CN218734797U - Wireless microphone is used in teaching - Google Patents

Abstract

The utility model provides a wireless microphone is used in teaching. The wireless microphone for teaching includes microphone and the casing of fixed mounting on the microphone outer wall, be provided with the guard plate on the casing, be provided with the embedding piece on the guard plate, erect the groove on the casing, erect the inslot and be provided with positioning mechanism, fixed mounting has solid fixed ring on the outer wall of casing, be provided with the arc in the solid fixed ring, the through-hole has been seted up on solid fixed ring's the bottom inner wall, the bottom fixed mounting of arc runs through a section of thick bamboo, run through a section of thick bamboo and run through the through-hole, the inside groove has been seted up on the casing, guard plate slidable mounting is on the inner wall of inside groove, positioning mechanism includes two cross slots, two cross slots are seted up respectively on the both sides inner wall of erecting the groove, slidable mounting has the frame that pulls in two cross slots. The utility model provides a teaching is with wireless microphone has the simple operation, can play the advantage of the health nature of protecting effect, improvement public microphone to the microphone.

Description

Wireless microphone is used in teaching

Technical Field

The utility model relates to a microphone technical field especially relates to a wireless microphone is used in teaching.

Background

The microphone is a sound receiving component of the sound amplifying equipment, and the microphone is connected with the sound amplifying component, so that the sound signal is transmitted to the sound amplifying equipment through the microphone for collecting nearby sounds, the effect of expanding the equipment is achieved, and at present, in public classes of high-class students, in order to enable the students at a later distance to hear courses and reduce the sound intensity of teachers, the microphone is adopted for teaching operations.

The prior art provides a wireless microphone for teaching, and its application number is: 201820998098.8, which comprises: the microphone comprises a microphone shell and a pickup head which is arranged at the top of the microphone shell and contains a moving-coil microphone, wherein a laser transmitter is arranged on the pickup head, and a main control board, a rechargeable battery and a microphone transmitter are arranged in the microphone shell; the main control board is electrically connected with the laser transmitter, the moving-coil microphone, the microphone transmitter and the rechargeable battery. Although the utility model discloses a simple structure, easy and simple to handle can realize audio frequency wireless transmission, have solved and have used complex operation's problems such as projecting apparatus, laser pen and PPT page turner in teaching at present, have advantages such as suitable popularization and application on a large scale.

However, the existing teaching appliances are mostly used in the teaching field, each classroom is provided with one pair, and in the using process of the microphone, the condition that a mouth touches the microphone exists more or less, so that the microphone is unsanitary, the condition of poor infection can be caused in the seasons of influenza and the like, and meanwhile, the microphone is mostly placed on a platform when not used, dust and chalk dust in the classroom can attach to the microphone, so that the blocking condition of the sound receiving position of the microphone is caused, and the service life of the microphone is influenced.

Therefore, there is a need to provide a new wireless microphone for teaching to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is to provide a wireless microphone is used in teaching of simple operation, can play the sanitation nature of protecting effect, improvement public microphone to the microphone.

In order to solve the technical problem, the utility model provides a wireless microphone is used in teaching includes: microphone and fixed mounting are provided with the guard plate on the casing on the microphone outer wall, are provided with the embedding piece on the guard plate, have seted up on the casing and have erected the groove, erect the inslot and be provided with positioning mechanism, and fixed mounting has solid fixed ring on the outer wall of casing, is provided with the arc in the solid fixed ring, has seted up the through-hole on solid fixed ring's the bottom inner wall, and the bottom fixed mounting of arc runs through a section of thick bamboo, runs through a section of thick bamboo through-hole.

Preferably, the shell is provided with an inner groove, and the protection plate is slidably mounted on the inner wall of the inner groove.

Preferably, positioning mechanism includes two cross slots, and two cross slots are seted up respectively on the both sides inner wall of erecting the groove, and slidable mounting has the pulling frame in two cross slots, has seted up the conflict hole on the embedding piece, and fixed mounting has the kicking block on the inner wall of one side of pulling frame, and the kicking block extends to in the conflict hole.

Preferably, a knob disc is arranged in the penetrating cylinder, two side blocks are fixedly mounted on the outer wall of the knob disc, positioning blocks are fixedly mounted at the tops of the two side blocks, two clamping grooves are formed in the bottom of the fixing ring, and the tops of the two positioning blocks extend into the two clamping grooves respectively.

Preferably, a sliding plate is slidably mounted in the penetrating cylinder, a convex column is fixedly mounted at the top of the knob disc, and the top end of the convex column is rotatably connected with the bottom of the sliding plate.

Preferably, two avoiding holes are formed in the inner wall of the through hole and are symmetrically formed based on the dots of the through hole.

Preferably, a first spring is arranged in the inner groove, a second spring is arranged in the corresponding transverse groove, and a third spring is arranged in the penetrating cylinder.

Compared with the prior art, the utility model provides a wireless microphone is used in teaching has following beneficial effect:

the utility model provides a wireless microphone is used in teaching, at the in-process that uses the microphone, can provide many people through supporting arc and separately use, switching arc that can be quick when using, user's mouth direct contact microphone's head can not appear with this, play sanitary effective protection with this, avoid causing the cross infection of communicable disease, simultaneously when not being suitable for the microphone, also can seal the protection through the cooperation of guard plate with the casing to the head of microphone, avoid debris such as dust to get into the head of microphone, the life of microphone has been improved to a certain extent.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a wireless microphone for teaching according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of the portion B shown in FIG. 1;

FIG. 4 is a schematic top cross-sectional view of the cross-slot of FIG. 1;

FIG. 5 is a schematic perspective view of the housing shown in FIG. 1;

fig. 6 is an enlarged schematic view of the portion C shown in fig. 5.

Reference numbers in the figures: 1. a microphone; 2. a housing; 3. an inner tank; 4. a protection plate; 5. a fixing ring; 6. an arc-shaped plate; 7. a base plate; 8. a vertical slot; 9. a transverse groove; 10. embedding a block; 11. pulling the frame; 12. a top block; 13. a through hole; 14. avoiding holes; 15. a through barrel; 16. a sliding plate; 17. a side block; 18. a card slot; 19. positioning blocks; 20. against the hole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1-6, wherein fig. 1 is a schematic structural diagram of a wireless microphone for teaching according to a preferred embodiment of the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; FIG. 3 is an enlarged view of the portion B shown in FIG. 1; FIG. 4 is a schematic top cross-sectional view of the cross-slot of FIG. 1; FIG. 5 is a schematic perspective view of the housing shown in FIG. 1; fig. 6 is an enlarged schematic view of the portion C shown in fig. 5. Wireless microphone is used in teaching includes: the microphone comprises a microphone 1 and a shell 2 fixedly arranged on the outer wall of the microphone 1, as shown in a combined figure 5, the shell 2 is formed by combining a circular ring plate at the bottom and a quarter arc plate at the top, a leaked space is used for collecting sound of the microphone 1, an inner groove 3 is arranged on the shell 2, as shown in the combined figure 1, the inner groove 3 is formed by communicating a ring groove positioned in the circular ring plate and an arc groove positioned on the quarter arc plate, one side of the arc groove is provided with an opening, a protection plate 4 is slidably arranged in the inner groove 3, the protection plate 4 is also a quarter arc plate, the protection plate 4 and the quarter arc plate at the top of the shell 2 are combined to form a dome shape, so that the head of the microphone 1 can be completely sealed, an embedded block 10 is fixedly arranged on the protection plate 4, the bottom of embedded piece 10 is established to the inclined plane, perpendicular groove 8 has been seted up on casing 2, be provided with positioning mechanism in the perpendicular groove 8, fixed mounting has solid fixed ring 5 on casing 2's the outer wall, it is shown in combination figure 5, gu fixed ring 5 is the arc piece of the circular ring plate outer wall in 2 bottoms of laminating casings, and the semicircular groove has been seted up at the top of arc piece, gu be provided with arc 6 in the fixed ring 5, through-hole 13 has been seted up on solid fixed ring 5's the bottom inner wall, the bottom fixed mounting of arc 6 has bottom plate 7, the bottom fixed mounting of bottom plate 7 has a through section of thick bamboo 15, the bottom that runs through a section of thick bamboo 15 runs through-hole 13, be provided with spring one in the inside groove 3, the top of spring one and the bottom fixed connection of guard plate 4, the bottom of spring one and the bottom inner wall fixed connection of inside groove 3.

The positioning mechanism comprises two transverse grooves 9, the two transverse grooves 9 are respectively formed in the inner walls of two sides of a vertical groove 8, the width of each transverse groove 9 is slightly larger than that of the corresponding vertical groove 8, as shown in specific combination with figure 4, two slideways are formed in the inner wall of the transverse groove 9 on one side, a transverse moving plate is slidably mounted in each slideway, a pulling frame 11 is fixedly mounted on the outer wall of one side of each transverse moving plate, as shown in figure 4, the overlooking state of the pulling frame 11 is shaped like a Chinese character 'mouth', a top block 12 is fixedly mounted on the inner wall of one side of the pulling frame 11, one side of the top block 12 is also set to be an inclined plane, the inclined plane on one side of the top block 12 and the inclined plane at the bottom of the embedding block 10 are both at an angle of 45 degrees, so that when the embedding block 10 abuts against the top block 12, the top block 12 automatically moves back, a second spring is arranged in the transverse groove 9 on one side, one end of the second spring is fixedly connected with the inner wall of the corresponding transverse groove 9, the outer wall of the pulling frame 11, the other end of the second spring is fixedly connected with the outer wall of the pulling frame 11, a pressing rod is fixedly mounted on one side of the outer wall of the shell 2, and extends to the outer wall of the shell 2 and is connected with the outer wall of the shell, and extends to one side of the contact block 10, and the contact hole 20 of the embedding block 10, and the contact hole is formed in the contact hole 20.

A knob disc is arranged in the penetrating cylinder 15, two side blocks 17 are fixedly mounted on the outer wall of the knob disc, the two side blocks 17 are symmetrically arranged based on the middle point of the knob disc, positioning blocks 19 are fixedly mounted at the tops of the two side blocks 17, two clamping grooves 18 are formed in the bottom of the fixing ring 5, the two clamping grooves 18 are also symmetrically formed based on the middle point of the knob disc, and the tops of the two positioning blocks 19 respectively extend into the two clamping grooves 18.

Run through and seted up two spouts on a section of thick bamboo 15's the inner wall, run through and be provided with sliding plate 16 in a section of thick bamboo 15, fixed mounting has two sliders on sliding plate 16's the outer wall, two sliders respectively with two spout inner wall sliding connection, the top fixed mounting projection of rotary disk, the fixed cover in top of projection is equipped with the bearing, the dead eye has been seted up to sliding plate 16's central point, the outer wall of bearing and the inner wall fixed connection of dead eye.

Two avoiding holes 14 are formed in the inner wall of the through hole 13, the two avoiding holes 14 are symmetrically formed based on the circular points of the through hole 13, and the two avoiding holes 14 are respectively matched with the two side blocks 17.

The utility model provides a wireless microphone's theory of operation is as follows for the teaching:

in the teaching process, when the microphone 1 is not needed to be used, the microphone 1 can be closed, then the protection plate 4 is slid, the protection plate 4 is moved out of the inner groove 3, finally the embedded block 10 on the protection plate 4 enters the vertical groove 8, in the process that the embedded block 10 enters the vertical groove 8, the bottom inclined surface of the embedded block 10 can gradually incline the side of the top block 12, so that the top block 12 and the pulling frame 11 can transversely move in the two transverse grooves 9, further the top block 12 enters the transverse groove 9 on one side, at the moment, the embedded block 10 is completely in the pulling frame 11, so that the embedded block 10 can completely enter the vertical groove 8, meanwhile, the pulling frame 11 can gradually compress the second spring in the transverse moving process, after the pulling frame 11 completely enters the vertical groove 8, the top block 12 is directly opposite to the abutting hole 20, under the resetting effect of the second spring, the top block 12 can enter the abutting hole 20, so that the clamping of the embedded block 10 is completed, and the effect of completely clamping the protection plate 4 is achieved, so that the head of the microphone 1 can not completely cover the head of the shell, and the head of the microphone 1 which is not suitable for use.

When the microphone 1 needs to be used, only the pressure lever needs to be transversely pressed, the pressure lever drives the pulling frame 11 to transversely move, so that the top block 12 enters the transverse groove 9 on one side again, and the protection plate 4 can be restored to the initial position under the resetting effect of the first spring.

And in the normal use in-process at microphone 1, can insert solid fixed ring 5 with arc 6 in, thereby make and run through a section of thick bamboo 15 and run through-hole 13, after running through completely, can stimulate the knob dish downwards, the knob dish downstream can drive two side pieces 17 and move down, thereby make two locating piece 19 move down, the knob dish moves down simultaneously and can drive sliding plate 16 and move down, and stretch spring three gradually, can rotate the knob dish after removing certain degree, make two locating piece 19 just to two draw-in grooves 18, after loosening the knob dish, just can upwards move under the reset effect of spring three, thereby make two locating piece 19 get into two draw-in grooves 18, thereby to the effect of fixing through a section of thick bamboo 15 and arc 6, and the user can be equipped with dedicated arc 6, so in the use of future, user's mouth just can be contradicted to the arc limit, thereby can effectually prevent splashing of saliva and cause the pollution to microphone 1's head.

Compared with the prior art, the utility model provides a wireless microphone is used in teaching has following beneficial effect:

the utility model provides a wireless microphone is used in teaching, at the in-process that uses microphone 1, can provide many people separately to use through supporting arc 6, switching arc 6 that can be quick when using, user's mouth direct contact microphone 1's head can not appear with this, with this effective protection of health plays, avoid causing the cross infection of infectious disease, simultaneously when not being suitable for microphone 1, also can seal the protection through guard plate 4 and casing 2's cooperation to microphone 1's head, avoid debris such as dust to get into microphone 1's head, microphone 1's life has been improved to a certain extent.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (7)

1. A wireless microphone for teaching comprising: microphone and fixed mounting be in casing on the microphone outer wall, its characterized in that, be provided with the guard plate on the casing, be provided with the embedding piece on the guard plate, perpendicular groove has been seted up on the casing, it is provided with positioning mechanism to erect the inslot, fixed mounting has solid fixed ring on the outer wall of casing, gu be provided with the arc in the fixed ring, gu set up the through-hole on the fixed ring's the bottom inner wall, the bottom fixed mounting of arc runs through a section of thick bamboo, it runs through to run through a section of thick bamboo the through-hole.

2. The wireless microphone for teaching as claimed in claim 1, wherein the housing has an inner groove, and the protection plate is slidably mounted on an inner wall of the inner groove.

3. The wireless microphone for teaching as claimed in claim 2, wherein the positioning mechanism includes two transverse grooves, the two transverse grooves are respectively formed on the inner walls of the two sides of the vertical groove, a pulling frame is slidably mounted in the two transverse grooves, the embedded block is provided with a contact hole, an ejector block is fixedly mounted on the inner wall of one side of the pulling frame, and the ejector block extends into the contact hole.

4. The wireless microphone for teaching as claimed in claim 3, wherein a knob disk is disposed in the through cylinder, two side blocks are fixedly mounted on an outer wall of the knob disk, positioning blocks are fixedly mounted on tops of the two side blocks, two clamping grooves are formed in a bottom of the fixing ring, and top ends of the two positioning blocks extend into the two clamping grooves respectively.

5. The wireless microphone for teaching as claimed in claim 4, wherein a sliding plate is slidably installed in the through cylinder, a convex pillar is fixedly installed at the top of the knob disk, and the top end of the convex pillar is rotatably connected with the bottom of the sliding plate.

6. The wireless microphone for teaching as claimed in claim 5, wherein two avoiding holes are formed on the inner wall of the through hole, and the two avoiding holes are symmetrically formed based on the dots of the through hole.

7. The wireless microphone for teaching as claimed in claim 6, wherein a first spring is provided in the inner groove, a second spring is provided in the corresponding lateral groove, and a third spring is provided in the penetrating cylinder.

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