Gear-driven microphone lifter

Abstract

The utility model relates to a gear drive type microphone lifter, which belongs to the field of microphones and comprises a case and a control panel fixedly mounted on the upper surface of the case, a microphone structure extending to the upper surface of the control panel is arranged in the case, a lifting assembly is arranged in the case, and the lifting assembly is connected with the control panel. A driving mechanism for running and driving the lifting assembly is arranged in the case; the microphone structure comprises a microphone rod which is slidably connected to the interior of the case and extends to the upper surface of the control panel. According to the gear-driven microphone lifter, noise in the transmission process can be further reduced through combined use of the ultra-silence rack and the double guide rails, and the rack can better keep balance and reduce deviation and shaking under transmission of the driving mechanism through the double guide rails, so that more accurate positioning is ensured; therefore, transmission is more efficient and accurate, the response speed and the positioning accuracy of the lifting assembly are improved, and the advantage of high-stability lifting is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a microphone technical field, concretely is a gear drive type microphone lifter. BACKGROUND

[0002] The microphone is also called a microphone, which is a transducer for converting sound into an electronic signal. In the twentieth century, microphones developed from the initial conversion of sound and electricity through resistance to inductance and capacitance conversion. A large number of new microphone technologies have gradually developed, including aluminum tape, moving coil, and the currently widely used condenser microphone and electret microphone.

[0003] Microphones are needed in meetings, speeches, performances, and other occasions. In the prior art, microphones are used very frequently in meetings and performances, so the microphone lifting device needs to have high stability and low noise. However, the existing lifting device uses a simple mechanical structure, which has problems such as unstable lifting and loud noise, seriously affecting the use experience of the microphone and failing to meet the use requirements. Therefore, a gear drive type microphone lifter is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a gear drive type microphone lifter, which has the advantages of high stability and strong practicability, and solves the problem that in the prior art, microphones are used very frequently in meetings and performances, so the microphone lifting device needs to have high stability and low noise. However, the existing lifting device uses a simple mechanical structure, which has problems such as unstable lifting and loud noise, seriously affecting the use experience of the microphone and failing to meet the use requirements.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a gear drive type microphone lifter, comprising a case and a control panel fixedly installed on the upper surface of the case, the inside of the case is provided with a microphone structure extending to the upper surface of the control panel, the inside of the case is provided with a lifting assembly, and the inside of the case is provided with a driving mechanism for driving the lifting assembly;

[0006] The microphone structure comprises a microphone boom slidingly connected to the inside of the case and extending to the upper surface of the control panel, a microphone rod fixedly connected to the top of the microphone boom, and a microphone fixedly installed at the top end of the microphone rod.

[0007] The lifting assembly comprises a rack slidingly connected to the inside of the case, a moving block fixedly connected to the back of the rack, a sliding block fixedly connected to the outside of the moving block, and a guide rail provided on the outside of the sliding block.

[0008] The driving mechanism comprises a mounting frame fixedly connected to the inner wall of the cabinet, a forward-reverse motor fixedly installed on the upper surface of the mounting frame, a worm fixedly connected to the output shaft of the forward-reverse motor, a rotating shaft rotatably connected to the outer wall of the mounting frame, and a gear driving assembly arranged on the outer surface of the rotating shaft.

[0009] Further, the inside of the control panel is provided with a moving opening matched with the microphone rod, and a protective pad matched with the moving opening is fixedly installed in the moving opening.

[0010] Further, the microphone rod is fixedly installed at the top end of the moving block, and the number of the sliding blocks and the guide rails is two, and the two sliding blocks and guide rails are symmetrically distributed on the outside of the moving block.

[0011] Further, the outer diameter of the sliding block is matched with the inner diameter of the guide rail, the sliding block and the guide rail are in sliding connection, and the upper and lower sides of the guide rail are fixedly connected with fixing plates, and the fixing plates are fixedly connected with the cabinet through bolts.

[0012] Further, the gear driving assembly comprises a worm wheel fixedly installed at one end of the rotating shaft close to the mounting frame and a gear fixedly connected to the other end of the rotating shaft away from the mounting frame, the worm wheel and the worm are in meshing connection, and the gear and the rack are in meshing connection.

[0013] Further, the mounting frame is L-shaped, and the forward-reverse motor and the control panel are in electrical signal connection.

[0014] Further, the upper surface of the mounting frame is fixedly installed with a limiting seat, and the rotating shaft is rotatably connected to the inside of the limiting seat.

[0015] Compared with the prior art, the microphone lifter provided by the utility model has the following beneficial effects:

[0016] 1. The microphone lifter has the advantages that the combination of the super-silence rack and the double guide rails can further reduce the noise in the transmission process, the double guide rails can make the rack better keep balance under the transmission of the driving mechanism, reduce deviation and shaking, thereby ensuring more accurate positioning, making the transmission more efficient and accurate, improving the response speed and positioning accuracy of the lifting assembly, and achieving the advantages of high stability and lifting.

[0017] 2. The gear-driven microphone lifter, through the control panel to start the positive and negative rotation motor work, in the meshing of worm and worm gear and the meshing transmission of gear and rack, ensures the high precision of transmission, realizes the accurate displacement control, the rack moves up and down in the guide rail, thereby realizing the high stable lifting of microphone, and through the self-locking characteristics of worm and worm gear, the free falling of load due to gravity can be prevented, the safety and reliability of the equipment are improved, the advantages of high stable lifting and strong practicability are achieved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the structure perspective view of the utility model;

[0019] Fig. 2 It is the structure sectional perspective view of the utility model;

[0020] Fig. 3 It is the structure perspective view of the utility machine drive mechanism and microphone structure;

[0021] Fig. 4 It is the structure perspective view of the utility machine drive mechanism and lifting assembly;

[0022] Fig. 5 It is the structure perspective view of the utility machine drive mechanism.

[0023] In the drawing: 1, case; 2, control panel; 3, microphone structure; 31, microphone rod; 32, microphone rod; 33, microphone; 4, lifting assembly; 41, rack; 42, moving block; 43, sliding block; 44, guide rail; 45, fixed plate; 5, drive mechanism; 51, mounting frame; 52, positive and negative rotation motor; 53, worm; 54, rotating shaft; 55, worm gear; 56, gear. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figs. 1 to 5The gear-driven microphone lifter in the embodiment comprises a cabinet 1, a control panel 2 fixedly installed on the upper surface of the cabinet 1, a microphone structure 3 arranged in the interior of the cabinet 1 and extending to the upper surface of the control panel 2, a lifting assembly 4 arranged in the interior of the cabinet 1, and a driving mechanism 5 for driving the lifting assembly 4 to operate.

[0026] The interior of the control panel 2 is provided with a moving port matched with the microphone stem 31, and the moving port is fixedly installed with a protective pad matched with the moving port. The interior structure of the cabinet 1 is designed to prevent dust and water, which can prevent the circuit from being damaged by water or fine particles falling into the cabinet 1.

[0027] In the embodiment, the lifting assembly 4 comprises a rack 41 slidably connected to the interior of the cabinet 1, a moving block 42 fixedly connected to the back of the rack 41, a sliding block 43 fixedly connected to the exterior of the moving block 42, and a guide rail 44 arranged on the exterior of the sliding block 43. The rack 41 is a specially-made super-silent rack made of non-steel material, which has the characteristics of silence, stability and reliability.

[0028] The microphone stem 31 is fixedly installed on the top end of the moving block 42, and the number of the sliding block 43 and the guide rail 44 is two. The two sliding blocks 43 and the guide rails 44 are symmetrically distributed on the exterior of the moving block 42. By using the combination of the rack 41 and the guide rail 44, the noise in the transmission process can be further reduced, and by arranging the double guide rails 44, the rack 41 can be better balanced under the transmission of the driving mechanism 5, the deviation and shaking are reduced, the positioning is more accurate, the transmission is more efficient and accurate, the response speed and positioning accuracy of the lifting assembly 4 are improved, and the advantages of high stability and lifting are achieved.

[0029] Specifically, the outer diameter of the sliding block 43 is matched with the inner diameter of the guide rail 44, the sliding block 43 and the guide rail 44 are in sliding connection, the upper and lower sides of the guide rail 44 are fixedly connected with a fixed plate 45, and the fixed plate 45 is fixedly connected with the cabinet 1 by bolts.

[0030] In the embodiment, the driving mechanism 5 comprises a mounting bracket 51 fixedly connected to the inner wall of the cabinet 1, a forward-reverse motor 52 fixedly installed on the upper surface of the mounting bracket 51, a worm 53 fixedly connected to the output shaft of the forward-reverse motor 52, a rotating shaft 54 rotatably connected to the outer wall of the mounting bracket 51, and a gear drive assembly arranged on the outer surface of the rotating shaft 54. The mounting bracket 51 is L-shaped, and the forward-reverse motor 52 is in electrical signal connection with the control panel 2.

[0031] The gear driving assembly comprises a worm gear 55 fixedly installed at one end of the rotating shaft 54 close to the mounting rack 51 and a gear 56 fixedly connected to the other end of the rotating shaft 54 away from the mounting rack 51, the worm gear 55 and the worm 53 are in meshing engagement, and the gear 56 and the rack 41 are in meshing connection. By starting the forward and reverse motor 52 to work through the control panel 2, under the meshing transmission of the worm gear 55 and the worm 53 and the gear 56 and the rack 41, the high precision of transmission is ensured, the accurate displacement control is realized, the rack 41 moves up and down inside the guide rail 44, thereby realizing the high stable lifting of the microphone 33, and the self-locking property of the worm gear 55 and the worm 53 can prevent the load from freely falling due to gravity.

[0032] It should be noted that the upper surface of the mounting rack 51 is fixedly installed with a limiting seat, and the rotating shaft 54 is rotatably connected to the inside of the limiting seat.

[0033] The working principle of the above embodiment is as follows:

[0034] In actual use, the microphone 33 is fixed on the microphone boom 31, the forward and reverse motor 52 is started to work through the control panel 2, under the meshing transmission of the worm gear 55 and the worm 53 and the gear 56 and the rack 41, the high precision of transmission is ensured, the accurate displacement control is realized, the rack 41 moves up and down inside the guide rail 44, thereby realizing the high stable lifting of the microphone 33, and the self-locking property of the worm gear 55 and the worm 53 can prevent the load from freely falling due to gravity, the combination of the rack 41 and the guide rail 44 can further reduce the noise in the transmission process, and the double guide rails 44 can make the rack 41 better balanced under the transmission of the driving mechanism 5. Through this structure, the high stable lifting of the microphone 33 can be realized, and the use experience can be improved.

[0035] The mounting method, connecting method or setting method disclosed in the embodiment are common mechanical connecting methods, as long as the beneficial effects can be achieved, and in addition, the electrical elements in the embodiment are electrically connected with the master controller and the power supply, the master controller can be a conventional known device such as a computer which plays a control role, and the person skilled in the art can realize the control of the electrical elements through simple programming, and the existing disclosed power connection technology also belongs to the common knowledge in the art, so the specific structure composition and working principle are not described in detail.

[0036] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0037] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A gear-driven microphone lifter, characterized by: The utility model provides a control panel structure of a computer, including cabinet (1) and control panel (2) fixedly installed on the upper surface of cabinet (1), the inside of cabinet (1) is provided with the microphone structure (3) extending to the upper surface of control panel (2), the inside of cabinet (1) is provided with lifting assembly (4), the inside of cabinet (1) is provided with drive mechanism (5) of driving lifting assembly (4); The microphone structure (3) includes a microphone stem (31) slidingly connected to the inside of the cabinet (1) and extending to the upper surface of the control panel (2), a microphone rod (32) fixedly connected to the top of the microphone stem (31), and a microphone (33) fixedly installed at the top end of the microphone rod (32). The lifting assembly (4) includes a rack (41) slidingly connected to the inside of the cabinet (1), a moving block (42) fixedly connected to the back of the rack (41), a sliding block (43) fixedly connected to the outside of the moving block (42), and a guide rail (44) provided on the outside of the sliding block (43). The drive mechanism (5) includes a mounting bracket (51) fixedly connected to the inner wall of the cabinet (1), a forward-reverse motor (52) fixedly installed on the upper surface of the mounting bracket (51), a worm (53) fixedly connected to the output shaft of the forward-reverse motor (52), a rotating shaft (54) rotationally connected to the outer wall of the mounting bracket (51), and a gear drive assembly provided on the outer surface of the rotating shaft (54). The microphone stem (31) is fixedly installed at the top end of the moving block (42), and the number of the sliding block (43) and the guide rail (44) is two, and the two sliding blocks (43) and guide rails (44) are symmetrically distributed on the outside of the moving block (42).

2. A gear-driven microphone lifter according to claim 1, wherein: The inside of the control panel (2) is provided with a moving port matched with the microphone stem (31), and the inside of the moving port is fixedly installed with a protective pad matched with the moving port.

3. A gear-driven microphone lifter as defined in claim 1, wherein: The outer diameter of the sliding block (43) is matched with the inner diameter of the guide rail (44), the sliding block (43) and the guide rail (44) are slidingly connected, and the upper and lower sides of the guide rail (44) are fixedly connected with the fixed plate (45), and the fixed plate (45) is fixedly connected with the cabinet (1) through bolts.

4. A gear-driven microphone lifter according to claim 1, wherein: The gear drive assembly includes a worm wheel (55) fixedly installed on one end of the rotating shaft (54) close to the mounting bracket (51) and a gear (56) fixedly connected to the other end of the rotating shaft (54) away from the mounting bracket (51), the worm wheel (55) and the worm (53) are meshed with each other, and the gear (56) is meshed with the rack (41).

5. A gear-driven microphone lifter as defined in claim 1, wherein: The mounting bracket (51) is L-shaped, and the forward-reverse motor (52) is electrically connected with the control panel (2).

6. A gear-driven microphone lifter according to claim 5, wherein: The upper surface of the mounting bracket (51) is fixedly installed with a limiting seat, and the rotating shaft (54) is rotationally connected to the inside of the limiting seat.

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