CN112389173A - Automobile back door water flowing structure - Google Patents
Automobile back door water flowing structure Download PDFInfo
- Publication number
- CN112389173A CN112389173A CN201911053450.6A CN201911053450A CN112389173A CN 112389173 A CN112389173 A CN 112389173A CN 201911053450 A CN201911053450 A CN 201911053450A CN 112389173 A CN112389173 A CN 112389173A
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- CN
- China
- Prior art keywords
- back door
- drainage
- muscle
- water
- automobile
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/20—Sealing arrangements characterised by the shape
- B60J10/25—Sealing arrangements characterised by the shape characterised by water drainage means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/80—Sealing arrangements specially adapted for opening panels, e.g. doors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/82—Elements for improving aerodynamics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Seal Device For Vehicle (AREA)
Abstract
The invention relates to an automobile back door flow structure which comprises a back door frame enclosing an automobile back door opening, wherein a back door spigot edge surrounding the automobile back door opening is arranged on the back door frame, and a back door sealing strip is arranged on the back door spigot edge; the back of the body door tang limit is including setting up the lower tang limit in the lower framework of back of the body door frame, the left part and the right part on lower tang limit respectively are equipped with one to the convex muscle that blocks water of car outside direction, the left part and the right part of lower framework respectively are equipped with one to the sunken first drainage muscle of car inside direction, the one end of two first drainage muscle is all on tang limit down, the other end of two first drainage muscle all extends to down on the region outside the tang limit section, two first drainage muscle are located the upper reaches of two muscle that block water respectively. The invention can reduce the possibility that water enters the backdoor sealing strip, can more thoroughly discharge the water in the backdoor sealing strip and reduce the possibility of water permeating into the vehicle; through setting up first heavy platform and side wall planking overlap joint, can guarantee that the outward appearance is smooth-going pleasing to the eye.
Description
Technical Field
The invention relates to automobile parts, in particular to an automobile back door flow structure.
Background
The automobile back door flow structure has the main functions of guiding water flow to flow out of the automobile through the flow channel, so that the water flow is prevented from permeating into the automobile body, the environment in the automobile is comfortable, and early rusting caused by contact of automobile body metal plates and rainwater is avoided; when the back door is in an open state, the water flowing groove area is visible, and certain aesthetic property is required on the appearance. A common automobile backdoor flow structure is shown in figures 1 and 2, and comprises a backdoor frame enclosed by an original top cover outer plate 5, two original flow water grooves 3, two original tail light installing supports 2 and an original tail apron plate 1, wherein the upper ends of the two original flow water grooves 3 are respectively lapped with the left end and the right end of the original top cover outer plate 5, the upper ends of the two original tail light installing supports 2 are respectively lapped with the lower ends of the two original flow water grooves 3, the lower ends of the two original tail light installing supports 2 are respectively lapped with the two ends of the original tail apron plate 1, a seam allowance edge surrounding a backdoor opening is arranged on the backdoor frame, and an original backdoor sealing strip 7 is arranged on the seam allowance edge. The flow structure of the automobile back door has the following problems: as shown in fig. 2, the original flume 3 and the original side-wall outer plate 6 are lapped through a lapping flanging 8, and the lapping area has sudden change of material thickness due to complex characteristics, so that the flume decorating part 4 is required to be added to shield to improve the appearance quality, and the manufacturing cost of the whole vehicle is increased; the water in the original water flow groove 3 easily enters the original backdoor sealing strip 7, and the water in the original backdoor sealing strip 7 is easily gathered at the lower part of the original backdoor sealing strip 7, so that the water is easily infiltrated into the vehicle.
Disclosure of Invention
The object of the present invention is to propose a water flow structure for a tailgate of a motor vehicle, in order to reduce or eliminate at least one of the above-mentioned technical problems.
The invention relates to an automobile back door flow structure, which comprises a back door frame enclosing an automobile back door opening, wherein the back door frame is composed of an upper frame body, a right frame body, a lower frame body and a left frame body which are sequentially connected end to end; the back of the body door tang limit is including setting up lower tang limit in the framework down, the left part and the right part on tang limit respectively are equipped with one and respectively to the convex muscle that blocks water of car external direction down, the left part and the right part of framework down respectively are equipped with one and respectively to the sunken first drainage muscle of car internal direction, two the one end of first drainage muscle is all in tang edge, two down the other end of first drainage muscle all extends to on the region outside the tang limit section down, two first drainage muscle is located two respectively the upper reaches of muscle blocks water.
Furthermore, a plurality of second drainage ribs which are sunken towards the interior of the car are arranged at the lower part of the back door frame, one end of each second drainage rib is arranged on the front edge of the back door, and the other end of each second drainage rib extends to an area outside the front edge of the back door.
Further, the lower part of the back door frame is a tail skirt board, and the two first drainage ribs, the two water blocking ribs and the plurality of second drainage ribs are all arranged on the tail skirt board.
Further, the upstream and downstream of each first drainage rib are provided with the second drainage rib.
Further, the two water blocking ribs are respectively positioned on the left end part and the end part of the lower spigot edge.
Further, the left frame body and the right frame body comprise water flowing grooves with U-shaped sections, the side wall, close to the automobile back door opening, of the two side walls of each water flowing groove is a second side wall, the edges, extending in the length direction, of the second side walls are provided with second sinking platforms sunken in the direction of the automobile back door opening, and the second sinking platforms are sections of the back door opening edge.
Further, the side wall far away from the door opening of the automobile back door in the two side walls of the launder is a first side wall, and an outwardly concave first sinking platform is arranged on the edge of the first side wall extending along the length direction of the launder.
According to the invention, the structure of the back door spigot edge is reasonably arranged, so that the possibility of water entering the back door sealing strip can be reduced, the water in the back door sealing strip can be discharged by arranging the first water discharging rib and the second water discharging rib, the water in the back door sealing strip can be more thoroughly discharged by arranging the water blocking rib, the integral water discharging performance of the automobile back door water flowing structure is enhanced, and the possibility of water permeating into an automobile is reduced; through setting up first heavy platform and side wall planking overlap joint, can guarantee that the outward appearance is smooth-going pleasing to the eye, need not additionally increase outward appearance decoration, can save whole car manufacturing cost.
Drawings
FIG. 1 is a schematic structural diagram of a water flow structure of a backdoor of an automobile according to the background art;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic structural diagram of a flow structure of an automobile tailgate in an embodiment;
FIG. 4 is an exploded view of a flow structure of an automobile tailgate according to an embodiment;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a schematic structural view of the tail skirt plate;
FIG. 7 is an enlarged view at C of FIG. 6;
fig. 8 is a schematic structural view of a water blocking rib.
In the figure: 1-original tail apron board; 2, mounting a bracket for an original tail lamp; 3-primary flow water tank; 4-gutter channel decoration; 5, original top cover outer plate; 6-original side outer plate; 7-original back door sealing strip; 8, overlapping and flanging; 9-tail skirt board; 10-tail lamp mounting bracket; 11-flume; 12-a top cover outer plate; 13-side outer plate; 14-backdoor seal strip; 15 — a first side wall; 16 — a second side wall; 17-a first sinking platform; 18-a second sinking platform; 19-sealing lip; 20-a water flow channel; 21-the spigot edge of the tail skirt plate; 22-drainage ribs; 23-water blocking rib.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 3 to 8, an automobile back door flow structure comprises a back door frame enclosing an automobile back door opening, wherein the back door frame is composed of an upper frame body, a right frame body, a lower frame body and a left frame body which are sequentially connected end to end, a back door seam allowance edge surrounding the automobile back door opening is arranged on the back door frame, a back door sealing strip 14 is arranged on the back door seam allowance edge, and the back door seam allowance edge is clamped in the back door sealing strip 14; the back of the body door tang limit is including setting up the lower tang limit in framework down, and the left part and the right part on lower tang limit respectively are equipped with one and to the convex muscle 23 that blocks water of car external direction, and the left part and the right part of framework down respectively are equipped with one and to the sunken first drainage muscle of car internal direction, and the one end of two first drainage muscle is all on tang limit down, and the other end of two first drainage muscle all extends to down on the region outside the tang limit section, and two first drainage muscle are located the upper reaches of two muscle 23 that block water respectively. Be equipped with many sealing lips 19 with back of the body door tang limit contact in the sealing strip 14, form flowing water passageway 20 between the sealing lip 19, the one end and the flowing water passageway 20 of first drainage muscle are linked together, and the muscle 23 extrusion sealing lip 19 that blocks water for flowing water passageway 20 diminishes, lets more water discharge from first drainage muscle, makes the hydroenergy in the flowing water passageway 20 enough fully discharge, reduces the possibility of water gathering in flowing water passageway 20. The whole drainage performance of the water flowing structure of the automobile back door is enhanced, and the water leakage risk of the automobile is reduced.
In this embodiment, the back door frame is formed by overlapping a roof outer panel 12, two water flowing grooves 11, two tail light mounting brackets 10 and a tail skirt panel 9, the roof outer panel 12, the two water flowing grooves 11, the two tail light mounting brackets 10 and the tail skirt panel 9 are all sheet metal parts, upper ends of the two water flowing grooves 11 are overlapped with left and right end portions of the roof outer panel 12, upper ends of the two tail light mounting brackets 10 are overlapped with lower end portions of the two water flowing grooves 11, and lower end portions of the two tail light mounting brackets 10 are overlapped with both ends of the tail skirt panel 9.
In this embodiment, the lower part of back door frame is equipped with many second drainage muscle sunken to the interior direction of car, and the one end of second drainage muscle is on back door tang edge, and on the other end of second drainage muscle extended to the region outside back door tang edge, second drainage muscle was the same with first drainage muscle effect. Further, two muscle 23 that block water are located the left end portion on lower tang limit and have the tip respectively on, through experimental discovery, set up muscle 23 that blocks water on the left end portion on lower tang limit and have the tip, drainage effect is the best. Preferably, the height of the water blocking rib 23 is designed to be 2-3mm, so that the water blocking effect and the appearance of the door sealing strip can be considered at the same time. It is found through the comparison that the drainage ability of the drainage structure provided with the two water blocking ribs 23, the two first drainage ribs and the plurality of second drainage ribs is stronger than the drainage ability of the drainage structure provided with only the two first drainage ribs and the plurality of second drainage ribs.
In this embodiment, the lower portion of the back door frame is the tail skirt 9, the tail skirt 9 is provided with a tail skirt stop edge 21 close to the door opening of the back door of the automobile, the tail skirt stop edge 21 is a section of the back door stop edge, the tail skirt 9 is provided with a plurality of drainage ribs 22 distributed along the length direction of the tail skirt stop edge 21, two of the drainage ribs 22 are the first drainage ribs, other drainage ribs 22 are the second drainage ribs, and the two water blocking ribs 23 are also arranged on the tail skirt stop edge 21. Further, the upstream and the downstream of each first drainage rib are provided with a second drainage rib. The upstream and the downstream are based on the water flow direction in the backdoor sealing strip 14, the water blocking rib 23 located on the left side in the two water blocking ribs 23 is arranged on the right side of the first water drainage rib located on the left side in the two first water drainage ribs, and the water blocking rib 23 located on the right side in the two water blocking ribs 23 is arranged on the left side of the first water drainage rib located on the right side in the two first water drainage ribs.
In this embodiment, the left frame body and the right frame body both include the tye 11 with a U-shaped cross section, the side wall of the two side walls of the tye 11 near the door opening of the back door of the automobile is the second side wall 16, the edge of the second side wall 16 extending along the length direction of the tye 11 is provided with the second sinking platform 18 sinking towards the door opening of the back door of the automobile, and the second sinking platform 18 is a section of the edge of the back door stop. In this embodiment, back of the body door tang limit includes end to end's lower tang limit, right tang limit, top tang limit and left tang limit in proper order, and lower tang limit, right tang limit and left tang limit are the heavy platform structure sunken to car back of the body door opening direction, and left tang limit sets up in left framework, and right tang limit sets up in right framework, and top tang limit sets up in last framework. The counter sink structure can form a step surface which is abutted against the sealing lip 19 of the backdoor sealing strip 14, and the sealing performance of the backdoor sealing strip 14 is improved, so that the backdoor sealing strip 14 can be far away from the flowing water area, and the possibility of water entering the backdoor sealing strip 14 is reduced.
Further, the lateral wall far away from the automobile back door opening in two lateral walls of the launder 11 is the first lateral wall 15, the edge that the running water tank 11 length direction of the first lateral wall 15 extends is provided with the first heavy platform 17 of outside sunken, the first heavy platform 17 is used for lapping with the side wall planking 13, form two-layer panel beating heavy platform lap-joint structure, can guarantee that the outward appearance is smooth and beautiful, need not additionally increase the outward appearance decoration, can save whole car manufacturing cost, the lap-joint structure between each spare part of back door frame all can adopt two-layer panel beating heavy platform lap-joint structure, in order to guarantee that the outward appearance is smooth and beautiful.
Claims (7)
1. A car back door running water structure comprises a back door frame enclosing a car back door opening, wherein the back door frame is composed of an upper frame body, a right frame body, a lower frame body and a left frame body which are sequentially connected end to end; the method is characterized in that: the back of the body door tang limit is including setting up lower tang limit in the framework down, the left part and the right part on tang limit respectively are equipped with one and respectively to the convex muscle that blocks water of car external direction down, the left part and the right part of framework down respectively are equipped with one and respectively to the sunken first drainage muscle of car internal direction, two the one end of first drainage muscle is all in tang edge, two down the other end of first drainage muscle all extends to on the region outside the tang limit section down, two first drainage muscle is located two respectively the upper reaches of muscle blocks water.
2. The automobile tailgate flow structure according to claim 1, characterized in that: the lower part of the back door frame is provided with a plurality of second drainage ribs sunken towards the interior of the car, one ends of the second drainage ribs are arranged on the front edge of the back door, and the other ends of the second drainage ribs extend to the region outside the front edge of the back door.
3. The automotive tailgate flow structure according to claim 2, characterized in that: the lower part of the back door frame is a tail skirt board, and the two first drainage ribs, the two water blocking ribs and the plurality of second drainage ribs are all arranged on the tail skirt board.
4. The automotive tailgate flow structure according to claim 2, characterized in that: and the upstream and the downstream of each first drainage rib are provided with the second drainage ribs.
5. The automobile tailgate flow structure according to claim 1, characterized in that: the two water blocking ribs are respectively positioned on the left end part and the end part of the lower spigot edge.
6. The automobile tailgate flow structure according to claim 1, characterized in that: the left side framework with the right side framework all includes that the cross-section is the tye of U-shaped, the lateral wall that is close to car back of the body door opening in two lateral walls of tye is the second lateral wall, the edge of second lateral wall be equipped with on the edge that tye length direction extends to the sunken heavy platform of second of car back of the body door opening direction, the heavy platform of second is one section on back of the body door spigot limit.
7. The automobile tailgate flow structure according to claim 6, characterized in that: the side wall far away from the automobile back door opening in the two side walls of the launder is a first side wall, and a first sinking platform which is sunken outwards is arranged on the edge of the first side wall extending along the length direction of the launder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911053450.6A CN112389173B (en) | 2019-10-31 | 2019-10-31 | Automobile back door water flowing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911053450.6A CN112389173B (en) | 2019-10-31 | 2019-10-31 | Automobile back door water flowing structure |
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| Publication Number | Publication Date |
|---|---|
| CN112389173A true CN112389173A (en) | 2021-02-23 |
| CN112389173B CN112389173B (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911053450.6A Active CN112389173B (en) | 2019-10-31 | 2019-10-31 | Automobile back door water flowing structure |
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| CN (1) | CN112389173B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113415344A (en) * | 2021-07-01 | 2021-09-21 | 重庆长安汽车股份有限公司 | Back threshold flowing water structure and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113415344A (en) * | 2021-07-01 | 2021-09-21 | 重庆长安汽车股份有限公司 | Back threshold flowing water structure and vehicle |
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| Publication number | Publication date |
|---|---|
| CN112389173B (en) | 2023-04-07 |
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