A two-stage tailgate corner joint water routing scheme
By incorporating bubble tubes and water guiding components into the tailgate fixing strip, combined with the design of water-blocking ribs and sealing strips, the problem of water seepage in segmented tailgates under large water volumes is solved, achieving better waterproofing and drainage efficiency, and improving the user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HENNIGES (CHINA) AUTOMOTIVE SEALING SYST CO LTD
- Filing Date
- 2025-07-16
- Publication Date
- 2026-07-03
AI Technical Summary
The existing segmented tailgate has weaknesses in sealing and waterproofing. Especially in the case of large amounts of water, water can easily enter between the sealing strip and the fixing strip through the upper edge of the fixing strip and seep into the vehicle.
A two-stage tailgate corner water drainage scheme is designed. By setting a sealing component on the fixing strip, including a bubble tube and a water guiding component, the water flow is guided by the water inlet and outlet holes on the bubble tube, and the water flow is guided into the bubble tube by the contact of the extension block with the tailgate glass. Combined with the design of the water baffle and sealing strip, the water can be discharged in time.
The tailgate's waterproof performance has been improved, drainage efficiency has been enhanced, water retention in the sealed area has been reduced, water penetration into the vehicle interior has been prevented, and the sealing performance and user experience have been improved.
Smart Images
Figure CN224447437U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive parts technology, and specifically discloses a two-section tailgate corner water guiding scheme. Background Technology
[0002] Car tailgates are divided into one-piece and segmented types, with the one-piece tailgate being the most common, used by most sedans and SUVs. Split tailgates are divided into: 1. Left and right split tailgates; 2. Top and bottom split tailgates; 3. Two sections, with the upper section being a lift-up glass window and the lower section being a right-opening tailgate.
[0003] For example, patent CN217514942U, published on September 30, 2022, discloses a segmented tailgate and vehicle, including a first tailgate, one end of which is hinged to one side of the rear of the vehicle; a first drive device, both ends of which are rotatably connected to the first tailgate and the vehicle respectively; a second tailgate, one end of which is hinged to the other side of the rear of the vehicle; and a second drive device, both ends of which are rotatably connected to the second tailgate and the vehicle respectively. The first drive device and the second drive device can simultaneously drive the first tailgate and the second tailgate to open or close. The above structure enables the tailgate to be segmented, which can greatly reduce the area swept by the tailgate when it is opened, improve the user experience, and has very good practicality.
[0004] The existing tailgate joint design has the drawback that segmented tailgates are relatively weak in terms of sealing and waterproofing. When there is a large amount of water, it can easily seep through the upper edge of the fixing strip into the space between the sealing strip and the fixing strip, and then into the vehicle interior. The seepage path is as follows: Figure 1 As shown. Utility Model Content
[0005] The purpose of this invention is to provide a two-section tailgate corner water guiding solution.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] A two-section tailgate corner water guiding scheme includes a fixing strip that snaps onto the edge of the tailgate glass. The fixing strip is provided with a sealing component, which includes a bubble tube. The bubble tube is arranged along the length of the fixing strip. The fixing strip has a groove. The bubble tube has a water inlet hole at the position of the groove and a water outlet hole at the end of the bubble tube. The bubble tube is also provided with a water guiding component that can guide water into the water inlet hole.
[0008] As described above, a first groove is provided on the fixing strip along its own length direction, and the edge of the tailgate glass is located in the first groove.
[0009] The water guiding component includes an extension block fixed to the bubble tube, the extension block extending into the groove on the fixing strip and contacting the tailgate glass, and the extension block being attached to the tailgate glass.
[0010] As described above, several water-blocking ribs are provided on the bubble tube at the position corresponding to the extension block, and the several water-blocking ribs are arranged side by side along the length direction of the bubble tube.
[0011] As described above, a protrusion is formed on the part of the fixing strip located inside the groove, and a groove is provided on the extension block corresponding to the protrusion.
[0012] As mentioned above, the size of the protrusion is larger than the size of the groove on the extension block.
[0013] As described above, a sealing strip is provided in the first groove, the sealing strip covers the edge of the tailgate glass, and a drainage hole communicating with the first groove is provided on the sealing strip.
[0014] As described above, a second groove is also provided on the fixing strip along its own length direction. The opening directions of the first groove and the second groove are opposite, and the bubble tube is located in the second groove on the fixing strip.
[0015] As described above, a baffle is installed inside the bubble tube, which separates a drainage chamber inside the bubble tube. Both the water inlet and the water outlet are connected to the drainage chamber.
[0016] As described above, the outer wall of the bubble tube has a U-shaped locking interface that matches the fixing strip. The fixing strip extends to the inside of the U-shaped locking interface. A U-shaped locking block is provided inside the bubble tube at the position corresponding to the U-shaped locking interface. The part of the bubble tube inside the U-shaped locking interface has several sealing lips along the length of the bubble tube.
[0017] In the above technical solution, the tailgate corner water guiding scheme provided by this utility model guides the water flow through the slot on the fixing strip and the extension block, so that the water flowing from the end of the fixing strip to the slot can be guided to the water inlet on the bubble tube in a timely manner, and discharged outward through the water outlet at the end of the bubble tube. Attached Figure Description
[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.
[0019] Figure 1 This is a schematic diagram of the seepage path in the existing technology;
[0020] Figure 2 A structural schematic diagram provided for an embodiment of this utility model;
[0021] Figure 3A cross-sectional view of the bubble tube provided in an embodiment of this utility model;
[0022] Figure 4 A schematic diagram of the structure of the fixing strip provided in an embodiment of this utility model;
[0023] Figure 5 A front view of the connection between the bubble tube and the extension block provided in an embodiment of this utility model;
[0024] Figure 6 A schematic diagram of the back structure of the connection state between the bubble tube and the extension block provided in an embodiment of this utility model;
[0025] Figure 7 This is a bottom view of the sealing strip provided in an embodiment of the present utility model.
[0026] Explanation of reference numerals in the attached figures:
[0027] 1. Tailgate glass; 2. Fixing strip; 21. Groove; 22. Protrusion; 23. First groove; 24. Second groove; 3. Bubble tube; 31. Water inlet; 32. Water outlet; 33. Extension block; 331. Groove; 34. Water baffle; 35. Baffle plate; 36. Drainage chamber; 37. U-shaped clip interface; 38. U-shaped clip block; 39. Sealing lip; 4. Sealing strip; 41. Drainage hole; 42. Through groove. Detailed Implementation
[0028] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.
[0029] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," and "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed or operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. 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. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0030] like Figures 2-7As shown in the figure, the present invention provides a two-section tailgate corner water guiding scheme, including a fixing strip 2 that is snapped onto the edge of the tailgate glass 1. The fixing strip 2 is provided with a sealing component, which includes a bubble tube 3. The bubble tube 3 is arranged along the length direction of the fixing strip 2. The fixing strip 2 is provided with a groove 21. The bubble tube 3 is provided with a water inlet hole 31 at the position of the groove 21, and the end of the bubble tube 3 is provided with a water outlet hole 32. The bubble tube 3 is also provided with a water guiding component that can guide water into the water inlet hole 31.
[0031] Furthermore, a first groove 23 is provided on the fixing strip 2 along its own length direction, and the edge of the tailgate glass 1 is located in the first groove 23.
[0032] Specifically, this tailgate corner drainage scheme is mainly used for the third type of segmented tailgate, i.e., the upper section is a lift-up glass window and the lower section is a right-opening tailgate; wherein, the fixing strip 2 is the main structure of the tailgate corner, which is used to protect the tailgate glass 1 and install the bubble tube 3; a first groove 23 is formed on the fixing strip 2, preferably, the width of the first groove 23 is adapted to the thickness of the tailgate glass 1, so that the fixing strip 2 can be engaged with the edge of the tailgate glass 1 through the first groove 23, such as Figure 2 As shown, the fixing strip 2 is made of plastic to ensure that the tailgate glass 1 is not easily scratched during opening and closing. A bubble tube 3 is installed on the fixing strip 2. The bubble tube 3 has a buffering effect, providing cushioning when the tailgate is closed, protecting the tailgate glass 1 from direct impact, and also better adapting to the expansion and contraction of materials at different temperatures, maintaining good sealing. The bubble tube 3 is made of sponge rubber and is installed on the side of the fixing strip 2 away from the tailgate glass 1. A groove 21 is opened on the fixing strip 2, and the bubble tube 3 extends into the groove 21 to increase the contact area between the bubble tube 3 and the fixing strip 2, thereby improving the fixing effect of the bubble tube 3 on the fixing strip 2. However, the opening of the groove 21 causes water to flow from one end of the fixing strip 2 along the contact point between the fixing strip 2 and the tailgate glass 1 to the groove 21, and then seep into the vehicle through the gap between the fixing strip 2 and the bubble tube 3, i.e., along... Figure 1 The path shown permeates into the vehicle; an inlet hole 31 is provided on the bubble tube 3 at the position corresponding to the slot 21, and the end of the bubble tube 3 is also... Figure 3In the view, the left end of the bubble tube 3 has a water outlet 32. A water guiding component is provided on the bubble tube 3, which is correspondingly set with the groove 21. The water guiding component can guide water to the water inlet 31 on the bubble tube 3. By using the internal channel of the bubble tube 3 to guide the water flow in a predetermined direction, that is, the end of the bubble tube 3, and finally discharge it outside the vehicle, it can prevent water from accumulating in key parts, reduce the aging effect of long-term water accumulation on materials and the potential risk of water leakage. Furthermore, by guiding water into the bubble tube 3 and then systematically discharging it outside the vehicle, it not only improves the overall waterproof performance but also enhances the drainage efficiency and reduces the possibility of water stagnating in the sealed area. This can prevent water from seeping into the vehicle through the gap between the fixing strip 2 and the bubble tube 3.
[0033] Furthermore, the water guiding assembly includes an extension block 33 fixed to the bubble tube 3. The extension block 33 extends into the slot 21 on the fixing strip 2 and contacts the tailgate glass 1, and the extension block 33 is attached to the tailgate glass 1.
[0034] Specifically, such as Figure 2 and Figure 3 As shown, the extension block 33 is a right-angled trapezoid, and the side of the extension block 33 that contacts the tailgate glass 1 is thinner. This prevents the extension block 33 from easily separating from the tailgate glass 1 when its edge is touched. Since the extension block 33 extends into the slot 21 on the fixing strip 2 and contacts the tailgate glass 1, water flowing from the end of the fixing strip 2 along the contact position between the fixing strip 2 and the tailgate glass 1 can flow out from the slot 21 and be guided by the water guiding component to the water inlet 31 on the bubble tube 3. Then, it is discharged through the water outlet 32 at the end of the bubble tube 3. This prevents water from flowing from the end of the fixing strip 2 to the slot 21 when the water volume is large, and then seeping into the vehicle through the gap between the fixing strip 2 and the bubble tube 3. In addition, while the extension block 33 has a drainage function, since the extension block 33 and the tailgate glass 1 are directly connected, it can also effectively prevent the bubble tube 3 from separating from the fixing strip 2.
[0035] The tailgate corner water guiding scheme provided by this utility model guides the water flow through the slot 21 opened on the fixing strip 2 and the extension block 33. It can guide the water flowing from the end of the fixing strip 2 to the slot 21 to the water inlet 31 opened on the bubble tube 3 in a timely manner, and discharge it outward through the water outlet 32 opened at the end of the bubble tube 3.
[0036] Furthermore, a number of water-blocking ribs 34 are provided on the bubble tube 3 at the position corresponding to the extension block 33, and the number of water-blocking ribs 34 are arranged side by side along the length direction of the bubble tube 3.
[0037] Specifically, in the above embodiment, the water flowing from the end of the fixing strip 2 to the slot 21 flows into the water inlet 31 of the bubble tube 3, and some of the water also flows along the side where the extension block 33 is connected to the bubble tube 3 towards the middle of the bubble tube 3, thus seeping into the vehicle interior; in this embodiment, several water-blocking ribs 34 are provided at the position where the extension block 33 is connected to the bubble tube 3, such as Figure 3 and Figure 6 As shown, several water-blocking ribs 34 are along the length of the bubble tube 3, that is... Figure 3 The water flow is arranged horizontally in sequence, so that when the water flow is too large, the water-blocking ribs 34 can block the water flowing towards the middle of the bubble tube 3, and prevent the water from flowing towards the middle of the bubble tube 3 along the side where the extension block 33 is connected to the bubble tube 3.
[0038] Furthermore, a protrusion 22 is formed on the part of the fixing strip 2 located inside the groove 21, and a groove 331 is provided on the extension block 33 corresponding to the position of the protrusion 22.
[0039] Preferably, the size of the protrusion 22 is larger than the size of the groove 331 on the extension block 33.
[0040] Specifically, to improve the connection between the extension block 33 and the fixing strip 2, thereby enhancing the fixing effect on the bubble tube 3, a protrusion 22 is formed on the fixing strip 2, and a groove 331 is provided at a corresponding position on the extension block 33, such as... Figure 4 and Figure 5 As shown, by utilizing the cooperation between the protrusion 22 and the groove 331, the contact area between the extension block 33 and the fixing strip 2 is increased, thereby improving the fixing effect of the extension block 33 on the fixing strip 2. The size of the protrusion 22 is slightly larger than the size of the groove 331 on the extension block 33, so that the protrusion 22 and the groove 331 can form an interference fit. Obviously, in order to ensure the fixing effect of the extension block 33 on the fixing strip 2 and prevent the bubble tube 3 from detaching from the fixing strip 2, multiple sets of protrusions 22 are provided on the fixing strip 2. The multiple sets of protrusions 22 are respectively arranged along the length direction and the width direction of the fixing strip 2, such as... Figure 4 As shown.
[0041] Furthermore, a first groove 23 is provided on the fixing strip 2 along its own length direction, the edge of the tailgate glass 1 is located in the first groove 23, a sealing strip 4 is provided in the first groove 23, the sealing strip 4 covers the edge of the tailgate glass 1, and a drainage hole 41 communicating with the first groove 23 is provided on the sealing strip 4.
[0042] Specifically, to enhance the protection of the tailgate glass 1, a sealing strip 4 is wrapped around the edge of the tailgate glass 1, such as... Figure 4As shown, the sealing strip 4 has a U-shaped cross-section, and the fixing strip 2 has a first groove 23 along its length. Unlike the previous embodiment, the width of the first groove 23 is greater than the thickness of the tailgate glass 1, to allow sufficient space for installing the sealing strip 4. The sealing strip 4 is snapped into the first groove 23, as shown. Figure 2 As shown, in order to allow water between the tailgate glass 1 and the sealing strip 4 to drain through the groove 21 on the fixing strip 2, the sealing strip 4 is provided with a drain hole 41 that communicates with the first groove 23, such as... Figure 7 As shown; obviously, in order to ensure that the extension block 33 can fit with the tailgate glass 1, a through groove 42 is provided on the sealing strip 4 at the position corresponding to the groove 21. Similarly, in order to improve the connection between the sealing strip 4 and the fixing strip 2, a groove 331 is provided on the outer wall of the sealing strip 4, and a protrusion 22 is provided on the inner wall of the fixing strip 2. The two work together to increase the fixing degree of the sealing strip 4.
[0043] Furthermore, a second groove 24 is provided on the fixing strip 2 along its own length direction. The opening directions of the first groove 23 and the second groove 24 are opposite, and the bubble tube 3 is located in the second groove 24 on the fixing strip 2.
[0044] Specifically, such as Figure 4 As shown, a second groove 24 is provided on the fixing strip 2, and the bubble tube 3 is located in the second groove 24. The second groove 24 restricts the bubble tube 3, thereby ensuring that the bubble tube 3 always stays along the length direction of the fixing strip 2.
[0045] Furthermore, a baffle 35 is provided inside the bubble tube 3, which separates a drain cavity 36 inside the bubble tube 3. Both the water inlet 31 and the water outlet 32 are connected to the drain cavity 36.
[0046] Specifically, such as Figure 3 As shown, to prevent water from flowing towards the middle of the bubble tube 3, in this embodiment, a baffle 35 is provided inside the bubble tube 3. The baffle 35 is also made of rubber to ensure the flexibility of the bubble tube 3. Figure 3 The left side of the bubble tube 3 is the end of the bubble tube 3. The baffle 35 is fixed to the right side of the water inlet 31. The baffle 35 divides the internal space of the bubble tube 3 into two chambers, one large and one small. The water inlet 31 and the water outlet 32 correspond to the smaller chamber, namely the drain chamber 36, so that the water flowing into the drain chamber 36 can be discharged in time and prevent water from accumulating in the large chamber in the middle of the bubble tube 3.
[0047] Furthermore, the outer wall of the bubble tube 3 is formed with a U-shaped card interface 37 that matches the fixing strip 2. The fixing strip 2 extends to the inner side of the U-shaped card interface 37. A U-shaped card block 38 is provided inside the bubble tube 3 at the position corresponding to the U-shaped card interface 37. A number of sealing lips 39 are provided along the length direction of the bubble tube 3 on the part of the bubble tube 3 located inside the U-shaped card interface 37.
[0048] Specifically, such as Figure 2 and Figure 5 As shown, to further improve the fixing effect of the bubble tube 3 on the fixing strip 2, in this embodiment, a U-shaped locking interface 37 that matches the fixing strip 2 is formed on the bubble tube 3. To ensure the stability of the shape of the U-shaped locking interface 37, a U-shaped locking block 38 is provided on the bubble tube 3 at the position corresponding to the U-shaped locking interface 37 (the interior here does not refer to the cavity inside the bubble tube 3, but to the U-shaped locking block 38 being completely wrapped by the structure of the bubble tube 3). The U-shaped locking block 38 is made of metal and has a certain degree of elasticity, so that the U-shaped locking interface 37 of the bubble tube 3 can be firmly locked onto the fixing strip 2. In addition, a number of sealing lips 39 are provided on the inner side of the U-shaped locking interface 37 along the length direction of the bubble tube 3, which further improves the sealing effect between the fixing strip 2 and the bubble tube 3. The sealing lips 39 and the U-shaped locking block 38 are existing technologies and can be directly applied without further description.
[0049] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A two-section tailgate corner water guiding scheme, comprising a fixing strip snapped onto the edge of the tailgate glass, the fixing strip being provided with a sealing component, characterized in that, The sealing assembly includes a bubble tube, which is arranged along the length of a fixing strip. The fixing strip has a slot, and the bubble tube has a water inlet hole at the position of the slot. The end of the bubble tube has a water outlet hole, and the bubble tube is also provided with a water guiding component that can guide water into the water inlet hole.
2. A two-stage tailgate cornering water management solution according to claim 1, wherein, The fixing strip has a first groove along its own length, and the edge of the tailgate glass is located in the first groove.
3. A two-stage tailgate cornering water management solution according to claim 1, wherein, The water guiding assembly includes an extension block fixed to the bubble tube, the extension block extending into a slot on the fixing strip and contacting the tailgate glass, and the extension block being attached to the tailgate glass.
4. A two-stage tailgate corner water routing solution according to claim 3, wherein, Several water-blocking ribs are provided on the bubble tube at the position corresponding to the extension block, and the water-blocking ribs are arranged side by side along the length of the bubble tube.
5. A two-stage tailgate corner water routing solution as defined in claim 1, wherein, The portion of the fixing strip located inside the groove has a protrusion, and the extension block has a groove corresponding to the protrusion.
6. A two-stage tailgate corner water routing solution according to claim 5, wherein, The size of the protrusion is larger than the size of the groove on the extension block.
7. A two-stage tailgate corner water routing solution as defined in claim 1, wherein, A sealing strip is installed in the first groove, which covers the edge of the tailgate glass. A drainage hole communicating with the first groove is opened on the sealing strip.
8. A two-stage tailgate corner water routing solution according to claim 7, wherein, A second groove is also provided on the fixing strip along its own length. The opening directions of the first groove and the second groove are opposite, and the bubble tube is located in the second groove on the fixing strip.
9. A two-section tailgate corner water guiding scheme according to claim 8, characterized in that, A baffle is installed inside the bubble tube, which separates a drainage chamber inside the bubble tube. Both the water inlet and the water outlet are connected to the drainage chamber.
10. A two-stage tailgate cornering water management solution according to claim 1, wherein, The outer wall of the bubble tube has a U-shaped locking interface that matches the fixing strip. The fixing strip extends to the inside of the U-shaped locking interface. A U-shaped locking block is provided inside the bubble tube at the position corresponding to the U-shaped locking interface. The part of the bubble tube inside the U-shaped locking interface has several sealing lips along the length of the bubble tube.