CN213847016U

CN213847016U - Fixture for microphone calibration

Info

Publication number: CN213847016U
Application number: CN202022701262.4U
Authority: CN
Inventors: 陈东昌
Original assignee: Shenzhen Runfuxiang Electronics Co ltd
Current assignee: Shenzhen Runfuxiang Electronics Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-07-30
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses a clamp for calibrating a microphone, relating to the technical field of microphones; the clamp for calibrating the microphone comprises a bottom plate, wherein a support column is movably connected to the bottom plate, a connecting assembly used for connecting clamping assemblies is arranged on the support column, the number of the clamping assemblies is two, and the two clamping assemblies respectively correspond to a microphone to be calibrated and a microphone to be calibrated; the bottom plate is also provided with an adjusting assembly, the clamping assembly can clamp the microphone and can rotate at the same time, and the calibration work of workers is facilitated; when in use, the device is convenient to install and simple to operate, effectively improves the clamping effect, and has very good functionality and adjusting capability; the supporting columns are driven to move through the adjusting assembly, and the distance between the supporting columns is convenient to adjust.

Description

Fixture for microphone calibration

Technical Field

The utility model relates to a microphone technical field specifically is a anchor clamps are used in microphone calibration.

Background

"microphone" is generally referred to as "microphone". A microphone is a transducer that converts sound into an electronic signal. It has many types, such as moving coil type, capacitor type, electret and silicon micro-microphone. Most microphones are electret condenser microphones which operate on the principle of using a diaphragm of polymeric material with permanent charge isolation. Calibration of the microphones corrects for phase and sensitivity mismatches due to inherent differences in the microphones.

Application publication number CN110166921A discloses a clamp for microphone calibration, which comprises a bracket, a rotating mechanism and a locking and clamping mechanism for mounting a microphone; the bracket is used for supporting the rotating mechanism and the sound production component; the rotating mechanism is used for supporting the locking and clamping mechanism and driving the locking and clamping mechanism to rotate; the locking and clamping mechanism is used for locking and clamping the microphone, and the clamp realizes the angle adjustment effect on the microphone, but has a complex structure and high cost, so the applicability is poor, and the adjustment capability in the adjustment process is also poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a microphone is anchor clamps for calibration and is solved above-mentioned problem.

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

a clamp for calibrating a microphone comprises a bottom plate, wherein a support column is movably connected to the bottom plate, a connecting assembly used for connecting clamping assemblies is arranged on the support column, the number of the clamping assemblies is two, and the two clamping assemblies respectively correspond to a microphone to be calibrated and a microphone to be calibrated; and the bottom plate is also provided with an adjusting component.

In one alternative: coupling assembling includes the first slider of sliding connection on the support column, and first slider passes through bolt mounting and support column fixed connection, and first slider one side is fixed with the fixed block, and the fixed block rotates with the one end of connecting axle to be connected, and the other end of connecting axle is connected with the second grip block among the centre gripping subassembly, and the second grip block passes through second guide bar and first grip block swing joint.

In one alternative: the connecting shaft is connected with a second sliding block in a sliding mode, limiting plates are fixed to two ends of the second sliding block, the limiting plates are connected with insertion rods fixed to the outer connecting plate in an inserting mode, the outer connecting plate is fixed to the fixing block, and the second sliding block is connected with the fixing block through a first spring.

In one alternative: the clamping assembly further comprises a fixed base plate fixedly arranged on the first clamping plate and a movable base plate movably arranged on the second clamping plate, the movable base plate is hinged to one end of the first driving shaft, the other end of the first driving shaft is fixedly connected with the first adjusting block, and the first driving shaft is in threaded connection with the second clamping plate.

In one alternative: the clamping assembly further comprises a fixing box fixed on the first clamping plate and a stop block fixed on the second clamping plate, a first connecting rod is fixed on the stop block, the first connecting rod penetrates through the fixing box to be fixedly connected with a connecting block in the fixing box, the connecting block is slidably connected with a third guide rod arranged in the fixing box, and the connecting block is connected with the fixing box through a second spring.

In one alternative: the adjusting component comprises a mounting seat fixed on the bottom plate, a threaded rod is arranged on the mounting seat in a rotating mode, the mounting seat is fixedly connected with a second driving shaft through a bevel gear set, a second adjusting block is fixed on the second driving shaft, a moving block is connected to the threaded rod in a threaded mode, a first connecting seat is fixed on the moving block and hinged to one end of a second connecting rod, and the other end of the second connecting rod is hinged to a second connecting seat fixed on the supporting column.

In one alternative: the support column is connected with a first guide rod in the cavity in a sliding mode, and the cavity is arranged on the bottom plate.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the clamping assembly is arranged, so that the clamping effect on the microphone can be achieved, and meanwhile, the rotation can be carried out, and the calibration work of workers is facilitated; when in use, the device is convenient to install and simple to operate, effectively improves the clamping effect, and has very good functionality and adjusting capability; the supporting columns are driven to move through the adjusting assembly, and the distance between the supporting columns is convenient to adjust.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the connection between the middle fixing block and the outer connection plate of the present invention.

Fig. 3 is a schematic view illustrating the connection between the first clamping plate and the second clamping plate of the present invention.

Fig. 4 is a schematic view of the connection between the middle fixing box and the stopper of the present invention.

Notations for reference numerals: 01-bottom plate, 02-supporting column, 03-connecting assembly, 04-clamping assembly, 05-adjusting assembly, 21-chamber, 22-first guide rod, 31-first sliding block, 32-bolt fixing member, 33-fixing block, 34-external connecting plate, 35-inserting rod, 36-connecting shaft, 37-second sliding block, 38-limiting plate, 39-first spring, 41-first clamping plate, 42-second clamping plate, 43-second guide rod, 44-movable backing plate, 45-fixed backing plate, 46-first driving shaft, 47-first adjusting block, 48-fixed box, 49-stop block, 410-first connecting rod, 411-connecting block, 412-third guide rod, 413-second spring, 51-mounting seat, 52-threaded rod, 53-moving block, 54-bevel gear set, 55-second driving shaft, 56-second adjusting block, 57-first connecting seat, 58-second connecting rod and 59-second connecting seat.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the drawings or description, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practical applications. The embodiments of the present invention are provided only for illustration, and not for limiting the scope of the present invention. Any obvious and obvious modifications or alterations to the present invention can be made without departing from the spirit and scope of the present invention.

Example 1

Please refer to fig. 1-4, in the embodiment of the utility model, an anchor clamps are used in microphone calibration, including bottom plate 01, swing joint has support column 02 on the bottom plate 01, be equipped with the coupling assembling 03 who is used for connecting clamping assembly 04 on the support column 02, can be connected with clamping assembly 04 through coupling assembling 03, clamping assembly 04's quantity is two, two clamping assembly 04 correspond respectively and wait to calibrate microphone and calibration microphone, two clamping assembly 04's structure is the same, only the different microphone of centre gripping, and then make things convenient for the calibration of follow-up microphone, and is very simple.

Further, the connecting assembly 03 comprises a first sliding block 31 connected to the supporting column 02 in a sliding manner, the first sliding block 31 is fixedly connected with the supporting column 02 through a bolt fixing member 32, the first sliding block 31 can be fixed to the supporting column 02 through the bolt fixing member 32, the height of the first sliding block 31 can be conveniently adjusted according to needs, and the connecting assembly is very simple; the fixed block 33 is fixed on one side of the first sliding block 31, the fixed block 33 is rotatably connected with one end of the connecting shaft 36, the other end of the connecting shaft 36 is connected with the second clamping plate 42 in the clamping assembly 04, the second clamping plate 42 is movably connected with the first clamping plate 41 through the second guide rod 43, clamping is further facilitated, a very good connecting effect is achieved through the connecting shaft 36, the connecting shaft 36 can rotate, the clamping assembly 04 can be driven to rotate when the connecting shaft 36 rotates, the angle of the clamping assembly 04 is further adjusted, and finally calibration work of the microphone is facilitated.

Furthermore, a second slider 37 is connected to the connecting shaft 36 in a sliding manner, limiting plates 38 are fixed to two ends of the second slider 37, the limiting plates 38 are inserted into the insertion rods 35 fixed to the outer connecting plate 34, the outer connecting plate 34 is fixed to the fixing block 33, and after the insertion rods 35 are inserted into the limiting plates 38, the connecting shaft 36 cannot rotate, the clamping assembly 04 is limited to the current angle, so that the microphone is conveniently calibrated, and the microphone is very simple and practical; the second sliding block 37 is connected with the fixed block 33 through a first spring 39, so that the limiting effect is achieved, and the insertion rod 35 and the limiting plate 38 can be conveniently inserted.

Furthermore, the clamping assembly 04 further comprises a fixed base plate 45 fixedly arranged on the first clamping plate 41 and a movable base plate 44 movably arranged on the second clamping plate 42, the clamping effect on the microphone can be improved conveniently by combining the movable base plate 44 and the fixed base plate 45, and the movable base plate 44 can move in the second clamping plate 42, so that the clamping effect on the microphone is improved, and the clamping assembly has very good practicability; the movable base plate 44 is hinged to one end of a first driving shaft 46, the other end of the first driving shaft 46 is fixedly connected with a first adjusting block 47, the first driving shaft 46 is in threaded connection with the second clamping plate 42, the first driving shaft 46 can be driven to rotate when the first adjusting block 47 rotates, and then the movable base plate 44 is driven to move in the second clamping plate 42.

Further, the clamping assembly 04 further comprises a fixing box 48 fixed on the first clamping plate 41 and a stop block 49 fixed on the second clamping plate 42, a first connecting rod 410 is fixed on the stop block 49, the first connecting rod 410 penetrates through the fixing box 48 and a connecting block 411 in the fixing box 48, the connecting block 411 is slidably connected with a third guide rod 412 arranged in the fixing box 48, and therefore the stability of the connecting block 411 in the moving process is improved, and the connecting block 411 is connected with the fixing box 48 through a second spring 413, and therefore the microphone is conveniently clamped.

The clamping assembly 04 can clamp the microphone, and can rotate at the same time, so that the calibration work of workers is facilitated; when in use, the clamping device is convenient to install and simple to operate, effectively improves the clamping effect, and has very good functionality and adjusting capability.

Example 2

The bottom plate 01 is also provided with an adjusting component 05, and the adjusting component 05 drives the supporting column 02 to move; the adjusting assembly 05 comprises an installation seat 51 fixed on the bottom plate 01, a threaded rod 52 is rotatably arranged on the installation seat 51, namely the threaded rod 52 can rotate on the installation seat 51, the installation seat 51 is fixedly connected with a second driving shaft 55 through a bevel gear set 54, a second adjusting block 56 is fixed on the second driving shaft 55, and when the second adjusting block 56 is rotated, the threaded rod 52 can be driven to rotate; the threaded rod 52 is connected with a moving block 53 through threads, the moving block 53 can be driven to move in the horizontal direction when the threaded rod 52 rotates, a first connecting seat 57 is fixed on the moving block 53, the first connecting seat 57 is hinged to one end of a second connecting rod 58, the other end of the second connecting rod 58 is hinged to a second connecting seat 59 fixed on the supporting column 02, and the supporting column 02 can be driven to move in the horizontal direction when the moving block 53 moves, so that the device is very simple.

Further, the support column 02 is connected with the first guide rod 22 in the chamber 21 in a sliding manner, the chamber 21 is arranged on the bottom plate 01, and the support column 02 can be driven to move in the horizontal direction by arranging the first guide rod 22, so that the support column has very good practicability.

The utility model discloses a theory of operation is: the microphone to be calibrated and the calibration microphone are mounted on the clamping component 04, the height and the angle of the clamping component 04 are adjusted through the connecting component 03, and then the adjusting component 05 drives the supporting column 02 to move in the horizontal direction to adjust the positions of the two microphones.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. The clamp for calibrating the microphone comprises a bottom plate (01) and is characterized in that a supporting column (02) is movably connected to the bottom plate (01), connecting assemblies (03) used for connecting clamping assemblies (04) are arranged on the supporting column (02), the number of the clamping assemblies (04) is two, and the two clamping assemblies (04) correspond to the microphone to be calibrated and the microphone to be calibrated respectively; and the bottom plate (01) is also provided with an adjusting component (05).

2. The microphone calibration jig as claimed in claim 1, wherein the connection assembly (03) includes a first slider (31) slidably connected to the support column (02), the first slider (31) is fixedly connected to the support column (02) through a bolt fastener (32), a fixing block (33) is fixed to one side of the first slider (31), the fixing block (33) is rotatably connected to one end of a connection shaft (36), the other end of the connection shaft (36) is connected to a second clamping plate (42) of the clamping assembly (04), and the second clamping plate (42) is movably connected to the first clamping plate (41) through a second guide rod (43).

3. The microphone calibration jig as claimed in claim 2, wherein the connecting shaft (36) is slidably connected with a second slider (37), two ends of the second slider (37) are fixed with a limiting plate (38), the limiting plate (38) is inserted into an inserting rod (35) fixed on an external connection plate (34), the external connection plate (34) is fixed on the fixed block (33), and the second slider (37) is connected with the fixed block (33) through a first spring (39).

4. The microphone calibration jig as claimed in claim 1, wherein the clamping assembly (04) further comprises a fixed pad (45) fixedly disposed on the first clamping plate (41) and a movable pad (44) movably disposed on the second clamping plate (42), the movable pad (44) is hinged to one end of a first driving shaft (46), the other end of the first driving shaft (46) is fixedly connected to the first adjusting block (47), and the first driving shaft (46) is threadedly connected to the second clamping plate (42).

5. The microphone calibration jig as claimed in claim 4, wherein the clamping assembly (04) further includes a fixing box (48) fixed on the first clamping plate (41) and a stopper (49) fixed on the second clamping plate (42), a first connecting rod (410) is fixed on the stopper (49), the first connecting rod (410) passes through the fixing box (48) and is fixedly connected with a connecting block (411) in the fixing box (48), the connecting block (411) is slidably connected with a third guide rod (412) arranged in the fixing box (48), and the connecting block (411) is connected with the fixing box (48) through a second spring (413).

6. The clamp for calibrating the microphone according to claim 1, wherein the adjusting assembly (05) comprises a mounting seat (51) fixed on the bottom plate (01), a threaded rod (52) is rotatably arranged on the mounting seat (51), the mounting seat (51) is fixedly connected with a second driving shaft (55) through a bevel gear set (54), a second adjusting block (56) is fixed on the second driving shaft (55), a moving block (53) is in threaded connection with the threaded rod (52), a first connecting seat (57) is fixed on the moving block (53), the first connecting seat (57) is hinged to one end of a second connecting rod (58), and the other end of the second connecting rod (58) is hinged to a second connecting seat (59) fixed on the supporting column (02).

7. Microphone calibration jig according to claim 6, characterized in that the support column (02) is slidably connected to a first guide bar (22) in a cavity (21), the cavity (21) being provided on the base plate (01).