CN217406703U - Automatic lift microphone holder - Google Patents

Abstract

The utility model discloses an automatic lift words barrel holder, the on-line screen storage device comprises a base, base up end fixedly connected with fixed plate, the left end face fixed mounting of fixed plate has the motor, the mounting groove has been seted up to the right-hand member face below of fixed plate, the threaded rod has been installed in the inside rotation of spout, the surface screw thread of threaded rod has connect the slide soon, the right-hand member face bolted connection of slide has the lifter plate, be provided with fixed cover directly over the lifter plate, the solid fixed ring of up end fixedly connected with microphone of fixed cover, the solid fixed ring's of microphone inside is inserted and is equipped with the microphone main part, the up end left side fixedly connected with control box of base, this product adopt the range finding principle, and the different speech people's of automatic scanning height carries out automatically regulated to the microphone main part, has broken away from manual operation's subjectivity, more convenient and fast.

Description

Automatic lift microphone holder

Technical Field

The utility model relates to a microphone frame technical field specifically is an automatic lift microphone frame.

Background

In large-scale activities such as the performance of the New year's day, the evening of awarding prizes and lecture competitions, the height of the microphones is adjusted one by one according to the height of a person because of the different heights of speakers. People often see that a frequent worker runs to a platform to adjust a microphone for a speaker in the activity, the condition affects the overall consistency and the attractiveness of programs, and even the condition of interrupting the overall rhythm and thought of a conference is brought to the speaker in a major conference, so that an automatic lifting microphone frame is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic lift microphone holder to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an automatic lifting microphone holder comprises a base, wherein a fixed plate is fixedly connected to the upper end face of the base, a motor is fixedly mounted on the left end face of the fixed plate, a driving bevel gear is fixedly connected to the output end of the motor, a sliding groove is formed above the right end face of the fixed plate, a mounting groove is formed below the right end face of the fixed plate, a dust cover is connected to the right end face of the fixed plate and positioned in the mounting groove through a bolt, a threaded rod is rotatably mounted inside the sliding groove, the bottom end of the threaded rod extends into the mounting groove, a driven bevel gear is fixedly mounted at the bottom end of the threaded rod, the driving bevel gear is meshed with the driven bevel gear, a sliding plate is screwed on the outer surface of the threaded rod, a lifting plate is fixedly connected to the right end face of the sliding plate, a fixed sleeve is fixedly mounted right above the lifting plate, and a microphone fixing ring is fixedly connected to the upper end face of the fixed sleeve, the utility model discloses a microphone, including the solid fixed ring of microphone, the solid fixed ring's of microphone inside is inserted and is equipped with the microphone main part, the up end left side fixedly connected with control box of base, the inside of control box is provided with the controller, the right-hand member face fixed mounting of fixed cover has range finding sensor, and the controller is respectively through the signal input part of wire and motor, range finding sensor's signal output part electric connection.

Preferably, the distance measuring sensor is an ultrasonic sensor.

Preferably, a limiting sleeve is fixedly sleeved above the left end face of the fixing plate, and the lifting plate is slidably arranged on the limiting sleeve in a penetrating mode.

Preferably, the bottom end face of the fixed sleeve is provided with a clamping groove, the upper end face of the lifting plate is integrally connected with a clamping block, the clamping block is clamped in the clamping groove, and the clamping block and the fixed sleeve are fixed through a plurality of screws.

Preferably, the bottom end face of the base is fixedly connected with a rubber pad.

Preferably, the annular inner wall of the microphone fixing ring is fixedly connected with a positioning block through a plurality of springs.

Compared with the prior art, the beneficial effects of the utility model are that: the product adopts a distance measuring principle, automatically scans the heights of different speakers to automatically adjust the microphone body, gets rid of the subjectivity of manual operation, and is more convenient and faster; the lifting plate is guided and limited by the limiting sleeve; the fixed sleeve can be conveniently disassembled and assembled through the clamping groove and the clamping block; the rubber pad can improve the friction force between the product and the placing surface; can be convenient for fix a position not unidimensional microphone main part through spring and locating piece cooperation.

Drawings

Fig. 1 is a schematic perspective view of an automatic elevating microphone holder;

FIG. 2 is a schematic front sectional view of a main body structure of an automatic elevating microphone holder;

FIG. 3 is a schematic view of a microphone fixing ring of an automatic elevating microphone holder;

fig. 4 is an enlarged schematic view of a structure a in fig. 2 of an automatic elevating microphone holder;

fig. 5 is a schematic diagram of a circuit control structure of an automatic elevating microphone holder.

In the figure: 1-base, 2-control box, 3-motor, 4-fixed plate, 5-lifting plate, 6-position limiting sleeve, 7-distance measuring sensor, 8-fixed sleeve, 9-microphone fixed ring, 10-microphone body, 11-driven bevel gear, 12-installation groove, 13-driving bevel gear, 14-sliding plate, 15-threaded rod, 16-sliding groove, 17-positioning block, 18-spring, 19-rubber pad and 20-dust cap.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: an automatic lifting microphone holder comprises a base 1, wherein a fixed plate 4 is fixedly connected to the upper end face of the base 1, a motor 3 is fixedly mounted on the left end face of the fixed plate 4, a driving bevel gear 13 is fixedly connected to the output end of the motor 3, a sliding groove 16 is formed above the right end face of the fixed plate 4, a mounting groove 12 is formed below the right end face of the fixed plate 4, a dustproof cover 20 is connected to the right end face of the fixed plate 4 and located at the mounting groove 12 through a bolt, a threaded rod 15 is rotatably mounted in the sliding groove 16, the bottom end of the threaded rod 15 extends into the mounting groove 12, a driven bevel gear 11 is fixedly mounted at the bottom end of the threaded rod 15, the driving bevel gear 13 is meshed with the driven bevel gear 11, a sliding plate 14 is screwed to the outer surface of the threaded rod 15, and a lifting plate 5 can be fixedly connected to the right end face of the sliding plate 14 through a screw, fixed cover 8 is fixedly installed directly over lifter plate 5, the solid fixed ring 9 of up end fixedly connected with microphone of fixed cover 8, microphone main part 10 is inserted in the inside of the solid fixed ring 9 of microphone, the right-hand member face fixed mounting of fixed cover 8 has range sensor 7, and range sensor 7 can specifically adopt HC-SR04 type ultrasonic sensor.

When specifically using, can be in the up end left side fixed connection control box 2 of base 1, can set up the installation Arduino Nano controller in the inside of control box 2, and Arduino Nano controller passes through the step motor driver and is connected with motor 3 electricity, and Arduino Nano controller still is connected with range sensor 7 electricity. A switch button can be arranged on the fixed plate 4 or the lifting plate 5 and is electrically connected with the Arduino Nano controller.

The utility model discloses a theory of operation: before the microphone is used, the automatic lifting microphone holder is in an initial state, the lifting plate 5 is located at the nearest position, after a speaker moves to the microphone body 10, a switch button can be pressed, the distance measuring sensor 7 starts to work, the distance measuring sensor 7 can detect a human body in front of the microphone body 10, meanwhile, the Arduino Nano controller controls the motor 3 to rotate forwards, the motor 3 sequentially drives the driving bevel gear 13, the driven bevel gear 11 and the threaded rod 15 to rotate, the rotating threaded rod 15 drives the lifting plate 5 to ascend, when the distance measuring sensor 7 detects that no object exists in front, namely the height position of the distance measuring sensor 7 exceeds the head top of the speaker, the distance measuring sensor 7 transmits a signal to the Arduino Nano controller, the Arduino Nano controller can calculate the height of the speaker, meanwhile, the Arduino Nano controller controls the motor 3 to stop working, the position from the head top to the mouth of the speaker is about 15-18 cm, can specifically set for 5 subsequent descending distance of lifter plate to be 25 centimetres, then, the reversal of Arduino Nano controller control motor 3, motor 3 will drive microphone main part 10 and descend downwards, reach behind the descending distance of settlement, Arduino Nano controller control motor 3 stop work, thereby this device can make microphone main part 10 adjust the approximate position of speaker mouth, when current speaker leaves the back, when range finding sensor 7 detects the place ahead and does not have the object, leave for current speaker, Arduino Nano controller will restart motor 3 again, motor 3 will drive microphone main part 10 and descend and reset, get back to initial condition.

If there is new speaker to move to microphone main part 10 again, repeat above-mentioned step to this microphone frame has overcome the different requirements of different height speakers to microphone main part 10 height, and this product adopts the range finding principle, and the height of different speakers of automatic scanning carries out automatically regulated to microphone main part 10, has broken away from manual operation's subjectivity, and is more convenient and fast.

The fixed plate 4 is fixed to be cup jointed the stop collar 6 in the left end face top, 5 liftout plate slide to wear to establish on stop collar 6. The lifting plate 5 can be guided and limited by moving up and down through the limiting sleeve 6.

The bottom face of fixed cover 8 has seted up the draw-in groove, the up end integration of lifter plate 5 is connected with the joint piece, and joint piece joint is in the inside of draw-in groove, and fixes through a plurality of screws between joint piece and the fixed cover 8, can be convenient for carry out the dismouting with fixed cover 8 through draw-in groove and joint piece.

The bottom end face of the base 1 is fixedly connected with a rubber pad 19, and the rubber pad 19 can improve the friction force between the product and a placing face.

The annular inner wall of the microphone fixing ring 9 is fixedly connected with a positioning block 17 through a plurality of springs 18, and the microphone main bodies 10 of different sizes can be conveniently positioned through the cooperation of the springs 18 and the positioning block 17.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. An automatic lift microphone frame, includes base (1), its characterized in that: the improved structure of the elevator is characterized in that a fixing plate (4) is fixedly connected to the upper end face of the base (1), a motor (3) is fixedly mounted on the left end face of the fixing plate (4), a driving bevel gear (13) is fixedly connected to the output end of the motor (3), a sliding groove (16) is formed in the upper portion of the right end face of the fixing plate (4), a mounting groove (12) is formed in the lower portion of the right end face of the fixing plate (4), a threaded rod (15) is rotatably mounted inside the sliding groove (16), the bottom end of the threaded rod (15) extends into the mounting groove (12), a driven bevel gear (11) is fixedly mounted at the bottom end of the threaded rod (15), the driving bevel gear (13) is meshed with the driven bevel gear (11), a sliding plate (14) is rotatably connected to the outer surface thread of the threaded rod (15), and a lifting plate (5) is fixedly connected to the right end face of the sliding plate (14), fixed mounting has fixed cover (8) directly over lifter plate (5), the solid fixed ring of up end fixedly connected with microphone (9) of fixed cover (8), the inside of the solid fixed ring of microphone (9) is inserted and is equipped with microphone main part (10), the right-hand member face fixed mounting of fixed cover (8) has range sensor (7).

2. An automatic lifting microphone holder as claimed in claim 1, characterized in that: the distance measuring sensor (7) adopts an HC-SR04 type ultrasonic sensor.

3. An automatic lifting microphone holder as claimed in claim 2, characterized in that: the limiting sleeve (6) is fixedly sleeved above the left end face of the fixing plate (4), and the lifting plate (5) is slidably arranged on the limiting sleeve (6).

4. An automatic lifting microphone holder as claimed in claim 3, characterized in that: the clamping groove is formed in the bottom end face of the fixing sleeve (8), the upper end face of the lifting plate (5) is integrally connected with a clamping block, the clamping block is clamped inside the clamping groove, and the clamping block and the fixing sleeve (8) are fixed through a plurality of screws.

5. An automatic lifting microphone holder as claimed in claim 4, wherein: the bottom end face of the base (1) is fixedly connected with a rubber pad (19).

6. An automatic lifting microphone holder as claimed in claim 5, wherein: the annular inner wall of the microphone fixing ring (9) is fixedly connected with a positioning block (17) through a plurality of springs (18).

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