CN218587296U

CN218587296U - Fixing mechanism of microphone

Info

Publication number: CN218587296U
Application number: CN202222973558.0U
Authority: CN
Inventors: 刘耀平
Original assignee: Zhuhai Jingshi Measurement And Control Technology Co ltd
Current assignee: Zhuhai Jingshi Measurement And Control Technology Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-03-07
Anticipated expiration: 2032-11-09

Abstract

The utility model discloses a fixed establishment of microphone, include: a base; the first supporting rod is arranged on the base; the joint assembly is arranged on the first support rod; the second supporting rod is arranged on the joint component and provided with a plurality of fixing positions distributed along the length direction of the second supporting rod, and the joint component can be detachably fixed with one of the fixing positions; the clamping piece is arranged at one end of the second supporting rod, which is far away from the joint component, and is used for fixing a microphone; the fixing mechanism can be better suitable for different test scenes, and the fixing flexibility of the microphone is improved.

Description

Fixing mechanism of microphone

Technical Field

The utility model relates to an acoustics tests technical field, especially relates to the fixed establishment of microphone.

Background

The electronic product is an essential product for the development of the modern society, and brings great convenience to the life of people. Before the electronic product leaves a factory, performance tests are required, wherein the performance tests comprise acoustic performance tests, and particularly for consumer electronic products such as mobile phones, computers, earphones and the like, the acoustic performance of the consumer electronic products is an important part of the quality of the products; in the acoustic testing equipment, a microphone is used as a key part in the testing equipment, and the positioning mode and the fixing mode of the microphone must be accurate and reliable, so that the data output stability of the acoustic testing equipment and the data output consistency of a plurality of acoustic testing equipment can be ensured.

In the prior art, the fixing mechanism of the microphone has a simpler structure and less adjustment freedom; the appearance design of the acoustic product and the layout of the loudspeakers are more and more complex and various, and the specific characteristics are that the installation positions of the loudspeakers in the acoustic product are complex and variable, and a space angle exists between the installation positions and the reference direction of the product; therefore, the fixing mechanism of the existing microphone is more and more difficult to adapt to the current complex and various testing environments.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a fixed establishment of microphone, the test scene that is applicable to the difference that can be better improves the fixed flexibility of microphone.

The utility model discloses a fixed establishment of microphone, include: a base; the first supporting rod is arranged on the base; the joint assembly is arranged on the first support rod; the second supporting rod is arranged on the joint component, the second supporting rod is provided with a plurality of fixing positions distributed along the length direction of the second supporting rod, and the joint component can be detachably fixed with one of the fixing positions; the clamping piece is arranged at one end, far away from the joint component, of the second supporting rod and used for fixing the microphone.

According to some embodiments of the utility model, the joint subassembly is provided with the second clamping part, and the second bracing piece passes the second clamping part, and the second bracing piece can be held to the second clamping part.

According to some embodiments of the present invention, the fixing mechanism of the microphone further comprises a fastening screw disposed on the second clamping portion, the fastening screw being used for adjusting the clamping degree of the second clamping portion.

According to the utility model discloses a some embodiments, the second bracing piece is the round bar, and the second clamping part runs through to be provided with dodges the hole, and the second bracing piece passes and dodges the hole setting.

According to some embodiments of the utility model, the fixed establishment of microphone still includes unable adjustment base, and the base setting has seted up fixed slotted hole on unable adjustment base, and fixed slotted hole is suitable for fastening screw to pass.

According to some embodiments of the utility model, the joint subassembly is provided with first clamping part, and first supporting rod passes first clamping part, and first supporting rod can be held to first clamping part.

According to some embodiments of the utility model, the fixed establishment of microphone still includes the fastening screw who sets up on first clamping part, and fastening screw is used for adjusting the tight degree of clamp of first clamping part.

According to some embodiments of the utility model, first bracing piece is the round bar, and first clamping part runs through to be provided with dodges the hole, and first bracing piece passes dodges the hole setting.

According to the utility model discloses a some embodiments, the fixed establishment of microphone still includes first connecting piece, and first connecting piece can be dismantled and connect in the one end that the joint subassembly was kept away from to the second bracing piece, and the holder rotates with first connecting piece to be connected.

According to some embodiments of the invention, the first connecting member and the clamping member are rotationally connected by a fastening screw.

According to some embodiments of the utility model, the one end that the joint subassembly was kept away from to the second bracing piece is provided with threaded connection portion, first connecting piece and threaded connection portion screw-thread fit.

Use the fixed establishment of above-mentioned microphone, when using, can fix the base on acoustics test equipment, adjust the position of second bracing piece, make joint subassembly can be fixed with one of them fixed position on the second bracing piece, adjust the position of holder for joint subassembly with this, make the microphone can keep a suitable interval with the part that awaits measuring when placing on the holder subassembly, for the mode that horizontal bracing piece rotates with the joint among the prior art to be connected, under the prerequisite that need not to adjust the base position, can directly adjust the interval between microphone and the object that awaits measuring, the fixed flexibility of microphone has effectively been improved, the better different test scenes of adaptation through the regulation of interval.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an isometric view of a microphone securing mechanism in an embodiment of the invention;

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

FIG. 3 is a top view of the securing mechanism of the microphone of FIG. 1;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

fig. 5 is a sectional view taken along line C-C in fig. 3.

The above figures contain the following reference numerals.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the directions of up, down, front, rear, left, right, etc., is the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; as shown in fig. 1, in the present embodiment, the azimuth refers to the azimuth in the positive Z-axis direction, the azimuth before refers to the positive X-axis direction, and the azimuth right refers to the positive Y-axis direction.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the present number, and the terms greater than, less than, within, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 5, the fixing mechanism of the microphone of the present embodiment includes: a base 120; a first support bar 210 disposed on the base 120; a joint assembly 220 provided on the first support bar 210; a second support bar 230 disposed on the joint assembly 220, the second support bar 230 having a plurality of fixing positions distributed along the length direction of the second support bar 230, the joint assembly 220 being detachably fixed to one of the fixing positions; and a clamping member 250 disposed at an end of the second supporting rod 230 away from the joint assembly 220, wherein the clamping member 250 is used for fixing the microphone 300.

By applying the fixing mechanism of the microphone, when the fixing mechanism is used, the base 120 can be fixed on an acoustic testing device, the position of the second supporting rod 230 is adjusted, the joint assembly 220 can be fixed with one of the fixing positions on the second supporting rod 230, so that the position of the clamping piece 250 relative to the joint assembly 220 is adjusted, a proper distance can be kept between the microphone 300 and a part to be tested when the microphone is placed on the clamping assembly, compared with the mode that the transverse supporting rod is rotationally connected with the joint in the prior art, the distance between the microphone 300 and the object to be tested can be directly adjusted on the premise of not adjusting the position of the base 120, the fixing flexibility of the microphone 300 is effectively improved, and different testing scenes can be better adapted through adjustment of the distance.

It is understood that the second support bar 230 can be provided with a plurality of fixing positions along the length direction thereof in various manners, for example, fixing holes are formed on the second support bar 230 along the length direction for fixing the joint assembly 220; or a plurality of clamping positions are arranged on the second supporting rod 230 for clamping the buckles on the joint component 220.

In some embodiments, in order to provide the position adjustment capability of the clamping member 250 at the end of the second supporting rod 230 with multiple directions, the length directions of the first supporting rod 210 and the second supporting rod 230 are not parallel; specifically, the first support bar 210 extends in the up-down direction, the second support bar 230 extends in the left-right direction, and the length directions of the first support bar 210 and the second support bar 230 are perpendicular to each other; the joint assembly 220 is fixed at different positions on the second support bar 230, so that the position of the clamping member 250 in the length direction of the second support bar 230 can be adjusted.

It should be noted that the fixing mechanism of the microphone of the present embodiment is for fixing the position of the microphone 300, and does not mean that the microphone 300 itself is a part of the fixing mechanism.

As shown in fig. 3 to 5, the joint assembly 220 is provided with a second clamping portion, through which the second supporting rod 230 passes, and which can clamp the second supporting rod 230; when the position adjustment of the clamping member 250 is performed, the second supporting bar 230 may be moved to a proper position such that the second clamping portion clamps the second supporting bar 230; at this time, on the premise that the components do not interfere with each other, the second clamping portion can clamp most of the position of the second supporting rod 230 along the length direction, so that the position adjustment range of the clamping member 250 in the length direction of the second supporting rod 230 is larger; compared to the prior art in which the second support rod 230 is used for the rotational connection of the joint assembly 220 and the telescopic rod is used as the second support rod 230, since the telescopic rod has a minimum length, the adjustment range of the clamping member 250 can only be between the minimum length and the maximum length of the telescopic rod; the clamping member 250 may have a larger position adjustment range by clamping the second supporting rod 230 with the second clamping portion.

As shown in fig. 5, the fixing mechanism further includes a fastening screw 110 provided on the second clamping portion, the fastening screw 110 being used to adjust the clamping degree of the second clamping portion; specifically, as shown in fig. 5, as the fastening screw 110 is tightened, the closer the two sides of the second clamping portion are, the stronger the clamping force to the second support bar 230 is; therefore, when the position of the clamping member 250 needs to be adjusted, the fastening screw 110 on the second clamping portion can be loosened, the position of the second supporting rod 230 in the second clamping portion is adjusted, the fastening screw 110 is tightened after the position adjustment is completed, the position of the second supporting rod 230 relative to the second clamping portion is ensured to be stable, and the microphone 300 is prevented from being displaced during testing.

As shown in fig. 1 and 3, the holding member 250 is provided with an elastic holding portion, and the holding portion and the microphone 300 are fixed together by elastic clamping.

As shown in fig. 1, the second support rod 230 is a round rod, the second clamping portion is provided with an avoiding hole through which the second support rod 230 passes; specifically, the second support bar 230 is matched with the avoiding hole, and since the second support bar 230 is a round bar, the second support bar 230 can rotate around the circumference thereof in the avoiding hole; when the rotation position of the microphone 300 around the Y axis needs to be adjusted, the fastening screw 110 on the second clamping portion may be loosened, then the second supporting rod 230 may be rotated to a proper position, and then the fastening screw 110 on the second clamping portion may be tightened.

As shown in fig. 1 and fig. 2, the fixing mechanism further includes a fixing base 100, the base 120 is disposed on the fixing base 100, and a fixing slot is formed in the fixing base 100, and the fixing slot is suitable for the fastening screw 110 to pass through; wherein, the fixed slot is a straight slot extending along the front-back direction, and the fastening screw 110 passes through the fixed slot and is fixed with the test equipment; when the front and back positions of the microphone 300 need to be adjusted, the fastening screws 110 on the fixing base 100 are loosened, then the front and back positions of the fixing base 100 relative to the testing equipment are adjusted, and then the fixing screws are screwed down, so that the testing equipment does not need to be adjusted.

Specifically, as shown in fig. 2 and 5, two fixing slots are formed in the fixing base 100 and respectively located on the left side and the right side of the fixing base 100, and fastening screws 110 for fixing with the testing device are respectively disposed in the two fixing slots; the base 120 is also fixed to the fixing base 100 by two fastening screws 110.

As shown in fig. 5, the lower end of the first supporting rod 210 is inserted into the fixing base 100, and a nut is screwed to the lower end of the first supporting rod 210, and the nut is used for fixing the first supporting rod 210 to the fixing base 100, so that the first supporting rod 210 is detachably connected to the base 120.

As shown in fig. 1, the joint assembly 220 is provided with a first clamping portion through which the first support rod 210 passes, the first clamping portion being capable of clamping the first support rod 210; at this time, the up-down positions of the joint assembly 220, the second supporting rod 230 and the clamping member 250 can be adjusted by controlling the first clamping portion to clamp at different positions of the first supporting rod 210, so as to facilitate the adjustment of the up-down position of the microphone 300.

As shown in fig. 1, the first supporting rod 210 is a round rod, the first clamping portion is provided with an avoiding hole through which the first supporting rod 210 passes; the two sides of the first clamping part are also connected through a fastening screw 110, and the tighter the fastening screw 110 is screwed, the stronger the clamping force of the first clamping part is; in adjusting the position of the microphone 300, the fastening screw 110 of the first clamping portion may be loosened, and then the position of the joint assembly 220 may be rotated with respect to the first support rod 210, so that the second support rod 230 and the clamping member 250 rotate together therewith, and then the fastening screw 110 of the first clamping portion may be tightened, thereby achieving 360 ° adjustment of the rotational position of the microphone 300 about the Z-axis.

As shown in fig. 1 and 4, the fixing mechanism further includes a first connecting member 240, the first connecting member 240 is detachably connected to an end of the second supporting rod 230 away from the joint assembly 220, and the clamping member 250 is rotatably connected to the first connecting member 240; the first connecting member 240 can be connected to the second supporting rod 230 in various ways, for example, the first connecting member 240 is fixed to one end of the second supporting rod 230 by means of a screw-thread fit, or the first connecting member 240 is fixed to the second supporting rod 230 by means of a screw or a pin, etc.

In the embodiment, as shown in fig. 4, a threaded connection part is disposed at an end of the second support rod 230 away from the joint assembly 220, and the first connection member 240 is in threaded engagement with the threaded connection part.

As shown in fig. 1, when the pitch angle of the microphone 300 needs to be adjusted, the holder 250 may be rotated with respect to the first connector 240; specifically, the first connecting member 240 and the clamping member 250 are rotatably connected by the fastening screw 110; when adjustment is required, the set screw 110 can be loosened, and then the set screw 110 can be tightened after rotating the clamp 250 into position, so that the clamp 250 maintains a fixed rotational angle with respect to the first connector 240.

The working flow of applying the fixing mechanism of the embodiment is as follows: first go into the centre gripping piece 250 with microphone 300 card in the middle of, then adjust the position of parts such as unable adjustment base 100, joint subassembly 220, second bracing piece 230 and centre gripping piece 250, adopt tools such as torque wrench to screw up everywhere fastening screw 110 one by one after finishing adjusting for whole fixed establishment is in stable state, thereby realizes adjusting to each preset position with microphone 300 accurate freedom.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A microphone securing mechanism, comprising:

a base (120);

a first support bar (210) disposed on the base (120);

a joint assembly (220) disposed on the first support bar (210);

a second support bar (230) disposed on the joint assembly (220), the second support bar (230) having a plurality of fastening locations distributed along a length of the second support bar (230), the joint assembly (220) being detachably fastened to one of the fastening locations;

the clamping piece (250) is arranged at one end, far away from the joint component (220), of the second supporting rod (230), and the clamping piece (250) is used for fixing a microphone (300).

2. The microphone fixing mechanism according to claim 1, wherein the joint assembly (220) is provided with a second clamping portion through which the second support rod (230) passes, the second clamping portion being capable of clamping the second support rod (230).

3. The fixing mechanism of the microphone according to claim 2, further comprising a fastening screw (110) provided on the second clamping portion, the fastening screw (110) being used to adjust a degree of clamping of the second clamping portion.

4. The microphone fixing mechanism according to claim 3, wherein the second support rod (230) is a round rod, an avoiding hole is formed through the second clamping portion, and the second support rod (230) passes through the avoiding hole.

5. The microphone fixing mechanism of claim 1, further comprising a fixing base (100), wherein the base (120) is disposed on the fixing base (100), and the fixing base (100) is provided with a fixing slot hole, and the fixing slot hole is suitable for a fastening screw (110) to pass through.

6. The microphone fixing mechanism according to claim 1, wherein the joint assembly (220) is provided with a first clamping portion through which the first support rod (210) passes, the first clamping portion being capable of clamping the first support rod (210).

7. The fixing mechanism of the microphone according to claim 6, further comprising a fastening screw (110) provided on the first clamping portion, the fastening screw (110) being used to adjust a degree of clamping of the first clamping portion.

8. The fixing mechanism of a microphone according to claim 7, wherein the first supporting rod (210) is a round rod, and an avoiding hole is formed through the first clamping portion, and the first supporting rod (210) is disposed through the avoiding hole.

9. The microphone fixing mechanism according to claim 1, further comprising a first connector (240), wherein the first connector (240) is detachably connected to an end of the second support rod (230) away from the joint assembly (220), and the clamping member (250) is rotatably connected to the first connector (240).

10. The microphone fixing mechanism according to claim 9, wherein the first connecting member (240) and the clamping member (250) are rotatably connected by a fastening screw (110).

11. The microphone fixing mechanism according to claim 10, wherein a threaded connection portion is provided at an end of the second support rod (230) away from the joint assembly (220), and the first connecting member (240) is threadedly engaged with the threaded connection portion.