CN218586334U - Roof rear cross beam, vehicle antenna's mounting structure and vehicle - Google Patents
Roof rear cross beam, vehicle antenna's mounting structure and vehicle Download PDFInfo
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- CN218586334U CN218586334U CN202223294442.0U CN202223294442U CN218586334U CN 218586334 U CN218586334 U CN 218586334U CN 202223294442 U CN202223294442 U CN 202223294442U CN 218586334 U CN218586334 U CN 218586334U
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Abstract
The utility model provides a mounting structure and vehicle of roof back beam, vehicle antenna belongs to car technical field, including the roof back beam body, the biasing is equipped with the mounting hole that is used for installing vehicle antenna on the roof back beam body, and wherein, the mounting hole biasing is in the left side or the right side of roof back beam body, and mounting hole department is equipped with the heavy platform of installation to sinking. The utility model provides a roof rear frame member through the biasing antenna mounting hole that sets up on roof rear frame member, has changed the natural frequency of roof rear frame member, has avoided the noise to produce the resonant phenomenon in roof rear frame member intermediate position, has reduced the drumming problem at the back row seat position in the car, promotes the NVH performance of whole car, promotes passenger's riding comfort; meanwhile, the antenna is installed on the rear cross beam of the car roof in a biased mode, so that the antenna avoids a resonant position of the rear cross beam of the car roof, the problem that the antenna interferes signal transmission due to vibration is avoided, and the accuracy of antenna signal transmission is improved.
Description
Technical Field
The utility model belongs to the technical field of the car, concretely relates to mounting structure and vehicle of roof back beam, vehicle antenna.
Background
The vehicle-mounted antenna is used for receiving wireless signals of a vehicle, is generally mounted on the rear cross member of the vehicle roof, and is generally mounted at the middle position of the rear cross member of the vehicle roof. The drum noise is a noise which is not negligible in the noise of the road surface and the tires, the low-frequency booming noise is generally called the drum noise, the frequency range is between 20Hz and 60Hz, discomfort of passengers is easily caused, the noise of the road surface and the tires is transmitted to the installation position of the antenna, resonance is generated in the middle position of the rear cross beam of the roof, the low-frequency booming noise is generated in the vehicle, the riding comfort of the passengers is influenced, the influence on rear row passengers in the vehicle is particularly large, and the instability of signals transmitted by the antenna is also caused.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a mounting structure and vehicle of roof rear frame member, vehicle antenna aims at solving the middle part that roof rear frame member structure symmetry leads to and forms resonance, causes the problem of low frequency drum noise in the car.
In order to achieve the above object, the present invention adopts the following technical solutions: provided is a rear roof cross member including: the rear roof cross beam comprises a rear roof cross beam body, wherein a mounting hole for mounting a vehicle-mounted antenna is arranged on the rear roof cross beam body in a biased mode, the mounting hole is arranged on the left side or the right side of the rear roof cross beam body in a biased mode, and a sunken mounting sunken platform is arranged at the mounting hole.
With reference to the first aspect, in a possible implementation manner, reinforcing ribs protruding downwards are symmetrically arranged on the left and right sides of the rear roof cross rail body, the length of each reinforcing rib extends along the left and right direction of the rear roof cross rail body, and the mounting holes are formed in the reinforcing ribs.
With reference to the first aspect, in one possible implementation manner, the mounting hole is a rectangular hole.
The utility model provides a roof rear frame member compares with prior art, and beneficial effect lies in: the antenna mounting holes are arranged on the rear cross beam of the car roof in an offset manner, so that the rear cross beam of the car roof forms a component with an asymmetric left-right structure, the inherent frequency of the rear cross beam of the car roof is changed, the phenomenon that noise generates resonance in the middle of the rear cross beam of the car roof is avoided, the drum noise of a rear seat part in the car is reduced, the NVH performance of the whole car is improved, and the riding comfort of passengers is improved; meanwhile, the antenna is installed on the rear cross beam of the car roof in a biased mode, so that the antenna avoids a resonant position of the rear cross beam of the car roof, the problem that the antenna interferes signal transmission due to vibration is avoided, and the accuracy of antenna signal transmission is improved.
In a second aspect, the embodiment of the present invention further provides a mounting structure of a vehicle antenna, including: the vehicle-mounted antenna comprises a mounting seat and a wiring harness installed on the mounting seat, and the mounting seat is fixedly arranged on the mounting sinking platform.
In combination with the second aspect, in a possible implementation manner, the left and right directions of the mounting base are provided with ear plates, the ear plates are provided with first connecting holes, the mounting sinking platform is provided with second connecting holes, and the mounting base is fixed on the mounting sinking platform through screws.
In combination with the second aspect, in a possible implementation manner, the mounting base includes a base and a cover plate fixed to the base, wherein the base is adapted to the mounting hole in the peripheral contour, the base sinks in the mounting hole, the cover plate is provided with the ear plate, and the ear plate is overlapped on the mounting sinking platform.
With reference to the second aspect, in a possible implementation manner, the ear plate is provided with a plurality of transverse ribs and longitudinal ribs extending in different directions.
With reference to the second aspect, in a possible implementation manner, the first connection hole has a hollow column extending upward, and the transverse rib and the longitudinal rib are disposed around the hollow column.
With reference to the second aspect, in a possible implementation manner, the edge of the ear plate is provided with a vertical edge extending upwards, and the transverse rib and the longitudinal rib are both connected to the vertical edge.
In a third aspect, the embodiment of the present invention further provides a vehicle, including the mounting structure of the vehicle-mounted antenna.
The embodiment of the utility model provides a mounting structure and vehicle of vehicle antenna, because the antenna biasing is installed on roof rear frame member, the position that resonance appears in roof rear frame member has been avoided to the antenna, has also avoided the antenna to cause the problem to signal transmission interference because of the vibration, has promoted the accuracy of antenna signal transmission; meanwhile, the risk of noise at the rear row position in the vehicle can be avoided, and the NVH performance of the whole vehicle is improved.
Drawings
Fig. 1 is a schematic structural view of a rear roof cross rail according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a mounting structure of a vehicle-mounted antenna according to an embodiment of the present invention;
fig. 3 is a schematic perspective view (overhead view) of a vehicle-mounted antenna according to an embodiment of the present invention;
fig. 4 is a schematic perspective view (viewed from the bottom) of a vehicle-mounted antenna according to an embodiment of the present invention;
fig. 5 is a schematic top view of the vehicle-mounted antenna according to the embodiment of the present invention;
description of reference numerals:
1. a roof rear cross rail body; 11. mounting holes; 12. mounting a sinking platform; 13. reinforcing ribs; 14. a second connection hole; 15. a middle plate; 2. a vehicle-mounted antenna; 21. a cover plate; 22. a wire harness; 23. an ear plate; 24. longitudinal ribs; 25. erecting edges; 26. a transverse rib; 27. a first connection hole; 28. a hollow column; 29. a base.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the description of the present invention, it should be noted that if the terms indicating the orientation or the position relationship such as "front", "back", "left", "right", etc. appear, they are based on the orientation or the position relationship shown in fig. 1, and are specifically consistent with the orientation of "front, back, left, right" of the vehicle body.
Referring to fig. 1 and 2 together, a rear roof cross rail according to the present invention will now be described. The roof rear cross member includes: the rear roof cross beam comprises a rear roof cross beam body 1, wherein a mounting hole 11 for mounting a vehicle-mounted antenna 2 is formed in the rear roof cross beam body 1 in an offset mode, the mounting hole 11 is offset on the left side or the right side of the rear roof cross beam body 1, and a sunken mounting sunken table 12 is arranged at the position of the mounting hole 11.
The utility model provides a roof rear frame member compares with prior art, and beneficial effect lies in: the antenna mounting holes 11 are arranged on the rear cross beam of the car roof in an offset manner, so that the rear cross beam of the car roof forms a component with an asymmetrical left structure and a right structure, the inherent frequency of the rear cross beam of the car roof is changed, the phenomenon that noise generates resonance at the middle position of the rear cross beam of the car roof is avoided, the drum noise of a rear seat part in the car is reduced, the NVH performance of the whole car is improved, and the riding comfort of passengers is improved; meanwhile, the antenna is installed on the rear cross beam of the car roof in a biased mode, so that the antenna avoids a resonant position of the rear cross beam of the car roof, the problem that the antenna interferes signal transmission due to vibration is avoided, and the accuracy of antenna signal transmission is improved.
The installation sinking platform 12 plays a role in positioning the installation of the vehicle-mounted antenna 2, and positioning the vehicle-mounted antenna 2 in the front, rear, left, right, upper and lower directions.
In some embodiments, as shown in fig. 1 and 2, the rear roof cross rail body 1 is provided with reinforcing ribs 13 protruding downward in left-right symmetry, the length of the reinforcing ribs 13 extends in the left-right direction of the rear roof cross rail body 1, and the mounting holes 11 are provided in the reinforcing ribs 13. The reinforcing ribs 13 can enhance the rigidity of the roof rear cross member body 1, enhance the supporting strength of the peripheral members arranged thereon, and reduce the vibration phenomenon. The mounting holes 11 are formed in the reinforcing ribs 13, which are equivalent to blocking a path for noise and vibration transmission, so that the phenomenon of resonance generated in the middle of the rear cross beam body 1 of the roof is avoided, and the problem of noise in the vehicle is avoided. The vehicle-mounted antenna 2 is arranged in the middle of the reinforcing rib 13, has strong supporting rigidity, and can weaken the vibration of the vehicle-mounted antenna 2.
In some embodiments, as shown in FIG. 1, the mounting holes 11 are rectangular holes. The rectangle structure itself has spacing effect, and vehicle antenna 2 has the effect of preventing rotating after installing on the rectangular hole to vehicle antenna 2.
In order to improve the rigidity of the rear roof cross rail body 1 and change the transmission path of noise and vibration, a middle panel 15 of the rear roof cross rail body 1 protrudes upward (see fig. 1 and 2), and a flange extending to the periphery is formed around the rear roof cross rail body 1, wherein the vehicle-mounted antenna 2 is installed at the upward protruding portion. When noise and vibration are transmitted to the rear roof cross beam body 1, due to the upward convex structure of the middle plate 15, the noise and vibration are transmitted along the edge of the middle plate 15 when being transmitted to the middle plate 15, so that the energy transmitted to the middle position of the rear roof cross beam body 1 directly from the noise and vibration is weakened, the resonance phenomenon is weakened, and the influence on the vehicle-mounted antenna 2 is reduced.
Based on same inventive concept, as shown in fig. 2, the embodiment of the present application further provides a mounting structure of a vehicle antenna 2, including: the vehicle-mounted antenna 2 comprises a mounting seat and a wiring harness 22 installed on the mounting seat, and the mounting seat is fixedly arranged on the installation sinking platform 12.
The embodiment of the utility model provides a mounting structure of vehicle antenna 2, because the antenna offset is installed on roof rear frame member, the antenna has avoided the resonant position of roof rear frame member to appear, has also avoided the antenna to cause the problem of interfering with signal transmission because of the vibration, has promoted the accuracy of antenna signal transmission; meanwhile, the risk of noise at the rear row position in the vehicle can be avoided, and the NVH performance of the whole vehicle is improved.
Because the vehicle-mounted antenna 2 is not arranged in the middle of the roof rear cross beam body 1, but is deviated to the left side or the right side, the wiring harness 22 connected with the vehicle-mounted antenna 2 can be arranged on one side close to the side wall of the vehicle body, the length of the wiring harness 22 is shortened, and the cost is saved.
In some embodiments, as shown in fig. 2 to 5, the mounting base is provided with an ear plate 23 in the left-right direction, the ear plate 23 is provided with a first connecting hole 27, the mounting counter 12 is provided with a second connecting hole 14, and the mounting base is fixed on the mounting counter 12 by screws. Specifically, the ear plate 23 is supported on the installation sinking platform 12 and fastened by screws; the mount is fitted at the mounting hole 11.
In some embodiments, as shown in fig. 2 to 5, the mounting base includes a base 29 and a cover plate 21 fixed on the base 29, wherein the base 29 is configured to fit the mounting hole 11, the base 29 is sunk into the mounting hole 11, the cover plate 21 is provided with an ear plate 23, and the ear plate 23 overlaps the mounting sinking platform 12.
Specifically, the rectangular mounting hole 11 has a limiting effect on the base 29, and therefore, the mounting hole 11 itself has a positioning effect on the mounting of the vehicle-mounted antenna 2.
In some embodiments, as shown in fig. 2-5, the ear plate 23 is provided with a plurality of transverse ribs 26 and longitudinal ribs 24 extending in different directions. The transverse direction of the present embodiment is the same as the direction of the rear roof cross rail body 1, and the longitudinal direction is perpendicular to the length of the rear roof cross rail body 1. The connecting strength of the lug plate 23 is improved through the transverse ribs 26 and the longitudinal ribs 24, meanwhile, through the transverse ribs 26 and the longitudinal ribs 24, a transmission path is constructed for noise and vibration, specifically, the transmission path of the noise and the vibration is increased, so that the noise and the vibration generated on the roof rear cross beam body 1 are weakened, and the problem of noise in a vehicle is avoided.
Wherein the transverse ribs 26 and the longitudinal ribs 24 intersect to guide the transfer of energy.
In some embodiments, as shown in fig. 2 to 5, the first connecting hole 27 has a hollow column 28 extending upward, and the transverse rib 26 and the longitudinal rib 24 are disposed around the hollow column 28. Through the hollow column 28, the length of the first connecting hole 27 is increased, so that the matching length of the screw can be increased, and the reliability of screw fastening is improved.
In some embodiments, as shown in fig. 2-5, the edges of the ear plate 23 are provided with upwardly extending vertical edges 25, and the transverse ribs 26 and the longitudinal ribs 24 are connected to the vertical edges 25. The connection of the criss-cross ribs and the vertical edges 25 in the embodiment improves the structural strength of the ear plate 23, so that the connection reliability of the vehicle-mounted antenna 2 can be ensured; due to the adoption of the structure, the energy of noise can be attenuated, the noise phenomenon of a rear row part is avoided, and the NVH performance of the whole vehicle is improved.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
The embodiment of the utility model provides a vehicle is still provided, include the mounting structure of on-vehicle antenna 2.
The embodiment of the utility model provides a mounting structure and vehicle of vehicle antenna 2, because the antenna biasing is installed on roof rear frame member, the antenna has avoided roof rear frame member to appear the position of resonance, has also avoided the antenna to cause the problem to signal transmission interference because of the vibration, has promoted the accuracy of antenna signal transmission; meanwhile, the risk of noise blowing at the rear row position in the vehicle can be avoided, and the NVH performance of the whole vehicle is improved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A rear roof cross member characterized by comprising: the rear roof cross beam comprises a rear roof cross beam body (1), wherein a mounting hole (11) for mounting a vehicle-mounted antenna (2) is formed in the rear roof cross beam body (1) in an offset mode, the mounting hole (11) is offset to the left side or the right side of the rear roof cross beam body (1), and a sunken mounting sunken platform (12) is arranged at the position of the mounting hole (11).
2. The rear roof cross rail according to claim 1, wherein the rear roof cross rail body (1) is provided with downwardly projecting reinforcing ribs (13) in bilateral symmetry, the length of the reinforcing ribs (13) extends in the left-right direction of the rear roof cross rail body (1), and the mounting holes (11) are provided in the reinforcing ribs (13).
3. The rear roof rail of claim 1, characterized in that the mounting hole (11) is a rectangular hole.
4. A mounting structure of a vehicle-mounted antenna, characterized by comprising: vehicle antenna (2) and rear roof rail according to one of claims 1 to 3, the vehicle antenna (2) comprising a mounting seat and a wiring harness (22) mounted on the mounting seat, the mounting seat being fixed to the mounting sinker (12).
5. The mounting structure of a vehicle-mounted antenna according to claim 4, wherein the mounting base is provided with an ear plate (23) in a left-right direction, the ear plate (23) is provided with a first connecting hole (27), the mounting counter (12) is provided with a second connecting hole (14), and the mounting base is fixed to the mounting counter (12) by screws.
6. The mounting structure of the vehicle antenna according to claim 5, wherein the mounting base comprises a base (29) and a cover plate (21) fixed on the base (29), wherein the peripheral contour of the base (29) is adapted to the mounting hole (11), the base (29) is sunk into the mounting hole (11), the ear plate (23) is arranged on the cover plate (21), and the ear plate (23) is lapped on the mounting sunk platform (12).
7. A mounting structure of a vehicle antenna according to claim 5, wherein said ear plate (23) is provided with a plurality of transverse ribs (26) and longitudinal ribs (24) extending in different directions.
8. The mounting structure of a vehicle antenna according to claim 7, wherein the first connection hole (27) has an upwardly extending hollow pillar (28), and the transverse rib (26) and the longitudinal rib (24) are provided around the hollow pillar (28).
9. The mounting structure of a vehicle antenna according to claim 7, wherein the edge of the ear plate (23) is provided with a vertical edge (25) extending upward, and the transverse rib (26) and the longitudinal rib (24) are connected to the vertical edge (25).
10. A vehicle characterized by the mounting structure of the vehicle-mounted antenna according to any one of claims 4 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223294442.0U CN218586334U (en) | 2022-12-08 | 2022-12-08 | Roof rear cross beam, vehicle antenna's mounting structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223294442.0U CN218586334U (en) | 2022-12-08 | 2022-12-08 | Roof rear cross beam, vehicle antenna's mounting structure and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218586334U true CN218586334U (en) | 2023-03-07 |
Family
ID=85379970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223294442.0U Active CN218586334U (en) | 2022-12-08 | 2022-12-08 | Roof rear cross beam, vehicle antenna's mounting structure and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218586334U (en) |
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2022
- 2022-12-08 CN CN202223294442.0U patent/CN218586334U/en active Active
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