Adjustable baffle structure for sound test of automobile loudspeaker

Abstract

The utility model discloses a sound test adjustable baffle plate structure of an automobile loudspeaker, which comprises a baffle plate main body, the upper part of the baffle plate main body is provided with a test installation window, the lower side of the baffle plate main body is provided with a rotary support plate which extends towards one side, the lower side of the rotary support plate is provided with a fixed bottom plate, and the fixed bottom plate is provided with a through hole. The corner between the rotary supporting plate and the baffle body is rotationally connected with the fixed bottom plate through a rotating shaft, an arc-shaped through groove is formed in the rotary supporting plate with the rotating shaft as the center, and a locking nut in threaded connection with the fixed bottom plate is arranged on the arc-shaped through groove in a penetrating mode. The rotating supporting plate and the baffle plate body rotate around the rotating shaft at the same time, the rotating angle of the baffle plate body can be accurately controlled through the arc-shaped through groove, and the testing requirements of different working conditions are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile loudspeaker production test, concretely to a sound test adjustable baffle structure of automobile loudspeaker. BACKGROUND

[0002] In the product development of automobile loudspeaker, its acoustic parameters need to be tested, the automobile loudspeaker needs to be installed on a baffle, then a test microphone is installed on the front side of the baffle to test the sound emitted by the automobile loudspeaker at a distance of 1 meter, sometimes the directivity of the loudspeaker also needs to be tested, the existing baffle is usually fixed and cannot be adjusted in angle, needs to be adjusted manually or with a special device, the angle is not accurate or expensive, so a test baffle that can accurately adjust the angle is needed to meet the requirements of the current loudspeaker acoustic test. UTILITY MODEL CONTENT

[0003] The utility model provides a sound test adjustable baffle structure of automobile loudspeaker can solve the problem that the angle of the existing loudspeaker test baffle cannot be accurately adjusted.

[0004] To achieve the above object, the utility model provides the following technical scheme: a sound test adjustable baffle structure of automobile loudspeaker, including baffle main part, the upper portion of baffle main part is provided with test installation window, the downside of baffle main part is provided with the rotary support plate of extension to one side, the downside of rotary support plate is provided with fixed bottom plate, the rotary support plate is connected with fixed bottom plate rotation through the pivot between the rotary support plate and baffle main part, the rotary support plate is provided with arc through groove with pivot as center, the arc through groove is provided with locking nut with fixed bottom plate screw thread connection through, the rotary support plate and baffle main part can be accurately controlled the rotary angle of baffle main part through arc through groove by rotating around pivot, satisfy the requirement of different working condition test.

[0005] As preferred, the arc through groove is symmetrically arranged on both sides of the pivot, and at least one locking nut is installed on each arc through groove, so that the baffle main body and the rotary support plate can be rotated to both sides through the two arc through grooves, and the adjustment is convenient.

[0006] As preferred, the fixed bottom plate is provided with a plurality of threaded holes corresponding to the arc through groove, and the locking nut is connected to any one threaded hole, so that the position of the locking nut can be adjusted.

[0007] As preferred, the baffle main body and the rotary support plate are connected through the triangular support pieces located on the two side edges, so that the connection strength between the baffle main body and the rotary support plate is improved.

[0008] Preferably, the baffle body is provided with pressing seats on the side of the test installation window for pressing the loudspeaker installed in the test installation window.

[0009] Preferably, the test installation window is provided with a loudspeaker installation plate on the inner side for positioning the loudspeaker in the center of the test installation window.

[0010] Compared with the prior art, the baffle structure has the advantages that:

[0011] The baffle structure has the advantages that: BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a perspective view of the baffle structure;

[0013] Figure 2 is a perspective view of the baffle structure in use;

[0014] Figure 3 is a test schematic view of the baffle structure. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the baffle structure will be clearly and completely described below with reference to the drawings in the embodiments of the baffle structure. Obviously, the described embodiments are only some of the embodiments of the baffle structure, but not all the embodiments of the baffle structure.

[0016] As shown in Figures 1-3 The baffle structure comprises a baffle body 1, an upper portion of the baffle body 1 is provided with a test installation window 5, a lower side of the baffle body 1 is provided with a rotating support plate 2 extending to one side, a lower side of the rotating support plate 2 is provided with a fixed bottom plate 3, a rotating angle between the rotating support plate 2 and the baffle body 1 is connected to the fixed bottom plate 3 through a rotating shaft 14, the rotating support plate 2 is provided with an arc-shaped through slot 9 with the rotating shaft 14 as the center, the arc-shaped through slot 9 is provided with a locking nut 8 threadedly connected to the fixed bottom plate 3, the rotating support plate 2 and the baffle body 1 are simultaneously rotated around the rotating shaft 14, the rotating angle of the baffle body 1 can be accurately controlled through the arc-shaped through slot 9, and the requirements of different working conditions for testing can be met.

[0017] Specifically, the baffle main body 1 can be integrally formed, or the rotating support plate 2 and the baffle main body 1 can be connected by a connecting piece, the locking nut 8 adopts a conventional structure, generally including a nut and a screw rod installed at one end of the nut, the screw rod can be connected with a threaded hole on the fixed bottom plate 3, and the rotating support plate 2 can be locked and loosened with the fixed bottom plate 3 by rotating the nut.

[0018] A scale line can be arranged on the upper side of the rotating support plate 2 to indicate the rotation of the baffle main body 1, so that the deflection angle of the baffle main body 1 can be adjusted conveniently and quickly.

[0019] In the embodiment, the baffle main body 1 is matched with a test unit 10 arranged on the front side of the baffle main body 1, the test unit 10 can be installed with a distance test device 12 and a microphone 11, the distance test device 12 is used for testing the distance between the microphone 11 and the baffle main body 1, and the microphone 11 can detect the sound emitted by a loudspeaker installed on the test installation window 5.

[0020] In the embodiment, as shown in Figure 1 The arc-shaped through grooves 9 are symmetrically arranged on both sides of the rotating shaft 14, at least one locking nut 8 is installed on each arc-shaped through groove 9, and the baffle main body 1 and the rotating support plate 2 can be rotated to both sides through the two arc-shaped through grooves 9, so that the adjustment is convenient.

[0021] In the embodiment, a plurality of threaded holes are arranged on the fixed bottom plate 3 at positions corresponding to the arc-shaped through grooves 9, and the locking nut 8 is connected with any one threaded hole, so that the position of the locking nut 8 can be adjusted.

[0022] In the embodiment, as shown in Figures 1-3 The baffle main body 1 and the rotating support plate 2 are connected through the triangular support pieces 7 arranged on the two side edges, so that the connection strength between the baffle main body 1 and the rotating support plate 2 is improved. Figure 1 As shown in The baffle main body 1 is provided with a plurality of pressing seats 6 arranged on the side edges of the test installation window 5 and used for pressing the loudspeaker installed in the test installation window 5, so that the loudspeaker can be firmly installed through the pressing seats 6.

[0023] Preferably, the inner side of the test installation window 5 is transversely provided with a loudspeaker mounting plate 4, so that the loudspeaker can be positioned at the center of the test installation window 5.

[0024] It should be noted that all the directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.

[0025] In addition, the descriptions such as "first", "second" and the like in the present application are only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the technical features or implying the number of the technical features indicated. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically defined.

[0026] In the present application, unless otherwise specifically defined and limited, the terms "connection", "fixing" and the like should be understood broadly, for example, "fixing" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] In addition, the technical solutions of each embodiment of the present application can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection required by the present application.

Claims

1. A sound test adjustable baffle structure for a car speaker, characterized in that, The utility model relates to a test installation window (5) is provided on the upper portion of the baffle main part (1), and the lower side of the baffle main part (1) is provided with the rotary support plate (2) extending to one side, and the lower side of the rotary support plate (2) is provided with the fixed bottom plate (3), and the rotary support plate (2) is rotatably connected with the fixed bottom plate (3) through the rotating shaft (14) at the rotation angle between the rotary support plate (2) and the baffle main part (1), and the arc-shaped through slot (9) is provided on the rotary support plate (2) and takes the rotating shaft (14) as the center, and the arc-shaped through slot (9) is provided with the locking nut (8) threadedly connected with the fixed bottom plate (3) and passes through. The arc-shaped through slot (9) is symmetrically arranged on both sides of the rotating shaft (14), and at least one locking nut (8) is arranged on each arc-shaped through slot (9).

2. The sound test adjustable baffle structure of the car speaker according to claim 1, characterized in that: The fixed bottom plate (3) is provided with a plurality of threaded holes corresponding to the arc-shaped through slot (9), and the locking nut (8) is connected with any threaded hole.

3. The sound test adjustable baffle structure of the car speaker according to claim 2, characterized in that: The baffle main part (1) and the rotary support plate (2) are connected through the triangular support (7) on the two side edges.

4. The sound test adjustable baffle structure of the car speaker according to claim 1, characterized in that: A plurality of pressing seats (6) for pressing the loudspeaker installed in the test installation window (5) are arranged on the side edge of the baffle main part (1) corresponding to the test installation window (5).

5. The sound test adjustable baffle structure of the car speaker according to claim 1, characterized in that: The inner side of the test installation window (5) is transversely provided with a loudspeaker mounting plate (4).

6. The sound test adjustable baffle structure of the car speaker according to claim 5, characterized in that: ​

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