CN209787361U - microphone bracket for noise test in vehicle - Google Patents
microphone bracket for noise test in vehicle Download PDFInfo
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- CN209787361U CN209787361U CN201920977264.0U CN201920977264U CN209787361U CN 209787361 U CN209787361 U CN 209787361U CN 201920977264 U CN201920977264 U CN 201920977264U CN 209787361 U CN209787361 U CN 209787361U
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Abstract
a microphone bracket for an in-vehicle noise test comprises a stabilizing mechanism, a first microphone fixing mechanism arranged at the left end of a headrest and capable of adjusting a first microphone fixing bracket fixing position, and a second microphone fixing mechanism arranged at the right end of the headrest and capable of adjusting a second microphone fixing bracket fixing position; the first microphone fixing mechanism comprises a left transverse adjusting rod vertically arranged at the left end of the left headrest inserting rod, the right end of the left transverse adjusting rod is vertically and slidably connected with the left headrest inserting rod, the left end of the left transverse adjusting rod is vertically and slidably connected with a first longitudinal adjusting rod, and the upper end of the first longitudinal adjusting rod is vertically and slidably connected with a first microphone fixing support; the second microphone fixing mechanism comprises a right transverse adjusting rod vertically arranged at the right end of the right headrest inserting rod, the left end of the right transverse adjusting rod is connected with the right headrest inserting rod in a sliding mode, the right end of the right transverse adjusting rod is connected with the second longitudinal adjusting rod in a sliding mode, and the upper end of the second longitudinal adjusting rod is vertically connected with a second microphone fixing support in a sliding mode; the installation is firm, and is with low costs, simple to operate, has guaranteed test efficiency and result precision.
Description
Technical Field
The utility model relates to an experimental installing support technical field of using, in particular to noise test uses microphone support in car.
Background
In the development process of the noise performance of the automobile, the noise in the automobile under different working conditions needs to be detected, and the spectral characteristics and the energy distribution of the noise are analyzed so as to take improvement measures in a targeted manner; noise in the car is the essential test item in noise vibration development and research field, not only can reflect driver and passenger's travelling comfort to the whole noise perception of car in the car, embodies the quality and the technical merit of this car in addition, is the core competitiveness of each big car factory, in the past fix through interim scheme more, exist fixed not firm, position (distance, angle) adjustment is inconvenient, the operation is time-consuming, it has the error scheduling problem to detect to influence equipment safety in utilization, the accuracy of test efficiency and test result.
Disclosure of Invention
The utility model aims at overcoming prior art's the above-mentioned not enough, and provide a noise test in car uses microphone support, multi freedom is adjustable, easy operation, and the location is accurate and with low costs to the accuracy of equipment safety in utilization, experimental high rate and test result has been ensured.
A microphone bracket for an in-vehicle noise test comprises a stabilizing mechanism, a first microphone fixing mechanism arranged at the left end of a headrest and capable of adjusting a first microphone fixing bracket fixing position, and a second microphone fixing mechanism arranged at the right end of the headrest and capable of adjusting a second microphone fixing bracket fixing position;
The first microphone fixing mechanism comprises a left transverse adjusting rod vertically arranged at the left end of the left headrest inserting rod, the right end of the left transverse adjusting rod is vertically and slidably connected with the left headrest inserting rod, the left end of the left transverse adjusting rod is vertically and slidably connected with a first longitudinal adjusting rod, and the upper end of the first longitudinal adjusting rod is vertically and slidably connected with a first microphone fixing support;
The second microphone fixing mechanism comprises a right transverse adjusting rod vertically arranged at the right end of the right headrest inserting rod, the left end of the right transverse adjusting rod is connected with the right headrest inserting rod in a sliding mode, the right end of the right transverse adjusting rod is connected with the second longitudinal adjusting rod in a vertical sliding mode, and the upper end of the second longitudinal adjusting rod is connected with a second microphone fixing support in a vertical sliding mode;
the stabilizing mechanism comprises a left longitudinal guide rod, a right longitudinal guide rod and a transverse guide rod, the left longitudinal guide rod is vertically connected between the left transverse adjusting rod and the transverse guide rod, and the right longitudinal guide rod is vertically connected between the right transverse adjusting rod and the transverse guide rod.
The right end of the left transverse adjusting rod is connected with a left vertical adjusting sleeve which is sleeved on the left headrest inserted rod and can be vertically adjusted; the left end of the right transverse adjusting rod is connected with a right vertical adjusting sleeve which is sleeved on the right headrest inserted rod and can be vertically adjusted; all be provided with a through-hole one on left side vertical adjustment sleeve, the right vertical adjustment sleeve, and install left vertical positioning bolt in the through-hole on the left vertical adjustment sleeve, install right vertical positioning bolt in the through-hole on the right vertical adjustment sleeve.
The front end of the longitudinal adjusting rod I is connected with a transverse adjusting sleeve I which is sleeved on the left transverse adjusting rod and can move transversely; the front end of the longitudinal adjusting rod II is connected with a transverse adjusting sleeve II which is sleeved on the right transverse adjusting rod and can move transversely; the rear end of the left longitudinal guide rod is connected with a first transverse adjusting sleeve sleeved on the left transverse adjusting rod, and the front end of the left longitudinal guide rod is connected with a three-phase transverse adjusting sleeve sleeved on the transverse guide rod; the rear end of the right longitudinal guide rod is connected with a transverse adjusting sleeve II sleeved on the right transverse adjusting rod, and the front end of the right longitudinal guide rod is connected with a transverse adjusting sleeve IV sleeved on the transverse guide rod; the transverse adjusting sleeve I, the transverse adjusting sleeve II, the transverse adjusting sleeve III and the transverse adjusting sleeve IV are all provided with a through hole II, a transverse positioning bolt I is installed in the through hole II on the transverse adjusting sleeve I, a transverse positioning bolt II is installed in the through hole II on the transverse adjusting sleeve II, a transverse positioning bolt III is installed in the through hole II on the transverse adjusting sleeve III, and a transverse positioning bolt IV is installed in the through hole II on the transverse adjusting sleeve IV.
The bottom end of a fixed support of the microphone is connected with a left longitudinal adjusting sleeve which is sleeved on the longitudinal adjusting rod I and can move longitudinally; the microphone II fixing support is connected with a right longitudinal adjusting sleeve which is sleeved on the longitudinal adjusting rod II and can move longitudinally; and a third through hole is formed in each of the left longitudinal adjusting sleeve and the right longitudinal adjusting sleeve, a left longitudinal positioning bolt is installed in the third through hole in the left longitudinal adjusting sleeve, and a right longitudinal positioning bolt is installed in the third through hole in the right longitudinal adjusting sleeve.
The microphone fixing device comprises a microphone and is characterized in that the microphone fixing support and the microphone fixing support are respectively composed of an upper fixing frame and a lower fixing frame, external threads are arranged at the upper end of the upper fixing frame, internal threads matched with the external threads of the upper fixing frame are arranged at the bottom end of the lower fixing frame, and the upper fixing frame is in threaded connection with the lower fixing frame.
The upper end of the first microphone fixing support is provided with a first groove for mounting a first microphone base, two opening ends of the first groove are respectively provided with a fourth through hole matched with a mounting hole at the bottom of the first microphone base, and the bottom end of the first microphone base is mounted in the first groove at the upper end of the first microphone fixing support through a positioning pin;
The upper end of the second microphone fixing support is provided with a second groove used for mounting a second microphone base, two opening ends of the second groove are respectively provided with a fifth through hole matched with the mounting hole at the bottom of the second microphone base, and the bottom end of the second microphone base is mounted in the second groove at the upper end of the second microphone fixing support through a positioning pin.
the microphone is characterized in that a first cylindrical fixing frame used for fixing a first microphone is vertically arranged at the upper end of the first microphone base, an opening is formed in the upper end of the first fixing frame, and two ends of the first fixing frame are respectively arranged into inclined planes.
The upper end of the second microphone base is vertically provided with a second cylindrical fixing frame for fixing the second microphone, the upper end of the second fixing frame is provided with an opening, and two ends of the second fixing frame are respectively arranged into inclined planes.
the stabilizing mechanism further comprises a left stabilizing rod and a right stabilizing rod, the front end of the left stabilizing rod is connected with a transverse adjusting sleeve V sleeved on the transverse guide rod, and the rear end of the left stabilizing rod is connected with a left vertical adjusting sleeve sleeved on the left headrest inserted link; the front end of the right stabilizer bar is connected with a transverse adjusting sleeve six sleeved on the transverse guide rod, and the rear end of the right stabilizer bar is connected with a right vertical adjusting sleeve sleeved on the right headrest inserted bar; and a through hole six is formed in each of the fifth transverse adjusting sleeve and the sixth transverse adjusting sleeve, a left stabilizer bar fixing bolt is installed in the through hole six in the fifth transverse adjusting sleeve, and a right stabilizer bar fixing bolt is installed in the through hole six in the sixth transverse adjusting sleeve.
The left transverse adjusting rod, the right transverse adjusting rod, the first longitudinal adjusting rod and the second longitudinal adjusting rod are rod bodies with scales.
The utility model has the advantages that: compared with the prior art, the utility model has the advantages of firm installation, low cost, convenient installation, guarantee of test efficiency and result accuracy, adjustable microphone fixing mechanism in horizontal, longitudinal and vertical directions, adjustable multi-degree of freedom, and enlarged adjustment range, and can effectively improve the installation and adjustment accuracy of the microphone and improve the fixing mode of the microphone; set up the scale and make the convenient and fast more of regulation on each regulation pole, effectively reduced experimental time, improve work efficiency, improved the accurate positioning of test point simultaneously, test effect is better.
Drawings
FIG. 1 is a schematic structural view of the present invention;
Fig. 2 is a schematic structural view of a microphone fixing bracket according to the present invention;
In the figure: 1. a transverse guide rod; 2. a left longitudinal guide bar; 3. a left lateral adjusting rod; 4. a transverse positioning bolt I; 5. a first fixing frame; 6. a left longitudinal positioning bolt, 7, a left headrest inserted link; 8. a first vertical positioning bolt; 9. a right stabilizer bar; 10. a right vertical positioning bolt; 11. a right headrest insert rod; 12. a right lateral adjusting rod; 13. a second transverse positioning bolt; 14. a second fixing frame; 15. a right longitudinal positioning pin; 16. a right longitudinal guide bar; 17. a transverse positioning bolt IV; 18. a right stabilizer bar fixing bolt; 19. a left stabilizer bar; 20. a left stabilizer bar fixing bolt; 21. a transverse positioning bolt III; 22. a headrest; 23. positioning pins; 25. and a first microphone.
Detailed Description
The technical solution in the embodiments of the present invention will now be clearly and completely described with reference to the accompanying drawings, which are simplified schematic drawings and only schematically illustrate the basic structure of the present invention.
As shown in fig. 1, the utility model comprises a stabilizing mechanism, a first fixing mechanism of a microphone which is arranged at the left end of a headrest 22 and can adjust the fixing position of a first fixing bracket of the microphone, and a second fixing mechanism of a microphone which is arranged at the right end of the headrest 22 and can adjust the fixing position of a second fixing bracket of the microphone; the microphone fixing mechanism can be adjusted in the transverse direction, the longitudinal direction, the vertical direction and the like, and the multiple degrees of freedom are adjustable, so that the adjusting range is expanded; the first microphone fixing mechanism comprises a left transverse adjusting rod 3 vertically arranged at the left end of a left headrest inserting rod 7, the right end of the left transverse adjusting rod 3 is vertically and slidably connected with the left headrest inserting rod 7, the left end of the left transverse adjusting rod is vertically and slidably connected with a first longitudinal adjusting rod, and the upper end of the first longitudinal adjusting rod is vertically and slidably connected with a first microphone fixing support; the second microphone fixing mechanism comprises a right transverse adjusting rod 12 vertically arranged at the right end of the right headrest inserting rod 11, the left end of the right transverse adjusting rod 12 is connected with the right headrest inserting rod 11 in a sliding mode, the right end of the right transverse adjusting rod 12 is connected with the second longitudinal adjusting rod in a sliding mode, and the upper end of the second longitudinal adjusting rod is connected with a second microphone fixing support in a sliding mode; the stabilizing mechanism comprises a left longitudinal guide rod 2, a right longitudinal guide rod 16 and a transverse guide rod 1, wherein the left longitudinal guide rod 2 is vertically connected between the left transverse adjusting rod 3 and the transverse guide rod 1, and the right longitudinal guide rod 16 is vertically connected between the right transverse adjusting rod 12 and the transverse guide rod 1;
the right end of the left transverse adjusting rod 3 is connected with a left vertical adjusting sleeve which is sleeved on the left headrest inserted rod 7 and can be vertically adjusted; the left end of the right transverse adjusting rod 12 is connected with a right vertical adjusting sleeve which is sleeved on the right headrest inserted rod 11 and can be vertically adjusted; a first through hole is formed in each of the left vertical adjusting sleeve and the right vertical adjusting sleeve, a left vertical positioning bolt 8 is installed in the first through hole in the left vertical adjusting sleeve, a right vertical positioning bolt 10 is installed in the first through hole in the right vertical adjusting sleeve, and the vertical distance between the microphone and the ears of a driver and/or a passenger can be adjusted through the left vertical positioning bolt 8 and the right vertical positioning bolt 10; the front end of the longitudinal adjusting rod I is connected with a transverse adjusting sleeve I which is sleeved on the left transverse adjusting rod 3 and can move transversely; the front end of the longitudinal adjusting rod II is connected with a transverse adjusting sleeve II which is sleeved on the right transverse adjusting rod 12 and can move transversely; the rear end of the left longitudinal guide rod 2 is connected with a first transverse adjusting sleeve sleeved on the left transverse adjusting rod 3, and the front end of the left longitudinal guide rod is connected with a three-phase transverse adjusting sleeve sleeved on the transverse guide rod 1; the rear end of the right longitudinal guide rod 16 is connected with a transverse adjusting sleeve II sleeved on the right transverse adjusting rod 12, and the front end of the right longitudinal guide rod is connected with a transverse adjusting sleeve IV sleeved on the transverse guide rod 1; a through hole II is formed in each of the transverse adjusting sleeve I, the transverse adjusting sleeve II, the transverse adjusting sleeve III and the transverse adjusting sleeve IV, a transverse positioning bolt I4 is installed in the through hole II in the transverse adjusting sleeve I, a transverse positioning bolt II 13 is installed in the through hole II in the transverse adjusting sleeve II, a transverse positioning bolt III 21 is installed in the through hole II in the transverse adjusting sleeve III, a transverse positioning bolt IV 17 is installed in the through hole II in the transverse adjusting sleeve IV, and the transverse distance between the microphone and the ears of a driver and/or passengers can be adjusted through the transverse positioning bolt I4, the transverse positioning bolt II 13, the transverse positioning bolt III 21 and the transverse positioning bolt IV 17; the bottom end of a fixed bracket of the microphone is connected with a left longitudinal adjusting sleeve which is sleeved on the longitudinal adjusting rod I and can move longitudinally; the microphone II fixing support is connected with a right longitudinal adjusting sleeve which is sleeved on the longitudinal adjusting rod II and can move longitudinally; the left longitudinal adjusting sleeve and the right longitudinal adjusting sleeve are respectively provided with a third through hole, a left longitudinal positioning bolt 6 is arranged in the third through hole in the left longitudinal adjusting sleeve, a right longitudinal positioning bolt 15 is arranged in the third through hole in the right longitudinal adjusting sleeve, and the longitudinal distance between the microphone and the ear side of a driver and/or a passenger can be adjusted through the left longitudinal positioning bolt 6 and the right longitudinal positioning bolt 15; the fixing mode of the positioning bolt is adopted, so that the support is convenient to mount and dismount, the time required by the test is effectively saved, and the production efficiency is improved;
the stabilizing mechanism further comprises a left stabilizing rod 19 and a right stabilizing rod 9, the front end of the left stabilizing rod 19 is connected with a transverse adjusting sleeve V sleeved on the transverse guide rod 1, and the rear end of the left stabilizing rod is connected with a left vertical adjusting sleeve sleeved on the left headrest inserted link 7; the front end of the right stabilizer bar 9 is connected with a transverse adjusting sleeve six sleeved on the transverse guide rod 1, and the rear end of the right stabilizer bar is connected with a right vertical adjusting sleeve sleeved on the right headrest inserted bar 11; a through hole six is formed in each of the transverse adjusting sleeve five and the transverse adjusting sleeve six, a left stabilizer bar fixing bolt 20 is installed in the through hole six in the transverse adjusting sleeve five, a right stabilizer bar fixing bolt 18 is installed in the through hole six in the transverse adjusting sleeve six, the stability of the whole support is improved by adding the left stabilizer bar 19 and the right stabilizer bar 9, and the precision of a test result is effectively guaranteed;
The left transverse adjusting rod 3, the right transverse adjusting rod 12, the longitudinal adjusting rod I and the longitudinal adjusting rod II are rod bodies with scales; set up the scale and make the convenient and fast more of regulation, effectively reduced experimental time, improved work efficiency, improved the accurate positioning of test point simultaneously, test effect is better.
As shown in fig. 2, the first fixing bracket of the microphone of the present invention comprises an upper fixing frame and a lower fixing frame, wherein the upper end of the upper fixing frame is provided with an external thread, the bottom end of the lower fixing frame is provided with an internal thread matched with the external thread of the upper fixing frame, and the upper fixing frame is in threaded connection with the lower fixing frame, so that the first fixing bracket of the microphone can rotate 360 degrees, and the testing range is enlarged; the upper end of a first fixing support of the microphone is provided with a first groove used for mounting a first microphone base, two opening ends of the first groove are respectively provided with a fourth through hole matched with a mounting hole at the bottom of the first microphone base, the bottom end of the first microphone base is mounted in the first groove at the upper end of the first fixing support of the microphone through a positioning pin 23, the upper end of the first microphone base is vertically provided with a first cylindrical fixing frame 5 used for fixing a first microphone 25, the upper end of the first fixing frame 5 is provided with an opening, two ends of the first fixing frame 5 are respectively arranged into inclined planes, two ends of the first fixing frame 5 are arranged into inclined planes, when the microphone is dismounted, the contact area between the hand of a worker and the microphone is; the two microphone fixing supports and the one microphone fixing support are the same in structure.
Claims (10)
1. the utility model provides a noise test uses microphone support in car which characterized in that: the device comprises a stabilizing mechanism, a first microphone fixing mechanism which is arranged at the left end of a headrest (22) and can adjust the fixing position of a first microphone fixing support, and a second microphone fixing mechanism which is arranged at the right end of the headrest (22) and can adjust the fixing position of a second microphone fixing support;
the first microphone fixing mechanism comprises a left transverse adjusting rod (3) vertically arranged at the left end of a left headrest inserting rod (7), the right end of the left transverse adjusting rod (3) is vertically and slidably connected with the left headrest inserting rod (7), the left end of the left transverse adjusting rod is vertically and slidably connected with a first longitudinal adjusting rod, and the upper end of the first longitudinal adjusting rod is vertically and slidably connected with a first microphone fixing support;
The second microphone fixing mechanism comprises a right transverse adjusting rod (12) vertically arranged at the right end of the right headrest inserting rod (11), the left end of the right transverse adjusting rod (12) is connected with the right headrest inserting rod (11) in a sliding mode, the right end of the right transverse adjusting rod is connected with the second longitudinal adjusting rod in a vertical sliding mode, and the upper end of the second longitudinal adjusting rod is vertically connected with a second microphone fixing support in a sliding mode;
The stabilizing mechanism comprises a left longitudinal guide rod (2), a right longitudinal guide rod (16) and a transverse guide rod (1), wherein the left longitudinal guide rod (2) is vertically connected between the left transverse adjusting rod (3) and the transverse guide rod (1), and the right longitudinal guide rod (16) is vertically connected between the right transverse adjusting rod (12) and the transverse guide rod (1).
2. The microphone holder for an in-vehicle noise test according to claim 1, characterized in that: the right end of the left transverse adjusting rod (3) is connected with a left vertical adjusting sleeve which is sleeved on the left headrest inserted rod (7) and can be vertically adjusted; the left end of the right transverse adjusting rod (12) is connected with a right vertical adjusting sleeve which is sleeved on the right headrest inserted rod (11) and can be vertically adjusted; all be provided with a through-hole one on left side vertical adjustment sleeve, the right vertical adjustment sleeve, and install left vertical positioning bolt (8) in the through-hole one on the left vertical adjustment sleeve, install right vertical positioning bolt (10) in the through-hole one on the right vertical adjustment sleeve.
3. The microphone holder for an in-vehicle noise test according to claim 1, characterized in that: the front end of the longitudinal adjusting rod I is connected with a transverse adjusting sleeve I which is sleeved on the left transverse adjusting rod (3) and can move transversely; the front end of the longitudinal adjusting rod II is connected with a transverse adjusting sleeve II which is sleeved on the right transverse adjusting rod (12) and can move transversely; the rear end of the left longitudinal guide rod (2) is connected with a transverse adjusting sleeve I sleeved on the left transverse adjusting rod (3), and the front end of the left longitudinal guide rod is connected with a transverse adjusting sleeve I sleeved on the transverse guide rod (1) in a three-phase manner; the rear end of the right longitudinal guide rod (16) is connected with a transverse adjusting sleeve II sleeved on the right transverse adjusting rod (12), and the front end of the right longitudinal guide rod is connected with a transverse adjusting sleeve IV sleeved on the transverse guide rod (1); all be provided with a through-hole two on horizontal adjusting sleeve one, horizontal adjusting sleeve two, horizontal adjusting sleeve three, the horizontal adjusting sleeve four, install horizontal positioning bolt one (4) in the through-hole two on the horizontal adjusting sleeve one, install horizontal positioning bolt two (13) in the through-hole two on the horizontal adjusting sleeve two, install horizontal positioning bolt three (21) in the through-hole two on the horizontal adjusting sleeve three, install horizontal positioning bolt four (17) in the through-hole two on the horizontal adjusting sleeve four.
4. The microphone holder for an in-vehicle noise test according to claim 1, characterized in that: the bottom end of a fixed support of the microphone is connected with a left longitudinal adjusting sleeve which is sleeved on the longitudinal adjusting rod I and can move longitudinally; the microphone II fixing support is connected with a right longitudinal adjusting sleeve which is sleeved on the longitudinal adjusting rod II and can move longitudinally; and a third through hole is formed in each of the left longitudinal adjusting sleeve and the right longitudinal adjusting sleeve, a left longitudinal positioning bolt (6) is installed in the third through hole in the left longitudinal adjusting sleeve, and a right longitudinal positioning bolt (15) is installed in the third through hole in the right longitudinal adjusting sleeve.
5. The microphone holder for an in-vehicle noise test according to claim 1, characterized in that: the microphone fixing device comprises a microphone and is characterized in that the microphone fixing support and the microphone fixing support are respectively composed of an upper fixing frame and a lower fixing frame, external threads are arranged at the upper end of the upper fixing frame, internal threads matched with the external threads of the upper fixing frame are arranged at the bottom end of the lower fixing frame, and the upper fixing frame is in threaded connection with the lower fixing frame.
6. the microphone holder for an in-vehicle noise test according to claim 1, characterized in that: the upper end of the first microphone fixing support is provided with a first groove for mounting a first microphone base, two opening ends of the first groove are respectively provided with a fourth through hole matched with a mounting hole at the bottom of the first microphone base, and the bottom end of the first microphone base is mounted in the first groove at the upper end of the first microphone fixing support through a positioning pin (23);
The upper end of the second microphone fixing support is provided with a second groove used for mounting a second microphone base, two opening ends of the second groove are respectively provided with a fifth through hole matched with the mounting hole at the bottom of the second microphone base, and the bottom end of the second microphone base is mounted in the second groove at the upper end of the second microphone fixing support through a positioning pin.
7. the microphone holder for an in-vehicle noise test according to claim 6, characterized in that: the microphone is characterized in that a first cylindrical fixing frame (5) used for fixing a first microphone (25) is vertically arranged at the upper end of the first microphone base, an opening is formed in the upper end of the first fixing frame (5), and two ends of the first fixing frame (5) are respectively arranged into inclined planes.
8. The microphone holder for an in-vehicle noise test according to claim 6, characterized in that: the upper end of the second microphone base is vertically provided with a second cylindrical fixing frame (14) for fixing the second microphone, the upper end of the second fixing frame (14) is provided with an opening, and two ends of the second fixing frame (14) are respectively provided with an inclined plane.
9. The microphone holder for an in-vehicle noise test according to claim 1, characterized in that: the stabilizing mechanism further comprises a left stabilizing rod (19) and a right stabilizing rod (9), wherein the front end of the left stabilizing rod (19) is connected with a transverse adjusting sleeve V sleeved on the transverse guide rod (1), and the rear end of the left stabilizing rod (19) is connected with a left vertical adjusting sleeve sleeved on the left headrest inserted link (7); the front end of the right stabilizer bar (9) is connected with a transverse adjusting sleeve (VI) sleeved on the transverse guide rod (1), and the rear end of the right stabilizer bar is connected with a right vertical adjusting sleeve sleeved on the right headrest inserted bar (11); and the transverse adjusting sleeve five and the transverse adjusting sleeve six are respectively provided with a through hole six, a left stabilizer bar fixing bolt (20) is installed in the through hole six on the transverse adjusting sleeve five, and a right stabilizer bar fixing bolt (18) is installed in the through hole six on the transverse adjusting sleeve six.
10. the microphone holder for an in-vehicle noise test according to claim 1, characterized in that: the left transverse adjusting rod (3), the right transverse adjusting rod (12), the first longitudinal adjusting rod and the second longitudinal adjusting rod are rod bodies with scales.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920977264.0U CN209787361U (en) | 2019-06-27 | 2019-06-27 | microphone bracket for noise test in vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920977264.0U CN209787361U (en) | 2019-06-27 | 2019-06-27 | microphone bracket for noise test in vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209787361U true CN209787361U (en) | 2019-12-13 |
Family
ID=68789153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920977264.0U Active CN209787361U (en) | 2019-06-27 | 2019-06-27 | microphone bracket for noise test in vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209787361U (en) |
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2019
- 2019-06-27 CN CN201920977264.0U patent/CN209787361U/en active Active
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