Front cross beam assembly of automobile top cover

By designing the front cross member assembly of the car roof and using the water guide channel to drain rainwater, the problem of rainwater entering the cabin is solved, the use environment of the front lidar and the sealing of the entire vehicle are improved, and the service life of the entire vehicle is extended.

CN119319877APending Publication Date: 2025-01-17ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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Patent Information

Application Number
CN202411863231.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-01-17

AI Technical Summary

Technical Problem

At the sealing strip between the front decorative panel assembly of the car roof cover and the ceiling glass, rainwater can easily enter the space between the front decorative panel assembly of the roof cover and the front beam, causing rainwater to accumulate and seep into the cabin through the installation hole. Impacts the performance and service life of the vehicle seal and front lidar.

Method used

Design a car roof front cross member assembly. The rear end height of the front cross member body is higher than the front end height, and a water channel is set up at the front end. Rainwater flows through the water channel to the side outer panel and flows down along the lap joint of the front windshield. Go outside the car.

Benefits of technology

It achieves drainage performance, improves the use environment of the front lidar, and extends its service life. At the same time, water in the cabin is avoided, ensuring the normal use of vehicle seals and parts, and extending the service life of the vehicle.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention belongs to the technical field of automobiles, and discloses an automobile top cover front cross beam assembly which comprises a front cross beam body, a radar mounting assembly and a front decorative plate mounting assembly, the rear end of the front cross beam body is higher than the front end of the front cross beam body, and a water guide groove is formed in the front end of the front cross beam body; the radar mounting assembly is arranged in the middle of the front cross beam body; and the front decorative plate mounting assembly is arranged on the front cross beam body. When rainwater enters a space in front of the top cover front decorative plate assembly and the front cross beam body through the rubber strip in front of the top cover front decorative plate assembly and the awning glass, the rainwater flows to the water guide groove under the action of gravity, then flows to the side wall outer plate through the water guide groove and flows out of a vehicle along a front windshield glass lap joint spigot of the side wall outer plate. The automobile top cover front cross beam assembly can achieve drainage performance on the premise that original functions of the front cross beam are guaranteed, so that the using environment of a front laser radar is improved, the service life of the front laser radar is prolonged, and meanwhile water can be prevented from entering an automobile cabin.
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Description

Technical Field

[0001] The invention relates to the technical field of automobiles, and in particular to a front cross beam assembly of an automobile roof. Background Art

[0002] At present, the development of automobile bodies basically uses the combination of skylight glass, front decorative panel assembly and front crossbeam to replace the sheet metal roof of the previous body, which can provide passengers with the maximum visual experience and the increasingly sensitive radar sentinel safety experience. The front laser radar is arranged inside the front decorative panel assembly of the roof, and the front decorative panel assembly of the roof is in contact with the skylight glass through a sealing strip.

[0003] During actual vehicle use, a small amount of rainwater will enter the space between the front decorative panel assembly of the roof cover and the front crossbeam through the rubber strip between the front decorative panel assembly of the roof cover and the skylight glass. The rainwater will accumulate on the upper surface of the front crossbeam. The rainwater accumulated on the front crossbeam may seep into the cabin through the mounting holes, affecting the sealing of the entire vehicle and the use of parts in the cabin, or the water vapor formed by the accumulated water will seep into the front laser radar, affecting the performance and service life of the front laser radar parts, and ultimately affecting the service life of the entire vehicle and customer usage evaluation. Summary of the invention

[0004] The object of the present invention is to provide a front cross beam assembly of an automobile roof to solve the problems raised in the above background technology.

[0005] To achieve this object, the present invention adopts the following technical solutions:

[0006] A front cross beam assembly of an automobile roof, comprising:

[0007] A front cross beam body, wherein the rear end height of the front cross beam body is higher than the front end height of the front cross beam body, and a water guide groove is provided at the front end of the front cross beam body;

[0008] A radar installation component, wherein the radar installation component is arranged in the middle position of the front crossbeam body;

[0009] A front decorative panel mounting assembly is arranged on the front cross beam body.

[0010] Optionally, the height of the middle position of the water guide groove is higher than the heights of the left and right ends of the water guide groove.

[0011] Optionally, a windshield rubber coating surface is provided at the front end of the front cross beam body, and triangular surface guide grooves are provided at both left and right ends of the water guide groove, and the triangular surface guide grooves are connected to the windshield rubber coating surface.

[0012] Optionally, the radar mounting assembly includes a radar mounting platform and a wiring harness rubber sleeve mounting platform, the radar mounting platform is used to install a front laser radar, and the wiring harness rubber sleeve mounting platform is used to install a laser radar wiring harness rubber sleeve.

[0013] Optionally, the radar mounting platform is a convex platform structure or an open concave platform structure, and the wiring harness rubber sleeve mounting platform is a convex platform structure or an open concave platform structure.

[0014] Optionally, the front decorative panel mounting assembly includes a first front decorative panel mounting platform and a second front decorative panel mounting platform, the first front decorative panel mounting platform is arranged at the rear end of the front cross beam body, and the second front decorative panel mounting platform is arranged at the front end of the front cross beam body, and the first front decorative panel mounting platform and the second front decorative panel mounting platform are used to install the top cover front decorative panel assembly.

[0015] Optionally, the distance between the second front decorative panel mounting platform and the water guide groove is not less than 1 mm.

[0016] Optionally, the first front decorative panel mounting platform is a boss structure or an open concave structure, and the second front decorative panel mounting platform is a boss structure or an open concave structure.

[0017] Optionally, the front crossbeam body is also provided with a front crossbeam positioning platform.

[0018] Optionally, the water guide groove is formed by a rounded corner recessed downward at the front end of the front cross beam body.

[0019] Beneficial effects of the present invention:

[0020] The front cross beam assembly of the automobile roof provided by the present invention is, during assembly, the skylight glass is fixed to the rear end of the front cross beam body by glass glue, the front laser radar is first fixed to the front decorative panel assembly of the roof by bolts, and then the front decorative panel assembly of the roof and the front laser radar are installed on the front cross beam body, and then the skylight glass and the front decorative panel assembly of the roof are sealed to each other by adhesive strips, and the front end of the front cross beam body is connected to the side outer panel. When rainwater enters the space between the front decorative panel assembly of the roof and the front cross beam body through the adhesive strip between the front decorative panel assembly of the roof and the skylight glass, since the rear end height of the front cross beam body is higher than the front end height of the front cross beam body, a water guide groove is provided at the front end of the front cross beam body, so that rainwater will flow into the water guide groove under the action of gravity, and then flow to the side outer panel through the water guide groove, and flow to the outside of the vehicle along the overlapped stop of the front windshield of the side outer panel. The front crossbeam assembly of the car roof can achieve drainage performance while ensuring the original function of the front crossbeam, thereby improving the use environment of the front laser radar and increasing the service life of the front laser radar. At the same time, it can prevent water from entering the cabin, ensure the sealing of the entire vehicle and the normal use of parts in the cabin, and ultimately ensure the service life of the entire vehicle and customer evaluation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0022] Figure 1 It is a structural schematic diagram of the front cross beam assembly of the automobile roof provided by the present invention;

[0023] Figure 2 It is a schematic diagram of the flow direction of rainwater in the present invention;

[0024] Figure 3 It is a schematic diagram of the cross-sectional structure of the front cross beam assembly of the automobile roof provided by the present invention during assembly;

[0025] Figure 4 It is a structural schematic diagram of the triangular surface guide groove in the present invention;

[0026] Figure 5 is a schematic diagram of the second front decorative panel mounting platform of the present invention when the second front decorative panel mounting platform is a boss structure;

[0027] Figure 6 It is a schematic diagram of the case where the first front decorative panel mounting platform in the present invention is an open concave platform structure.

[0028] In the figure:

[0029] 10. Skylight glass; 20. Front laser radar; 30. Top cover front decorative panel assembly; 40. Side outer panel; 50. Front windshield;

[0030] 100, front crossbeam body; 110, water guide groove; 111, triangular surface guide groove; 120, windshield glue surface; 130, front crossbeam positioning platform; 200, radar installation assembly; 210, radar installation platform; 220, wiring harness rubber sleeve installation platform; 300, front decorative panel installation assembly; 310, first front decorative panel installation platform; 320, second front decorative panel installation platform. DETAILED DESCRIPTION

[0031] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0032] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0034] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operate in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0035] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0036] like Figures 1 to 6 As shown, the present invention provides a front cross beam assembly for a car roof, comprising a front cross beam body 100, a radar mounting assembly 200 and a front decorative plate mounting assembly 300. The rear end height of the front cross beam body 100 is higher than the front end height of the front cross beam body 100, and a water guide groove 110 is provided at the front end of the front cross beam body 100; the radar mounting assembly 200 is arranged at the middle position of the front cross beam body 100; and the front decorative plate mounting assembly 300 is arranged on the front cross beam body 100.

[0037] The automobile roof front beam assembly provided by the present invention is assembled, and the skylight glass 10 is fixed to the rear end of the front beam body 100 by glass glue, and the front laser radar 20 is first fixed to the roof front decorative panel assembly 30 by bolts, and then the roof front decorative panel assembly 30 and the front laser radar 20 are installed on the front beam body 100, and then the skylight glass 10 and the roof front decorative panel assembly 30 are sealed to each other by a rubber strip, and the front end of the front beam body 100 is connected to the side outer panel 40. The water guide groove 110 can be formed by the front end of the front beam body 100 being concave and rounded downward.

[0038] When rainwater enters the space between the top cover front decorative panel assembly 30 and the front cross beam body 100 through the rubber strip between the top cover front decorative panel assembly 30 and the skylight glass 10, since the rear end height of the front cross beam body 100 is higher than the front end height of the front cross beam body 100, a water guide groove 110 is opened at the front end of the front cross beam body 100, so that the rainwater will flow into the water guide groove 110 under the action of gravity, and then flow to the side outer panel 40 through the water guide groove 110, and flow to the outside of the vehicle along the front windshield overlap stop of the side outer panel 40.

[0039] In some embodiments, the height of the middle position of the water channel 110 is higher than the height of the left and right ends of the water channel 110, so that rainwater flows from the middle to the left and right ends through the water channel 110, and then flows to the side outer panel 40. A windshield glued surface 120 is provided at the front end of the front cross beam body 100, and triangular surface guide grooves 111 are provided at the left and right ends of the water guide groove 110. The triangular surface guide grooves 111 are connected to the windshield glued surface 120. The windshield glued surface 120 is used for gluing and bonding the front end of the front cross beam body 100 with the front windshield 50. The water guide groove 110 and the windshield glued surface 120 are connected by the triangular surface guide grooves 111. Rainwater will flow into the water guide groove 110 under the action of gravity, and then flow from the middle to the left and right ends through the water guide groove 110, and then flow to the triangular surface guide grooves 111 provided at the left and right ends of the water guide groove 110. The rainwater is guided to the windshield glued surface 120 through the triangular surface guide grooves 111, and the rainwater flows from the windshield glued surface 120 to the side of the side outer panel 40, and flows to the outside of the vehicle along the front windshield overlap stop of the side outer panel 40.

[0040] In some embodiments, the radar installation assembly 200 includes a radar installation platform 210 and a wiring harness rubber sleeve installation platform 220. The radar installation platform 210 is used to install the front laser radar 20, and the wiring harness rubber sleeve installation platform 220 is used to install the laser radar wiring harness rubber sleeve. The radar installation platform 210 is a convex platform structure or an open concave platform structure, and the wiring harness rubber sleeve installation platform 220 is a convex platform structure or an open concave platform structure. The radar installation platform 210 is provided with a radar installation hole, and the wiring harness rubber sleeve installation platform 220 is provided with a rubber sleeve installation hole. The number of radar installation platforms 210 is 4, and the number of wiring harness rubber sleeve installation platforms 220 is 1.

[0041] Specifically, by setting the radar mounting platform 210 as a boss structure, the height of the radar mounting hole can be higher than the upper surface of the front beam body 100, thereby preventing the radar mounting hole from being polluted by water; by setting the radar mounting platform 210 as an open concave platform structure, the edge of the open concave platform structure is provided with a notch, so that the accumulated water can flow through the notch to a lower position, thereby preventing water from accumulating at the installation location of the radar mounting platform 210 and the front laser radar 20. By setting the wiring harness rubber sleeve mounting platform 220 as a boss structure, the height of the rubber sleeve mounting hole can be higher than the upper surface of the front beam body 100, thereby preventing the rubber sleeve mounting hole from being polluted by water; by setting the wiring harness rubber sleeve mounting platform 220 as an open concave platform structure, the edge of the open concave platform structure is provided with a notch, so that the accumulated water can flow through the notch to a lower position, thereby preventing water from accumulating at the installation location of the wiring harness rubber sleeve mounting platform 220 and the laser radar wiring harness rubber sleeve.

[0042] In some embodiments, the front decorative panel mounting assembly 300 includes a first front decorative panel mounting platform 310 and a second front decorative panel mounting platform 320. The first front decorative panel mounting platform 310 is arranged at the rear end of the front cross beam body 100, and the second front decorative panel mounting platform 320 is arranged at the front end of the front cross beam body 100. The first front decorative panel mounting platform 310 and the second front decorative panel mounting platform 320 are used to install the top cover front decorative panel assembly 30. The distance between the second front decorative panel mounting platform 320 and the water guide groove 110 is not less than 1 mm, so as to prevent the second front decorative panel mounting platform 320 from forming a step structure at the water guide groove 110 and blocking the water guide groove 110. The first front decorative panel mounting platform 310 is a convex platform structure or an open concave platform structure, and the second front decorative panel mounting platform 320 is a convex platform structure or an open concave platform structure. The first front decorative panel mounting platform 310 is provided with a first front decorative panel mounting hole, and the second front decorative panel mounting platform 320 is provided with a second front decorative panel mounting hole. The number of the first front trim panel mounting bases 310 is nine, and the number of the second front trim panel mounting bases 320 is eight.

[0043] Specifically, by setting the first front decorative panel mounting platform 310 as a boss structure, the height of the first front decorative panel mounting hole can be higher than the upper surface of the front cross beam body 100, thereby preventing the first front decorative panel mounting hole from being polluted by water; by setting the first front decorative panel mounting platform 310 as an open concave platform structure, the edge of the open concave platform structure is provided with a notch, so that the accumulated water can flow to a lower position through the notch, thereby preventing the accumulation of water at the installation position of the first front decorative panel mounting platform 310 and the top cover front decorative panel assembly 30. By setting the second front decorative panel mounting platform 320 as a boss structure, the height of the second front decorative panel mounting hole can be higher than the upper surface of the front cross beam body 100, thereby preventing the second front decorative panel mounting hole from being polluted by water; by setting the second front decorative panel mounting platform 320 as an open concave platform structure, the edge of the open concave platform structure is provided with a notch, so that the accumulated water can flow to a lower position through the notch, thereby preventing the accumulation of water at the installation position of the second front decorative panel mounting platform 320 and the top cover front decorative panel assembly 30.

[0044] In some embodiments, the front beam body 100 is further provided with a front beam positioning platform 130. The number of the front beam positioning platforms 130 is 2. The front beam positioning platform 130 is a boss structure or an open concave structure. The front beam positioning platform 130 is provided with a front beam positioning hole. By setting the front beam positioning platform 130 as a boss structure, the height of the front beam positioning hole can be made higher than the upper surface of the front beam body 100, thereby preventing the front beam positioning hole from being contaminated by water; by setting the front beam positioning platform 130 as an open concave structure, the edge of the open concave structure is provided with a notch, so that the accumulated water can flow to a lower position through the notch.

[0045] The front cross beam assembly of the automobile roof of the present invention can achieve drainage performance under the premise of ensuring the original function of the front cross beam, thereby improving the use environment of the front laser radar 20 and increasing the service life of the front laser radar 20. At the same time, it can prevent water from entering the cabin, ensure the sealing of the entire vehicle and the normal use of parts in the cabin, and ultimately ensure the service life of the entire vehicle and customer evaluation.

[0046] The standard parts used in the present invention can all be purchased from the market, and the special-shaped parts can all be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt mature means in the prior art, and the machinery, parts and equipment adopt conventional models in the prior art. The circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0047] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A front cross beam assembly of a car roof, characterized in that: include: A front cross beam body, wherein the rear end height of the front cross beam body is higher than the front end height of the front cross beam body, and a water guide groove is provided at the front end of the front cross beam body; A radar installation component, wherein the radar installation component is arranged in the middle position of the front crossbeam body; A front decorative panel mounting assembly is arranged on the front cross beam body.

2. The automobile roof front cross beam assembly according to claim 1, characterized in that: The height of the middle position of the water guide groove is higher than the heights of the left and right ends of the water guide groove.

3. The automobile roof front cross beam assembly according to claim 1, characterized in that: The front end of the front cross beam body is provided with a windshield rubber coating surface, and the left and right ends of the water guide groove are both provided with triangular surface guide grooves, and the triangular surface guide grooves are connected to the windshield rubber coating surface.

4. The automobile roof front cross beam assembly according to claim 1, characterized in that: The radar installation assembly includes a radar installation platform and a wiring harness rubber sleeve installation platform. The radar installation platform is used to install the front laser radar, and the wiring harness rubber sleeve installation platform is used to install the laser radar wiring harness rubber sleeve.

5. The automobile roof front cross beam assembly according to claim 4, characterized in that: The radar mounting platform is a convex platform structure or an open concave platform structure, and the wiring harness rubber sleeve mounting platform is a convex platform structure or an open concave platform structure.

6. The automobile roof front cross beam assembly according to claim 1, characterized in that: The front decorative panel mounting assembly includes a first front decorative panel mounting platform and a second front decorative panel mounting platform, the first front decorative panel mounting platform is arranged at the rear end of the front cross beam body, and the second front decorative panel mounting platform is arranged at the front end of the front cross beam body, and the first front decorative panel mounting platform and the second front decorative panel mounting platform are used to install the top cover front decorative panel assembly.

7. The automobile roof front cross beam assembly according to claim 6, characterized in that: The distance between the second front decorative panel mounting platform and the water guide groove is not less than 1 mm.

8. The automobile roof front cross beam assembly according to claim 6, characterized in that: The first front decorative panel mounting platform is a convex platform structure or an open concave platform structure, and the second front decorative panel mounting platform is a convex platform structure or an open concave platform structure.

9. The automobile roof front cross beam assembly according to claim 1, characterized in that: The front crossbeam body is also provided with a front crossbeam positioning platform.

10. The automobile roof front cross beam assembly according to claim 1, characterized in that: The water guide groove is formed by the front end of the front cross beam body being concavely rounded downward.