CN220440885U - Microphone support - Google Patents

Abstract

The utility model discloses a microphone bracket, which comprises a chassis, a microphone direction adjusting component, a horizontal locking component, a bracket telescopic component and an adsorption component, wherein the chassis is provided with a microphone bracket; and (3) a chassis: the upper end of the frame is provided with a support frame, the outer surface of the support frame is provided with a chute, and the inner wall of the chute is in sliding connection with a sliding block on the side surface of the frame plate; horizontal locking assembly: the device is arranged at the upper end of the frame plate; microphone direction adjustment assembly: the horizontal locking component is arranged at the upper end of the horizontal locking component; support expansion assembly: the telescopic bracket assembly is arranged in the sliding chute, and is respectively matched with the inner wall of the sliding chute and the frame plate; and (3) an adsorption component: the adsorption component is arranged at the lower end of the chassis and is matched with the support frame; wherein: the upper end of the microphone direction adjusting component is provided with a microphone support, and the inner wall of a socket in the middle of the microphone support is provided with uniformly distributed microphone elastic clamping strips; this microphone support, stability is good, and personnel's operability is less, and the convenience that satisfies people when using the microphone that can be better brings.

Description

Microphone support

Technical Field

The utility model relates to the technical field of multimedia hardware, in particular to a microphone bracket.

Background

Microphones are known as microphones, also called microphones, microphones. A microphone is an energy conversion device that converts sound signals into electrical signals. There are classified moving coil, capacitive, electret and recently emerging silicon micro microphones, in addition to liquid microphones and laser microphones. Most microphones are electret capacitor microphones which operate on the principle of using a polymeric material diaphragm with permanent charge isolation. If the television reporter is facing the side of the interview object during interview, the television reporter lacks necessary response, stands awkwardly, and a microphone bracket is born at the rear;

some traditional brackets existing in the market are telescopic, a human hand stretches the telescopic end of the telescopic bracket and then stretches and fixes the telescopic end according to friction damping, and when the angle is adjusted, rotation and subsequent position fixing are realized by means of a rotating shaft with damping;

there are some problems, such as the fact that the microphone stand is only fixed with the placing surface by virtue of the supporting legs, toppling easily occurs, and the lifting and the stretching stand body is quite laborious to pull and reset by people, the rotation fixation after plane rotation and inclination angle change is quite poor, and the microphone stand is quite easy to turn loose.

Disclosure of Invention

The utility model aims to overcome the existing defects, provides a microphone bracket, can better meet the convenience brought by people when using a microphone, and can effectively solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a microphone bracket comprises a chassis, a microphone direction adjusting component, a horizontal locking component, a bracket telescopic component and an adsorption component;

and (3) a chassis: the upper end of the frame is provided with a support frame, the outer surface of the support frame is provided with a chute, and the inner wall of the chute is in sliding connection with a sliding block on the side surface of the frame plate;

horizontal locking assembly: the device is arranged at the upper end of the frame plate;

microphone direction adjustment assembly: the horizontal locking component is arranged at the upper end of the horizontal locking component;

support expansion assembly: the telescopic bracket assembly is arranged in the sliding chute, and is respectively matched with the inner wall of the sliding chute and the frame plate;

and (3) an adsorption component: the adsorption component is arranged at the lower end of the chassis and is matched with the support frame;

wherein: microphone direction adjusting part's upper end is equipped with the microphone support, the socket inner wall at microphone support middle part is equipped with evenly distributed's microphone elasticity holding strip, the microphone support can be fast with put the face fixedly, can not take place easily and empty, guarantee the supporting effect of microphone support, and can release fast, can realize the height of microphone support, plane and inclination adjustment, degree of automation is high, alleviates personnel's regulation burden, and can stabilize the locking fast after plane and inclination adjustment, structural design is reasonable nimble, satisfies the abundant regulation demand of microphone support.

Further, the control switch group is arranged at the upper end of the outer surface of the supporting frame, the storage battery is arranged at the upper end of the supporting frame, the input end of the control switch group is electrically connected with the output of the storage battery, and the operability of personnel is less.

Further, horizontal locking subassembly includes locking round hole, spring two, swash plate knot, locking push rod and microphone adjustment direction chassis, microphone adjustment direction chassis sets up in the upper end of frame plate, microphone adjustment direction chassis's upper end rotation is connected with the rotation axis, the locking round hole evenly sets up in the surface of rotation axis, sliding connection has the swash plate knot in the vertical spout of microphone adjustment direction chassis, radial sliding connection of locking push rod is in the smooth mouth of microphone adjustment direction chassis upper end, locking push rod and locking round hole cooperation installation, the upper end of swash plate knot is installed with the swash plate cooperation of locking push rod end, spring two sets up between the swash plate of locking push rod end and smooth mouth inner wall, spring two is established with the body of rod movable sleeve of locking push rod, accomplish the locking to microphone realization horizontal direction.

Further, microphone direction adjustment subassembly includes safety cover, draws knot, spring one, locking gear and rocker, the safety cover sets up in the upper end of rotation axis, and the rocker passes through the axis of rotation to be rotated and is connected in the notch of safety cover, and the upper end of rocker is equipped with the microphone support, and the outside of axis of rotation is located to locking gear fixed cover, draws knot sliding connection in the slip circle mouth of safety cover, and spring one fixed connection is located the outside of drawing knot between the inserted sheet of inner wall and the knot of safety cover, and inserted sheet and locking gear peg graft, accomplish the function of direction adjustment.

Further, the flexible subassembly of support includes motor one, gear and tooth, motor one sets up in the surface of frame plate, and the output shaft of motor one rotates with the inner wall of frame plate to be connected, and the output shaft of motor one stretches into the inside of frame plate and is equipped with the gear, is equipped with evenly distributed's tooth on the inner wall of spout, and tooth and gear engagement are connected, and the input of control switch group is connected to motor one's input electricity, can realize the flexible of conversation section of thick bamboo support.

Further, the adsorption component comprises an air duct, a sucker and a connecting block, wherein the sucker is arranged at the lower end of the chassis, the air hole at the upper end of the sucker is provided with the air duct, and a piston arranged at the lower end of the connecting block is in sliding connection with the inner wall of the air duct to finish the fixation of the dialogue tube bracket.

Further, the adsorption component further comprises a second motor, a sliding vane and a screw rod, the lower end of the support frame is provided with a mounting groove, the top wall of the mounting groove is provided with a second motor, the lower end of an output shaft of the second motor is provided with the screw rod, the bottom end of the screw rod is rotationally connected with the bottom wall of the mounting groove, the sliding vane is connected with the middle thread of the screw rod in a sliding manner, the sliding vane is in sliding connection with the inner wall of the mounting groove, and the sliding vane is fixedly connected with the side face of the connecting block through a fixing rod to complete the driving of the adsorption component.

Compared with the prior art, the utility model has the beneficial effects that: this microphone support has following benefit:

1. after the chassis is placed to the appointed position, personnel operate the control switch group to regulate and control motor two to operate when needing to fix the microphone, the output shaft of motor two drives the screw rod in the sliding tray and rotates, the gleitbretter on the screw rod upward movement and then drive the connecting block upward movement, the upward movement of connecting block forces the piston in the air duct upward movement, thereby the air duct is connected to the air in the sucking disc and forms negative pressure and accomplish the face absorption of putting of sucking disc to the appointed position, accomplish the function of conversation tube support supporting effect, only need control switch group regulation and control motor two again when needing to remove, the motion of motor two reverse drive screw rod, the gleitbretter downward movement on the screw rod and then drive the connecting block downward movement, the downward movement of connecting block forces the piston in the air duct downward movement, the air pressure that the air duct is connected to the sucking disc resumes thereby accomplish the sucking effect of sucking disc to the ground and disappear, the microphone support can be fixed with putting the face fast, can not take place easily and empty, guarantee the supporting effect of conversation tube support, and can release fast.

2. When the microphone bracket needs to be stretched, personnel can adjust and control the control switch group, the output shaft of the motor I drives the gear to rotate anticlockwise, the gear is meshed with teeth of the sliding groove, the rack plate can be driven to move upwards when the gear rotates to further drive the elongation of the rack plate, the microphone bracket can be stretched, if the microphone bracket needs to be stretched, shrinkage work is achieved, namely, the motor I rotates reversely through adjusting and controlling the control switch group, the output shaft of the motor I drives the gear to rotate clockwise, the gear is meshed with teeth of the sliding groove, the rack plate can be driven to move downwards when the gear rotates to further drive the shrinkage of the rack plate, the shrinkage work of the microphone bracket is completed, the height adjustment of the microphone bracket can be electrically realized, the degree of automation is high, and the adjustment burden of personnel is lightened.

3. When the microphone needs to realize the horizontal locking function, personnel can pull out the swash plate knot downwards, the swash plate knot releases spacing to the swash plate of locking push rod end, receive spring two resilience forces and then make the locking push rod leave the locking round hole of unblanking, personnel can adjust the position of self demand with the microphone this moment, personnel can upwards advance the swash plate after reaching the assigned position, the swash plate of locking push rod end receives the thrust that the swash plate was detained in pushing up locking push rod again in the locking round hole, accomplish the function to horizontal locking, when personnel need realize the dialogue tube direction regulatory function, personnel can pull the knot of pulling and make its inserted sheet leave the locking gear, personnel can debug the position of microphone support this moment, after the microphone support reaches the assigned position, personnel can loosen the knot of pulling, the influence that receives resilience force on this moment is accomplished and is recovered, and then the inserted sheet that drives the knot of pulling is blocked again in the locking gear and accomplish the function of direction regulation, and inclination regulation can be realized fast, and stable locking after the regulation, structural design is reasonable and smart satisfies the abundant regulation demand of microphone support.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the internal cross-sectional structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the present utility model at A;

FIG. 4 is a schematic cross-sectional view of a microphone direction adjustment assembly of the present utility model;

fig. 5 is an enlarged schematic view of the structure of the present utility model at B.

In the figure: the microphone comprises a microphone support, a microphone elastic clamping strip 1, a microphone direction adjusting component 3, a protective cover 31, a pull buckle 32, a spring I, a locking gear 34, a rocker 35, a horizontal locking component 4, a locking round hole 41, a spring II, a sloping plate buckle 43, a locking push rod 44, a microphone direction adjusting chassis 45, a frame plate 5, a frame bracket 6, a motor I61, a gear 62, a tooth 63, a control switch group 7, a chute 8, a support frame 9, a suction component 10, a motor II 101, a sliding sheet 102, a screw 103, an air duct 104, a sucker 105, a connecting block 106, a chassis 11 and a storage battery 12.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present embodiment provides a technical solution: a microphone bracket comprises a chassis 11, a microphone direction adjusting component 3, a horizontal locking component 4, a bracket telescopic component 6 and an adsorption component 10;

chassis 11: the upper end of the frame is provided with a support frame 9, the outer surface of the support frame 9 is provided with a chute 8, and the inner wall of the chute 8 is in sliding connection with a sliding block on the side surface of the frame plate 5;

horizontal locking assembly 4: which is arranged at the upper end of the frame plate 5; the horizontal locking component 4 comprises a locking round hole 41, a second spring 42, a sloping plate buckle 43, a locking push rod 44 and a microphone adjusting direction chassis 45, the microphone adjusting direction chassis 45 is arranged at the upper end of the frame plate 5, the upper end of the microphone adjusting direction chassis 45 is rotationally connected with a rotating shaft, the locking round hole 41 is uniformly arranged on the outer surface of the rotating shaft, the sloping plate buckle 43 is slidingly connected in a vertical sliding groove of the microphone adjusting direction chassis 45, the locking push rod 44 is radially and slidingly connected in a sliding opening at the upper end of the microphone adjusting direction chassis 45, the locking push rod 44 is matched with the locking round hole 41, the upper end of the sloping plate buckle 43 is matched with the sloping plate at the end of the locking push rod 44, the second spring 42 is arranged between the inclined plate at the end of the locking push rod 44 and the inner wall of the sliding port, the second spring 42 is movably sleeved with the rod body of the locking push rod 44, when the microphone needs to realize the horizontal locking function, a person can pull out the inclined plate buckle 43 downwards, the inclined plate buckle 43 releases the limit of the inclined plate at the end of the locking push rod 44, the locking push rod 44 leaves the locking round hole 41 due to the resilience force of the second spring 42, at the moment, the person can adjust the microphone to the required position, when the microphone reaches the designated position, the person can push the inclined plate 43 upwards, the inclined plate at the end of the locking push rod 44 pushes the locking push rod into the locking round hole 41 again due to the thrust of the inclined plate buckle 43, and the horizontal locking function is completed;

microphone direction adjustment assembly 3: the horizontal locking component 4 is arranged at the upper end of the horizontal locking component; the microphone direction adjusting assembly 3 comprises a protecting cover 31, a pull buckle 32, a first spring 33, a locking gear 34 and a rocker 35, wherein the protecting cover 31 is arranged at the upper end of a rotating shaft, the rocker 35 is rotationally connected in a notch of the protecting cover 31 through the rotating shaft, a microphone support 1 is arranged at the upper end of the rocker 35, the locking gear 34 is fixedly sleeved outside the rotating shaft, the pull buckle 32 is slidingly connected in a sliding round opening of the protecting cover 31, the first spring 33 is fixedly connected between the inner wall of the protecting cover 31 and an inserting sheet of the pull buckle 32, the first spring 33 is movably sleeved outside the pull buckle 32, the inserting sheet is inserted with the locking gear 34, when a person needs to realize a dialogue tube direction adjusting function, the person can pull the pull buckle 32 to enable the inserting sheet to leave the locking gear 34, at the moment, the person can debug the position of the microphone support, after the microphone support reaches a designated position, the person can release the pull buckle 32, the first spring 33 on the pull buckle is influenced by resilience force to restore, and the inserting sheet of the pull buckle 32 is driven to be clamped into the locking gear 35 again to finish the function of the opposite direction adjusting;

support telescopic assembly 6: the telescopic bracket is arranged in the chute 8, and the telescopic bracket assembly 6 is respectively matched with the inner wall of the chute 8 and the frame plate 5; the bracket telescopic assembly 6 comprises a first motor 61, a gear 62 and teeth 63, wherein the first motor 61 is arranged on the outer surface of the bracket plate 5, an output shaft of the first motor 61 is rotationally connected with the inner wall of the bracket plate 5, the output shaft of the first motor 61 stretches into the bracket plate 5 and is provided with the gear 62, the teeth 63 which are uniformly distributed are arranged on the inner wall of the chute 8, the teeth 63 are in meshed connection with the gear 62, the input end of the first motor 61 is electrically connected with the input end of the control switch group 7, the output shaft of the first motor 61 drives the gear 62 to rotate anticlockwise, the gear 62 is in meshed connection with the teeth 63 of the chute 8, and the bracket plate 5 can be driven to move upwards when the gear 62 rotates so as to drive the bracket plate 5 to extend, so that the extension work of the microphone bracket is completed;

adsorption assembly 10: the adsorption component 10 is arranged at the lower end of the chassis 11 and is matched with the supporting frame 9; the adsorption component 10 comprises an air duct 104, a sucker 105 and a connecting block 106, the sucker 105 is arranged at the lower end of the chassis 11, an air duct 104 is arranged at an air hole at the upper end of the sucker 105, a piston arranged at the lower end of the connecting block 106 is in sliding connection with the inner wall of the air duct 104, the adsorption component 10 further comprises a motor II 101, a sliding vane 102 and a screw 103, an installation groove is formed in the lower end of the supporting frame 9, a motor II 101 is arranged on the top wall of the installation groove, a screw 103 is arranged at the lower end of an output shaft of the motor II 101, the bottom end of the screw 103 is in rotary connection with the bottom wall of the installation groove, a sliding vane 102 is in sliding connection with the inner wall of the installation groove, the sliding vane 102 is fixedly connected with the side face of the connecting block 106 through a fixed rod, the motor II 101 operates, the output shaft of the motor II 101 drives the screw 103 in the sliding groove to rotate, the sliding vane 102 on the screw 103 moves upwards to drive the connecting block 106 to move upwards, the piston in the connecting block is forced to move upwards, the air in the air duct 104 is connected to the sucker 105 so as to form negative pressure, the face adsorption of the specified position is completed, the function of the conversation support is completed, the motor II is controlled to control the motor 103 to rotate again when the bottom end of the screw 103 is required to be in need to rotate, the air in reverse the direction of the air pump 101, the air in the direction of the air connection of the connecting block 101 is driven to move downwards, the air duct 104 is driven down the air duct 104 to move downwards and the air duct 104 is driven downwards to move down the connecting block 104, and the air-down the air duct 104 is in the direction and the air-down function is driven.

Wherein: the upper end of microphone direction adjustment subassembly 3 is equipped with microphone support 1, and the socket inner wall at microphone support 1 middle part is equipped with evenly distributed's microphone elasticity holding strip 2, inserts the socket at microphone support 1 middle part with the microphone, and through the elasticity rebound centre gripping of microphone elasticity holding strip 2, the conversation tube is realized further fixedly.

Wherein: the control switch group 7 is arranged at the upper end of the outer surface of the supporting frame 9, a storage battery 12 is arranged at the upper end of the supporting frame 9, the input end of the control switch group 7 is electrically connected with the output end of the storage battery 12, and the control switch group 7 regulates and controls the normal operation of the electric appliance.

The working principle of the microphone bracket provided by the utility model is as follows: after the chassis 11 is placed at a designated position, the microphone is inserted into a socket in the middle of the microphone support 1, the microphone is further fixed through the elastic rebound clamping of the microphone elastic clamping strip 2, when the microphone needs to be fixed, a person operates the control switch group 7 to regulate and control the operation of the motor II 101, the output shaft of the motor II 101 drives the screw 103 in the sliding groove to rotate, the sliding vane 102 on the screw 103 moves upwards to drive the connecting block 106 to move upwards, the upward movement of the connecting block forces the piston in the air duct 104 to move upwards, the air duct 104 is connected to the air in the sucking disc 105 to form negative pressure so as to complete the adsorption of the sucking disc on the placement surface at the designated position, the function of supporting the microphone support is completed, if the microphone needs to be moved, the motor II 101 is controlled to reversely rotate by controlling the switch group 7, the sliding vane 102 on the screw 103 moves downwards to drive the connecting block 106 to move downwards, the downward movement of the connecting block forces the piston in the air duct 104 to move downwards, the air pressure in the air duct 104 connected to the sucker 105 is recovered, so that the sucking action of the sucker to the ground is completed, the microphone bracket can be easily lifted at the moment, when the microphone bracket needs to complete the extension work, a person can regulate and control the control switch group 7, the output shaft of the motor I61 drives the gear 62 to rotate anticlockwise, the gear 62 is meshed with the teeth 63 of the chute 8, the gear 62 can drive the frame plate 5 to move upwards when rotating so as to drive the frame plate 5 to extend, the extension work of the microphone bracket is completed, if the microphone bracket needs to shrink, namely, the motor I61 rotates reversely through regulating and controlling the control switch group 7, the output shaft of the motor I61 drives the gear 62 to rotate clockwise, the gear 62 is meshed with the teeth 63 on the chute 8, the gear 62 can drive the frame plate 5 to move downwards and then drive the shrink of frame plate 5 when rotating, make the shrink work of accomplishing the microphone support, when the microphone needs to realize horizontal locking function, personnel can pull out swash plate knot 43 downwards, swash plate knot 43 releases the swash plate spacing to locking push rod 44 end, receive spring two 42 resilience force and then make locking push rod 44 leave locking round hole 41, personnel can adjust the microphone to the position of self demand this moment, personnel can upwards advance swash plate 43 after reaching appointed position, the swash plate of locking push rod 44 end receives the thrust of swash plate knot 43 and pushes up locking push rod in locking round hole 41 again, accomplish the function to horizontal locking, when personnel need realize the function of adjusting in the dialogue barrel direction, personnel can pull the knot 32 makes its inserted sheet leave locking gear 34, personnel can debug the position of microphone support this moment, after the microphone support reaches appointed position, personnel can loosen the knot 32, spring one 33 on the knot receives the influence of inserted sheet and accomplish the recovery, and then drive the function of locking down in locking gear 35 of locking knot 32 again to accomplish the opposite direction regulation.

It should be noted that, the first motor 61 and the second motor 101 disclosed in the above embodiment can be freely configured according to the practical application scenario, and all the 3i k15A-AF are recommended to be used, and the control switch group 7 is provided with control buttons corresponding to the first motor 61 and the second motor 101 one by one and used for controlling the switch thereof.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. A microphone stand, characterized in that: comprises a chassis (11), a microphone direction adjusting component (3), a horizontal locking component (4), a bracket telescopic component (6) and an adsorption component (10);

chassis (11): the upper end of the frame is provided with a support frame (9), the outer surface of the support frame (9) is provided with a chute (8), and the inner wall of the chute (8) is in sliding connection with a sliding block on the side surface of the frame plate (5);

horizontal locking assembly (4): the device is arranged at the upper end of the frame plate (5);

microphone direction adjustment assembly (3): the horizontal locking assembly is arranged at the upper end of the horizontal locking assembly (4);

support flexible subassembly (6): the telescopic bracket is arranged in the sliding chute (8), and the telescopic bracket assembly (6) is respectively matched with the inner wall of the sliding chute (8) and the frame plate (5);

adsorption module (10): the adsorption component (10) is arranged at the lower end of the chassis (11) and is matched with the support frame (9);

wherein: the upper end of microphone direction adjustment subassembly (3) is equipped with microphone support (1), and the socket inner wall at microphone support (1) middle part is equipped with evenly distributed's microphone elasticity holding strip (2).

2. A microphone boom according to claim 1, characterized in that: the intelligent control device is characterized by further comprising a control switch group (7), wherein the control switch group (7) is arranged at the upper end of the outer surface of the supporting frame (9), a storage battery (12) is arranged at the upper end of the supporting frame (9), and the input end of the control switch group (7) is electrically connected with the output end of the storage battery (12).

3. A microphone boom according to claim 1, characterized in that: the horizontal locking assembly (4) comprises a locking round hole (41), a second spring (42), an inclined plate buckle (43), a locking push rod (44) and a microphone adjusting direction chassis (45), the microphone adjusting direction chassis (45) is arranged at the upper end of the frame plate (5), the upper end of the microphone adjusting direction chassis (45) is rotationally connected with a rotating shaft, the locking round hole (41) is uniformly formed in the outer surface of the rotating shaft, the inclined plate buckle (43) is slidably connected in a vertical sliding groove of the microphone adjusting direction chassis (45), the locking push rod (44) is radially and slidably connected in a sliding opening at the upper end of the microphone adjusting direction chassis (45), the locking push rod (44) is mounted in cooperation with the locking round hole (41), the upper end of the inclined plate buckle (43) is mounted in cooperation with an inclined plate at the end of the locking push rod (44), and the second spring (42) is arranged between the inclined plate at the end of the locking push rod (44) and the inner wall of the sliding opening, and the rod body of the locking push rod (44) is movably sleeved.

4. A microphone boom according to claim 3, wherein: microphone direction adjusting part (3) is including safety cover (31), draw knot (32), first spring (33), locking gear (34) and rocker (35), safety cover (31) set up in the upper end of rotation axis, rocker (35) are rotated through the axis of rotation and are connected in the notch of safety cover (31), the upper end of rocker (35) is equipped with microphone support (1), the outside of rotation axis is located to the fixed cover of locking gear (34), draw knot (32) sliding connection in the slip circle mouth of safety cover (31), first spring (33) fixed connection is between the inserted sheet of inner wall and draw knot (32) of safety cover (31), the outside of drawing knot (32) is located to first spring (33) movable sleeve, inserted sheet and locking gear (34) are pegged graft.

5. A microphone boom as defined in claim 2, wherein: the support telescopic assembly (6) comprises a motor I (61), a gear (62) and teeth (63), wherein the motor I (61) is arranged on the outer surface of the frame plate (5), an output shaft of the motor I (61) is rotationally connected with the inner wall of the frame plate (5), the output shaft of the motor I (61) stretches into the frame plate (5) and is provided with the gear (62), the teeth (63) which are uniformly distributed are arranged on the inner wall of the chute (8), the teeth (63) are meshed with the gear (62), and the input end of the motor I (61) is electrically connected with the input end of the control switch group (7).

6. A microphone boom as defined in claim 2, wherein: the adsorption component (10) comprises an air duct (104), a sucker (105) and a connecting block (106), wherein the sucker (105) is arranged at the lower end of the chassis (11), the air hole at the upper end of the sucker (105) is provided with the air duct (104), and a piston arranged at the lower end of the connecting block (106) is in sliding connection with the inner wall of the air duct (104).

7. A microphone boom as defined in claim 6, wherein: the adsorption component (10) further comprises a motor II (101), a sliding vane (102) and a screw rod (103), the lower end of the support frame (9) is provided with a mounting groove, the top wall of the mounting groove is provided with the motor II (101), the lower end of an output shaft of the motor II (101) is provided with the screw rod (103), the bottom end of the screw rod (103) is rotationally connected with the bottom wall of the mounting groove, the middle thread of the screw rod (103) is connected with the sliding vane (102), the sliding vane (102) is in sliding connection with the inner wall of the mounting groove, and the sliding vane (102) is fixedly connected with the side face of the connecting block (106) through a fixing rod.