CN217470209U

CN217470209U - Microphone frame and vehicle

Info

Publication number: CN217470209U
Application number: CN202220734549.3U
Authority: CN
Inventors: 李宏庚; 曾晓琦; 侯兆平
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-09-20
Anticipated expiration: 2032-03-31

Abstract

The utility model provides a microphone frame and vehicle. The microphone stand comprises a headrest rod support, a microphone mounting support, a microphone clamp, a clamping knob and a positioning spinous process. Dovetail grooves are respectively formed in the top and the bottom of one end of the headrest rod support, a boss is arranged at one end, corresponding to the dovetail grooves of the headrest rod support, of the microphone mounting support, the microphone clamp is connected to the other end of the microphone mounting support, and the bosses are respectively clamped in the dovetail grooves formed in the top and the bottom to fix the microphone mounting support and change the mounting direction of the microphone frame. The microphone frame is combined with the top and the bottom of the dovetail groove respectively through the boss to change the installation direction of the microphone frame, so that the measurement positions of a left ear and a right ear are changed; the microphone stand can be folded quickly, so that the space is reduced and the microphone stand is convenient to carry; the microphone arm prevents the microphone arm and the microphone from sliding by means of the mounting pads and prevents the microphone from rotating by means of the mounting pads and the adjustably positioned spinous processes.

Description

Microphone frame and vehicle

Technical Field

The utility model relates to a support field, in particular to microphone frame and vehicle.

Background

NVH tests require microphones to be placed next to the ears of passengers such as drivers, and existing microphone fixing methods include: 1. the tape is attached to the seat 2, a complex microphone holder to hold the microphone. The problem of fixing the tape on the headrest of the seat includes: the position deviation of the microphone is large according to different sizes of the headrest; the microphone is far away from the standard position and does not meet the standard requirement; the microphone is greatly influenced by the sound field of the headrest; the adhesive tape is easy to peel off and change in position; tape stripping contaminates the test vehicle. Problems with complex microphone stands to hold the microphone include: the bracket is easy to slide and rotate, so that the use and test precision is influenced; the bracket has large size and heavy weight, and is inconvenient to carry; the bracket has a complex structure and is easy to damage; the support is complex to install and troublesome to adjust; some stents do not allow for simultaneous testing of the left and right ears.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a microphone stand. The microphone stand comprises a headrest rod support, a microphone mounting support, a microphone clamp, a clamping knob and a positioning spinous process. The microphone frame is combined with the top and the bottom of the dovetail groove respectively through the bosses to change the mounting direction of the microphone frame, so that the measurement positions of a left ear and a right ear are changed; the microphone stand can be folded quickly, so that the space is reduced and the microphone stand is convenient to carry; the microphone stand prevents the microphone stand and microphone from slipping by adding mounting pads of high friction rubber material and prevents the microphone from rotating by the combined action of the mounting pads and the adjustably positioned spinous processes.

An object of the utility model is also to provide a vehicle.

For realizing the purpose of the utility model, the utility model adopts the following technical scheme:

according to an aspect of the present invention, there is provided a microphone stand. The microphone stand comprises a headrest rod support, a microphone mounting support, a microphone clamp, a clamping knob and a positioning spinous process. The top and the bottom of one end of the headrest rod support are respectively provided with a dovetail groove, one end of the microphone mounting support corresponding to the dovetail grooves of the headrest rod support is provided with a boss, and the microphone clamp is connected to the other end of the microphone mounting support; the bosses are respectively clamped in the dovetail grooves at the top and the bottom to fix the microphone mounting bracket and change the mounting direction of the microphone frame.

According to an embodiment of the present invention, the other end of the microphone mounting bracket is provided with a groove to divide the end of the microphone mounting bracket into a first side plate and a second side plate, and corresponding positions inside the first side plate and the second side plate are both provided with a boss, a corresponding position outside the boss is provided with a first hobbing, the microphone clamp is provided with a second through hole corresponding to the boss, and a second hobbing is provided outside the second through hole corresponding to the first hobbing; the circular boss is inserted into the second through hole to support the microphone clamp, and the first gear hobbing and the second gear hobbing are in dislocation fit to adjust the angle of the microphone clamp and limit the rotation of the microphone clamp.

According to the utility model discloses an embodiment, wherein, first keeping silent has been seted up to the other end of headrest pole support, the inboard symmetry of first keeping silent sets up two headrest pole support mounting pads.

According to the utility model discloses an embodiment, wherein, the second is kept silent to the other end that the microphone pressed from both sides, the inboard symmetry that the second was kept silent sets up two microphone and presss from both sides the mounting pad.

According to the utility model discloses an embodiment, wherein, first inboard of keeping silent, the recess with U type narrow groove has all been seted up to the downside that the second kept silent, U type narrow groove contracts and expands under the effect of external force, the scope of contracting and expanding is 2 mm.

According to the utility model discloses an embodiment, wherein, the microphone frame still includes the tight knob of clamp, the tight knob rotation end of clamp is a style of calligraphy knob, first through-hole has been seted up to first curb plate, first screw thread through-hole has been seted up to the second curb plate, the tight knob of clamp passes first through-hole first screw thread through-hole with the second through-hole is screwed up the microphone presss from both sides with the microphone installing support.

According to the utility model discloses an embodiment, wherein, the microphone stand is still including fixing a position the spinous process, fix a position the spinous process and include the bolt and be fixed in the ratchet in the nut outside of bolt, the ratchet be a plurality of and evenly arrange in on the nut, the nut is provided with two round platform body archs so that manual installation in circumference outside symmetry.

According to an embodiment of the present invention, wherein the headrest rod support and the microphone mounting support are respectively provided with a plurality of windows to reduce the weight.

According to another aspect of the present invention, a vehicle is provided. The vehicle comprises the microphone stand, the microphone and the seat, wherein the seat comprises a headrest rod and a backrest; the microphone is mounted on the microphone clamp mounting pad, the headrest rod is mounted on the headrest rod support mounting pad, a third through hole and a second threaded through hole are respectively formed in two sides of a U-shaped narrow groove of the headrest rod support, the headrest rod support and the headrest rod are screwed tightly after a clamping knob penetrates through the third through hole, the U-shaped narrow groove and the second threaded through hole, the third threaded through hole is vertically formed in the middle of the headrest rod support, and a ratchet for positioning a spinous process is screwed into the third threaded through hole after propping against the backrest.

According to another embodiment of the present invention, wherein the horizontal distance between the microphone clip and the headrest rod is 135 mm.

The utility model provides an embodiment has following advantage or beneficial effect:

the microphone stand of the utility model comprises a headrest rod support, a microphone mounting support, a microphone clamp, a clamping knob and a positioning spinous process. The microphone frame is combined with the top and the bottom of the dovetail groove respectively through the bosses to change the mounting direction of the microphone frame, so that the measurement positions of a left ear and a right ear are changed; the boss of the microphone stand is detachably connected with the dovetail groove, so that the microphone stand can be quickly folded, the space is reduced, the microphone stand is convenient to carry and is convenient to combine when in use; the microphone frame prevents the microphone frame and the microphone from sliding by adding the mounting pad made of high-friction rubber material, and prevents the microphone from rotating by the combined action of the mounting pad and the adjustable positioning spinous process, so that the microphone is ensured to be stable in position; the microphone boom can be mounted manually without tools.

Drawings

The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

Figure 1 is a partial schematic view of a microphone boom shown according to an exemplary embodiment.

Figure 2 is an exploded view of a microphone boom shown according to an exemplary embodiment.

Figure 3 is a schematic diagram illustrating the assembly of a microphone boom with a seat according to an exemplary embodiment.

Figure 4 is a schematic view of a folded microphone boom according to an exemplary embodiment.

Figure 5 is another partial view of a microphone boom shown in accordance with an exemplary embodiment.

Fig. 6 is a partial schematic view of a headrest rod support shown in accordance with an exemplary embodiment.

Wherein the reference numerals are as follows:

1. a headrest pole support; 11. a dovetail groove; 12. a headrest rod support mounting pad; 13. a first jaw; 14. a second threaded through hole; 15. a third threaded through hole; 2. a microphone mounting bracket; 21. a boss; 22. a groove; 221. a first side plate; 222. a second side plate; 2221. a first threaded through hole; 223. a first hobbing; 3. a microphone clip; 31. a second through hole; 32. second hobbing; 33. a second jaw; 331. a U-shaped narrow groove; 34. a microphone clip mounting pad; 4. clamping the knob; 5. positioning the spinous process; 51. a bolt; 52. a ratchet; 53. the circular truncated cone is convex; 6. a microphone; 7. a seat; 71. a headrest pole; 72. a backrest.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

The terms "a," "an," "the," "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.

As shown in fig. 1 to 6, fig. 1 is a partial schematic view of a microphone boom provided by the present invention. Figure 2 shows an exploded view of a microphone boom according to the present invention. Figure 3 shows a schematic view of the assembly of a microphone boom with a seat according to the present invention. Fig. 4 shows a folding schematic view of a microphone boom provided by the present invention. Figure 5 shows another partial view of a microphone boom according to the present invention. Fig. 6 shows a partial schematic view of a headrest rod support provided by the present invention.

The utility model discloses microphone frame includes headrest pole support 1, microphone installing support 2, microphone clamp 3, presss from both sides tight knob 4 and location spinous process 5. The top and the bottom of one end of the headrest rod support 1 are respectively provided with a dovetail groove 11, one end of the microphone mounting support 2 corresponding to the headrest rod support dovetail groove 11 is provided with a boss 21, and the microphone clamp 3 is connected to the other end of the microphone mounting support 2; the bosses 21 are respectively clamped in the dovetail grooves 11 at the top and the bottom to fix the microphone mounting bracket 2 and change the mounting direction of the microphone stand.

As shown in fig. 1 and 4, the microphone arm is preferably formed by 3D printing and is made of a high-rigidity polymer material, preferably engineering resin, so that the weight of the microphone arm is less than 100g and much less than 300g to 500g of steel, and the microphone arm has high reliability. The lateral surface of the dovetail groove 11 is preferably rectangular, the bottom surface is preferably triangular, the boss 21 is arranged corresponding to the shape and size of the dovetail groove 11 so as to be clamped in the dovetail groove 11, and the microphone stand is designed by bidirectional positioning of the dovetail groove 11, so that the headrest rod support 1 and the microphone mounting support 2 are combined in different directions, and further, the measurement positions of a left ear and a right ear are changed; the microphone frame is used on the left and right without interference, so that double-ear sound measurement can be realized, and hardware support is provided for analyzing the NVH of the automobile from a single ear sound field to a double-ear sound field and analyzing sound quality; the boss 21 of the microphone mounting bracket is detachably connected with the dovetail groove 11 of the headrest rod bracket, so that the microphone frame can be quickly folded, the space is reduced, the microphone frame is convenient to carry, and the microphone frame is convenient to combine when in use.

In a preferred embodiment of the present invention, the other end of the microphone mounting bracket 2 is provided with a groove 22 to divide the end of the microphone mounting bracket 2 into a first side plate 221 and a second side plate 222, and the corresponding positions inside the first side plate 221 and the second side plate 222 are both provided with a circular boss, the corresponding position outside the circular boss is provided with a first hobbing 223, the microphone clamp 3 is provided with a second through hole 31 corresponding to the circular boss, and the outside of the second through hole 31 is provided with a second hobbing 32 corresponding to the first hobbing 223; wherein, the round boss is inserted into the second through hole 31 to support the microphone clamp 3, and the first gear hobbing 223 and the second gear hobbing 32 are in dislocation fit to adjust the angle of the microphone clamp 3 and limit the rotation of the microphone clamp 3.

As shown in fig. 2, the first side plate 221 and the second side plate 222 are preferably U-shaped plates, the first gear wheel 223 and the second gear wheel 32 are provided with at least three gear wheels, the number of the gear wheels is the same, the gear wheels are arranged in a staggered manner, the gear wheels are used for adjusting the angle, the locked position is increased, the angle rotation is prevented, and the circular boss is equivalent to a shaft, so that the second through hole 31 is sleeved on the circular boss to axially position the microphone clamp 3.

In a preferred embodiment of the present invention, the other end of the headrest rod support 1 is opened with a first jaw 13, and two headrest rod support mounting pads 12 are symmetrically disposed inside the first jaw 13.

As shown in fig. 5, the first jaw 13 is preferably a notched through hole type, and the headrest pole support mounting pad 12 is preferably a high friction rubber material, and is preferably symmetrically glued to the inside of the first jaw 13.

In a preferred embodiment of the present invention, the other end of the microphone clamp 3 is opened with a second jaw 33, and two microphone clamp mounting pads 34 are symmetrically disposed on the inner side of the second jaw 33.

As shown in fig. 5, the second jaw 33 is preferably a notched through hole type, and the microphone clamp mounting pad 34 is preferably a high friction rubber material, and is preferably symmetrically glued to the inside of the second jaw 33.

In a preferred embodiment of the present invention, the inner side of the first jaw 13, the groove 22 and the lower side of the second jaw 33 are both provided with a U-shaped narrow groove 331, the U-shaped narrow groove 331 contracts and expands under the action of external force, and the range of contraction and expansion is 2 mm.

The U-shaped narrow groove 331 is preferably a through groove, is arranged among the first jaw 13, the groove 22 and the second jaw 33 and forms a Y-shaped structure with the first jaw, the groove 22 and the second jaw respectively, the U-shaped narrow groove 331 achieves the function of elastic clamping, the clamping knob 4 is screwed into the threaded hole to achieve contraction and expansion, and the range of the contraction and expansion is 2 mm.

In a preferred embodiment of the present invention, the microphone stand further includes a clamping knob 4, the rotating end of the clamping knob 4 is a linear knob, the first side plate 221 has a first through hole, the second side plate 222 has a first threaded through hole 2221, and the clamping knob 4 passes through the first through hole, the first threaded through hole 2221 and the second through hole 31 to tighten the microphone clamp 3 and the microphone mounting bracket 2.

As shown in fig. 2, the in-line knob facilitates manual tightening of the clamping knob 4, and the second side plate 222 is provided with a projection outwardly to increase the length of the first threaded through hole 2221, thereby enabling the clamping knob 4 to tighten the microphone clamp 3 and the microphone mounting bracket 2 more firmly.

In a preferred embodiment of the present invention, the microphone frame further comprises a positioning spinous process 5, the positioning spinous process 5 comprises a bolt 51 and a ratchet 52 fixed on the outer side of the nut of the bolt 51, the ratchet 52 is a plurality of and evenly arranged on the nut, and the nut is symmetrically provided with two truncated cone protrusions 53 on the outer side of the circumference for facilitating manual installation.

As shown in fig. 6, the ratchet teeth 52 are preferably 6 and arranged annularly on the nut, and the two frustum-shaped protrusions 53 are preferably hexagonal and rounded at their ends to facilitate manual installation.

In a preferred embodiment of the present invention, the headrest rod support 1 and the microphone mounting support 2 are respectively provided with a plurality of windows to reduce the weight.

Wherein, the window is preferably a hexagonal window and is regularly opened.

The vehicle of the embodiment of the present invention comprises the aforementioned microphone stand, microphone 6, and seat 7, where the seat 7 comprises headrest rod 71 and backrest 72; the microphone 6 is mounted on the microphone clamp mounting pad 34, the headrest rod 71 is mounted on the headrest rod support mounting pad 12, a third through hole and a second threaded through hole 14 are respectively formed in two sides of a U-shaped narrow groove 331 of the headrest rod support 1, the headrest rod support 1 and the headrest rod 71 are screwed down after the clamping knob 4 penetrates through the third through hole, the U-shaped narrow groove 331 and the second threaded through hole 14, a third threaded through hole 15 is vertically formed in the middle of the headrest rod support 1, and the ratchet 52 for positioning the spinous processes is screwed into the third threaded through hole 15 after propping against the backrest 72.

As shown in fig. 3, since the microphone clamp mounting pads 34 and the headrest rod support mounting pads 12 are deformable, the microphone 6 and the headrest rod support 1 are respectively interference-mounted on the microphone clamp mounting pads 34 and the headrest rod support mounting pads 12, the microphone 6 and the headrest rod support 1 respectively press the microphone clamp mounting pads 34 and the headrest rod support mounting pads 12 to provide friction to prevent the microphone 6 and the headrest rod support 1 from sliding, and the microphone support prevents the microphone 6 from rotating by the combined action of the mounting pads and the adjustable positioning spinous processes 5, so as to ensure the microphone 6 to be stable in position and improve the test consistency.

In another preferred embodiment of the present invention, the horizontal distance between the microphone clip 3 and the headrest rod 71 is 135 mm.

As shown in fig. 3, the horizontal distance between the microphone clamp 3 and the headrest rod 71 is 135mm, so that the microphone is far away from the headrest rod 71 and the headrest, the influence of the headrest on the microphone 6 is reduced, the reliability of test data is improved, and the microphone position is ensured to be within the tolerance range required by the standard position.

The microphone stand of the utility model comprises a headrest rod support 1, a microphone mounting support 2, a microphone clamp 3, a clamping knob 4 and a positioning spinous process 5. The microphone frame is combined with the top and the bottom of the dovetail groove 11 through the bosses 21 respectively to change the mounting direction of the microphone frame, so that the measurement positions of a left ear and a right ear are changed; the boss 21 of the microphone stand is detachably connected with the dovetail groove 11, so that the microphone stand can be quickly folded, the space is reduced, the microphone stand is convenient to carry and is convenient to combine when in use; the microphone frame prevents the microphone frame and the microphone 6 from sliding by adding a mounting pad made of high-friction rubber material, and prevents the microphone 6 from rotating by the combined action of the mounting pad and the adjustable positioning spinous process 5, so that the microphone 6 is ensured to be stable; the microphone boom can be mounted manually without tools.

In the embodiments of the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In the description of the embodiments of the present invention, it should be understood that the terms "upper" and "lower" are used for indicating the position or the positional relationship based on the position or the positional relationship shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but not for indicating or implying that the indicated device or unit must have a specific direction, be constructed and operated in a specific position, and thus, should not be construed as limiting the embodiments of the present invention.

In the description herein, the description of the terms "one embodiment," "a preferred embodiment," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.

Claims

1. A microphone boom, comprising:

the headrest rod support comprises a headrest rod support (1), wherein a dovetail groove (11) is formed in the top and the bottom of one end of the headrest rod support (1) respectively;

the microphone mounting bracket (2), the microphone mounting bracket (2) is provided with a boss (21) corresponding to one end of the headrest rod bracket dovetail groove (11);

the microphone clamp (3), the said microphone clamp (3) is connected to another end of the said microphone mounting bracket (2);

the bosses (21) are respectively clamped in the dovetail grooves (11) at the top and the bottom to fix the microphone mounting bracket (2) and change the mounting direction of the microphone rack.

2. A microphone stand according to claim 1, wherein the other end of the microphone mounting bracket (2) is provided with a groove (22) to divide the end of the microphone mounting bracket (2) into a first side plate (221) and a second side plate (222), the first side plate (221) and the second side plate (222) are provided with round bosses at corresponding inner sides, the round bosses are provided with first hobbing teeth (223) at corresponding outer sides, the microphone clamp (3) is provided with a second through hole (31) corresponding to the round bosses, and the second through hole (31) is provided with second hobbing teeth (32) at corresponding outer sides of the first hobbing teeth (223);

the round boss is inserted into the second through hole (31) to support the microphone clamp (3), and the first gear hobbing (223) and the second gear hobbing (32) are in staggered fit to adjust the angle of the microphone clamp (3) and limit the rotation of the microphone clamp (3).

3. A microphone arm according to claim 2, characterized in that the other end of the headrest rod support (1) is provided with a first jaw (13), and two headrest rod support mounting pads (12) are symmetrically arranged inside the first jaw (13).

4. A microphone boom according to claim 3, characterized in that the other end of the microphone clamp (3) is provided with a second jaw (33), and two microphone clamp mounting pads (34) are symmetrically arranged inside the second jaw (33).

5. A microphone boom according to claim 4, characterized in that the inside of the first jaw (13), the recess (22) and the underside of the second jaw (33) are each provided with a U-shaped slot (331), and the U-shaped slot (331) contracts and expands under the action of external force, and the contraction and expansion ranges are 2 mm.

6. A microphone boom according to claim 5, further comprising: the clamping knob (4), the rotating end of the clamping knob (4) is a linear knob, a first through hole is formed in the first side plate (221), a first thread through hole (2221) is formed in the second side plate (222), and the clamping knob (4) penetrates through the first through hole, the first thread through hole (2221) and the second through hole (31) to be screwed down to form the microphone clamp (3) and the microphone mounting support (2).

7. A microphone boom according to claim 1, further comprising: the positioning spinous process (5) comprises a bolt (51) and ratchets (52) fixed on the outer side of a nut of the bolt (51), the ratchets (52) are multiple and uniformly arranged on the nut, and two truncated cone bulges (53) are symmetrically arranged on the outer side of the circumference of the nut so as to facilitate manual installation.

8. A microphone boom according to claim 1, characterized in that the headrest rod support (1) and the microphone mounting support (2) are each provided with a plurality of windows to reduce weight.

9. A vehicle, characterized by comprising:

a microphone boom as claimed in any of claims 1-8;

a microphone (6); and

a seat (7) including a headrest rod (71) and a backrest (72);

the microphone (6) is mounted on a microphone clamp mounting pad (34), the headrest rod (71) is mounted on a headrest rod support mounting pad (12), a third through hole and a second threaded through hole (14) are respectively formed in two sides of a U-shaped narrow groove (331) of a headrest rod support (1), a clamping knob (4) penetrates through the third through hole, the U-shaped narrow groove (331) and the second threaded through hole (14) and then is screwed down on the headrest rod support (1) and the headrest rod (71), a third threaded through hole (15) is vertically formed in the middle of the headrest rod support (1), and a ratchet (52) for positioning a spinous process is screwed into the third threaded through hole (15) after propping against the backrest (72).

10. Vehicle according to claim 9, characterized in that the horizontal distance between a microphone clip (3) and the headrest rod (71) is 135 mm.