CN217944861U - Outer belt line reinforcing plate, door and vehicle - Google Patents

Abstract

The utility model relates to an outer waist line reinforcing plate technical field specifically provides an outer waist line reinforcing plate, door and vehicle. For cost increase and the not good problem of performance promotion when solving current outer waist line reinforcing plate increase in strength, the utility model discloses an outer waist line reinforcing plate is formed with the arch along the department outside being close to the top of outer waist line reinforcing plate, and the protruding rear end of the outside waist line reinforcing plate of front end from outer waist line reinforcing plate extends, and bellied middle part is formed with further outside convex additional strengthening. The middle part of the area that is close to the outer edge of top through the research discovery outer waist line reinforcing plate is weak region, is formed with outside convex additional strengthening in the weak region at bellied middle part, and additional strengthening further extends to door planking direction, makes outer waist line reinforcing plate can be connected with the door planking through additional strengthening to improve holistic structural strength, the additional strengthening of outer waist line reinforcing plate increases by a small amount of weight, and is with low costs, has solved the outer weak problem of waist line rigidity of door.

Description

Outer waistline reinforcement panels, doors and vehicles

technical field

The utility model relates to the technical field of outer waistline reinforcement boards, and specifically provides an outer waistline reinforcement board, a car door and a vehicle.

Background technique

Considering the weight reduction and cost reduction of the car body, the door sheet metal thickness of the existing models is relatively thin. At the same time, due to the influence of the exterior shape of the exterior rearview mirror arranged at the same height as the exterior water cut, in order to meet the layout and assembly, the outside water cut is stuck The X-direction (the direction of the body length) of the connected outer waistline reinforcement plate and the outer panel of the door is interrupted, resulting in the rigidity of the outer waistline of the car door not meeting the design requirements, which will cause the following problems: 1. It is stuck on the outer waistline The outer water cut on the line reinforcement plate does not support the glass enough, the glass is easy to turn outward or back and forth when lifting, and the glass vibrates when the door is closed; 2. The outer water cut and the glass are not well sealed, and the contact between the outer water cut and the glass leaks air and water; 3 .The overall strength of the door is weak, the static extrusion strength of the door or the intrusion of the door in the Y direction (body width direction) is large when the vehicle side impacts, resulting in a small living space for the occupants and poor safety.

The traditional solution is to increase the thickness of the sheet metal or add a reinforcement plate to partially reinforce the outer waistline reinforcement plate. However, increasing the material thickness of the outer waistline reinforcement plate will increase the cost and weight and the performance improvement effect is not obvious. Adding reinforcement plates will cost extra Manufacturing costs such as tooling costs for molds, fixtures and welding equipment and welding logistics are generated.

Correspondingly, a new outer waistline reinforcement board is needed in the field to solve the problems of increased cost and poor performance improvement of the existing outer waistline reinforcement board when strength is increased.

Utility model content

The utility model aims to solve the above-mentioned technical problems, that is, to solve the problems of increased cost and poor performance improvement when the strength of the existing outer waistline reinforcing plate is increased.

In the first aspect, the utility model provides an outer waistline reinforcement board, a protrusion is formed near the top outer edge of the outer waistline reinforcement board, and the protrusions extend from the front end of the outer waistline reinforcement board to The rear end of the outer waistline reinforcing plate is extended, and the middle part of the protrusion is formed with a further outwardly protruding reinforcing structure.

In the preferred technical solution of the above-mentioned outer waistline reinforcing plate, the protrusion and the parts on both sides of the protrusion form a structure with a cross-section.

In the preferred technical solution of the above-mentioned outer waistline reinforcing plate, reinforcing ribs are provided at the raised steps.

In the preferred technical solution of the above-mentioned outer waistline reinforcement plate, the width of the reinforcement structure is greater than the width of the protrusion.

In the preferred technical solution of the above-mentioned outer waistline reinforcement plate, a glue coating groove is arranged on the reinforcement structure.

In the second aspect, the utility model also provides a car door, the car door includes a car door inner panel, an outer waistline reinforcing plate and a car door outer panel, and the outer waistline reinforcing plate is fixedly arranged between the inner panel of the car door and the outer door panel. Between the door outer panels, a protrusion is formed near the top outer edge of the outer waistline reinforcement plate, the protrusion is arranged along the direction of the top outer edge, and the middle part of the protrusion is formed with a further An outwardly protruding reinforcing structure, the reinforcing structure is connected with the outer panel of the vehicle door.

In the preferred technical solution of the above-mentioned vehicle door, the outer panel of the vehicle door is connected to the reinforcement structure through an expansion glue layer.

In the preferred technical solution of the above car door, the front end of the outer waistline reinforcing plate is connected to the inner panel of the car door and the upper hinge reinforcing plate on the inner panel of the car door respectively, and the rear end of the outer waistline reinforcing plate is connected to the upper hinge reinforcing plate on the inner panel of the car door. The door inner panel is connected.

In the preferred technical solution of the above-mentioned vehicle door, the flange of the outer panel of the vehicle door is wrapped around the top outer edge of the outer waistline reinforcement panel, and the bottom of the outer waistline reinforcement panel is connected to the outer panel of the vehicle door.

In a third aspect, the present utility model also provides a vehicle, which is provided with the outer waistline reinforcing plate described in any one of the above technical solutions.

Those skilled in the art can understand that the outer waistline reinforcement plate of the present invention is formed with a protrusion near the top outer edge of the outer waistline reinforcement plate, and the protrusions are strengthened from the front end of the outer waistline reinforcement plate to the outer waistline. The rear end of the plate is extended, and the raised middle part is formed with a reinforcing structure further protruding outward.

In the case of adopting the above technical solution, the outer waistline reinforcement plate of the utility model is formed with a protrusion extending from the front end to the rear end of the outer waistline reinforcement plate near the outer edge of the top, and the flange of the outer panel of the door is wrapped On the outer edge of the top of the waistline reinforcement plate, the protrusion can enhance the structural strength of the hemming area and play a good supporting role. Further, through research, it is found that the middle part of the hemming area is a weak area, so on the protrusion A further outwardly protruding reinforcement structure is formed, and the reinforcement structure further extends toward the door outer panel, so that the outer waistline reinforcement plate can be connected with the door outer panel through the reinforcement structure, so as to improve the overall structural strength.

In addition, the reinforcement structure is arranged in the middle of the outer waistline, which can support the outer door panel at the same time, so that the dent resistance of the outer door panel is also improved. Through the research on the weak points of the outer waistline reinforcement plate, the utility model optimizes the local structure of the outer waistline reinforcement plate, improves the performance, and adjusts the draft angle of the profile surface and enlarges the fillet method, so that it can be processed by stamping process , compared with the solution of adding thicker materials to the outer waistline reinforcement plate or adding reinforcement plates, the reinforcement structure of the outer waistline reinforcement plate of the utility model has less added weight and low cost, and can effectively solve the problem of weak rigidity of the outer waistline of the car door. Improve the glass lifting and closing quality, improve the local anti-dent performance of the outer door panel, and improve the user's touch when pressing the sheet metal or pulling the outer handle, and further improve the overall strength of the door. The intrusion (in the width direction of the vehicle body) has been greatly improved, further improving the safety of the vehicle.

Description of drawings

Describe preferred embodiment of the present utility model below in conjunction with accompanying drawing, in accompanying drawing:

Fig. 1 is the structural diagram of the outer waist line reinforcing plate of the present utility model;

Fig. 2 is a structural diagram of the car door inner panel and the outer waistline reinforcement panel of the present invention;

Fig. 3 is the first sectional schematic diagram of the car door of the present invention;

Fig. 4 is a second cross-sectional schematic diagram of the vehicle door of the present invention.

List of reference signs:

1. Outer waistline reinforcing plate; 11. Protrusion; 12. Reinforcing structure; 13. Top outer edge; 14. Reinforcing rib; 15. Front end of outer waistline reinforcing plate; 16. Rear end of outer waistline reinforcing plate; 17. Gap; 2. Door inner panel; 3. Door outer panel; 4. Upper hinge reinforcement plate.

detailed description

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principle of the utility model, and are not intended to limit the protection scope of the utility model. Those skilled in the art can make adjustments as needed so as to adapt to specific applications. For example, the outer waistline reinforcing plate of the present application can be applied to vehicles such as electric vehicles or fuel vehicles, but this is not limiting, and can also be applied to other equipment requiring outer waistline reinforcing plates other than vehicles.

It should be noted that, in the description of the utility model, the front end and the rear end of the outer waistline reinforcing plate refer to the direction of the front of the car and the direction of the rear of the car respectively, and the top and bottom of the outer waistline reinforcing plate are respectively based on the direction of the car. described in height direction.

In addition, it should be noted that in the description of the present utility model, unless otherwise specified and limited, the term "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated Ground connection; it can be a mechanical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

Referring to Figure 1, Figure 3 and Figure 4, in order to solve the problems of increased cost and poor performance when the strength of the existing outer waistline reinforcement board is increased, the outer waistline reinforcement board 1 of the present utility model is placed close to the outer waistline reinforcement board 1 A protrusion 11 is formed on the top outer edge 13 of the outer waistline reinforcement plate, and the protrusion 11 extends from the front end 15 of the outer waistline reinforcement plate to the rear end 16 of the outer waistline reinforcement plate (that is, the length direction of the vehicle body), and the middle part of the protrusion 11 is formed with further A reinforcing structure 12 protruding outward (direction away from the vehicle body). It should be noted that, due to the different positions of the sections, the first section in FIG. 3 can only show the protrusion 11 , while the second section in FIG. 4 can show the reinforcing structure 12 .

The advantage of the above arrangement is: with reference to Fig. 1, Fig. 2 and Fig. 4, the flanging of the door outer panel 3 is wrapped on the top outer edge 13 of the outer waistline reinforcing plate 1, and the front end 15 of the outer waistline reinforcing plate and the outer waistline The rear end 16 of the reinforcing plate is connected to the inner panel 2 of the car door. In order to ensure the smooth surface of the glass lift and the outer panel 3 of the car door, the middle part of the outer waistline reinforcing plate 1 has no rigid connection. Therefore, from the overall view of the door sheet metal, the outer waistline The weakest point of rigidity is the middle area between the outer waistline reinforcing plate 1 and the outer panel 3 of the car door. The front end 15 of the reinforcing plate extends to the protrusion 11 at the rear end 16. This protrusion 11 can effectively improve the structural strength of the hemming area and play a good supporting role. Further, referring to Fig. 4, due to the The middle part is a weak area, and a reinforcement structure 12 protruding toward the door outer panel 3 is formed in the middle of the protrusion 11, and the reinforcement structure 12 further extends toward the door outer panel 3, so that the outer waistline reinforcement plate 1 can pass through the reinforcement structure 12 It is connected with the outer panel 3 of the car door to improve the overall structural strength.

In addition, the reinforcing structure 12 is arranged in the middle of the outer waistline, and can also support the outer door panel 3 at the same time, so that the dent resistance of the outer door panel 3 is also improved. The utility model optimizes the local structure on the outer waistline reinforcement plate 1, while improving the performance, it also adjusts the draft angle of the profile surface and enlarges the fillet method, so that it can be processed by stamping technology. Compared with the outer waistline reinforcement plate 1 The solution of adding thicker materials or increasing the reinforcement plate, the reinforcement structure 12 of the outer waistline reinforcement plate 1 of the utility model has less added weight and low cost, and can effectively solve the problem of weak rigidity of the outer waistline of the car door, and improve the glass lifting and closing quality , the local anti-dent performance of the door outer panel 3 is improved, and the tactile feeling when the user presses the sheet metal or pulls the outer handle is improved, and the overall strength of the door is further improved. The improvement further enhances the safety of the vehicle.

Referring to Fig. 1, Fig. 3 and Fig. 4, in a possible implementation manner, a gap 17 is provided between the front end 15 of the outer waistline reinforcement board and the top outer edge 13 of the outer waistline reinforcement board 1, and the outer waistline reinforcement The board 1 is formed with a protrusion 11 near the top outer edge 13 of the outer waistline reinforcement board 1, and the protrusion 11 extends from the front end 15 of the outer waistline reinforcement board to the rear end 16 of the outer waistline reinforcement board. The parts on both sides of the protrusion 11 form a cross-sectional structure of a few characters, and the middle part of the protrusion 11 is formed with a reinforcing structure 12 protruding further outward (direction away from the vehicle body). The protrusion 11 and the top of the outer waistline reinforcement plate 1 Ribs 14 are provided on the steps between the outer edges 13 . Further, the width of the reinforcement structure 12 is greater than the width of the protrusion 11 , wherein the width direction is the up-down direction in FIG. 3 . Further, the reinforcement structure 12 is also provided with a glue groove (not shown in the figure), so that the reinforcement structure 12 and the door outer panel 3 are connected through the expansion glue layer provided in the glue groove.

It should be noted that the bulge 11 and the parts on both sides of the bulge 11 form a structure with a cross-section in the shape of a few characters. Rounding can be performed on the basis of the shape of "几", and those skilled in the art can set it by themselves according to needs. In addition, there is no restriction on the shape of the outwardly protruding reinforcement structure 12 , which can be set by those skilled in the art according to needs, as long as the reinforcement structure 12 is configured to be able to connect with the door outer panel 3 .

The advantage of the above arrangement is that the flange of the door outer panel 3 is wrapped on the top outer edge 13 of the outer waistline reinforcement panel 1, the front end 15 of the outer waistline reinforcement panel and the rear end 16 of the outer waistline reinforcement panel are connected with the door inner panel. 2 connection, in order to ensure the smoothness of glass lifting and door outer panel 3, there is no rigid connection in the middle of outer waistline reinforcement plate 1, so from the overall view of the door sheet metal, the weakest point of outer waistline rigidity is the outer waistline reinforcement plate 1 and the middle area of the outer panel 3 of the car door, the protrusion 11 near the top outer edge 13 and the parts on both sides of the protrusion 11 form a cross-sectional structure that is a few characters, which can obviously improve the structural strength of this area to play a good role. supporting role. Further, an outwardly protruding reinforcement structure 12 is formed in the middle of the protrusion 11, and the reinforcement structure 12 further extends toward the door outer panel 3, so that the outer waistline reinforcement plate 1 can be connected with the door outer panel 3 through the reinforcement structure 12. , to increase structural strength. In addition, the reinforcing structure 12 is arranged in the middle of the outer waistline, which can also support the outer door panel 3, and the dent resistance of the outer door panel 3 is also improved. Furthermore, the outer edge 13 of the top is used as the clamping surface of the outer water cut, and the reinforcement rib 14 is added at the step of the outer water cut clamp surface of the outer waistline reinforcing plate 1 and the adjacent protrusion 11, so as to avoid the external water cut clamp surface from being damaged. When the force is applied, the adjacent façades will follow and flip, improving the structural rigidity. In addition, the width of the reinforcement structure 12 is larger than that of the protrusion 11, so that the connection area between the reinforcement structure 12 and the outer door panel 3 is larger and the connection is stronger.

As mentioned in the first paragraph of this section, the above-mentioned embodiments are only used to illustrate the principle of the present utility model, and are not intended to limit the scope of protection of the present utility model. Without departing from the principle of the present utility model, those skilled in the art can The above structure is adjusted so that the utility model can be applied to more specific application scenarios.

In addition, the utility model also provides a vehicle door, which has the outer waistline reinforcement plate 1 described in any one of the above-mentioned embodiments. Specifically, with reference to Fig. 2, Fig. 3 and Fig. 4, the car door includes a car door inner panel 2, an outer waistline reinforcing panel 1 and a car door outer panel 3, and the outer waistline reinforcing panel 1 is fixedly arranged on the car door inner panel 2 and the car door outer panel. 3, a protrusion 11 is formed near the top outer edge 13 of the outer waistline reinforcement plate 1, the protrusion 11 extends from the front end 15 of the outer waistline reinforcement plate to the rear end 16 of the outer waistline reinforcement plate, and the protrusion 11 The middle part of the car door is formed with a further outwardly protruding reinforcement structure 12, the reinforcement structure 12 is connected with the door outer panel 3, the flanging of the door outer panel 3 is wrapped on the top outer edge 13 of the outer waistline reinforcement plate 1, and the outer waistline reinforcement plate The bottom of 1 extends to the outer door panel 3 and is connected with the outer door panel 3 through vibration-isolating glue. Further, the front end 15 of the outer waistline reinforcing plate is welded to the inner door panel 2 and the upper hinge reinforcing plate 4 on the inner door panel 2 respectively, and the rear end 16 of the outer waistline reinforcing plate is welded to the inner door panel 2 through multi-point welding. Welding can further strengthen the structural strength of the outer waistline reinforcing plate 1 and the outer waistline. In addition, a glue coating groove is provided on the reinforcing structure 12, and an expansion rubber layer is arranged in the glue coating groove, and the door outer panel 3 and the reinforcement structure 12 are connected by an expansion glue layer to meet the appearance requirements of the door outer panel 3 and the resistance to corrosion. Concave performance.

It should be noted that Fig. 3 and Fig. 4 do not show the connection between the outer waistline reinforcing plate 1 and the door inner panel 2 due to the position of the section, but those skilled in the art can understand that the front end 15 and the rear of the outer waistline reinforcing plate The ends 16 are all connected with the inner panel 2 of the car door.

The advantage of the above arrangement is that the front end 15 of the outer waistline reinforcing plate and the rear end 16 of the outer waistline reinforcing plate are connected with the inner panel 2 of the car door. There is no rigid connection in the middle of 1, so from the overall view of the door sheet metal, the weakest point of the outer waistline rigidity is the middle area between the outer waistline reinforcement plate 1 and the door outer panel 3, and the outer waistline reinforcement plate 1 is close to the top On the basis of the protrusion 11 provided at the outer edge 13, a reinforcement structure 12 is provided in the middle of the protrusion 11, and the reinforcement structure 12 is connected with the outer panel 3 of the car door, thereby improving the overall structural strength of the door sheet metal. In addition, the reinforcement structure 12 is arranged in the middle of the outer waistline, where the stiffness is weakest, so that the stiffness of the outer waistline is significantly improved, and at the same time, it can support the door outer panel 3, and the outer panel's dent resistance is correspondingly improved. By locally adding structural features in the weakest middle area of the outer waistline reinforcement plate 1, while meeting the performance requirements, compared with the solution of adding thicker materials to the outer waistline reinforcement plate 1 or adding reinforcement plates, the added weight is less and the cost is lower. lower.

In this embodiment, the outer waistline stiffness of the reinforced structure 12 is calculated to be 99N/mm before application, and the outer waistline stiffness is increased to 137N/mm after application, and the effect is remarkable. In addition, the increase in the rigidity of the outer waistline strengthens the support of the glass through the outer water cut, improves the lifting quality of the glass, avoids the vibration of the glass when closing the door, and reduces the poor sealing between the outer water cut and the glass, avoiding the contact between the outer water cut and the glass Air and water leakage improves NVH performance.

In addition, before the reinforcement structure 12 was applied, the displacement of the door outer panel 3 in this area was 8.6 mm, but after the application, the displacement of the door outer panel 3 in this area was reduced to 6.5 mm, and the dent resistance was improved, improving It improves the tactile feeling when the user presses the sheet metal or pulls the outer handle. In addition, the reinforcement structure 12 increases the overall strength of the door, meets the static extrusion strength of the door required by laws and regulations, or reduces the Y-direction intrusion of the door when the vehicle is side-impacted, thereby improving safety.

In addition, it should be noted that the door outer panel 3 and the reinforcement structure 12 can also be connected by other methods such as welding or bolt connection in addition to being glued, so there is no restriction on the connection method between the two. Those skilled in the art can set it as needed. Similarly, in addition to welding, the outer waistline reinforcing plate 1 and the door inner panel 2 can also be connected by glue or bolts, which can be set by those skilled in the art according to needs.

So far, the technical solution of the utility model has been described in conjunction with the preferred implementations shown in the accompanying drawings, however, those skilled in the art can easily understand that the protection scope of the utility model is obviously not limited to these specific implementations. On the premise of not departing from the principle of the utility model, those skilled in the art can make equivalent changes or substitutions to relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of the utility model.

Claims (10)

1. An outer waistline reinforcing plate, characterized in that, a protrusion is formed near the top outer edge of the outer waistline reinforcing plate, and the protrusion extends from the front end of the outer waistline reinforcing plate to the outer edge of the outer waistline reinforcing plate. The rear end of the waistline reinforcing plate is extended, and the central part of the protrusion is formed with a further outwardly protruding reinforcing structure. 2 . The outer waistline reinforcing plate according to claim 1 , characterized in that, the protrusion and the parts on both sides of the protrusion form a structure with a cross-section of a few characters. 3. The outer waistline reinforcing plate according to claim 1, characterized in that, reinforcing ribs are provided at the raised steps. 4. The outer waistline reinforcing plate according to claim 1, characterized in that, the width of the reinforcing structure is greater than the width of the protrusion. 5. The outer waistline reinforcement board according to claim 1, characterized in that, the reinforcement structure is provided with a glue coating groove. 6. A car door, characterized in that it includes a door inner panel, an outer waistline reinforcing plate and a car door outer panel, the outer waistline reinforcing plate is fixedly arranged between the inner door panel and the outer door panel, close to A protrusion is formed at the outer edge of the top of the outer waistline reinforcing plate, the protrusion is arranged along the direction of the outer edge of the top, and a reinforcing structure further protruding outward is formed in the middle of the protrusion. The reinforcement structure is connected to the outer panel of the vehicle door. 7 . The vehicle door according to claim 6 , characterized in that, the outer panel of the vehicle door is connected to the reinforcement structure through an expanded rubber layer. 7 . 8. The car door according to claim 6, characterized in that, the front ends of the outer waistline reinforcing plate are respectively connected to the inner panel of the car door and the upper hinge reinforcing plate on the inner panel of the car door, and the outer waistline The rear end of the reinforcing plate is connected with the inner panel of the vehicle door. 9. The vehicle door according to claim 8, characterized in that, the flange of the outer panel of the vehicle door is wrapped around the top outer edge of the outer waistline reinforcement plate, and the bottom of the outer waistline reinforcement plate is in contact with the door External panel connections. 10. A vehicle, characterized in that the vehicle is provided with the outer waistline reinforcement panel according to any one of claims 1-5.

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