A multi-microphone adjustable fixture

Abstract

The utility model relates to a fixing device especially a multi -microphone adjustable fixing device, including support frame body, the support frame body includes main rod body, the lower extreme of main rod body is provided with adjustable triangle support spare, rotation adjusting spare, rotation adjusting spare sets up in the end of support frame body, main branch arm spare, main branch arm spare is butt -jointed with rotation adjusting spare, and main branch arm spare carries out angle regulation under the action of rotation adjusting spare, the utility model overcomes the defect that the space occupies big, the deployment is complicated and the stability is poor brought by using multiple independent support, utilizes a firm support frame body and the deployable triangle support structure, has provided a unified, anti -interference rigid base, has guaranteed the stability of overall structure in the adjustment and use process, has fundamentally avoided the problem that the whole microphone array layout failure is led to because of individual branch arm movement.

Description

Technical Field

[0001] This utility model relates to a fixing device, specifically a multi-microphone adjustable fixing device. Background Technology

[0002] In acoustic measurement, speech recognition, recording engineering, and various acoustic experimental studies, it is often necessary to use multiple microphones simultaneously to acquire sound signals. In order to obtain accurate and reliable sound field information or speech data, the relative position, angle, and height of these microphones in space are often subject to strict requirements.

[0003] The common practice is to use multiple independent microphone stands, or to use temporary methods such as tape or clamps to fix the microphones in a preset position. Using multiple independent stands not only takes up a lot of space and is cumbersome to deploy, but also makes it difficult to accurately ensure the relative geometric relationship between the microphones, resulting in poor stability. The overall layout can easily fail due to the movement of individual stands. On the other hand, temporary fixing methods lack flexibility and repeatability, and cannot make fine angle and height adjustments, making it difficult to meet the diverse needs of microphone array configurations in different experimental scenarios.

[0004] Therefore, a multi-microphone adjustable mounting device is needed to improve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide an adjustable fixing device for multiple microphones to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] An adjustable multi-microphone mounting device includes:

[0008] A support frame, the support frame including a main rod, the lower end of the main rod being provided with an adjustable triangular support;

[0009] A rotary adjustment component, wherein the rotary adjustment component is disposed at the end of the support frame;

[0010] The main support arm is connected to the rotary adjustment component, and the angle of the main support arm is adjusted under the action of the rotary adjustment component.

[0011] Several auxiliary support arms are provided, and the auxiliary support arms are detachably installed at the end of the main support arm. Each auxiliary support arm is provided with a clamp at its end, and the microphone is fixedly installed by the clamp.

[0012] As a preferred embodiment of this utility model, the rotating adjustment component includes a ball head a fixedly connected to the top of the main rod body, a ball head kit a sleeved on the outer side of the ball head a, a fastening bolt a threadedly connected to the side of the ball head kit a, and a bending rod fixedly connected to the upper end of the ball head kit a.

[0013] As a preferred embodiment of this utility model, the main support arm includes rod a and rod b, with a connecting column fixedly connected to the middle of rod a, and rod b being rotatably connected to the connecting column.

[0014] As a preferred embodiment of this utility model, the secondary support arm includes a secondary connecting arm, the lower end of which is fixedly connected to a ball head assembly b, a ball head b is provided inside the ball head assembly b, the ball head b is threadedly connected to the end of the rod a or the rod b, and an adjusting bolt is provided on the side of the ball head assembly b.

[0015] As a preferred embodiment of this utility model, the clamping member includes a clamping ring, a stud is provided on one side of the clamping ring, the clamping ring is detachably threaded to the auxiliary connecting arm through the stud, and a fastening bolt b is provided through the other side of the clamping ring.

[0016] As a preferred embodiment of this utility model, the triangular support includes a sleeve a slidably sleeved on the outside of the main rod body. A connector is fixedly connected to the outside of the sleeve a, and three hinge seats are provided on the outside of the connector. Each hinge seat has a support rod hinged inside. The bottom ends of the three support rods are supported by a hinged support member at the lower end of the main rod body.

[0017] As a preferred embodiment of this utility model, the hinged support includes a sleeve b disposed on the outside of the main rod body, a plurality of hinge shafts disposed on the outside of the sleeve b, a hinge protrusion disposed on the inner side of the lower end of the support rod, and a hinge rod hingedly connected between adjacent hinge protrusions and hinge shafts.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] 1. This utility model overcomes the defects of large space occupation, complicated deployment and poor stability caused by using multiple independent supports. It provides a unified and interference-resistant rigid foundation by using a stable support frame and an expandable triangular support structure, which ensures the stability of the overall structure during adjustment and use, and fundamentally avoids the problem of the entire microphone array layout failing due to the movement of individual support arms.

[0020] 2. This utility model has a multi-level, multi-degree-of-freedom fine adjustment mechanism. Through the rotating adjustment component, the rotatable main support arm, and the auxiliary support arm with universal adjustment function at the end, it realizes the independent, flexible and precise adjustment of the height, extension distance and pointing angle of each microphone in space, which improves the height adaptability to different experimental scenarios. Furthermore, the reliable locking mechanism can ensure that the position is fixed after each adjustment, which meets the strict requirements of microphone array configuration diversity and repeatability in scientific research and engineering applications. Attached Figure Description

[0021] Figure 1 This is a first-view perspective perspective view of the present invention;

[0022] Figure 2 This is a second-view perspective perspective view of the present invention;

[0023] Figure 3 This utility model Figure 2 Enlarged view of point A in the middle.

[0024] In the diagram: Main rod 1, rod a2, rod b3, connecting column 4, bending rod 5, secondary connecting arm 6, clamping ring 7, connector 8, sleeve a9, hinge seat 10, hinge end 11, support rod 12, hinge protrusion 13, sleeve b14, hinge rod 15, hinge shaft 16, ball head assembly a17, ball head a18, fastening bolt a19, fastening bolt b20. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0026] To facilitate understanding of this utility model, a more comprehensive description of it will be provided below with reference to relevant embodiments. Several embodiments of this utility model are given. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this utility model will be more thorough and complete.

[0027] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0029] Please see Figure 1-3 This utility model provides a technical solution:

[0030] For an example, please refer to... Figure 1 , 2 3. A multi-microphone adjustable fixing device, comprising a support frame, a rotating adjustment component, a main support arm, and several auxiliary support arms.

[0031] The support frame serves as the foundation of the entire device and mainly includes a vertically arranged main rod 1. An adjustable triangular support is provided at the lower end of the main rod 1 to provide stable support. The triangular support includes a sleeve a9 that is slidably sleeved on the outside of the main rod 1. A connector 8 is fixedly connected to the outside of the sleeve a9. The connector 8 is radially arranged and has three hinge seats 10 evenly distributed on its outside. Each hinge seat 10 is hinged to a support rod 12. To enable the support rod 12 to unfold and retract, a sleeve b14 is also provided on the outside of the lower end of the main rod 1. Several hinge shafts 16 are provided on the outside of the sleeve b14. Correspondingly, a hinge protrusion 13 is provided on the inner side of the lower end of each support rod 12. Adjacent hinge protrusions 13 and hinge shafts 16 are hinged together by a hinge rod 15.

[0032] When the user pushes the sleeve a9 upward, the lower ends of the three support rods 12 are pushed outward through the transmission action of the hinge rod 15, thereby unfolding the support rods 12 and forming a stable triangular support surface. When the sleeve a9 is pulled downward, the support rods 12 retract inward, making it easy to store and transport.

[0033] A rotating adjustment component is located at the top of the support frame to achieve universal adjustment of the upper structure. Specifically, the rotating adjustment component includes a ball head a18 fixedly connected to the top of the main rod 1. A ball head kit a17 is fitted on the outer side of the ball head a18. The upper end of the ball head kit a17 is fixedly connected to the subsequent main support arm. A fastening bolt a19 is threaded through the side of the ball head kit a17. When the fastening bolt a19 is loosened, the ball head kit a17 can rotate in any direction relative to the ball head a18, thereby driving the entire main support arm to adjust its angle. After adjustment, tightening the fastening bolt a19 can lock the ball head kit a17 and the ball head a18 together to prevent them from shaking.

[0034] The main support arm is fixedly connected to the rotating adjustment component to provide longitudinal extension of the microphone. In this embodiment, the main support arm includes rod a2 and rod b3. A connecting post 4 is fixedly connected to the middle of rod a2. One end of rod b3 is rotatably connected to the connecting post 4 through a bearing or other structure. Rod b3 can rotate horizontally relative to rod a2, further expanding the layout range of the microphone. Rods a2 and b3 can adopt a telescopic rod structure to achieve flexible length adjustment.

[0035] Several auxiliary support arms are detachably installed at the ends of the main support arms, namely the free ends of rods a2 and b3. Each auxiliary support arm includes an auxiliary connecting arm 6. A ball head assembly b is fixedly connected to the lower end of the auxiliary connecting arm 6. A ball head b is provided inside the ball head assembly b. The lower end of the ball head b has a bolt and is connected to the end of the main support arm by means of threads. An adjustment bolt is also provided on the side of the ball head assembly b. By loosening the adjustment bolt, the auxiliary connecting arm 6 can swing at multiple angles with the ball head b as the center, thereby finely adjusting the direction of the microphone. After adjustment, tightening the adjustment bolt will fix it.

[0036] Each secondary connecting arm 6 has a clamping component at its top for directly securing the microphone. The clamping component is a clamping ring 7. One side of the clamping ring 7 has a stud, through which the clamping ring 7 can be detachably threaded to the top of the secondary connecting arm 6, making it easy to replace clamping rings of different sizes. The other side of the clamping ring 7 has a fastening bolt b20 running through it. The microphone is placed inside the clamping ring 7, and then the fastening bolt b20 is tightened to secure the microphone.

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

Claims

1. A multi-microphone adjustable fixing device, characterized in that, include: The support frame includes a main rod (1), and an adjustable triangular support is provided at the lower end of the main rod (1). A rotary adjustment component, wherein the rotary adjustment component is disposed at the end of the support frame; The main support arm is connected to the rotary adjustment component, and the angle of the main support arm is adjusted under the action of the rotary adjustment component. Several auxiliary support arms are provided, and the auxiliary support arms are detachably installed at the end of the main support arm. Each auxiliary support arm is provided with a clamp at its end, and the microphone is fixedly installed by the clamp.

2. The multi-microphone adjustable fixing device according to claim 1, characterized in that: The rotating adjustment component includes a ball head a (18) fixedly connected to the top of the main rod body (1), a ball head kit a (17) is sleeved on the outside of the ball head a (18), a fastening bolt a (19) is threaded through the side of the ball head kit a (17), and a bending rod (5) is fixedly connected to the upper end of the ball head kit a (17).

3. The multi-microphone adjustable fixing device according to claim 2, characterized in that: The main support arm includes rod a (2) and rod b (3). A connecting column (4) is fixedly connected to the middle of rod a (2), and rod b (3) is rotatably connected to the connecting column (4).

4. The multi-microphone adjustable fixing device according to claim 3, characterized in that: The secondary support arm includes a secondary connecting arm (6), and a ball head assembly b is fixedly connected to the lower end of the secondary connecting arm (6). A ball head b is provided inside the ball head assembly b. The ball head b is threadedly connected to the end of the rod a (2) or the rod b (3). An adjusting bolt is provided on the side of the ball head assembly b.

5. The multi-microphone adjustable fixing device according to claim 4, characterized in that: The clamping component includes a clamping ring (7), a stud is provided on one side of the clamping ring (7), the clamping ring (7) is detachably threaded to the auxiliary connecting arm (6) through the stud, and a fastening bolt b (20) is provided through the other side of the clamping ring (7).

6. The multi-microphone adjustable fixing device according to any one of claims 1-5, characterized in that: The triangular support includes a sleeve a (9) that is slidably sleeved on the outside of the main rod (1). A connector (8) is fixedly connected to the outside of the sleeve a (9), and three hinge seats (10) are provided on the outside of the connector (8). Each hinge seat (10) is fitted with a support rod (12) inside. The bottom ends of the three support rods (12) are supported by hinged support members at the lower end of the main rod (1).

7. The multi-microphone adjustable fixing device according to claim 6, characterized in that: The hinge support includes a sleeve b (14) disposed on the outside of the main rod (1), a plurality of hinge shafts (16) disposed on the outside of the sleeve b (14), a hinge protrusion (13) disposed on the inner side of the lower end of the support rod (12), and a hinge rod (15) is hingedly connected between adjacent hinge protrusions (13) and hinge shafts (16).

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