CN217804567U

CN217804567U - Noise measurer fixing jig for vehicle

Info

Publication number: CN217804567U
Application number: CN202222133873.2U
Authority: CN
Inventors: 刘崴; 杜鹏; 黄丹凡
Original assignee: GAC Toyota Motor Co Ltd
Current assignee: GAC Toyota Motor Co Ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2022-11-15
Anticipated expiration: 2032-08-12

Abstract

The utility model discloses a tool is fixed to noise measurement ware of vehicle, wherein, the vehicle has the headrest support, and the headrest support encloses into there being the cavity. The noise measurer fixing jig comprises a guide rod, an adjusting assembly and a mounting assembly, wherein the adjusting assembly comprises an adjusting part and two abutting arms arranged at intervals, first ends of the two abutting arms are respectively connected to two ends of the adjusting part, second ends of the two abutting arms are far away from the adjusting part and used for extending into the cavity, and the position between two ends of each abutting arm is slidably mounted on the guide rod; the mounting assembly comprises a support column, a movable column and a mounting seat, the support column is slidably mounted on the guide rod and is arranged at intervals with the adjusting assembly, the movable column is slidably mounted on the support column, and the mounting seat is slidably mounted on the movable column. When measuring the other noise of ear when driving vehicle driver, usable the utility model discloses the position of noise measurement ware is adjusted to the fixed tool of noise measurement ware to it is accurate to guarantee the position of noise measurement ware.

Description

Noise measurer fixing jig for vehicle

Technical Field

The utility model relates to a tool technical field, in particular to fixed tool of noise measurement ware of vehicle.

Background

According to national standard requirements, after a vehicle is manufactured, the noise beside the ear when a vehicle driver drives needs to be measured, and the position of the noise measuring instrument is required to be 0.7m +/-0.05 m from the center of the end face of a microphone of the noise measuring instrument to a cushion and 0.2m +/-0.02 m from the center of the end face of the microphone to the center of a headrest. The existing measurement mode is that an artificial handheld noise measurer is placed beside the ear of a driver for measurement, but the measurement mode of the artificial handheld noise measurer cannot ensure that the measurement position is accurate, so that errors can be generated, in addition, a person is required to keep still during the measurement, and the manual measurement can cause discomfort on the hand for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tool is fixed to noise measurement ware of vehicle aims at solving among the prior art unable assurance of the artifical handheld noise measurement ware measuring mode and measures the position accuracy to can produce the error, and, need the people to keep motionless during the measurement, artifical long-time measurement probably causes the uncomfortable technical problem of hand.

In order to achieve the above object, the utility model provides a tool is fixed to noise measurement ware of vehicle, the vehicle has the headrest support, the headrest support encloses into there is the cavity, the tool is fixed to the noise measurement ware includes:

a guide bar;

the adjusting component comprises an adjusting piece and two abutting arms arranged at intervals, the first ends of the two abutting arms are connected to two ends of the adjusting piece respectively, the second ends of the two abutting arms are far away from the adjusting piece and are used for extending into the cavity, the position between two ends of each abutting arm can be slidably mounted on the guide rod, and the adjusting piece is used for driving the two abutting arms to back against each other or slide in opposite directions so as to correspondingly enable the two abutting arms to abut against or loosen the headrest support;

the mounting assembly comprises a supporting column, a movable column and a mounting seat, the supporting column is slidably mounted on the guide rod and is arranged at intervals with the adjusting assembly, the movable column is slidably mounted on the supporting column, and the mounting seat is slidably mounted on the movable column and is used for mounting the noise measurer.

Optionally, a screw rod is arranged at the first end of each abutting arm, the adjusting piece is an adjusting sleeve, threads are arranged on the inner wall of the adjusting sleeve, the two screw rods extend into the adjusting sleeve and are in threaded fit with the adjusting sleeve, and the thread turning directions of the two screw rods are opposite.

Optionally, the guide rod extends along an X direction, the two abutting arms are arranged at intervals along the X direction, each abutting arm extends along a Y direction, a sliding sleeve is arranged between two ends of each abutting arm, and the sliding sleeve is slidably sleeved outside the guide rod.

Optionally, a flexible pad is disposed at a second end of each of the abutting arms, and a groove for abutting against the headrest bracket is formed in the flexible pad.

Alternatively,

the strut extends along the Z direction, a first sliding ring is arranged at one end of the strut, the first sliding ring is slidably sleeved on the guide rod, and the strut can slide along the X direction of the guide rod;

the movable column extends along the Y direction, a second sliding ring is arranged at one end of the movable column, the second sliding ring is slidably sleeved on the supporting column, and the movable column can slide along the Z direction of the supporting column;

the mounting seat is provided with a through hole, the movable column penetrates through the through hole and is in sliding fit with the mounting seat, and the mounting seat can slide along the Y direction of the movable column.

Optionally, a first threaded hole corresponding to the guide rod is formed in the first slip ring, and the mounting assembly further includes a first locking bolt, and the first locking bolt is in threaded fit with the first threaded hole, so that the guide rod and the first slip ring are locked or unlocked.

Optionally, a second threaded hole corresponding to the pillar is formed in the second slip ring, the mounting assembly further includes a second locking bolt, and the second locking bolt is in threaded fit with the second threaded hole, so that the pillar and the second slip ring are locked or unlocked.

Optionally, a third threaded hole corresponding to the movable column is formed in the mounting seat, the mounting assembly further comprises a third locking bolt, and the third locking bolt is in threaded fit with the third threaded hole, so that the movable column is locked or unlocked with the mounting seat.

Optionally, the mounting groove has been seted up to the one end of mount pad, the mounting groove includes installation department and locking portion, the installation department is used for the installation the noise measurement ware, locking portion will the elastic locking piece that two intervals set up is cut apart into to the mount pad, be provided with the retaining member on the mount pad, the retaining member is used for making two the elastic locking piece is close to each other or keeps away from, in order to incite somebody to action the noise measurement ware presss from both sides tightly or unclamps.

Optionally, one of the elastic locking piece has a fourth threaded hole, and the other elastic locking piece has a mounting hole corresponding to the fourth threaded hole, and the locking member is a fourth locking bolt passing through the mounting hole and in threaded engagement with the fourth threaded hole.

The utility model discloses fixed tool of noise measurement ware is when using, adjusts earlier that the regulating part drives two and supports tight arm and stretch into the cavity of headrest support after sliding in opposite directions, and reverse adjustment regulating part drives two and supports tight arm back of the body motion so that two support tight arm and headrest support and support tightly again, and the fixed tool of noise measurement ware is fixed on the headrest support this moment. And then the positions of the support column, the movable column and the mounting seat are adjusted according to the position requirement of the noise measurer, so that the position of the noise measurer mounted on the mounting seat meets the measurement requirement. When measuring the other noise of ear when driving vehicle driver, usable the utility model discloses the position of noise measurement ware is adjusted to the fixed tool of noise measurement ware to guarantee that the position of noise measurement ware is accurate, avoid because the inaccurate and error that produces in position, improved the reliability of test result. Moreover, the adjusting assembly can realize fixing on the headrest bracket to replace a manual handheld noise measurer measurement mode, the problem of hand discomfort caused by manual long-time measurement is solved, and the manual labor intensity is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of a fixing jig for a noise measuring device of a vehicle according to an embodiment of the present invention;

fig. 2 is an assembly view of the fixing jig for a noise measuring device of a vehicle according to an embodiment of the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a tool 100 is fixed to noise measurement ware 300 of vehicle.

In one embodiment, the vehicle has a headrest bracket 200, the headrest bracket 200 enclosing a cavity 2001. The fixing jig 100 for the noise measurer 300 comprises a guide rod 10, an adjusting assembly 20 and a mounting assembly 30, wherein the adjusting assembly 20 is provided with an adjusting part 21 and two abutting arms 22 arranged at intervals, first ends of the two abutting arms 22 are respectively connected to two ends of the adjusting part 21, second ends of the two abutting arms 22 are far away from the adjusting part 21 and used for extending into the cavity 2001, a position between two ends of each abutting arm 22 is slidably mounted on the guide rod 10, and the adjusting part 21 is used for driving the two abutting arms 22 to slide back to back or in opposite directions so as to enable the two abutting arms 22 to abut against or loosen the headrest bracket 200 correspondingly; the mounting assembly 30 includes a support post 31, a movable post 32, and a mounting seat 33, the support post 31 being slidably mounted to the guide bar 10 and spaced apart from the adjustment assembly 20, the movable post 32 being slidably mounted to the support post 31, and the mounting seat 33 being slidably mounted to the movable post 32 and serving to mount the noise measurer 300.

As shown in fig. 1 and 2, the two abutting arms 22 are arranged at left and right intervals, the front ends of the two abutting arms 22 are respectively connected to two ends of the adjusting member 21, and the rear ends of the two abutting arms 22 are far away from the adjusting member 21 and are used for extending into the cavity 2001. The utility model discloses fixed tool 100 of noise measurement ware 300 is when using, adjusts earlier regulating part 21 and drives two and support tight arm 22 and stretch into headrest support 200's cavity 2001 after sliding in opposite directions, and reverse adjustment regulating part 21 drives two and supports tight arm 22 back of the body motion so that two support tight arm 22 and headrest support 200 and support tightly again, and noise measurement ware 300 is fixed tool 100 and is fixed on headrest support 200 this moment. The positions of the support column 31, the movable column 32 and the mounting seat 33 are adjusted according to the position requirement of the noise measuring device 300, so that the position of the noise measuring device 300 mounted on the mounting seat 33 meets the measurement requirement.

When measuring the other noise of ear when driving vehicle driver, usable the utility model discloses noise measurement ware 300 fixes tool 100 and comes the position of adjusting noise measurement ware 300 to guarantee that noise measurement ware 300's position is accurate, avoid because the inaccurate and error that produces in position, improved measuring result's reliability. Moreover, the adjusting component 20 can be fixed on the headrest bracket 200, so that the manual measurement mode of the handheld noise measurer 300 is replaced, the problem of hand discomfort caused by manual long-time measurement is solved, and the labor intensity of workers is reduced.

In an embodiment, a screw 221 is disposed at a first end of each abutting arm 22, the adjusting member 21 is an adjusting sleeve 21a, an inner wall of the adjusting sleeve 21a has threads, both the screws 221 extend into the adjusting sleeve 21a and are in threaded engagement with the adjusting sleeve 21a, and the thread directions of the screws 221 are opposite. The front end of each abutting arm 22 is provided with a screw 221 and is in threaded fit with the adjusting sleeve 21a, and the thread directions of the two screws 221 are opposite, that is, when the adjusting sleeve 21a is rotated, the moving directions of the two screws 221 are opposite. The two tight arms 22 that support can be realized driving through forward or reverse rotation adjusting sleeve 21a and carried on the back mutually or slide in opposite directions, structural design is more reasonable to, two front ends that support tight arm 22 all are provided with screw rod 221, it is higher to drive two tight arms 22 that support to carry on the back mutually or the gliding efficiency in opposite directions through adjusting sleeve 21a, improves the convenience in use of noise measurement fixer tool 100.

In an embodiment, the guide rod 10 extends along the X direction, the two abutting arms 22 are arranged at intervals along the X direction, each abutting arm 22 extends along the Y direction, a sliding sleeve 222 is arranged between two ends of each abutting arm 22, and the sliding sleeve 222 is slidably sleeved outside the guide rod 10.

In the present invention, the X direction is the left-right direction as shown in fig. 1 and 2, the Y direction is the front-back direction as shown in fig. 1 and 2, and the Z direction is the up-down direction as shown in fig. 1 and 2. The guide rod 10 extends along the left-right direction, and the two abutting arms 22 can back on the back or slide in opposite directions along the left-right direction through the sliding sleeve 222 which is arranged in sliding fit with the guide rod 10, so that the abutting arms can abut against the headrest support 200, the noise measurer 300 is fixed on the headrest support 200, and the structural design is reasonable.

In one embodiment, a flexible pad 223 is disposed at a second end of each abutting arm 22, and the flexible pad 223 is opened with a groove 2231 for abutting against the headrest bracket 200. Each rear end of abutting against arm 22 is provided with flexible protection pad 223, and flexible protection pad 223 can play the guard action to headrest support 200, and flexible protection pad 223 is seted up and is used for the recess 2231 with headrest support 200 butt, can increase the area of contact with headrest support 200 for the fixed tool 100 of noise measurement ware 300 can be fixed on headrest support 200 more stably, has improved the reliability in utilization of the fixed tool 100 of noise measurement ware 300.

In an embodiment, the pillar 31 extends along the Z direction, one end of the pillar 31 is provided with a first sliding ring 311, the first sliding ring 311 is slidably sleeved on the guiding rod 10, and the pillar 31 can slide along the guiding rod 10X direction; the movable column 32 extends along the Y direction, one end of the movable column 32 is provided with a second sliding ring 321, the second sliding ring 321 is slidably sleeved on the support column 31, and the movable column 32 can slide along the Z direction of the support column 31; the mounting seat 33 has a through hole, the movable column 32 passes through the through hole and is in sliding fit with the mounting seat 33, and the mounting seat 33 can slide along the direction of the movable column 32Y.

As shown in fig. 1, the support post 31 extends in the up-down direction, the lower end of the support post 31 is provided with a first sliding ring 311, and the first sliding ring 311 is slidably sleeved on the guide rod 10, so that the support post 31 can slide left and right along the guide rod 10. The movable column 32 extends in the front-back direction, a second slip ring 321 is disposed at the front end of the movable column 32, and the second slip ring 321 is slidably sleeved on the support column 31, so that the movable column 32 can slide up and down along the support column 31. The mounting seat 33 is in sliding fit with the movable column 32, so that the mounting seat 33 can slide back and forth along the movable column 32. By arranging the first slip ring 311, the second slip ring 321 and the through holes, the positions of the noise measuring device 300 installed in the installation seat 33 in the vertical, left-right and front-back directions can be adjusted, the position requirement of the noise measuring device 300 can be accurately met, and the use reliability of the fixing jig 100 of the noise measuring device 300 is improved.

In an embodiment, the first sliding ring 311 has a first threaded hole 3111 corresponding to the guide rod 10, and the mounting assembly 30 further includes a first locking bolt, and the first locking bolt is threadedly engaged with the first threaded hole 3111 to lock or unlock the guide rod 10 and the first sliding ring 311. Through setting up first lock bolt and the first screw hole 3111 of screw-thread fit, realize first sliding ring 311 and guide bar 10 locking or unblock, with first sliding ring 311 and guide bar 10 locking after adjusting the position, avoid producing measuring error because pillar 31 displacement, further improved the use reliability of the fixed tool 100 of noise measurement ware 300.

In an embodiment, the second sliding ring 321 is provided with a second threaded hole 3211 corresponding to the pillar 31, and the mounting assembly 30 further includes a second locking bolt, which is in threaded engagement with the second threaded hole 3211, so as to lock or unlock the pillar 31 and the second sliding ring 321. Through setting up screw-thread fit's second locking bolt and second screw hole 3211, realize that second sliding ring 321 and pillar 31 lock or unblock, with second sliding ring 321 and pillar 31 locking after the position has been adjusted, avoid producing measuring error because of the displacement of activity post 32, further improved the use reliability of the fixed tool 100 of noise measurement ware 300.

In an embodiment, the mounting seat 33 is provided with a third threaded hole corresponding to the movable column 32, and the mounting assembly 30 further includes a third locking bolt 331, wherein the third locking bolt 331 is in threaded engagement with the third threaded hole, so as to lock or unlock the movable column 32 and the mounting seat 33. Through setting up screw-thread fit's third locking bolt 331 and third screw hole, realize mount pad 33 and activity post 32 locking or unblock, with mount pad 33 and activity post 32 locking after the adjustment position, avoid producing measuring error because mount pad 33 displacement, further improved the use reliability of the fixed tool 100 of noise measurement ware 300.

In an embodiment, one end of the mounting seat 33 is provided with a mounting groove 332, the mounting groove 332 includes a mounting portion 3321 and a locking portion 3322, the mounting portion 3321 is used for mounting the noise measuring device 300, the locking portion 3322 divides the mounting seat 33 into two elastic locking pieces 333 arranged at an interval, a locking member 334 is arranged on the mounting seat 33, and the locking member 334 is used for enabling the two elastic locking pieces 333 to approach or separate from each other so as to clamp or release the noise measuring device 300. As shown in fig. 1, the locking portion 3322 divides the mounting base 33 into two elastic locking pieces 333 which are arranged at an interval from top to bottom, and after the noise measuring device 300 is mounted, the locking member 334 is adjusted to clamp the noise measuring device 300, so as to avoid measuring errors caused by displacement of the noise measuring device 300, and further improve the reliability of the fixing jig 100 of the noise measuring device 300.

Furthermore, one of the elastic locking pieces 333 is provided with a fourth threaded hole, the other elastic locking piece 333 is provided with a mounting hole corresponding to the fourth threaded hole, the locking member 334 is a fourth locking bolt 334a, and the fourth locking bolt 334a passes through the mounting hole and is in threaded fit with the fourth threaded hole. The elastic locking piece 333 of below has seted up the fourth screw hole, and the elastic locking piece 333 of top has seted up the mounting hole, and fourth locking bolt 334a passes the mounting hole and with fourth screw hole screw-thread fit from the top, can realize making two elastic locking pieces 333 be close to each other or keep away from through forward or reverse rotation fourth locking bolt 334a, and structural design is reasonable.

The above is only the optional embodiment of the present invention, and not therefore the limit to the patent scope of the present invention, all the concepts of the present invention utilize the equivalent structure transformation of the content of the specification and the attached drawings, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. The utility model provides a tool is fixed to noise measurement ware of vehicle, the vehicle has the headrest support, the headrest support encloses into there being the cavity, its characterized in that, tool is fixed to noise measurement ware includes:

a guide rod;

the mounting assembly comprises a support column, a movable column and a mounting seat, the support column is slidably mounted on the guide rod and is arranged at an interval with the adjusting assembly, the movable column is slidably mounted on the support column, and the mounting seat is slidably mounted on the movable column and is used for mounting the noise measurer.

2. The vehicle noise measurer fixing jig as claimed in claim 1, wherein the first end of each abutting arm is provided with a screw, the adjusting member is an adjusting sleeve, an inner wall of the adjusting sleeve is provided with a thread, both of the screws extend into the adjusting sleeve and are in threaded engagement with the adjusting sleeve, and the thread directions of the two screws are opposite.

3. The jig for fixing a noise measuring device of a vehicle according to claim 1, wherein the guide bar extends in an X direction, the two abutting arms are spaced apart from each other in the X direction, each abutting arm extends in a Y direction, and a sliding sleeve is disposed between both ends of the two abutting arms and slidably fitted over the guide bar.

4. The vehicle noise measurer fixing jig as claimed in claim 1, wherein a flexible pad is disposed at a second end of each of the abutting arms, and the flexible pad is formed with a groove for abutting against the headrest bracket.

5. The vehicular noise measurer fixing jig of claim 3, wherein,

the strut extends along the Z direction, one end of the strut is provided with a first sliding ring, the first sliding ring is slidably sleeved on the guide rod, and the strut can slide along the X direction of the guide rod;

6. The vehicle noise measurer fixing jig as claimed in claim 5, wherein the first sliding ring has a first threaded hole formed therein corresponding to the guide rod, and the mounting assembly further includes a first locking bolt threadedly engaged with the first threaded hole to lock or unlock the guide rod and the first sliding ring.

7. The vehicle noise measurer fixing jig according to claim 5, wherein the second slip ring is provided with a second threaded hole corresponding to the support post, and the mounting assembly further comprises a second locking bolt, and the second locking bolt is in threaded engagement with the second threaded hole, so that the support post is locked with or unlocked from the second slip ring.

8. The vehicle noise measurer fixing jig as claimed in claim 5, wherein the mounting seat is provided with a third threaded hole corresponding to the movable post, and the mounting assembly further includes a third locking bolt, and the third locking bolt is in threaded engagement with the third threaded hole, so as to lock or unlock the movable post and the mounting seat.

9. The jig for fixing a noise measuring device of a vehicle according to any one of claims 1 to 8, wherein a mounting groove is formed at one end of the mounting seat, the mounting groove includes a mounting portion and a locking portion, the mounting portion is used for mounting the noise measuring device, the locking portion divides the mounting seat into two elastic locking pieces which are arranged at an interval, a locking member is arranged on the mounting seat, and the locking member is used for enabling the two elastic locking pieces to approach or separate from each other so as to clamp or release the noise measuring device.

10. The jig for fixing a noise measuring device according to claim 9, wherein one of the elastic locking pieces has a fourth threaded hole, the other elastic locking piece has a mounting hole corresponding to the fourth threaded hole, and the locking member is a fourth locking bolt passing through the mounting hole and threadedly engaging with the fourth threaded hole.