Vehicle body water sealing structure
By setting a multi-layer waterproof structure of expanded rubber blocks and sealing rubber strips between the side enclosure outer plate and the A-pillar reinforcement plate, the problem of complex water sealing structure and poor sealing effect of the car body is solved, and efficient waterproofing effect is achieved.
Patent Information
- Application Number
- CN202422806534.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-11-18
AI Technical Summary
The water seal structure of existing cars is complex and has poor sealing effect, which cannot effectively prevent water leakage.
Expansion glue blocks and sealing strips are installed in the installation groove between the side enclosure outer plate and the A-column reinforcement plate. Sealing is achieved through baking and expansion bonding, and combined with the sealing strips at the weld welds to form a multi-layer waterproof structure.
It realizes complete sealing at the connection between the side enclosure outer plate and the A-pillar reinforcement plate, with a simple structure and excellent waterproof performance.
Smart Images

Figure CN223279030U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile manufacturing, and in particular to a vehicle body water sealing structure. Background Art
[0002] SSTS stands for Subsystem Technical Specification, which refers to the design constraints and requirements for a subsystem, including its definition, function, performance, and appearance. For water management, SSTS primarily refers to the specific sealing requirements for components that need to be assembled at the wet and dry interface of the vehicle body. Currently, the water sealing structure of a car body is complex, unstable, and has poor sealing effectiveness.
[0003] After searching, the applicant found that the Chinese patent document with publication number 203946046U disclosed a seal for automobile body holes on November 19, 2014, including a cover body, the end face of the cover body can be tightly attached to the car body, the middle part of the end face of the cover body has a protruding clip that can be engaged with the hole in the car body, the end face of the cover body relative to the inner ring of the clip is connected to a sound insulation block, the end face of the cover body relative to the outer periphery of the clip is connected to a vibration-damping block that can reduce the vibration energy of the car body, the end face of the cover body relative to the inner ring of the clip is provided with a downwardly protruding buckle, the sound insulation block is provided with a corresponding slot, and the sound insulation block is connected to the cover body through the cooperation of the buckle and the slot; this device also cannot solve the above technical problems.
[0004] Therefore, in order to improve or solve at least one of the above problems, it is necessary to provide a vehicle body water sealing structure with a simple structure and good water sealing effect. Utility Model Content
[0005] The purpose of the utility model is to provide a vehicle body water sealing structure with a simple structure and good water sealing effect.
[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: a vehicle body water sealing structure, including a side outer panel and an A-pillar reinforcement plate; an installation groove is provided on the side outer panel; a first waterproof structure is provided in the installation groove; a second waterproof structure is provided between the side outer panel and the A-pillar reinforcement plate.
[0007] The side outer plate includes a top plate; a side plate is provided at the bottom of the top plate; the side plates are respectively provided on both sides of the top plate; and the mounting groove is provided between adjacent side plates.
[0008] The A-pillar reinforcement plate includes a first connecting plate; the first connecting plate is arranged in the mounting groove; and the first waterproof structure is arranged between the first connecting plate and the top plate.
[0009] The first waterproof structure includes an expansion rubber block; a groove is provided on the first connecting plate; a mounting base is provided in the groove; the expansion rubber block is arranged on the mounting base, and the expansion rubber block is tightly pressed against the top plate.
[0010] The A-pillar reinforcement plate includes a second connecting plate; the second waterproof structure is provided between the second connecting plate and the side plate.
[0011] The side plate includes a bent section; the second waterproof structure includes a sealing strip; the sealing strip is arranged between the bent section and the second connecting plate.
[0012] The bending section is provided with a glue groove; the glue groove is arranged along the edge of the bending section; and the sealing rubber strip is arranged in the glue groove.
[0013] The beneficial effects of this application are:
[0014] An installation groove is provided between the side outer panel and the A-pillar reinforcement plate of the present application; an expansion rubber block is installed in the installation groove; the expansion rubber block overflows from the installation groove after baking and expansion, and its foamed part can be bonded to the side outer panel and the A-pillar reinforcement plate respectively, and solidifies after cooling, so as to achieve complete sealing of the connection between the side outer panel and the A-pillar reinforcement plate.
[0015] The present application provides a glue groove on the side panel of the side outer panel, and adds a sealing strip in the glue groove; the bent section of the side panel is welded to the top surface of the second connecting plate; the glue groove is provided at the weld, and the sealing strip solidifies after baking, which can fully seal the weld; at the same time, the expansion glue block overlaps with the sealing strip after baking and expansion, thereby achieving effective waterproof sealing at the connection between the side outer panel and the A-pillar reinforcement plate; the present device has a simple structure and good waterproof sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The specific embodiments of the present invention are further described in detail below with reference to the accompanying drawings, wherein:
[0017] Figure 1 This is a structural diagram of the water sealing structure of the vehicle body.
[0018] The marks in the above figure are:
[0019] The following are marked in the figure:
[0020] 1. Side outer panel, 101, mounting slot,
[0021] 2. A-pillar reinforcement plate,
[0022] 3. Top plate,
[0023] 4. Side panel, 401, bending section, 402, glue groove,
[0024] 5. First connecting plate, 501, groove, 502, mounting base,
[0025] 6. Expanding rubber block,
[0026] 7. Second connecting plate,
[0027] 8. Sealing strips. DETAILED DESCRIPTION
[0028] The following is a further detailed description of the specific implementation methods of the present invention by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention and to facilitate its implementation.
[0029] Figure 1 The vehicle body water sealing structure shown includes a side outer panel 1 and an A-pillar reinforcement plate 2; a mounting groove 101 is provided on the side outer panel 1; a first waterproof structure is provided in the mounting groove 101; and a second waterproof structure is provided between the side outer panel 1 and the A-pillar reinforcement plate 2.
[0030] The first waterproof structure can achieve effective sealing of the mounting groove 101 of the side outer panel 1 and the A-pillar reinforcement panel 2; the second waterproof structure can achieve sealing of the edges of the side outer panel 1 and the A-pillar reinforcement panel 2; at the same time, the first waterproof structure and the second waterproof structure can be overlapped by heat, thereby achieving sufficient sealing of the connection between the side outer panel 1 and the A-pillar reinforcement panel 2.
[0031] The side outer panel 1 includes a top panel 3 ; a side panel 4 is provided at the bottom of the top panel 3 ; the side panels 4 are respectively provided on both sides of the top panel 3 ; and a mounting groove 101 is provided between adjacent side panels 4 .
[0032] The side outer panel 1 is a covering part and is the main component of the vehicle body and the water-tight dry-wet interface of the entire vehicle. It forms a dry area with the roof, floor, front panel, rear panel outer panel and related accessories to protect passengers in the dry area from being disturbed by rain; the A-pillar reinforcement plate 2 is one of the components of the safety cabin, and is also a component of the overlap area between the side panel and the front panel in the dry-wet interface; the side outer panel 1 is a "J"-shaped structure; the top panel 3 and the side panel 4 are an integrated structure; the mounting groove 101 is provided between the top panel 3, the side panels 4 on both sides and the top surface of the A-pillar reinforcement plate 2; the side panel 4 is welded to the top surface of the A-pillar reinforcement plate 2.
[0033] The A-pillar reinforcement plate 2 includes a first connecting plate 5 ; the first connecting plate 5 is disposed in the mounting groove 101 ; and the first waterproof structure is disposed between the first connecting plate 5 and the top plate 3 .
[0034] The first connecting plate 5 and the A-pillar reinforcement plate 2 are an integral structure; the first connecting plate 5 is inserted into the mounting groove 101; the first waterproof structure is fixedly connected between the first connecting plate 5 and the top plate 3; after the first waterproof structure is baked and expanded, it can effectively seal the mounting groove 101.
[0035] The first waterproof structure includes an expansion rubber block 6; a groove 501 is provided on the first connecting plate 5; a mounting base 502 is provided in the groove 501; the expansion rubber block 6 is provided on the mounting base 502, and the expansion rubber block 6 is tightly pressed against the top plate 3.
[0036] The expansion rubber block 6 is a sealing component composed of a plastic bracket and a foaming part. It is mainly used in areas where the vehicle body structure is complex, difficult to seal later and must be sealed. It is generally pre-arranged in a defined cavity area during welding. After painting, the foaming part is bonded to the sheet metal after baking to achieve a sealing effect; the mounting base 502 is fixedly connected to the groove 501, and the expansion rubber block 6 is fixedly connected to the mounting base 502; the top of the expansion rubber block 6 is pressed against the top plate 3.
[0037] The A-pillar reinforcement plate 2 includes a second connecting plate 7 ; the second waterproof structure is provided between the second connecting plate 7 and the side plate 4 .
[0038] The second connecting plate 7 and the first connecting plate 5 are an integral structure, and the second connecting plate 7 is arranged on one side of the first connecting plate 5 ; the second waterproof structure can achieve waterproof sealing between the second connecting plate 7 and the side plate 4 .
[0039] The side panel 4 includes a bent section 401 ; the second waterproof structure includes a sealing strip 8 ; the sealing strip 8 is provided between the bent section 401 and the second connecting plate 7 .
[0040] The bending section 401 and the side panel 4 are an integral structure; the bending section 401 is welded to the top surface of the second connecting plate 7; the sealing strip 8 is provided at the weld between the bending section 401 and the second connecting plate 7; thereby achieving a waterproof seal at the weld between the two.
[0041] A glue groove 402 is provided on the bending section 401 ; the glue groove 402 is provided along the edge of the bending section 401 ; and the sealing rubber strip 8 is provided in the glue groove 402 .
[0042] The glue groove 402 is a square groove; the glue groove 402 is arranged at the edge of the bending section 401, and the sealing strip 8 is added to the glue groove 402. When the sealing strip 8 and the expansion rubber block 6 are baked and expanded, the two are overlapped together, which can achieve effective sealing of the connection between the side outer panel 1 and the A-pillar reinforcement plate 2.
[0043] The specific workflow of this utility model is as follows:
[0044] An installation groove 101 is provided between the side outer panel 1 and the A-pillar reinforcement plate 2 of the present application; an expansion rubber block 6 is installed in the installation groove 101; the expansion rubber block 6 overflows from the installation groove 101 after baking and expansion, and its foamed part can be bonded to the side outer panel 1 and the A-pillar reinforcement plate 2 respectively, and solidifies after cooling, so as to achieve complete sealing of the connection between the side outer panel 1 and the A-pillar reinforcement plate 2.
[0045] In the present application, a glue groove 402 is provided on the side panel 4 of the side outer panel 1, and a sealing strip 8 is added to the glue groove 402; the bent section 401 of the side panel 4 is welded to the top surface of the second connecting plate 7; the glue groove 402 is provided at the weld, and the sealing strip 8 solidifies after baking, which can fully seal the weld; at the same time, the expansion rubber block 6 overlaps with the sealing strip 8 after baking and expansion, thereby realizing effective waterproof sealing at the connection between the side outer panel 1 and the A-pillar reinforcement plate 2.
[0046] The above description of the present invention is provided as an example, in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described method. Any non-substantial improvements made using the method concepts and technical solutions of the present invention, or any application of the above-described concepts and technical solutions of the present invention to other situations without modification, are all within the scope of protection of the present invention.
Claims
1. A vehicle body water sealing structure, characterized by: The invention comprises a side outer panel (1) and an A-pillar reinforcement panel (2); a mounting groove (101) is provided on the side outer panel (1); a first waterproof structure is provided in the mounting groove (101); and a second waterproof structure is provided between the side outer panel (1) and the A-pillar reinforcement panel (2).
2. A vehicle body water sealing structure according to claim 1, characterized in that: The side outer plate (1) comprises a top plate (3); a side plate (4) is provided at the bottom of the top plate (3); the side plates (4) are respectively provided on both sides of the top plate (3); and the mounting groove (101) is provided between adjacent side plates (4).
3. A vehicle body water sealing structure according to claim 2, characterized in that: The A-pillar reinforcement plate (2) comprises a first connecting plate (5); the first connecting plate (5) is arranged in the mounting groove (101); and the first waterproof structure is arranged between the first connecting plate (5) and the top plate (3).
4. A vehicle body water sealing structure according to claim 3, characterized in that: The first waterproof structure comprises an expansion rubber block (6); a groove (501) is provided on the first connecting plate (5); a mounting base (502) is provided in the groove (501); the expansion rubber block (6) is provided on the mounting base (502), and the expansion rubber block (6) is tightly pressed against the top plate (3).
5. A vehicle body water sealing structure according to any one of claims 2 to 4, characterized in that: The A-pillar reinforcement plate (2) includes a second connecting plate (7); the second waterproof structure is provided between the second connecting plate (7) and the side plate (4).
6. The vehicle body water sealing structure according to claim 5, characterized in that: The side plate (4) includes a bent section (401); the second waterproof structure includes a sealing strip (8); the sealing strip (8) is provided between the bent section (401) and the second connecting plate (7).
7. A vehicle body water sealing structure according to claim 6, characterized in that: The bending section (401) is provided with a glue groove (402); the glue groove (402) is arranged along the edge of the bending section (401); and the sealing rubber strip (8) is arranged in the glue groove (402).
Citation Information
Patent Citations
Sealing element for automobile body hole
CN203946046U