CN216433235U - Fixing support for in-vehicle noise test - Google Patents
Fixing support for in-vehicle noise test Download PDFInfo
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- CN216433235U CN216433235U CN202122564158.XU CN202122564158U CN216433235U CN 216433235 U CN216433235 U CN 216433235U CN 202122564158 U CN202122564158 U CN 202122564158U CN 216433235 U CN216433235 U CN 216433235U
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- cover plate
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- shaped rod
- fastening cover
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- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
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Abstract
A fixed support for in-vehicle noise testing comprises an L-shaped rod, wherein a first fixed base is fixedly arranged on the vertical portion of the L-shaped rod, a first fastening cover plate is fixedly arranged above the first fixed base, and a sound level meter is clamped by the first fixed base and the first fastening cover plate; a second fixing base is fixedly arranged on the transverse straight part of the L-shaped rod, a second fastening cover plate is fixedly arranged above the second fixing base, and the second fixing base and the second fastening cover plate are clamped on the headrest rod of the seat. The utility model provides a position adjustment limitation of sound level meter is great in the fixed mode of traditional sound level meter, and the problem that position uniformity of many times measuring is difficult to guarantee.
Description
Technical Field
The utility model relates to an auto-parts field especially relates to a fixed bolster that is used for interior noise test of car.
Background
The noise test in the vehicle mainly utilizes a sound level meter to collect sound pressure levels of left and right ears of a driver to serve as basic data for evaluating NVH of the whole vehicle or analyzing NVH problems, so that the test result is more accurate when the position of the sound level meter is closer to the position of the ears of a human body for evaluating the consistency and accuracy of the standard, and the position cannot be changed during multiple times of measurement so as to avoid influencing the consistency of the result. However, in the traditional test mode, the sound level meter is directly fixed on the headrest by using an adhesive tape, the position adjustment limitation of the sound level meter is large, and the position consistency of multiple measurements is difficult to ensure. Therefore, a new fixing bracket for noise test in a vehicle needs to be invented.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fixed bolster for noise test in car, the position adjustment limitation of sound level meter is great in solving traditional sound level meter fixed mode, and the position uniformity of many times measuring is difficult to the problem of guaranteeing.
The utility model provides a technical scheme that its technical problem adopted is:
a fixed support for testing noise in a vehicle comprises an L-shaped rod, wherein a first fixed base is fixedly arranged on the vertical part of the L-shaped rod, a first fastening cover plate is fixedly arranged above the first fixed base, and the first fixed base and the first fastening cover plate clamp a sound level meter; a second fixing base is fixedly arranged on the transverse straight part of the L-shaped rod, a second fastening cover plate is fixedly arranged above the second fixing base, and the second fixing base and the second fastening cover plate are clamped on the headrest rod of the seat.
Furthermore, a semicircular first fixing groove is formed in the upper end face of the first fixing base, a first threaded hole and a first bolt are formed in the lower end face of the first fixing groove, and the first bolt sequentially penetrates through the L-shaped rod and the first fixing base; the lower end face of the first fastening cover plate is provided with a semicircular second fixing groove, the first fastening cover plate is provided with two second bolts, and the second bolts penetrate through the first fastening cover plate and are fixedly connected with the first fixing base.
Further, the sound level meter is fixedly arranged between the first fixing groove and the second fixing groove.
Furthermore, a first fixing hole penetrating through two sides is formed in the second fixing base, a second threaded hole communicated with the first fixing hole is formed in the lower end face of the second fixing base, a third bolt is arranged in the second threaded hole, and the transverse straight part of the L-shaped rod penetrates through the first fixing hole and is fastened through the third bolt; a semicircular third fixing groove is formed in the upper end face of the second fixing base; a semicircular fourth fixing groove is formed in the lower end face of the second fastening cover plate, two fourth bolts are arranged on the second fastening cover plate, and the fourth bolts penetrate through the second fastening cover plate and are fixedly connected with the second fixing base; the third fixing groove and the fourth fixing groove are matched with the outer diameter of the seat headrest rod.
Furthermore, a plurality of second fixing holes are formed in the vertical portion of the L-shaped rod from top to bottom at intervals, and the second fixing holes penetrate through the rod body of the L-shaped rod.
The utility model has the advantages that: compared with the traditional mode, the utility model has the advantages that the connection is firmer, the positioning is accurate, the consistency of multiple testing positions can be ensured, and the testing result is more accurate; the X/Y/Z three-way regulation of the sound level meter can be conveniently realized according to the requirement; meanwhile, the installation and the disassembly are convenient, and the seat headrest body cannot be damaged.
The present invention will be described in more detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a structural diagram of a fixing bracket for in-vehicle noise testing of the present invention.
Fig. 2 is another direction structure diagram of the fixing bracket for the noise test in the vehicle of the present invention.
Fig. 3 is an exploded view of a fixing bracket for noise testing in a vehicle according to the present invention.
Detailed Description
As shown in fig. 1 to 3, the fixing bracket for testing the noise in the vehicle comprises an L-shaped rod 1, wherein a first fixing base 2 is fixedly arranged on a vertical part of the L-shaped rod 1, a first fastening cover plate 3 is fixedly arranged above the first fixing base 2, and a sound level meter 4 is clamped by the first fixing base 2 and the first fastening cover plate 3; a second fixing base 5 is fixedly arranged on the transverse straight part of the L-shaped rod 1, a second fastening cover plate 6 is fixedly arranged above the second fixing base 5, and the second fixing base 5 and the second fastening cover plate 6 are clamped on the seat headrest rod.
Further, in order to conveniently clamp the sound level meter 4 and randomly adjust the clamping direction, a semicircular first fixing groove 201 is formed in the upper end face of the first fixing base 2, a first threaded hole and a first bolt 7 are formed in the lower end face of the first fixing groove 201, and the first bolt 7 sequentially penetrates through the L-shaped rod 1 and the first fixing base 2; the lower terminal surface of first fastening apron 3 be provided with the second fixed slot 301 of semicircle type, first fastening apron 3 on be provided with two second bolts 8, second bolt 8 pass first fastening apron 3 and with first unable adjustment base 2 fixed connection.
Further, in order to better hold the sound level meter 4, the sound level meter 4 is fixedly disposed between the first fixing groove 201 and the second fixing groove 301.
Further, in order to facilitate clamping of the seat headrest rod and arbitrary adjustment of the angle of the L-shaped rod, a first fixing hole 502 penetrating through both sides is formed in the second fixing base 5, a second threaded hole communicated with the first fixing hole 502 is formed in the lower end face of the second fixing base 5, a third bolt 9 is arranged in the second threaded hole, and a horizontal straight portion of the L-shaped rod 1 penetrates through the first fixing hole 502 and is fastened through the third bolt 9; a semicircular third fixing groove 501 is formed in the upper end face of the second fixing base 5; a semicircular fourth fixing groove 601 is formed in the lower end face of the second fastening cover plate 6, two fourth bolts 10 are arranged on the second fastening cover plate 6, and the fourth bolts 10 penetrate through the second fastening cover plate 6 and are fixedly connected with the second fixing base 5; the third fixing groove 501 and the fourth fixing groove 601 are adapted to the outer diameter of the headrest rod.
Further, in order to adjust the clamping height of the sound level meter 4 conveniently, a plurality of second fixing holes 101 are formed in the vertical portion of the L-shaped rod 1 at intervals from top to bottom, and the second fixing holes 101 penetrate through the rod body of the L-shaped rod 1.
The utility model discloses an installation method: firstly clamping a second fixed base 5 and a second fastening cover plate 6 on a seat headrest rod, adjusting the position of an L-shaped rod 1, and then screwing a third bolt 9 and a fourth bolt 10; place sound level meter 4 again between first unable adjustment base 2 and first fastening apron 3, screw up second bolt 8 and fix sound level meter 4, then rotatory first unable adjustment base 2 adjusts the position, it can to screw up first bolt 7.
The utility model discloses an adjusting method:
y-direction adjustment: the left and right positions of the L-shaped rod 1 are adjusted by tightening and loosening the third bolt 9, so that Y-direction adjustment is realized;
adjusting in the X direction: the third bolt 9 and the second bolt 8 are loosened and tightened, the L-shaped rod 1 is rotated around the Y axis, and the 5X-direction position of the sound level meter 4 is adjusted to realize X-direction adjustment;
and (3) Z-direction adjustment: and (3) loosening and tightening the third bolt 9 and the first bolt 7, rotating the L-shaped rod 1 around the Y axis, and selecting the second fixing holes 101 with different heights on the L-shaped rod 1 to realize Z-direction adjustment.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited to the above embodiments, and various modifications made by the method concept and technical solution of the present invention or those directly applied to other applications without modification fall within the protection scope of the present invention.
Claims (5)
1. A fixed support for testing noise in a vehicle is characterized by comprising an L-shaped rod (1), wherein a first fixed base (2) is fixedly arranged on a vertical part of the L-shaped rod (1), a first fastening cover plate (3) is fixedly arranged above the first fixed base (2), and a sound level meter (4) is clamped by the first fixed base (2) and the first fastening cover plate (3); a second fixing base (5) is fixedly arranged on the transverse straight part of the L-shaped rod (1), a second fastening cover plate (6) is fixedly arranged above the second fixing base (5), and the second fixing base (5) and the second fastening cover plate (6) are clamped on the seat headrest rod.
2. The fixing bracket for the in-vehicle noise test according to claim 1, wherein a semicircular first fixing groove (201) is formed in the upper end surface of the first fixing base (2), a first threaded hole and a first bolt (7) are formed in the lower end surface of the first fixing groove (201), and the first bolt (7) penetrates through the L-shaped rod (1) and the first fixing base (2) in sequence; the lower terminal surface of first fastening apron (3) be provided with second fixed slot (301) of semicircle type, first fastening apron (3) on be provided with two second bolt (8), second bolt (8) pass first fastening apron (3) and with first unable adjustment base (2) fixed connection.
3. The fixing bracket for the noise test in the vehicle as claimed in claim 2, wherein the sound level meter (4) is fixedly arranged between the first fixing groove (201) and the second fixing groove (301).
4. The fixing bracket for the in-vehicle noise test according to claim 1, wherein the second fixing base (5) is provided with a first fixing hole (502) penetrating through two sides, the lower end surface of the second fixing base (5) is provided with a second threaded hole communicated with the first fixing hole (502), the second threaded hole is provided with a third bolt (9), and a transverse straight part of the L-shaped rod (1) penetrates through the first fixing hole (502) and is fastened through the third bolt (9); a semicircular third fixing groove (501) is formed in the upper end face of the second fixing base (5); a semicircular fourth fixing groove (601) is formed in the lower end face of the second fastening cover plate (6), two fourth bolts (10) are arranged on the second fastening cover plate (6), and the fourth bolts (10) penetrate through the second fastening cover plate (6) and are fixedly connected with the second fixing base (5); the third fixing groove (501) and the fourth fixing groove (601) are matched with the outer diameter of the headrest rod.
5. The fixing support for the in-vehicle noise test is characterized in that a plurality of second fixing holes (101) are formed in the vertical portion of the L-shaped rod (1) at intervals from top to bottom, and the second fixing holes (101) penetrate through the rod body of the L-shaped rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122564158.XU CN216433235U (en) | 2021-10-25 | 2021-10-25 | Fixing support for in-vehicle noise test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122564158.XU CN216433235U (en) | 2021-10-25 | 2021-10-25 | Fixing support for in-vehicle noise test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216433235U true CN216433235U (en) | 2022-05-03 |
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ID=81333676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122564158.XU Active CN216433235U (en) | 2021-10-25 | 2021-10-25 | Fixing support for in-vehicle noise test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216433235U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115165384A (en) * | 2022-05-12 | 2022-10-11 | 岚图汽车科技有限公司 | Vehicular noise test equipment |
| CN115165384B (en) * | 2022-05-12 | 2024-05-31 | 岚图汽车科技有限公司 | Vehicle-mounted noise testing equipment |
-
2021
- 2021-10-25 CN CN202122564158.XU patent/CN216433235U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115165384A (en) * | 2022-05-12 | 2022-10-11 | 岚图汽车科技有限公司 | Vehicular noise test equipment |
| CN115165384B (en) * | 2022-05-12 | 2024-05-31 | 岚图汽车科技有限公司 | Vehicle-mounted noise testing equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240424 Address after: 241000 No. 8, Changchun Road, Wuhu economic and Technological Development Zone, Anhui, China Patentee after: CHERY AUTOMOBILE Co.,Ltd. Country or region after: China Address before: 241000 Building 8, science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province Patentee before: Chery Commercial Vehicles (Anhui) Co., Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |