CN219706642U - Back door structure assembly and vehicle - Google Patents

Abstract

The utility model provides a back door structure assembly and a vehicle, which belong to the technical field of vehicle components and comprise a back door inner plate and a windowsill reinforcing plate positioned at the outer side of the back door inner plate; the upper edge of the windowsill reinforcing plate extends upwards to form an upper connecting plate, and the lower edge of the windowsill reinforcing plate extends downwards to form a lower connecting plate; the upper connecting plate is connected with the upper part of the windowsill in the back door inner plate in a fitting way, the lower connecting plate is connected with the region, below the windowsill, of the back door inner plate in a fitting way, and the windowsill reinforcing plate and the windowsill are arranged at intervals to form a cavity. The utility model improves the bearing strength of the inner plate of the back door, reduces the deformation degree of the inner plate of the back door caused by the back collision acting force, and finally realizes the integral anti-dent performance of the back door.

Description

Back door structure assembly and vehicle

Technical Field

The utility model belongs to the technical field of vehicle parts, and particularly relates to a back door structure assembly and a vehicle.

Background

With the development of the automobile industry, the variety of automobiles is gradually increased, and SUVs become a popular choice. The back door of the automobile is an important component part of the whole automobile, the back door of an SUV automobile type is mainly divided into a lift-back type and a side-open type, the side-open type back door can be used for conveniently accommodating a large spare tire, the air pressure stay bar is more durable, even the back door glass can be independently opened and closed, the use is very convenient, and the back door is a preferred type of the cross-country SUV.

In the existing side-opening type back door, the rigidity of the peripheral area of the window frame is weak, and the rigidity of the whole back door is greatly influenced, so that the window frame area needs to be reinforced. Most of the existing reinforcing modes are to directly attach and connect a reinforcing plate at a windowsill (namely, an area inclined outwards at the lower part of a window frame) of a back door inner plate, and the area of the windowsill is thickened through the reinforcing plate to realize reinforcement. In the design mode, the reinforcing plate needs to keep higher strength and rigidity, so the reinforcing plate is generally of a whole plate design, the reinforcing mode is single, and the anti-dent performance of the back door is difficult to be improved.

Disclosure of Invention

The embodiment of the utility model provides a back door structure assembly and a vehicle, and aims to solve the problem that a reinforcing plate corresponding to a windowsill is difficult to resist concave performance of a back door in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

in a first aspect, a back door structure assembly is provided, comprising a back door inner panel and a sill reinforcing panel positioned outside the back door inner panel;

the upper edge of the windowsill reinforcing plate extends upwards to form an upper connecting plate, and the lower edge of the windowsill reinforcing plate extends downwards to form a lower connecting plate;

the upper connecting plate is connected with the upper portion of windowsill in the back door inner plate in a fitting mode, the lower connecting plate is connected with the region, located below the windowsill, in the back door inner plate in a fitting mode, and the windowsill reinforcing plate and the windowsill are arranged at intervals to form a cavity.

In combination with the first aspect, in one possible implementation manner, a plurality of second ribs are formed on the upper portion of the windowsill, the second ribs are distributed at intervals along the left-right direction, a plurality of upper avoidance ports are formed on the upper connecting plate, the upper avoidance ports are distributed along the left-right direction, and the upper avoidance ports are in one-to-one correspondence with the second ribs.

In some embodiments, the left-right width of the upper escape opening gradually increases from bottom to top.

In some embodiments, a plurality of first concave ribs are formed at the lower part of the upper connecting plate, and the first concave ribs are arranged in one-to-one correspondence with the upper avoidance ports.

In some embodiments, a plurality of second concave ribs are formed at the lower part of the upper connecting plate, and the second concave ribs and the upper avoidance ports are alternately arranged one by one in the left-right direction.

In some embodiments, the lower connecting plate is provided with a plurality of lower avoidance ports distributed along the left-right direction, and the left-right width of the lower avoidance ports is greater than the left-right width of the upper avoidance ports.

In some embodiments, the left-right width of the lower clearance opening gradually increases from top to bottom.

With reference to the first aspect, in one possible implementation manner, the sill reinforcing plate is provided with a first lightening hole.

In some embodiments, the sill reinforcing plate is formed with a first rib corresponding to the first lightening hole, and the first lightening hole is opened in the first rib.

Compared with the prior art, the scheme provided by the embodiment of the utility model has the advantages that the windowsill reinforcing plate and the windowsill are arranged at intervals, so that a hollow channel (namely a cavity) is formed between the windowsill reinforcing plate and the windowsill, an upper connecting plate and a lower connecting plate respectively form an upper force transmission channel and a lower force transmission channel at the upper part and the lower part of the hollow channel, and after a back collision acting force acts on the windowsill reinforcing plate, the force can be dispersed on the upper force transmission channel and the lower force transmission channel, acting force is effectively dispersed, and the bearing strength of the inner plate of the back door is improved; meanwhile, the hollow channel forms a space for collapsing and absorbing energy, so that the buffer is realized for the back collision acting force, and the deformation degree of the back door inner plate is reduced. The utility model improves the bearing strength of the inner plate of the back door, reduces the deformation degree of the inner plate of the back door caused by the back collision acting force, and finally realizes the integral anti-dent performance of the back door.

In a second aspect, an embodiment of the present utility model further provides a vehicle including the aforementioned tailgate structure assembly.

Compared with the prior art, the scheme provided by the embodiment of the utility model has the advantages that the anti-dent performance of the back door area is improved by adopting the back door structure assembly, so that the structural stability of the rear part of the vehicle body and the integral use safety of the vehicle are improved.

Drawings

FIG. 1 is a front view of a back door structure assembly provided in an embodiment of the present utility model;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is an enlarged view of a portion B of fig. 1;

FIG. 4 is a schematic perspective view of a back door inner panel according to an embodiment of the present utility model;

FIG. 5 is a schematic view of the assembly of the sill reinforcing and hinge reinforcing panels of FIG. 1;

FIG. 6 is a schematic view of a sill reinforcing panel according to an embodiment of the present utility model;

fig. 7 is a schematic structural view of a hinge reinforcing plate according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a back door inner panel; 110. a window sill; 111. the second convex rib;

2. a sill reinforcing plate; 201. a first lightening hole; 210. the first convex rib;

3. an upper connecting plate; 301. an upper avoidance port; 310. the first concave ribs; 320. the second concave ribs;

4. a lower connecting plate; 401. a lower avoidance port; 410. a third rib;

5. a hollow passage;

6. a hinge reinforcing plate; 610. a splice plate; 611. a second lightening hole; 620. connecting an upper plate; 630. and connecting the lower plate.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the claims, specification and drawings hereof, unless explicitly defined otherwise, the terms "first," "second," or "third," etc. are used for distinguishing between different objects and not for describing a particular sequential order.

In the claims, the specification and the drawings of the present utility model, the terms "upper" and "lower" are the same as the vehicle body in the up-down direction, the terms "left" and "right" are the same as the vehicle body in the left-right direction, the terms "inner" refer to the direction toward the passenger compartment, and the terms "outer" refer to the direction away from the passenger compartment. The terms "center," "transverse," "longitudinal," "horizontal," "vertical," "top," "bottom," "front," "rear," "clockwise," "counterclockwise," "high," "low," and the like are used to refer to locations or positional relationships based on the locations and positional relationships shown in the drawings, unless otherwise explicitly defined, and are merely for convenience of description and to simplify the description, as opposed to indicating or implying that the apparatus or element being referred to must have a particular orientation or be configured and operated in a particular orientation, and therefore should not be construed as limiting the specific scope of the present utility model.

In the claims, specification and drawings of the present utility model, unless explicitly defined otherwise, the term "fixedly connected" or "fixedly connected" should be construed broadly, i.e. any connection between them without a displacement relationship or a relative rotation relationship, that is to say includes non-detachably fixedly connected, integrally connected and fixedly connected by other means or elements.

In the claims, specification and drawings of the present utility model, the terms "comprising," having, "and variations thereof as used herein, are intended to be" including but not limited to.

In the claims, specification and drawings of the present utility model, if the term "bonded connection" is used, its implementation includes, but is not limited to, bonding.

Referring to fig. 1, 2, 4 and 5, a back door structure assembly according to the present utility model will be described. The back door structure assembly comprises a back door inner plate 1 and a windowsill reinforcing plate 2 positioned at the outer side of the back door inner plate 1; the upper edge of the windowsill reinforcing plate 2 extends upwards to form an upper connecting plate 3, and the lower edge of the windowsill reinforcing plate 2 extends downwards to form a lower connecting plate 4; the upper connecting plate 3 is in fit connection with the upper part of the windowsill 110 in the back door inner plate 1, the lower connecting plate 4 is in fit connection with the area, below the windowsill 110, of the back door inner plate 1, and the windowsill reinforcing plate 2 and the windowsill are arranged at intervals inside and outside to form a cavity.

In this embodiment, the window sill 110 is located at the lower part of the upper window frame area of the back door inner panel 1, the lower part of the window frame is inclined to the outside to form the window sill 110, the upper part of the window sill 110 is inclined upward to form the connecting edge of the window sill 110, and the upper connecting plate 3 is attached to the connecting edge. Correspondingly, the sill reinforcing 2 is also an inclined plate member having substantially the same inclination direction as that of the sill, and the upper end of the sill reinforcing 2 is located outside the lower end thereof, as shown in fig. 2.

Compared with the prior art, the back door structure assembly provided by the embodiment has the advantages that the interval between the windowsill reinforcing plate 2 and the windowsill 110 is set, so that a hollow channel 5 (namely a cavity) is formed between the windowsill reinforcing plate 2 and the windowsill 110, an upper connecting plate 3 and a lower connecting plate 4 respectively form an upper force transmission channel and a lower force transmission channel at the upper part and the lower part of the hollow channel 5, and after a back collision acting force acts on the windowsill reinforcing plate 2, the back collision acting force can be dispersed on the upper force transmission channel and the lower force transmission channel, acting force is effectively dispersed, and the bearing strength of the back door inner plate 1 is improved; meanwhile, the hollow channel 5 forms a crumple energy-absorbing space, so that the back collision acting force is buffered, and the deformation degree of the back door inner plate 1 is reduced. According to the embodiment, the integral anti-dent performance of the back door is finally realized by improving the bearing strength of the back door inner plate 1 and reducing the deformation degree of the back door inner plate 1 caused by the back collision acting force.

In some embodiments, the inclination angle of the sill reinforcing plate 2 with respect to the up-down direction is larger than the inclination angle of the sill 110 main body with respect to the up-down direction, as shown in fig. 2, the cross section of the hollow channel 5 is made to be a triangle with a wide upper part and a narrow lower part, and the characteristic of stronger stability of the triangle structure is utilized to promote the bearing capacity of the sill area in the direction perpendicular to the acting direction, so as to promote the reinforcing effect of the sill area.

In some embodiments, referring to fig. 1, 5 and 6, sill reinforcing panel 2 is provided with a first lightening hole 201. In order to meet the requirement of reinforcing performance, the traditional reinforcing plate is generally designed into a whole plate, so that the reinforcing mode is single, the dead weight of the reinforcing plate is very heavy, and the sagging rigidity of the back door is directly influenced. In this embodiment, owing to formed cavity passageway 5, still form the biography power passageway respectively in the upper and lower both sides of cavity passageway 5, realized the promotion to the regional bearing capacity of windowsill through the effective dispersion to effort, on this basis, through reasonable setting up first lightening hole 201, can effectively reduce the weight of windowsill reinforcing plate 2, when satisfying the demand of support strength, avoid the too big sagging rigidity that influences the back door of windowsill reinforcing plate 2 weight.

In particular, the plurality of first lightening holes 201 are provided, and the plurality of first lightening holes 201 are distributed in the left-right direction. In addition, the shape of the first lightening hole 201 includes, but is not limited to, rectangular (as shown in fig. 5 and 6), circular, oval, etc., taking the rectangular first lightening hole 201 as an example, its hole pattern can be attached to the edge of the sill reinforcing plate 2 to ensure that the open area is larger, thereby playing a better role in lightening weight.

On the basis of the above embodiment, referring to fig. 2, in order to reinforce the region of the sill reinforcing plate 2 where the first lightening hole 201 is formed, the sill reinforcing plate 2 is formed with a first bead 210 corresponding to the first lightening hole 201, the first bead 210 protrudes outward, and the first lightening hole 201 is formed in the first bead 210. Wherein the first ribs 210 extend in the up-down direction. Through setting up first protruding muscle 210, guaranteed the regional intensity of trompil, can further increase the trompil area, optimize and subtract heavy effect.

In some arrangements of the first lightening holes 201 and the first ribs 210, the first lightening holes 201 are in one-to-one correspondence with the first ribs 210, as shown in fig. 5 and 6.

In other arrangements of the first lightening holes 201 and the first ribs 210, a plurality of first lightening holes 201 may be formed in one first rib 210, which is not shown in the drawings.

In some embodiments, a plurality of second ribs 111 are formed at the upper portion of the window sill 110 and are distributed at intervals along the left-right direction, and the upper connecting plate 3 is provided with a plurality of upper avoidance ports 301 distributed along the left-right direction, where the upper avoidance ports 301 are disposed in a one-to-one correspondence with the second ribs 111, as shown in fig. 3 to 6. The second ribs 111 reinforce the upper region of the window sill 110, the upper position avoiding openings 301 avoid the second ribs 111, the weight of the upper connecting plate 3 can be reduced through the upper position avoiding openings 301 on the basis of meeting the structural strength of the upper region of the window sill, and the weight reduction is further enhanced.

On the basis of the above embodiment, referring to fig. 1, 3, 5 and 6, the width of the upper avoidance openings 301 is gradually increased from bottom to top to form trapezoidal gaps, the upper connection plates 3 between two adjacent upper avoidance openings 301 form a trapezoidal plate structure with narrow upper part and wide lower part, and the bearing capacity in the up-down direction and the left-right direction can be enhanced by utilizing the characteristic of strong stability of the trapezoidal structure, so that the reinforcing effect of the lifting windowsill area is promoted.

In some embodiments, a certain distance is formed between the lower edge of the upper avoidance opening 301 and the lower edge of the upper connection plate 3, and a plurality of first concave ribs 310 are formed on the lower portion of the upper connection plate 3, the first concave ribs 310 are concave inward, and the first concave ribs 310 are arranged in one-to-one correspondence with the upper avoidance openings 301, as shown in fig. 3, 5 and 6. The first concave ribs 310 strengthen the area of the upper connecting plate 3 provided with the upper clearance openings 301 so as to ensure the integral structural strength of the upper connecting plate 3.

In some embodiments, referring to fig. 1, 3, 5 and 6, a plurality of second concave ribs 320 are formed at the lower portion of the upper connecting plate 3, the second concave ribs 320 are concave inward, and the second concave ribs 320 are alternately arranged with the upper avoidance holes 301 one by one in the left-right direction. The second concave ribs 320 strengthen the area of the upper connecting plate 3, which is not provided with the upper avoidance holes 301, so as to improve the overall structural strength of the upper connecting plate 3 and optimize the strengthening effect.

Referring to fig. 1, 3, 5 and 6, in some embodiments, the lower connecting plate 4 is provided with a plurality of lower avoidance holes 401 distributed along the left-right direction so as to avoid the installation position on the back door inner plate 1. Based on this, in order to guarantee effective avoidance, the width about lower avoidance port 401 is greater than the width about upper avoidance port 301, and simultaneously, the great setting of width also makes upper connecting plate 3 and lower connecting plate 4's structure different, and both modal frequencies are different, form and keep away the frequency design, avoid vibration to transmit to this region after taking place resonance in the driving process.

As shown in fig. 3 to 6, in some embodiments, the width of the lower avoidance openings 401 gradually increases from top to bottom to form a trapezoid notch, the lower connection plates 4 between two adjacent lower avoidance openings 401 form a trapezoid structure with wide top and narrow bottom, and the bearing capacity in the up-down direction and the left-right direction can be enhanced by utilizing the characteristic of strong stability of the trapezoid structure, so that the reinforcing effect of the raised window sill area is promoted.

In some embodiments, as shown in fig. 3 to 6, the lower connecting plate 4 is provided with third ribs 410, the third ribs 410 protrude outward, the third ribs 410 are alternately arranged with the lower avoidance holes 401 one by one in the left-right direction, and the third ribs 410 are in one correspondence with the first ribs 210 one by one. The third ribs 410 strengthen the area of the lower connecting plate 4 where the lower avoidance port 401 is not opened, so as to improve the overall structural strength of the lower connecting plate 4 and optimize the strengthening effect.

As shown in fig. 1, 5 and 7, in some embodiments, the back door structure assembly further includes a hinge reinforcement plate 6, the hinge reinforcement plate 6 is disposed on one side of the back door inner panel 1 connected to the hinge, and the top of the hinge reinforcement plate 6 forms an engagement plate 610 extending in the left-right direction; the upper portion of the joint plate 610 forms a joint upper plate 620, the lower portion of the joint plate 610 forms a joint lower plate 630, the outer side surface of the joint upper plate 620 is in fit connection with the inner side surface of the upper connecting plate 3, the inner side surface of the joint upper plate 620 is in fit connection with the windowsill 110, the outer side surface of the joint lower plate 630 is in fit connection with the inner side surface of the lower connecting plate 4, and the inner side surface of the joint lower plate 630 is in fit connection with the area of the back door inner plate 1 located below the windowsill 110.

In this embodiment, the hinge reinforcing plate 6 itself reinforces the hinge mounting area, and the windowsill reinforcing plate 2 and the joint plate 610 form a connection relationship, so that an integrated supporting plate is formed between the windowsill reinforcing plate 2 and the hinge reinforcing plate 6, which increases the supporting and reinforcing area and plays a positive promoting role in reinforcing the supporting strength.

On the basis of the above embodiment, referring to fig. 5 and 7, the connection plate 610 is provided with a second lightening hole 611 to reduce the weight of the hinge reinforcing plate 6, thereby avoiding affecting the sagging rigidity of the entire back door.

Based on the same inventive concept, the embodiment of the utility model also provides a vehicle, which comprises the back door structure assembly.

Compared with the prior art, the vehicle provided by the embodiment has the advantages that the anti-dent performance of the back door region is improved by adopting the back door structure assembly, and the structural stability of the rear part of the vehicle body and the overall use safety of the vehicle are further improved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The back door structure assembly is characterized by comprising a back door inner plate (1) and a windowsill reinforcing plate (2) positioned outside the back door inner plate (1);

the upper edge of the windowsill reinforcing plate (2) extends upwards to form an upper connecting plate (3), and the lower edge of the windowsill reinforcing plate (2) extends downwards to form a lower connecting plate (4);

the upper connecting plate (3) is connected with the upper part of a windowsill (110) in the back door inner plate (1) in a fitting mode, the lower connecting plate (4) is connected with the area, located below the windowsill (110), in the back door inner plate (1) in a fitting mode, and the windowsill reinforcing plate (2) and the windowsill (110) are arranged at intervals to form a cavity.

2. The back door structure assembly according to claim 1, wherein a plurality of second ribs (111) are formed at the upper part of the windowsill (110) and distributed at intervals along the left-right direction, a plurality of upper avoidance ports (301) are formed in the upper connecting plate (3) and distributed along the left-right direction, and the upper avoidance ports (301) are arranged in one-to-one correspondence with the second ribs (111).

3. The tailgate structure assembly according to claim 2 wherein the upper gap (301) increases in width from bottom to top.

4. The back door structure assembly according to claim 2, wherein a plurality of first concave ribs (310) are formed at the lower part of the upper connecting plate (3), and the first concave ribs (310) are arranged in one-to-one correspondence with the upper avoidance ports (301).

5. The back door structure assembly according to claim 2, wherein a plurality of second concave ribs (320) are formed at the lower portion of the upper connecting plate (3), and the second concave ribs (320) are alternately arranged with the upper avoidance ports (301) one by one in the left-right direction.

6. The back door structure assembly according to claim 2, wherein the lower connecting plate (4) is provided with a plurality of lower avoidance ports (401) distributed along the left-right direction, and the left-right width of the lower avoidance ports (401) is larger than the left-right width of the upper avoidance ports (301).

7. The tailgate structure assembly according to claim 6 wherein the left-right width of the lower keep-out opening (401) increases gradually from top to bottom.

8. A tailgate structure assembly according to claim 1, characterized in that the sill reinforcing panel (2) is provided with a first lightening hole (201).

9. The back door structure assembly according to claim 8, wherein the sill reinforcing plate (2) is formed with a first bead (210) corresponding to the first lightening hole (201), and the first lightening hole (201) is opened to the first bead (210).

10. A vehicle comprising a tailgate structure assembly according to any one of claims 1 to 9.