Top cover waterproof structure

Abstract

The invention relates to a top cover waterproof structure, which belongs to the technical field of automobiles and comprises a first top cover, a first bonding strip is arranged on the upper surface of the first top cover, the first top cover is connected with a second top cover in a staggered manner through the first bonding strip, and a first waterproof strip connected with the upper surface of the first top cover is arranged at the part, close to the first top cover, of the second top cover. Bonding strips are arranged on the first top cover and the second top cover, the first top cover and the second top cover are connected with an accessory through the bonding strips, second bonding strips are arranged on the sides, away from the accessory, of the first top cover and the second top cover, and side walls are connected to the first top cover and the second top cover in a staggered mode through the second bonding strips; second waterproof strips connected with the upper surface of the side wall are arranged on the portions, close to the side wall, of the first top cover and the second top cover. The first bonding strip, the first waterproof strip, the bonding strip, the second bonding strip and the second waterproof strip all have the waterproof and sealing effects, can deal with a complex car roof structure, prevents the water leakage problem, and also avoids the after-sale problem.

Description

Technical Field

[0001] The invention belongs to the technical field of automobiles, and in particular relates to a roof waterproof structure. Background Art

[0002] With the advancement of automotive technology and the continuous expansion of customer demands, the components assembled on car roofs are becoming increasingly diverse, such as panoramic sunroofs and skylight glass. Consequently, the corresponding roof structures are becoming more numerous and complex. At the same time, large SUVs and MPVs are becoming increasingly numerous and larger. This complex structure, coupled with excessive size (and the corresponding reduction in rigidity), directly challenges the roof's sealing performance. As the most customer-perceived and crucial waterproofing area, ensuring its integrity is a key area of research for the entire industry.

[0003] Current roof waterproofing structures are largely inherited from structures from 20 or 30 years ago, consisting of two layers of sheet metal stacked together and coated with PVC for waterproofing. This waterproofing structure struggles to maintain its sealing performance in the face of increasingly complex roof structures, and leaks are a common occurrence. Because these structures are located in highly visible areas, they are particularly prone to serious after-sales complaints. Summary of the Invention

[0004] In response to the above problems, the present invention provides a top cover waterproof structure, including a first top cover, a first adhesive strip is provided on the upper surface of the first top cover, the first top cover is staggeredly connected to the second top cover through the first adhesive strip, the second top cover is provided with a first waterproof strip connected to the upper surface of the first top cover near the first top cover, the first top cover and the second top cover are both provided with adhesive strips, the first top cover and the second top cover are connected to accessories through the adhesive strip, the first top cover and the second top cover are both provided with a second adhesive strip on the side facing away from the accessories, the first top cover and the second top cover are staggeredly connected to the side surround through the second adhesive strip, the first top cover and the second top cover are both provided with a second waterproof strip connected to the upper surface of the side surround near the side surround, and the first top cover and the second top cover are both spatially perpendicular to the side surround.

[0005] Furthermore, a portion of the second top cover close to the first top cover and an upper surface of the first top cover form a first waterproof groove, and a first waterproof strip is provided in the first waterproof groove.

[0006] Furthermore, the second top cover and the first top cover at positions close to the side panels form a second waterproof groove together with the upper surface of the side panels, and a second waterproof strip is provided in the second waterproof groove.

[0007] Furthermore, the upper surfaces of the second top cover and the first top cover are both provided with mounting surfaces, and the mounting surfaces are provided with adhesive strips.

[0008] Furthermore, a top cover transition surface is provided on a portion of the second top cover close to the first top cover.

[0009] Furthermore, the top cover transition surface is a slope.

[0010] Furthermore, a welding surface is provided at a portion of the second top cover close to the top cover transition surface, and the welding surface is welded to the side panels in an alternating manner.

[0011] Furthermore, the first top cover and the second top cover are welded in an alternating manner.

[0012] Furthermore, the second top cover is provided with a plurality of welding points connected to the first top cover.

[0013] Furthermore, the second top cover and the first top cover are both provided with a connecting surface on a side facing away from the accessory, and a second adhesive strip is provided on the connecting surface.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The first adhesive strip, the first waterproof strip, the bonding strip, the second adhesive strip and the second waterproof strip in the present invention all play a role in waterproof sealing, can cope with complex roof structures, prevent the occurrence of water leakage problems, and avoid after-sales problems.

[0015] The first waterproof strip and the second waterproof strip in the present invention play the role of the first waterproof seal, the first adhesive strip and the second adhesive strip play the role of the second waterproof seal, and the adhesive strip plays the role of the waterproof seal between the accessory and the first top cover and the second top cover.

[0016] The second top cover and the first top cover in the present invention are staggered and welded to form a cross-connected network structure, which increases rigidity and reduces structural deformation.

[0017] In the present invention, the transition surface of the top cover can reduce the difficulty of matching the first top cover and the second top cover in all directions, effectively avoid the gap problem caused by R angle matching, reduce the gap between the first top cover and the second top cover, facilitate the gluing operation, and avoid the problem of poor gluing caused by large gap.

[0018] The adhesive strip, the second adhesive strip and the second waterproof strip in the present invention are all arranged horizontally, and the first waterproof strip and the first adhesive strip are both arranged vertically. The three horizontal and two vertical layout can avoid the possibility of water leakage. Even if one or two of them fail, water leakage will not occur. The three horizontal and two vertical layout is widely applicable and reproducible.

[0019] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or will be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 An exploded view of the roof waterproof structure is shown; Figure 2 A schematic diagram showing the connection between the accessory and the first and second top covers is shown; Figure 3 Shows a schematic diagram of the connection between the first top cover, the second top cover and the side panels; Figure 4 Shown Figure 3 Cross-sectional view of AA; Figure 5 Shown Figure 3 Cross-sectional view of the middle BB; Figure 6 shows a schematic diagram of the second top cover; Figure 7 A schematic diagram showing the distribution of welding points on the first top cover and the second top cover is shown; Figure 8 A schematic diagram showing the distribution of the first adhesive strip, the first waterproof strip, the bonding strip, the second adhesive strip, and the second waterproof strip on the first top cover and the second top cover is shown.

[0022] Figure markings: 1. Accessory; 2. Second top cover; 21. First adhesive strip; 22. Mounting surface; 221. Adhesive strip; 23. Top cover transition surface; 24. Welding surface; 25. Connecting surface; 251. Second adhesive strip; 3. First waterproof groove; 31. First waterproof strip; 4. First top cover; 5. Second waterproof groove; 51. Second waterproof strip; 6. Side panel; 7. Welding point. DETAILED DESCRIPTION

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0024] Figure 1 The exploded view of the roof waterproof structure is shown. Figure 1 As shown, a roof waterproof structure includes a first roof 4, Figure 8Schematic diagram showing the distribution of the first adhesive strip 21, the first waterproof strip 31, the adhesive strip 221, the second adhesive strip 251 and the second waterproof strip 51 on the first top cover 4 and the second top cover 2, as shown in FIG. Figure 8 As shown, the first top cover 4 is provided with a first adhesive strip 21 on its upper surface, and the first top cover 4 is staggeredly connected to the second top cover 2 via the first adhesive strip 21. The second top cover 2 is provided with a first waterproof strip 31 connected to the upper surface of the first top cover 4 at a portion close to the first top cover 4. Figure 2 The diagram shows the connection between the accessory 1 and the first cover 4 and the second cover 2. Figure 2 As shown, the first top cover 4 and the second top cover 2 are both provided with adhesive strips 221. Figure 3 The diagram shows the connection between the first top cover 4, the second top cover 2 and the side panel 6. Figure 3 As shown, the first top cover 4 and the second top cover 2 are connected to the accessory 1 through an adhesive strip 221, and the first top cover 4 and the second top cover 2 are provided with a second adhesive strip 251 on the side facing away from the accessory 1. The first top cover 4 and the second top cover 2 are staggeredly connected to the side panel 6 through the second adhesive strip 251, and the first top cover 4 and the second top cover 2 are provided with a second waterproof strip 51 connected to the upper surface of the side panel 6 near the side panel 6. The first top cover 4 and the second top cover 2 are both perpendicular to the side panel 6 in space.

[0025] The roof waterproof structure is arranged in three horizontal and two vertical patterns on the first roof 4, the second roof 2 and the side panel 6 through the first adhesive strip 21, the first waterproof strip 31, the adhesive strip 221, the second adhesive strip 251 and the second waterproof strip 51, which plays a role of waterproof sealing. It can cope with complex roof structures, prevent water leakage problems, and avoid after-sales problems.

[0026] Specifically, the first adhesive strip 21 and the second adhesive strip 251 may be made of, but not limited to, structural adhesive. Structural adhesive is a prior art and will not be described in detail herein.

[0027] Specifically, the first waterproof strip 31 and the second waterproof strip 51 can be made of, but not limited to, PVC glue. PVC glue is a prior art and will not be described in detail here.

[0028] Specifically, the adhesive strip 221 may be, but is not limited to, glass glue, which is a prior art and will not be described in detail herein.

[0029] Figure 4 Shown Figure 3 The cross-sectional view of AA in FIG. Figure 4As shown, in some embodiments, the portion of the second top cover 2 close to the first top cover 4 and the upper surface of the first top cover 4 form a first waterproof groove 3, and a first waterproof strip 31 is provided in the first waterproof groove 3; the first waterproof groove 3 provides an accommodating space for the first waterproof strip 31, and the first waterproof strip 31 can prevent water from flowing into the first waterproof groove 3, further preventing water from flowing into the vehicle, playing a sealing role, and preventing the occurrence of water leakage problems.

[0030] Figure 5 Shown Figure 3 The cross-sectional view of BB. Figure 5 As shown, in some embodiments, the second top cover 2 and the first top cover 4 near the side panel 6 form a second waterproof groove 5 with the surface of the side panel 6. A second waterproof strip 51 is disposed within the second waterproof groove 5. The second waterproof groove 5 provides space for the second waterproof strip 51, which prevents water from flowing into the second waterproof groove 5 and further into the vehicle interior, providing a seal and preventing water leakage.

[0031] In some embodiments, the upper surfaces of the second top cover 2 and the first top cover 4 are both provided with a mounting surface 22, and an adhesive strip 221 is provided on the mounting surface 22; the mounting surface 22 provides installation conditions for the adhesive strip 221, which is convenient for connecting the accessory 1, and the adhesive strip 221 also plays a role in waterproof sealing between the accessory 1 and the mounting surface 22.

[0032] Figure 6 Schematic diagram of the second top cover 2 is shown. Figure 6 As shown, in some embodiments, a top cover transition surface 23 is provided at a portion of the second top cover 2 close to the first top cover 4; the top cover transition surface 23 provides overlapping conditions for the mounting surface 22 and the welding surface 24, avoiding a gap between the welding surface 24 and the mounting surface 22, and also facilitates the application of the first waterproof strip 31, avoiding the problem of poor glue application caused by the gap.

[0033] In some embodiments, the top cover transition surface 23 is a bevel; the beveled top cover transition surface 23 can provide overlapping conditions for the mounting surface 22 and the welding surface 24, avoiding the gap between the welding surface 24 and the mounting surface 22, and also facilitates the application of the first waterproof strip 31, avoiding the problem of poor glue application caused by the gap.

[0034] In some embodiments, a welding surface 24 is provided at a portion of the second top cover 2 close to the top cover transition surface 23, and the welding surface 24 is welded to the side panel 6 in an alternating manner. The alternating welding of the welding surface 24 and the side panel 6 can ensure the connectivity between the second top cover 2 and the side panel 6 and ensure stability.

[0035] In some embodiments, the first top cover 4 and the second top cover 2 are welded in a staggered manner; the staggered welding can strengthen the connection between the first top cover 4 and the second top cover 2 and avoid being affected by the atmospheric environment.

[0036] Figure 7 Schematic diagram showing the distribution of welding points 7 on the first top cover 4 and the second top cover 2. Figure 7 As shown, in some embodiments, the second top cover 2 is provided with a plurality of welding points 7 connected to the first top cover 4; the plurality of welding points 7 can ensure the connectivity between the second top cover 2 and the first top cover 4, and also ensure stability.

[0037] Specifically, the top cover transition surface 23 is provided with a welding point 7 connected to the first top cover 4 , thereby strengthening the connection between the second top cover 2 and the first top cover 4 .

[0038] Specifically, welding points 7 connected to the side panels 6 are provided on the welding surface 24 , thereby strengthening the connection between the second top cover 2 and the first top cover 4 and the side panels 6 .

[0039] Specifically, a welding point 7 connected to the first top cover 4 is provided on the second top cover 2 near the top cover transition surface 23 , thereby strengthening the connection between the second top cover 2 and the first top cover 4 .

[0040] Specifically, a double row of welding points 7 is provided on the mounting surface 22 , thereby strengthening the connection between the second top cover 2 and the first top cover 4 .

[0041] Specifically, the welding point 7 in this embodiment can be made by any one of electric welding, laser welding or brazing.

[0042] In some embodiments, the second top cover 2 and the first top cover 4 are both provided with a connecting surface 25 on the side facing away from the accessory 1 , and a second adhesive strip 251 is provided on the connecting surface 25 ; the connecting surface 25 provides installation conditions for the second adhesive strip 251 ; the second adhesive strip 251 is used to connect the side panel 6 .

[0043] Specifically, the accessory 1 in this embodiment may be selected from but not limited to a skylight, a skylight, and a luggage rack.

[0044] The working principle of the top cover waterproof structure is as follows: The three horizontal and two vertical layouts of the adhesive strip 221, the second adhesive strip 251, the second waterproof strip 51, the first adhesive strip 21 and the first waterproof strip 31 play a role in waterproof sealing, can cope with complex roof structures, prevent the occurrence of water leakage problems, and avoid after-sales problems.

[0045] Among them, the first adhesive strip 21 is applied to the upper surface of the first top cover 4, and then the second top cover 2 is pressed crosswise on the upper surface of the first top cover 4 to bond the second top cover 2 and the first top cover 4, and then welding points 7 are made on the second top cover 2 to strengthen the connection between the second top cover 2 and the first top cover 4, and then the first waterproof strip 31 is applied in the first waterproof groove 3, and then the adhesive strip 221 is applied on the installation surface 22, and the accessory 1 is bonded through the adhesive strip 221, and then the second adhesive strip 251 is applied on the connecting surface 25, and the side panel 6 is bonded through the second adhesive strip 251, and then welding points 7 are made on the welding surface 24 to strengthen the connection between the first top cover 4, the second top cover 2 and the side panel 6, and then the second waterproof strip 51 is applied in the second waterproof groove 5 to complete the three horizontal and two vertical layout of the adhesive strip 221, the second adhesive strip 251, the second waterproof strip 51, the first adhesive strip 21 and the first waterproof strip 31.

[0046] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A roof waterproof structure, characterized in that: The invention comprises a first top cover (4), wherein the upper surface of the first top cover (4) is provided with a first adhesive strip (21), the first top cover (4) is staggeredly connected to the second top cover (2) via the first adhesive strip (21), the second top cover (2) is provided with a first waterproof strip (31) connected to the upper surface of the first top cover (4) at a portion close to the first top cover (4), the first top cover (4) and the second top cover (2) are both provided with an adhesive strip (221), and the first top cover (4) and the second top cover (2) are connected via the adhesive strip (221). An attachment (1) is connected, and the first top cover (4) and the second top cover (2) are both provided with a second adhesive strip (251) on the side facing away from the attachment (1), and the first top cover (4) and the second top cover (2) are cross-connected with the side surround (6) through the second adhesive strip (251), and the first top cover (4) and the second top cover (2) are both provided with a second waterproof strip (51) connected to the upper surface of the side surround (6) at the position close to the side surround (6), and the first top cover (4) and the second top cover (2) are both vertical to the side surround (6) in space.

2. The roof waterproof structure according to claim 1, characterized in that: The portion of the second top cover (2) close to the first top cover (4) and the upper surface of the first top cover (4) form a first waterproof groove (3), and a first waterproof strip (31) is provided in the first waterproof groove (3).

3. The roof waterproof structure according to claim 1, characterized in that: The second top cover (2) and the first top cover (4) at locations close to the side panels (6) form a second waterproof groove (5) together with the upper surface of the side panels (6), and a second waterproof strip (51) is provided in the second waterproof groove (5).

4. The roof waterproof structure according to claim 1, characterized in that: The upper surfaces of the second top cover (2) and the first top cover (4) are both provided with a mounting surface (22), and an adhesive strip (221) is provided on the mounting surface (22).

5. The roof waterproof structure according to claim 1, characterized in that: A top cover transition surface (23) is provided at a portion of the second top cover (2) close to the first top cover (4).

6. The roof waterproof structure according to claim 5, characterized in that: The top cover transition surface (23) is a sloped surface.

7. The roof waterproof structure according to claim 5, characterized in that: A welding surface (24) is provided on the second top cover (2) at a position close to the top cover transition surface (23), and the welding surface (24) is welded to the side panels (6) in an alternating manner.

8. The roof waterproof structure according to any one of claims 1 to 7, characterized in that: The first top cover (4) and the second top cover (2) are welded in an alternating manner.

9. The roof waterproof structure according to claim 8, characterized in that: The second top cover (2) is provided with a plurality of welding points (7) connected to the first top cover (4).

10. The roof waterproof structure according to any one of claims 1 to 7, characterized in that: The second top cover (2) and the first top cover (4) are both provided with a connecting surface (25) on the side facing away from the attachment (1), and a second adhesive strip (251) is provided on the connecting surface (25).

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