ring is fixedly arranged at the tail end of the first rotating shaft in the rotating cavity, a first bevel gear is fixedly arranged at the tail end of the first rotating shaft in the meshing cavity, the power of the magnetic suction device can be used for driving the first bevel gear to rotate so as to drive the rotating rod to rotate, a guide chute, a guide sliding rod is slidably arranged in the guide sliding groove, a left-right through gear cavity is arranged in the guide sliding rod, a second rotating shaft which is compressed front and back is arranged in the gear cavity in a bilaterally symmetrical and rotatable manner, a first gear which is meshed with racks fixedly arranged on the left end wall and the right end wall of the guide sliding groove is fixedly arranged on the outer surface of the second rotating shaft, a worm wheel fixedly connected with the second rotating shaft is arranged on the front side of the first gear, a worm which is meshed with the left worm wheel and the right worm wheel is rotatably arranged in the gear cavity, the worm is in power connection with a first motor fixedly arranged in the top wall of the gear cavity, a swinging block is hinged on the top wall of the guide sliding rod, a fixed cavity with a left opening is arranged in the left end wall of the swinging block, a radio receiver microphone which can be used for receiving radio is inserted in, a sliding block integrated with a Bluetooth module and a power supply module is arranged in the sliding hole in a sliding manner, a first spring is arranged between the sliding block and the left end wall of the sliding hole, second contacts which are in electric connection with first contacts symmetrically arranged on the upper end wall and the lower end wall of the sliding hole are symmetrically arranged on the upper end wall and the lower end wall of the sliding hole, an inserting rod fixedly connected with the right end wall of the fixed cavity is connected in the sliding hole in a sliding manner, a third contact which is in electric connection with a circuit in a classroom is fixedly arranged on the upper end wall and the lower end wall of the inserting rod, the third contact can supply power to the first contact, charging heads which are in electric connection with the first contacts are symmetrically arranged on the upper end wall and the lower end wall of the inserting rod, the charging heads can charge the power supply module arranged in the sliding block through a charging groove which is in electric connection with the power supply module and arranged on the right end wall of, the locking device can lock the sound receiving microphone when the guide sliding rod is located at the lowest part of the guide sliding groove.

Further, the magnetic attraction device comprises a sliding cavity with a rightward opening arranged in the left end wall of the meshing cavity, a sliding plate is arranged in the sliding cavity in a sliding mode, a second spring in a stretching state is arranged between the sliding plate and the top wall of the sliding cavity, a top rod capable of sliding up and down is fixedly arranged on the top wall of the sliding plate, the tail end of the top rod extends into the guide chute, a second motor is fixedly arranged in the right end wall of the sliding plate, a second bevel gear capable of meshing with the first bevel gear is fixedly arranged at the tail end of an output shaft of the second motor, a cylindrical cavity arranged on the left side of the meshing cavity is arranged below the top rod, a rotating block is rotatably arranged in the cylindrical cavity, a magnet is embedded in the top wall of the rotating block, a magnetic conduction block is fixedly arranged in the bottom wall of the cylindrical cavity, and a third rotating shaft fixedly connected with the, and a third bevel gear meshed with the second bevel gear is fixedly arranged at the tail end of the third rotating shaft in the meshing cavity.

Further, locking device includes the intercommunicating pore that sets up in the fixed chamber diapire, the intercommunicating pore with lead between the spout and pass through hydraulic pressure pipe communicates with each other, slidable in the intercommunicating pore be provided with slot complex inserted bar that sets up in the radio reception microphone diapire, the inserted bar with be provided with between the end wall about the intercommunicating pore the inserted bar shifts the back and drives the reset spring that the inserted bar resets.

The invention has the beneficial effects that: the microphone convenient for teaching is fixed on a teaching desktop, can be carried to walk in a classroom, is very convenient, and can charge a power supply module in the microphone when the device is fixed, so that the microphone is ensured to be sufficient in electric quantity when in use.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic diagram of the overall structure of a microphone convenient for teaching.

Fig. 2 is an enlarged schematic view of a in fig. 1.

Fig. 3 is an enlarged schematic view of B in fig. 1.

Fig. 4 is a schematic view of the structure of C-C in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1-4, a microphone convenient for teaching use includes a base 10, a rotation cavity 15 provided in the top wall of the base 10, and a meshing cavity 48 provided in the right end wall of the base 10, a magnetic attraction device 99 provided in the left end wall of the meshing cavity 48 and facilitating the base 10 to be fixed on a desktop, a rotatable rotation rod 23 provided in the top wall of the rotation cavity 15, an outer gear ring 16 fixedly provided at the end of the rotation rod 23 in the rotation cavity 15, a first rotation shaft 42 rotatably provided between the rotation cavity 15 and the meshing cavity 48, a first gear 31 meshed with the outer gear ring 16 fixedly provided at the end of the first rotation shaft 42 in the rotation cavity 15, a first bevel gear 43 fixedly provided at the end of the first rotation shaft 42 in the meshing cavity 48, the magnetic attraction device 99 being capable of driving the first bevel gear 43 to rotate, thereby drive dwang 23 rotates, be provided with the ascending spout 20 that leads of opening in the dwang 23 roof, slidable is provided with in the spout 20 and leads slide bar 21, lead the gear chamber 29 that link up about being provided with in the slide bar 21, the rotatable second pivot 19 that compresses around being provided with of bilateral symmetry in the gear chamber 29, second pivot 19 external surface fixed be provided with lead the fixed first gear 18 that meshes with rack 22 that sets up on the end wall about slide bar 20, first gear 18 front side be provided with second pivot 19 fixed connection's worm wheel 30, rotatable being provided with in the gear chamber 29 with about two worm wheel 30 equal meshing's worm 17, worm 17 with the fixed first motor 28 power connection that sets up in the gear chamber 29 roof, lead articulated on the slide bar 21 roof and be connected with swinging block 53, a fixed cavity 25 with a leftward opening is arranged in the left end wall of the swinging block 53, a radio microphone 24 for radio reception is inserted in the fixed cavity 25, a sliding hole 26 with a rightward opening is arranged in the right end wall of the radio microphone 24, a sliding block 54 integrating a bluetooth module and a power supply module is arranged in the sliding hole 26 in a sliding manner, a first spring 27 is arranged between the sliding block 54 and the left end wall of the sliding hole 26, second contacts 41 which are electrically connected with first contacts 36 which are symmetrically arranged on the upper end wall and the lower end wall of the sliding hole 26 are symmetrically arranged on the upper end wall and the lower end wall of the sliding hole 54, an inserting rod 38 which is fixedly connected with the right end wall of the fixed cavity 25 is connected in the sliding hole 26 in a sliding manner, third contacts 37 which are electrically connected with circuits in a classroom are fixedly arranged on the upper end wall and the lower end wall of the inserting rod 38, and the third contacts 37, meanwhile, the insertion rod 38 is provided with charging heads 39 which are electrically connected with the first contact 36 in an up-down symmetrical manner on the end wall, the charging heads 39 can charge a power supply module arranged in the sliding block 54 through a charging groove 40 which is arranged on the end wall on the right side of the sliding block 54 and electrically connected with the power supply module, a locking device 98 for locking the radio microphone 24 is arranged in the bottom wall of the fixed cavity 25, and the locking device 98 can lock the radio microphone 24 when the guide slide rod 21 is positioned at the lowest part of the guide slide groove 20.

Beneficially, the magnetic attraction device 99 includes a sliding cavity 13 with a rightward opening arranged in the left end wall of the meshing cavity 48, a sliding plate 11 is slidably arranged in the sliding cavity 13, a second spring 12 in a stretching state is arranged between the sliding plate 11 and the top wall of the sliding cavity 13, a top wall of the sliding plate 11 is fixedly provided with a top rod 14 capable of sliding up and down, the top end of the top rod 14 extends into the guide chute 20, a second motor 45 is fixedly arranged in the right end wall of the sliding plate 11, the end of an output shaft of the second motor 45 is fixedly provided with a second bevel gear 44 capable of meshing with the first bevel gear 43, a cylindrical cavity 49 located on the left side of the meshing cavity 48 is arranged below the top rod 14, a rotating block 50 is rotatably arranged in the cylindrical cavity 49, a magnet 51 is embedded in the top wall of the rotating block 50, a magnetic guide block 56 is fixedly arranged in the bottom, a third rotating shaft 47 fixedly connected with the rotating block 50 is rotatably arranged between the cylindrical cavity 49 and the meshing cavity 48, and a third bevel gear 46 meshed with the second bevel gear 44 is fixedly arranged at the tail end of the third rotating shaft 47 in the meshing cavity 48.

Advantageously, the locking device 98 comprises a communication hole 33 arranged in the bottom wall of the fixed chamber 25, the communication hole 33 is communicated with the guide chute 20 through the hydraulic tube 52, an insertion rod 34 matched with a slot 35 arranged in the bottom wall of the sound-receiving microphone 24 is slidably arranged in the communication hole 33, and a return spring 32 for driving the insertion rod 34 to return after the insertion rod 34 is displaced is arranged between the insertion rod 34 and the left and right end walls of the communication hole 33.

The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.

As shown in fig. 1-4, in the initial state of the apparatus of the present invention, the second spring 12 is in a stretched state, the first spring 27 is in a compressed state, the third bevel gear 46 is engaged with the second bevel gear 44, and the second bevel gear 44 is disengaged from the first bevel gear 43.

Sequence of mechanical actions of the whole device:

when the device of the present invention works, the base 10 is held by hand, so as to move the base 10 to a proper position on a platform, at this time, the radio receiver 24 is locked by the locking device 98, when moving, the radio receiver 24 does not fall off, at this time, the second motor 45 is started to drive the second bevel gear 44 to rotate, so as to drive the third bevel gear 46 to rotate, so as to drive the third rotating shaft 47 to rotate, so as to drive the rotating block 50 to rotate for half a circle, at this time, the magnet 51 rotates to the lower side of the rotating block 50 to abut against the magnetic conduction block 56, at this time, the magnet 51 adsorbs the base 10 on the platform through the magnetic conduction block 56, at this time, the first motor 28 is started to drive the worm 17 to rotate, so as to drive the worm wheel 30 to rotate, so as to drive the first gear 18 to rotate, so as to drive the slide guide rod 21 to move upwards, thereby driving the sound receiving microphone 24 to move upwards, when the sound receiving microphone 24 moves upwards to a proper height, the first motor 28 is turned off, at this time, as the sliding guide rod 21 moves upwards, the hydraulic oil in the hydraulic tube 52 drives the insertion rod 34 to slide out of the insertion slot 35, thereby releasing the lock of the sound receiving microphone 24, at the same time, as the sliding guide rod 21 moves upwards, the sliding plate 11 moves upwards under the action of the second spring 12, thereby driving the second bevel gear 44 to move upwards to engage with the first bevel gear 43, at this time, the second motor 45 drives the second bevel gear 44 to rotate, thereby driving the first bevel gear 43 to rotate, thereby driving the outer gear ring 16 to rotate, thereby driving the rotating rod 23 to rotate, thereby adjusting the orientation of the sound receiving microphone 24, thereby facilitating the adjustment of the sound receiving direction of the sound receiving microphone 24 according to the standing position of a teacher, at this time, the third contact 37 is electrically connected with the first contact 36, so as to supply power to the radio microphone 24, when a teacher needs to move greatly, the radio microphone 24 can be drawn out of the fixed cavity 25, at this time, the sliding block 54 slides out of the sliding hole 26 under the action of the first spring 27, at this time, the second contact 41 abuts against the first contact 36, and the power supply module in the sliding block 54 can supply power to the radio microphone 24.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a microphone that convenient teaching was used, includes the base and the rotation chamber that sets up in the base roof and the meshing chamber that sets up in the base right side end wall, its characterized in that: a magnetic suction device which is convenient for the base to be fixed on a table top is arranged in the end wall at the left side of the meshing cavity, a rotatable rotating rod is arranged in the top wall of the rotating cavity, an outer gear ring is fixedly arranged at the tail end of the rotating rod in the rotating cavity, a first rotating shaft is rotatably arranged between the rotating cavity and the meshing cavity, a first gear which is meshed with the outer gear ring is fixedly arranged at the tail end of the first rotating shaft in the rotating cavity, a first bevel gear is fixedly arranged at the tail end of the first rotating shaft in the meshing cavity, the power of the magnetic suction device can be used for driving the first bevel gear to rotate so as to drive the rotating rod to rotate, a guide sliding groove with an upward opening is arranged in the top wall of the rotating rod, a guide sliding rod is slidably arranged in the guide sliding groove, a left-right through gear cavity is, the outer surface of the second rotating shaft is fixedly provided with a first gear which is meshed with racks fixedly arranged on the left end wall and the right end wall of the sliding guide groove, the front side of the first gear is provided with a worm wheel fixedly connected with the second rotating shaft, a worm which is meshed with the left worm wheel and the right worm wheel is rotatably arranged in the gear cavity, the worm is in power connection with a first motor fixedly arranged in the top wall of the gear cavity, the top wall of the sliding guide rod is hinged and connected with a swinging block, a fixed cavity with a leftward opening is arranged in the left end wall of the swinging block, a radio microphone capable of being used for radio reception is inserted in the fixed cavity, a sliding hole with a rightward opening is arranged in the right end wall of the radio microphone, a sliding block integrated with a Bluetooth module and a sliding block power supply module is arranged in the sliding hole in a sliding mode, the upper and lower end walls of the sliding block are symmetrically provided with second contacts which are electrically connected with the first contacts symmetrically arranged on the upper and lower end walls of the sliding hole, an inserting rod fixedly connected with the right end wall of the fixed cavity is connected in the sliding hole in a sliding manner, a third contact electrically connected with a circuit in a classroom is fixedly arranged on the upper end wall and the lower end wall of the inserting rod, the third contact can supply power for the first contact, meanwhile, the end wall of the inserted link is provided with charging heads which are electrically connected with the first contact in an up-down symmetrical manner, the charging head can charge the power supply module arranged in the sliding block through a charging groove which is arranged on the right end wall of the sliding block and is electrically connected with the power supply module, the fixed chamber bottom wall is internally provided with a locking device used for locking the radio reception microphone, and the locking device can lock the radio reception microphone when the guide sliding rod is positioned at the lowest part of the guide sliding groove.

2. A microphone for facilitating teaching use as claimed in claim 1, wherein: the magnetic attraction device comprises a sliding cavity with a right opening arranged in the left end wall of the meshing cavity, a sliding plate is arranged in the sliding cavity in a sliding mode, a second spring in a stretching state is arranged between the sliding plate and the top wall of the sliding cavity, a push rod capable of sliding up and down is fixedly arranged on the top wall of the sliding plate, the tail end of the top of the push rod extends into the guide chute, a second motor is fixedly arranged in the right end wall of the sliding plate, a second bevel gear capable of meshing with the first bevel gear is fixedly arranged at the tail end of an output shaft of the second motor, a cylindrical cavity arranged on the left side of the meshing cavity is arranged below the push rod, a rotating block is rotatably arranged in the cylindrical cavity, a magnet is embedded in the top wall of the rotating block, a magnetic conduction block is fixedly arranged in the bottom wall of the cylindrical cavity, and a third rotating shaft fixedly connected, and a third bevel gear meshed with the second bevel gear is fixedly arranged at the tail end of the third rotating shaft in the meshing cavity.

3. A microphone for facilitating teaching use as claimed in claim 1, wherein: locking device includes the intercommunicating pore that sets up in the fixed chamber diapire, the intercommunicating pore with lead between the spout and pass through hydraulic pressure pipe communicates with each other, slidable in the intercommunicating pore be provided with slot complex inserted bar that sets up in the radio reception microphone diapire, the inserted bar with be provided with between the end wall about the intercommunicating pore drive after the inserted bar shifts the reset spring that the inserted bar resets.