Side opening type back door hinge installation supporting column, D column structure and back door frame

Abstract

The invention belongs to the technical field of vehicle engineering, and particularly relates to a side opening type back door hinge installation supporting column, a D column structure and a back door frame. The side-opening type back door hinge installation supporting column comprises a first combined lamp holder plate assembly and a first stand column. The upper end of the first stand column is fixedly connected with one end of a top cover rear beam of the vehicle. The lower end of the first stand column is fixedly connected with one end of a rear floor rear beam of the vehicle. The first stand column is of a tubular structure, and the outer side face, in the left-right direction of the vehicle, of the first stand column is used for being welded to the inner side face of a first side wall outer plate of the vehicle. The outer end, in the left-right direction of the vehicle, of the first combined lamp holder plate assembly is used for being connected with the rear end of a first side wall outer plate in a welded mode, the inner end, in the left-right direction of the vehicle, of the first combined lamp holder plate assembly is connected with the first stand column in a welded mode, and a first inner cavity extending vertically is formed between the first stand column and the first combined lamp holder plate assembly. And a back door upper hinge mounting hole and a back door lower hinge mounting hole are formed in the first combined lamp holder plate assembly.

Description

Technical Field

[0001] The invention belongs to the technical field of vehicle engineering, and in particular relates to a side-opening back door hinge mounting pillar, a D-pillar structure and a back door frame. Background Art

[0002] In the design of modern automobiles, side-opening tailgates are widely used in off-road vehicles due to their convenience and practicality. In the prior art, side-opening tailgates are usually installed on side-opening tailgate hinge mounting pillars through hinges, and the existing side-opening tailgate hinge mounting pillars are usually a hollow columnar structure formed by welding the side outer panel, the D-pillar inner support plate, the water flow channel and the combination lamp holder plate together, and the tailgate hinge mounting hole is usually opened on the combination lamp holder plate.

[0003] However, since the existing side-opening tailgate hinge mounting pillars usually adopt a connection method in which the upper end of the D-pillar inner support plate is fixedly connected to one end of the rear cross beam of the vehicle's roof, and the lower end of the D-pillar inner support plate is fixedly connected to one end of the rear cross beam of the vehicle's rear floor, the existing side-opening tailgate hinge mounting pillars mainly use the D-pillar inner support plate to provide support for the combination lamp holder plate and the side-opening tailgate hinged on the combination lamp holder plate. As time goes by, there is a technical problem that the D-pillar inner support plate is prone to deformation, which causes the combination lamp holder plate to move downward and deform, and then causes the side-opening tailgate to sink. This not only affects the aesthetic appearance of the vehicle, but may also have an adverse effect on safety and sealing. Summary of the invention

[0004] In order to solve the defects of the above-mentioned prior art, the present invention provides a side-opening tailgate hinge mounting pillar, a D-pillar structure and a tailgate frame to solve the technical problem that the existing side-opening tailgate hinge mounting pillar mainly provides support for the combination lamp holder plate and the side-opening tailgate hinged on the combination lamp holder plate through the D-pillar inner support plate, and as the use time goes by, the D-pillar inner support plate is prone to deformation, causing the combination lamp holder plate to move downward and deform, and then causing the side-opening tailgate to sink.

[0005] In order to achieve the above object, the technical solution of the present invention is as follows:

[0006] A side-opening back door hinge mounting support, comprising: a first combination lamp holder plate assembly and a first upright column; the upper end of the first upright column is used to be fixedly connected to one end of a rear cross beam of a roof of a vehicle, and the lower end of the first upright column is used to be fixedly connected to one end of a rear cross beam of a rear floor of the vehicle;

[0007] The first pillar is a tubular structure, and the outer side surface of the first pillar in the left-right direction of the vehicle is used for welding and connecting with the inner side surface of the first side outer panel of the vehicle;

[0008] The first combination lamp holder plate assembly is arranged at the rear side of the first pillar, the outer end of the first combination lamp holder plate assembly in the left-right direction of the vehicle is used for welding connection with the rear end of the first side outer panel, and the inner end of the first combination lamp holder plate assembly in the left-right direction of the vehicle is welded to the first pillar to form a vertically extending first inner cavity between the rear side surface of the first pillar and the front side surface of the first combination lamp holder plate assembly;

[0009] A back door upper hinge mounting hole and a back door lower hinge mounting hole are provided on the rear side surface of the first combination lamp holder plate assembly.

[0010] By making the first side outer panel, the first pillar and the first combination lamp holder plate assembly together form a complete double-cavity tube beam structure (including the inner cavity of the first pillar and the first inner cavity), the side-opening tailgate hinge mounting pillar provided by the present invention has a higher overall structural strength than the existing side-opening tailgate hinge mounting pillar, which can ensure that the upper and lower hinge mounting areas of the tailgate are not easily deformed during the use of the side-opening tailgate; at the same time, by making the upper end of the first pillar fixedly connected to one end of the rear cross beam of the vehicle's roof, and the lower end of the first pillar fixedly connected to one end of the rear cross beam of the vehicle's rear floor, the side-opening tailgate hinge mounting pillar provided by the present invention can The first column can be used to provide support for the first combination lamp holder plate assembly and the side-opening tailgate hinged on the combination lamp holder plate assembly, and the better anti-bending and anti-deformation performance provided by the tubular structure of the first column is utilized to ensure that the first combination lamp holder plate assembly is not easy to move down or deform, thereby avoiding the side-opening tailgate from sinking, thereby solving the technical problem that the existing side-opening tailgate hinge installation pillar mainly provides support for the combination lamp holder plate and the side-opening tailgate hinged on the combination lamp holder plate through the D-pillar inner support plate, and as the use time goes by, the D-pillar inner support plate is easy to deform, causing the combination lamp holder plate to move down and deform, thereby causing the side-opening tailgate to sink.

[0011] Further, the first combination lamp holder plate assembly includes a first water flow channel and a combination lamp holder plate component;

[0012] The lower end of the first water flow channel is welded to the upper end of the combination lamp holder plate assembly; the upper hinge mounting hole of the back door and the lower hinge mounting hole of the back door are both opened on the rear side surface of the combination lamp holder plate assembly.

[0013] Further, the combination lamp holder plate assembly includes a first combination lamp holder plate, an upper hinge mounting plate and a lower hinge mounting plate;

[0014] The upper hinge mounting hole of the back door and the lower hinge mounting hole of the back door are both provided on the rear side of the first combination lamp holder plate, the upper hinge mounting plate is provided on the rear side of the first combination lamp holder plate corresponding to the upper hinge mounting hole of the back door, and the lower hinge mounting plate is provided on the rear side of the first combination lamp holder plate corresponding to the lower hinge mounting hole of the back door;

[0015] The rear side surfaces of the upper hinge mounting plate and the lower hinge mounting plate are both welded to the front side surface of the first combination lamp holder plate; a first bolt through hole is provided on the upper hinge mounting plate corresponding to the upper hinge mounting hole of the tailgate, and a second bolt through hole is provided on the lower hinge mounting plate corresponding to the lower hinge mounting hole of the tailgate.

[0016] Further, the side-opening back door hinge mounting support further includes a first reinforcing plate disposed in the first inner cavity;

[0017] The first reinforcing plate is arranged on the front sides of the upper hinge mounting plate and the lower hinge mounting plate, and the front side surface of the upper hinge mounting plate and the front side surface of the lower hinge mounting plate are both welded to the rear side surface of the first reinforcing plate;

[0018] The first reinforcing plate is used to separate a first chamber located between the first reinforcing plate and the upper hinge mounting plate, and a second chamber located between the first reinforcing plate and the lower hinge mounting plate in the first inner cavity;

[0019] The first chamber is used to accommodate the end of the mounting bolt that passes through the upper hinge mounting hole of the tailgate and the first bolt through hole in sequence, and the second chamber is used to accommodate the end of the mounting bolt that passes through the lower hinge mounting hole of the tailgate and the second bolt through hole in sequence.

[0020] By arranging the first reinforcing plate in the first inner cavity, the first combination lamp holder plate, the upper hinge mounting plate, the lower hinge mounting plate and the first reinforcing plate are welded together to form a complete hollow columnar structure, which can further strengthen the structural strength of the upper and lower hinge mounting areas of the tailgate and further improve the problem of sinking of the side-opening tailgate.

[0021] Furthermore, the side-opening back door hinge mounting support pillar further includes a second reinforcing plate disposed inside the first pillar;

[0022] The second reinforcing plate extends in the vertical direction, and both sides of the second reinforcing plate are welded to the inner side surface of the first column to separate the inner cavity of the first column into two sub-inner cavities extending in the vertical direction.

[0023] By arranging the second reinforcing plate in the first pillar, the first pillar forms a complete double-cavity tubular beam structure (including two sub-cavities extending in the vertical direction), and then the first side outer panel, the first pillar and the first combination lamp holder plate assembly together form a complete three-cavity tubular beam structure (including the first cavity and the two sub-cavities of the first pillar), which can further improve the structural strength of the first pillar, so that the side-opening tailgate hinge mounting pillar provided by the present invention has higher overall structural strength, and better ensures that the upper and lower hinge mounting areas of the tailgate are not easily deformed during the use of the side-opening tailgate.

[0024] Based on the side-opening back door hinge mounting pillar provided by the present invention, the present invention further provides a D-pillar structure, including a lock mounting pillar and the side-opening back door hinge mounting pillar provided by the present invention;

[0025] The lock mounting pillar comprises a second combination lamp holder plate assembly and a second pillar; the upper end of the second pillar is used to be fixedly connected to one end of the first pillar of the rear cross beam of the top cover of the vehicle away from the side-opening back door hinge mounting pillar, and the lower end of the second pillar is used to be fixedly connected to one end of the rear cross beam of the rear floor of the vehicle away from the first pillar;

[0026] The second pillar is a tubular structure, and the outer side surface of the second pillar in the left-right direction of the vehicle is used for welding and connecting with the inner side surface of the second side panel of the vehicle;

[0027] The second combination lamp holder plate assembly is arranged at the rear side of the second pillar, the outer end of the second combination lamp holder plate assembly in the left-right direction of the vehicle is used for welding connection with the rear end of the second side outer panel, and the inner end of the second combination lamp holder plate assembly in the left-right direction of the vehicle is welded to the second pillar to form a vertically extending second inner cavity between the rear side surface of the second pillar and the front side surface of the second combination lamp holder plate assembly;

[0028] The second column is provided with a back door lock mounting hole on the inner side surface in the left-right direction of the vehicle.

[0029] The second side outer panel, the second pillar and the second combination lamp holder plate assembly are made to form a complete double-cavity tubular beam structure (including the second inner cavity and the inner cavity of the second pillar), and the upper end of the second pillar is fixedly connected to the end of the first pillar of the rear cross beam of the vehicle's roof away from the hinge mounting pillar of the side-opening tailgate, and the lower end of the second pillar is used to be fixedly connected to the end of the rear cross beam of the rear floor of the vehicle away from the first pillar; the overall structural strength of the tailgate frame (including the rear cross beam of the roof, the lock mounting pillar, the rear cross beam of the rear floor and the hinge mounting pillar of the side-opening tailgate) can be effectively improved, the deformation of the tailgate frame can be effectively avoided, and the sinking problem of the side-opening tailgate can be further improved.

[0030] Further, the second combination lamp holder plate assembly includes a second water flow trough and a second combination lamp holder plate;

[0031] The lower end of the second water flow channel is welded to the upper end of the second combination lamp holder plate.

[0032] Furthermore, the second column includes a first column section and a second column section arranged in sequence from top to bottom;

[0033] The first column section and the second column section are both tubular structures, and the second column section is provided with a third inner cavity and a fourth inner cavity, the third inner cavity and the fourth inner cavity both extend in a vertical direction, and the fourth inner cavity is provided at the rear side of the third inner cavity;

[0034] The inner cavity of the first column section is connected to the third inner cavity to form a third chamber together; the back door lock mounting hole is provided on the inner side surface of the second column section in the left-right direction of the vehicle;

[0035] The tailgate lock installation hole is connected to the fourth inner cavity, and the fourth inner cavity is used for installing the tailgate lock.

[0036] By configuring the second column as a single-cavity tubular first column section and a double-cavity tubular second column section, and utilizing the fourth inner cavity within the second column section to install the tailgate lock, the structural strength of the lock installation area on the lock installation pillar can be further improved.

[0037] Furthermore, a back door stop block mounting hole is formed on the inner side surface of the second column section in the left-right direction of the vehicle, and the back door stop block mounting hole is connected to the fourth inner cavity, and the fourth inner cavity is also used for mounting the back door stop block.

[0038] By setting the second column as a single-cavity tubular first column section and a double-cavity tubular second column section, and using the fourth inner cavity in the second column section to install the back door limit block, the structural strength of the back door limit block installation area on the lock mounting pillar can be further improved.

[0039] Furthermore, the D-pillar structure also includes a third reinforcement plate arranged in the third cavity, the third reinforcement plate extends in the vertical direction, and both sides of the third reinforcement plate are welded to the inner side surface of the third cavity to separate the third cavity into two sub-cavities extending in the vertical direction.

[0040] By arranging the third reinforcing plate in the third chamber, the structural strength of the second column can be further improved, so that the lock mounting pillar has a higher overall structural strength, which can better avoid deformation of the back door frame during the use of the side-opening back door and further improve the problem of sinking of the side-opening back door.

[0041] Based on the D-pillar structure provided by the present invention, the present invention further provides a rear door frame, including a top cover rear cross beam, a rear floor rear cross beam, and the D-pillar structure provided by the present invention;

[0042] The roof rear cross beam and the rear floor rear cross beam are both tubular structures;

[0043] The rear cross beam of the top cover is fixedly connected between the upper end of the lock mounting pillar of the D-pillar structure and the upper end of the side-opening back door hinge mounting pillar of the D-pillar structure;

[0044] The rear floor rear cross beam is fixedly connected between the lower end of the lock mounting support of the D-pillar structure and the lower end of the side-opening back door hinge mounting support of the D-pillar structure.

[0045] By configuring the rear cross beam of the top cover and the rear cross beam of the rear floor as tubular structures, the rear door frame provided by the present invention has an overall tubular beam frame structure, which can effectively improve the overall structural strength of the rear door frame, avoid deformation of the rear door frame, and further improve the problem of sinking of the side-opening rear door. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the implementation mode will be briefly introduced below. Obviously, the drawings described below are only some implementation modes of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0047] Figure 1 is a schematic structural diagram of a rear door frame in an embodiment;

[0048] Figure 2 is a schematic diagram of the exploded structure of the back door frame in the embodiment;

[0049] Figure 3 is a rear structural schematic diagram of the first combination lamp holder plate assembly in the embodiment;

[0050] Figure 4 yes Figure 3 AA section view;

[0051] Figure 5 yes Figure 3 BB cross-section diagram;

[0052] Figure 6 yes Figure 3 CC profile of ;

[0053] Figure 7 is a schematic diagram of the rear view structure of the first column in the embodiment;

[0054] Figure 8 yes Figure 7 DD profile diagram;

[0055] Fig. 9 yes Figure 7 EE profile of

[0056] Fig.10 is a rear structural schematic diagram of the second combination lamp holder plate assembly in the embodiment;

[0057] Fig.11 yes Fig.10 FF cross-section diagram;

[0058] Fig.12 is a schematic diagram of the rear structural view of the second column in the embodiment;

[0059] Fig.13 yes Fig.12 GG profile diagram;

[0060] Fig.14 yes Fig.12 HH profile of;

[0061] Fig.15 yes Fig.12 II section view;

[0062] Among them, 1—first combination lamp holder plate assembly, 2—first column, 3—second combination lamp holder plate assembly, 4—second column, 5—rear floor rear beam, 6—top cover rear beam, 7—first side outer plate, 8—first inner cavity, 9—first reinforcement plate, 10—second reinforcement plate, 11—first sub-inner cavity, 12—second sub-inner cavity, 13—fourth inner cavity, 14—third reinforcement plate, 15—first sub-chamber, 16—second sub-chamber, 17—first connecting plate, 18—second connecting plate;

[0063] 1.1—first water flow channel, 1.2—combined lamp holder assembly;

[0064] 1.2.1—first combination lamp holder plate, 1.2.2—upper hinge mounting plate, 1.2.3—lower hinge mounting plate;

[0065] 3.1—Second water flow channel, 3.2—Second combination lamp holder plate;

[0066] 3.2.1—main board, 3.2.2—supplementary board;

[0067] 4.1—first column section, 4.2—second column section;

[0068] 8.1—first chamber, 8.2—second chamber. DETAILED DESCRIPTION

[0069] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0070] Embodiment 1:

[0071] like Figures 1 to 9 As shown, embodiment 1 provides a side-opening back door hinge mounting support, comprising: a first combination lamp holder plate assembly 1 and a first support 2; the upper end of the first support 2 is used to be fixedly connected to one end of a rear cross beam 6 of a roof of a vehicle, and the lower end of the first support 2 is used to be fixedly connected to one end of a rear cross beam 5 of a rear floor of the vehicle;

[0072] The first pillar 2 is a tubular structure, and the outer side surface of the first pillar 2 in the left-right direction of the vehicle is used for welding and connecting with the inner side surface of the first side outer panel 7 of the vehicle;

[0073] The first combination lamp holder plate assembly 1 is arranged at the rear side of the first pillar 2, the outer end of the first combination lamp holder plate assembly 1 in the left-right direction of the vehicle is used for welding and connecting with the rear end of the first side outer panel 7, and the inner end of the first combination lamp holder plate assembly 1 in the left-right direction of the vehicle is welded and connected with the first pillar 2 to form a vertically extending first inner cavity 8 between the rear side surface of the first pillar 2 and the front side surface of the first combination lamp holder plate assembly 1;

[0074] A back door upper hinge mounting hole and a back door lower hinge mounting hole are provided on the rear side surface of the first combination lamp holder plate assembly 1 .

[0075] By making the first side outer panel 7, the first pillar 2 and the first combination lamp holder plate assembly 1 together form a complete double-cavity tubular beam structure (including the inner cavity of the first pillar 2 and the first inner cavity 8), the side-opening back door hinge installation pillar provided by the present invention has a higher overall structural strength than the existing side-opening back door hinge installation pillar, which can ensure that the upper and lower hinge installation areas of the back door are not easily deformed during the use of the side-opening back door; at the same time, by making the upper end of the first pillar 2 fixedly connected to one end of the rear cross beam 6 of the vehicle's roof, and the lower end of the first pillar 2 fixedly connected to one end of the rear cross beam 5 of the rear floor of the vehicle, the side-opening back door hinge installation pillar provided by the present invention can The first column 2 can be used to provide support for the first combination lamp holder assembly 1 and the side-opening tailgate hinged on the combination lamp holder assembly, and the better anti-bending and anti-deformation performance provided by the tubular structure of the first column 2 is utilized to ensure that the first combination lamp holder assembly 1 is not easy to move down or deform, thereby avoiding the side-opening tailgate from sinking. This solves the problem that the existing side-opening tailgate hinge installation pillar mainly provides support for the combination lamp holder plate and the side-opening tailgate hinged on the combination lamp holder plate through the D-pillar inner support plate, and as the use time goes by, there is a technical problem that the D-pillar inner support plate is easy to deform, causing the combination lamp holder plate to move down and deform, thereby causing the side-opening tailgate to sink.

[0076] In this embodiment 1, Figure 3 As shown, the first combination lamp base plate assembly 1 includes a first water flow channel 1.1 and a combination lamp base plate component 1.2;

[0077] The lower end of the first water flow channel 1.1 is welded to the upper end of the combination lamp holder plate assembly 1.2; the upper hinge mounting hole of the back door and the lower hinge mounting hole of the back door are both arranged on the rear side of the combination lamp holder plate assembly 1.2.

[0078] In this embodiment 1, Figures 3 to 5 As shown, the combination lamp base plate assembly 1.2 includes a first combination lamp base plate 1.2.1, an upper hinge mounting plate 1.2.2 and a lower hinge mounting plate 1.2.3;

[0079] The upper hinge mounting hole of the back door and the lower hinge mounting hole of the back door are both opened on the rear side of the first combination lamp holder plate 1.2.1, the upper hinge mounting plate 1.2.2 is arranged on the rear side of the first combination lamp holder plate 1.2.1 corresponding to the upper hinge mounting hole of the back door, and the lower hinge mounting plate 1.2.3 is arranged on the rear side of the first combination lamp holder plate 1.2.1 corresponding to the lower hinge mounting hole of the back door;

[0080] The rear side surfaces of the upper hinge mounting plate 1.2.2 and the lower hinge mounting plate 1.2.3 are welded to the front side surface of the first combination lamp holder plate 1.2.1; a first bolt through hole is provided on the upper hinge mounting plate 1.2.2 corresponding to the upper hinge mounting hole of the back door, and a second bolt through hole is provided on the lower hinge mounting plate 1.2.3 corresponding to the lower hinge mounting hole of the back door.

[0081] Preferably, in this embodiment 1, Figures 4 to 6 As shown, the side-opening back door hinge mounting support further includes a first reinforcing plate 9 disposed in the first inner cavity 8;

[0082] The first reinforcing plate 9 is arranged on the front side of the upper hinge mounting plate 1.2.2 and the lower hinge mounting plate 1.2.3, and the front side surface of the upper hinge mounting plate 1.2.2 and the front side surface of the lower hinge mounting plate 1.2.3 are both welded to the rear side surface of the first reinforcing plate 9;

[0083] The first reinforcing plate 9 is used to separate a first chamber 8.1 located between the first reinforcing plate 9 and the upper hinge mounting plate 1.2.2, and a second chamber 8.2 located between the first reinforcing plate 9 and the lower hinge mounting plate 1.2.3 in the first inner cavity 8;

[0084] The first chamber 8.1 is used to accommodate the end of the mounting bolt that passes through the upper hinge mounting hole and the first bolt through hole of the tailgate in sequence, and the second chamber 8.2 is used to accommodate the end of the mounting bolt that passes through the lower hinge mounting hole and the second bolt through hole of the tailgate in sequence.

[0085] By arranging the first reinforcing plate 9 in the first inner cavity 8, the first combination lamp holder plate 1.2.1, the upper hinge mounting plate 1.2.2, the lower hinge mounting plate 1.2.3 and the first reinforcing plate 9 are welded together to form a complete hollow columnar structure, which can further enhance the structural strength of the upper and lower hinge mounting areas of the tailgate and further improve the sinking problem of the side-opening tailgate.

[0086] Preferably, in this embodiment 1, Figures 6 to 8 As shown, the side-opening back door hinge mounting support further includes a second reinforcing plate 10 disposed in the first pillar 2;

[0087] The second reinforcing plate 10 extends in the vertical direction, and both sides of the second reinforcing plate 10 are welded to the inner side of the first column 2 to divide the inner cavity of the first column 2 into two sub-cavities (i.e. Figure 6 and Figure 8 The first sub-inner cavity 11 and the second sub-inner cavity 12 are marked therein).

[0088] By arranging the second reinforcing plate 10 in the first pillar 2, the first pillar 2 forms a complete double-cavity tubular beam structure (including two sub-cavities extending in the vertical direction), and then the first side outer panel 7, the first pillar 2 and the first combination lamp holder plate assembly 1 together form a complete three-cavity tubular beam structure (including the first cavity 8 and the two sub-cavities of the first pillar 2), which can further improve the structural strength of the first pillar 2, and thus the side-opening tailgate hinge mounting pillar provided by the present invention has a higher overall structural strength, and better ensures that the upper and lower hinge mounting areas of the tailgate are not easily deformed during the use of the side-opening tailgate.

[0089] Specifically, in this embodiment 1, Fig. 9 As shown, an L-shaped first connecting plate 17 is welded to the bottom end of the first upright column 2 , and a third bolt through hole for bolting to one end of the rear cross beam 5 of the rear floor is provided on the first connecting plate 17 .

[0090] In practical applications, such as Figures 6 to 8 As shown, the first column 2 is usually composed of multiple sheet metal parts welded together, and its specific manufacturing form is determined by the sheet metal process and welding process adopted. In this embodiment 1, the sheet metal process and welding process adopted in the manufacturing process of the first column 2 are both existing technologies, so the sheet metal parts constituting the first column 2 are no longer described in detail.

[0091] Embodiment 2:

[0092] Based on the side-opening back door hinge mounting pillar provided in Example 1, Example 2 provides a D-pillar structure, including a lock mounting pillar and the side-opening back door hinge mounting pillar provided in Example 1;

[0093] like Figure 2 , Fig.10 , Fig.11 , Fig.12 , Fig.13 , Fig.14 and Fig.15 As shown, the lock mounting pillar includes a second combination lamp holder plate assembly 3 and a second pillar 4; the upper end of the second pillar 4 is used to be fixedly connected to an end of the first pillar 2 of the rear cross beam 6 of the top cover of the vehicle away from the side-opening back door hinge mounting pillar, and the lower end of the second pillar 4 is used to be fixedly connected to an end of the rear cross beam 5 of the rear floor of the vehicle away from the first pillar 2;

[0094] The second pillar 4 is a tubular structure, and the outer side surface of the second pillar 4 in the left-right direction of the vehicle is used for welding and connecting with the inner side surface of the second side outer panel of the vehicle;

[0095] The second combination lamp holder plate assembly 3 is arranged at the rear side of the second pillar 4, and the outer end of the second combination lamp holder plate assembly 3 in the left-right direction of the vehicle is used for welding and connecting with the rear end of the second side outer panel, and the inner end of the second combination lamp holder plate assembly 3 in the left-right direction of the vehicle is welded and connected with the second pillar 4 to form a vertically extending second inner cavity between the rear side surface of the second pillar 4 and the front side surface of the second combination lamp holder plate assembly 3;

[0096] A back door lock mounting hole is formed on the inner side surface of the second pillar 4 in the left-right direction of the vehicle.

[0097] The second side outer panel, the second pillar 4 and the second combination lamp holder plate assembly 3 are made to form a complete double-cavity tubular beam structure (including the second inner cavity and the inner cavity of the second pillar 4), and the upper end of the second pillar 4 is fixedly connected to the end of the first pillar 2 of the rear cross beam 6 of the vehicle's roof away from the hinge mounting pillar of the side-opening tailgate, and the lower end of the second pillar 4 is used to be fixedly connected to the end of the rear cross beam 5 of the rear floor of the vehicle away from the first pillar 2; the overall structural strength of the tailgate frame (including the rear cross beam 6 of the roof, the lock mounting pillar, the rear cross beam 5 of the rear floor and the hinge mounting pillar of the side-opening tailgate) can be effectively improved, the deformation of the tailgate frame can be effectively avoided, and the sinking problem of the side-opening tailgate can be further improved.

[0098] Specifically, in this embodiment 2, Fig.10 As shown, the second combination lamp base plate assembly 3 includes a second water flow channel 3.1 and a second combination lamp base plate 3.2;

[0099] The lower end of the second water flow channel 3.1 is welded to the upper end of the second combination lamp holder plate 3.2.

[0100] Preferably, in this embodiment 2, Fig.10 and Fig.11 As shown, the second combination lamp holder plate 3.2 is welded by the main plate 3.2.1 and the supplementary plate 3.2.2 to form a "J"-shaped structure, which can effectively improve the structural strength of the second combination lamp holder plate 3.2.

[0101] Specifically, in this embodiment 2, Figure 12 to Figure 14 As shown, the second column 4 includes a first column section 4.1 and a second column section 4.2 arranged in sequence from top to bottom;

[0102] The first column section 4.1 and the second column section 4.2 are both tubular structures. The second column section 4.2 is provided with a third inner cavity and a fourth inner cavity 13. The third inner cavity and the fourth inner cavity 13 both extend in the vertical direction. The fourth inner cavity 13 is provided at the rear side of the third inner cavity.

[0103] The inner cavity of the first column section 4.1 is connected to the third inner cavity to form a third chamber together; the back door lock mounting hole is provided on the inner side surface of the second column section 4.2 in the left-right direction of the vehicle;

[0104] The tailgate lock mounting hole is connected to the fourth inner cavity 13, and the fourth inner cavity 13 is used for mounting the tailgate lock.

[0105] By configuring the second column 4 as a single-lumen tubular first column section and a double-lumen tubular second column section 4.2, and using the fourth inner cavity 13 in the second column section 4.2 to install the tailgate lock, the structural strength of the lock installation area on the lock installation pillar can be further improved.

[0106] Preferably, in this embodiment 2, Fig.14 As shown, a back door stopper mounting hole is also provided on the inner side surface of the second column section 4.2 in the left-right direction of the vehicle, and the back door stopper mounting hole is connected to the fourth inner cavity 13, and the fourth inner cavity 13 is also used for mounting the back door stopper.

[0107] By configuring the second column 4 as a single-cavity tubular first column section and a double-cavity tubular second column section 4.2, and using the fourth inner cavity 13 in the second column section 4.2 to install the back door limit block, the structural strength of the back door limit block installation area on the lock mounting pillar can be further improved.

[0108] Preferably, in this embodiment 2, Fig.13 and Fig.14 As shown, the D-pillar structure further includes a third reinforcing plate 14 disposed in the third cavity. The third reinforcing plate 14 extends in the vertical direction. Both sides of the third reinforcing plate 14 are welded to the inner side of the third cavity to separate the third cavity into two sub-cavities (i.e., Fig.13 and Fig.14 The first sub-chamber 15 and the second sub-chamber 16 are marked therein).

[0109] By arranging the third reinforcing plate 14 in the third cavity, the structural strength of the second column 4 can be further improved, so that the lock mounting pillar has a higher overall structural strength, which can better avoid the deformation of the back door frame during the use of the side-opening back door and further improve the problem of sinking of the side-opening back door.

[0110] Specifically, in this embodiment 2, Fig.15 As shown, an L-shaped second connecting plate 18 is welded to the bottom end of the second column section 4.2, and a fourth bolt through hole for bolting to one end of the rear floor rear cross beam 5 is provided on the second connecting plate 18.

[0111] In practical applications, such as Figure 12 to Figure 14As shown, the second column 4 is usually composed of multiple sheet metal parts welded together, and its specific manufacturing form is determined by the sheet metal process and welding process adopted. In this embodiment 2, the sheet metal process and welding process adopted in the manufacturing process of the second column 4 are both existing technologies, so the sheet metal parts constituting the second column 4 are no longer described in detail.

[0112] Embodiment 3:

[0113] like Figure 1 and Figure 2 As shown, based on the D-pillar structure provided in Example 2, Example 3 provides a rear door frame, including a top cover rear cross beam 6, a rear floor rear cross beam 5, and the D-pillar structure provided in Example 2;

[0114] The roof rear cross beam 6 and the rear floor rear cross beam 5 are both tubular structures;

[0115] The rear cross beam 6 of the top cover is fixedly connected between the upper end of the lock mounting pillar of the D-pillar structure and the upper end of the side-opening back door hinge mounting pillar of the D-pillar structure;

[0116] The rear floor rear cross beam 5 is fixedly connected between the lower end of the lock mounting support of the D-pillar structure and the lower end of the side-opening back door hinge mounting support of the D-pillar structure.

[0117] By setting the rear cross beam 6 of the top cover and the rear cross beam 5 of the rear floor as tubular structures, the tailgate provided by the present invention has an overall tubular beam frame structure, which can effectively improve the overall structural strength of the tailgate, avoid deformation of the tailgate, and further improve the problem of sinking of the side-opening tailgate.

[0118] Among them, "up", "down", "front", "rear", "left" and "right" in this article refer to the up, down, front, rear, left and right directions of the vehicle.

[0119] The side-opening back door hinge mounting pillar, D-pillar structure and back door frame provided by the present invention have at least the following technical effects or advantages:

[0120] 1. By making the first side outer panel 7, the first pillar 2 and the first combination lamp holder plate assembly 1 together form a complete double-cavity tube beam structure (including the inner cavity of the first pillar 2 and the first inner cavity 8), the side-opening back door hinge installation pillar provided by the present invention has a higher overall structural strength than the existing side-opening back door hinge installation pillar, which can ensure that the upper and lower hinge installation areas of the back door are not easily deformed during the use of the side-opening back door; at the same time, by making the upper end of the first pillar 2 fixedly connected to one end of the rear cross beam 6 of the vehicle's roof, and the lower end of the first pillar 2 fixedly connected to one end of the rear cross beam 5 of the rear floor of the vehicle, the side-opening back door hinge installation pillar provided by the present invention The first column 2 can be used to provide support for the first combination lamp holder plate assembly 1 and the side-opening tailgate hinged on the combination lamp holder plate assembly, and the better anti-bending and anti-deformation performance provided by the tubular structure of the first column 2 is utilized to ensure that the first combination lamp holder plate assembly 1 is not easy to move downward or deform, thereby avoiding the side-opening tailgate from sinking. This solves the technical problem that the existing side-opening tailgate hinge installation pillar mainly provides support for the combination lamp holder plate and the side-opening tailgate hinged on the combination lamp holder plate through the D-pillar inner support plate, and as the use time goes by, the D-pillar inner support plate is prone to deformation, causing the combination lamp holder plate to move downward and deform, thereby causing the side-opening tailgate to sink.

[0121] 2. By arranging the first reinforcing plate 9 in the first inner cavity 8, the first combination lamp holder plate 1.2.1, the upper hinge mounting plate 1.2.2, the lower hinge mounting plate 1.2.3 and the first reinforcing plate 9 are welded together to form a complete hollow columnar structure, which can further enhance the structural strength of the upper and lower hinge mounting areas of the tailgate and further improve the sinking problem of the side-opening tailgate.

[0122] 3. By arranging the second reinforcing plate 10 in the first pillar 2, the first pillar 2 forms a complete double-cavity tubular beam structure (including two sub-cavities extending in the vertical direction), and then the first side outer panel 7, the first pillar 2 and the first combination lamp holder plate assembly 1 together form a complete three-cavity tubular beam structure (including the first cavity 8 and the two sub-cavities of the first pillar 2), which can further improve the structural strength of the first pillar 2, and then the side-opening tailgate hinge mounting pillar provided by the present invention has a higher overall structural strength, and better ensures that the upper and lower hinge mounting areas of the tailgate are not easily deformed during the use of the side-opening tailgate.

[0123] 4. The second side outer panel, the second pillar 4 and the second combination lamp holder plate assembly 3 are made to form a complete double-cavity tubular beam structure (including the second inner cavity and the inner cavity of the second pillar 4), and the upper end of the second pillar 4 is fixedly connected to the end of the first pillar 2 of the rear cross beam 6 of the vehicle's roof away from the hinge mounting pillar of the side-opening tailgate, and the lower end of the second pillar 4 is used to be fixedly connected to the end of the rear cross beam 5 of the rear floor of the vehicle away from the first pillar 2; the overall structural strength of the tailgate frame (including the rear cross beam 6 of the roof, the lock mounting pillar, the rear cross beam 5 of the rear floor and the hinge mounting pillar of the side-opening tailgate) can be effectively improved, the deformation of the tailgate frame can be effectively avoided, and the sinking problem of the side-opening tailgate can be further improved.

[0124] 5. By configuring the second column 4 as a single-lumen tubular first column section and a double-lumen tubular second column section 4.2, and using the fourth inner cavity 13 in the second column section 4.2 to install the tailgate lock, the structural strength of the lock installation area on the lock installation pillar can be further improved.

[0125] 6. By setting the second column 4 as a single-cavity tubular first column section and a double-cavity tubular second column section 4.2, and using the fourth inner cavity 13 in the second column section 4.2 to install the back door limit block, the structural strength of the back door limit block installation area on the lock mounting pillar can be further improved.

[0126] 7. By arranging the third reinforcing plate 14 in the third cavity, the structural strength of the second column 4 can be further improved, so that the lock mounting pillar has a higher overall structural strength, which can better avoid the deformation of the back door frame during the use of the side-opening back door and further improve the sinking problem of the side-opening back door.

[0127] 8. By setting the rear cross beam 6 of the top cover and the rear cross beam 5 of the rear floor as tubular structures, the rear door frame provided by the present invention is an overall tubular beam frame structure, which can effectively improve the overall structural strength of the rear door frame, avoid deformation of the rear door frame, and further improve the problem of sinking of the side-opening rear door.

[0128] The above are only specific application examples of the present invention and do not constitute any limitation to the protection scope of the present invention. Any technical solutions formed by equivalent transformation or equivalent replacement shall fall within the protection scope of the present invention.

Claims

1. A side-opening back door hinge mounting support, characterized in that: include: A first combination lamp holder plate assembly and a first column; the upper end of the first column is used to be fixedly connected to one end of the rear cross beam of the vehicle's roof, and the lower end of the first column is used to be fixedly connected to one end of the rear cross beam of the vehicle's rear floor; The first pillar is a tubular structure, and the outer side surface of the first pillar in the left-right direction of the vehicle is used for welding and connecting with the inner side surface of the first side outer panel of the vehicle; The first combination lamp holder plate assembly is arranged at the rear side of the first pillar, the outer end of the first combination lamp holder plate assembly in the left-right direction of the vehicle is used for welding connection with the rear end of the first side outer panel, and the inner end of the first combination lamp holder plate assembly in the left-right direction of the vehicle is welded to the first pillar to form a vertically extending first inner cavity between the rear side surface of the first pillar and the front side surface of the first combination lamp holder plate assembly; A back door upper hinge mounting hole and a back door lower hinge mounting hole are provided on the rear side surface of the first combination lamp holder plate assembly.

2. The side-opening back door hinge mounting support according to claim 1, characterized in that: The first combination lamp base plate assembly includes a first water flow channel and a combination lamp base plate component; The lower end of the first water flow channel is welded to the upper end of the combination lamp holder plate assembly; the upper hinge mounting hole of the back door and the lower hinge mounting hole of the back door are both opened on the rear side surface of the combination lamp holder plate assembly.

3. The side-opening back door hinge mounting support according to claim 2, characterized in that: The combination lamp holder plate assembly comprises a first combination lamp holder plate, an upper hinge mounting plate and a lower hinge mounting plate; The upper hinge mounting hole of the back door and the lower hinge mounting hole of the back door are both provided on the rear side of the first combination lamp holder plate, the upper hinge mounting plate is provided on the rear side of the first combination lamp holder plate corresponding to the upper hinge mounting hole of the back door, and the lower hinge mounting plate is provided on the rear side of the first combination lamp holder plate corresponding to the lower hinge mounting hole of the back door; The rear side surfaces of the upper hinge mounting plate and the lower hinge mounting plate are both welded to the front side surface of the first combination lamp holder plate; a first bolt through hole is provided on the upper hinge mounting plate corresponding to the upper hinge mounting hole of the tailgate, and a second bolt through hole is provided on the lower hinge mounting plate corresponding to the lower hinge mounting hole of the tailgate.

4. The side-opening back door hinge mounting support according to claim 3, characterized in that: Also included is a first reinforcement plate disposed in the first inner cavity; The first reinforcing plate is arranged on the front sides of the upper hinge mounting plate and the lower hinge mounting plate, and the front side surface of the upper hinge mounting plate and the front side surface of the lower hinge mounting plate are both welded to the rear side surface of the first reinforcing plate; The first reinforcing plate is used to separate a first chamber located between the first reinforcing plate and the upper hinge mounting plate, and a second chamber located between the first reinforcing plate and the lower hinge mounting plate in the first inner cavity; The first chamber is used to accommodate the end of the mounting bolt that passes through the upper hinge mounting hole of the tailgate and the first bolt through hole in sequence, and the second chamber is used to accommodate the end of the mounting bolt that passes through the lower hinge mounting hole of the tailgate and the second bolt through hole in sequence.

5. The side-opening back door hinge mounting support according to claim 1, characterized in that: Also included is a second reinforcement plate disposed within the first column; The second reinforcing plate extends in the vertical direction, and both sides of the second reinforcing plate are welded to the inner side surface of the first column to separate the inner cavity of the first column into two sub-inner cavities extending in the vertical direction.

6. A D-pillar structure, characterized in that: It comprises a lock mounting pillar and a side-opening back door hinge mounting pillar as claimed in any one of claims 1 to 5; The lock mounting pillar comprises a second combination lamp holder plate assembly and a second pillar; the upper end of the second pillar is used to be fixedly connected to one end of the first pillar of the rear cross beam of the top cover of the vehicle away from the side-opening back door hinge mounting pillar, and the lower end of the second pillar is used to be fixedly connected to one end of the rear cross beam of the rear floor of the vehicle away from the first pillar; The second pillar is a tubular structure, and the outer side surface of the second pillar in the left-right direction of the vehicle is used for welding and connecting with the inner side surface of the second side panel of the vehicle; The second combination lamp holder plate assembly is arranged at the rear side of the second pillar, the outer end of the second combination lamp holder plate assembly in the left-right direction of the vehicle is used for welding connection with the rear end of the second side outer panel, and the inner end of the second combination lamp holder plate assembly in the left-right direction of the vehicle is welded to the second pillar to form a vertically extending second inner cavity between the rear side surface of the second pillar and the front side surface of the second combination lamp holder plate assembly; The second column is provided with a back door lock mounting hole on the inner side surface in the left-right direction of the vehicle.

7. The D-pillar structure according to claim 6, characterized in that: The second combination lamp holder plate assembly includes a second water flow trough and a second combination lamp holder plate; The lower end of the second water flow channel is welded to the upper end of the second combination lamp holder plate.

8. The D-pillar structure according to claim 6, characterized in that: The second column comprises a first column section and a second column section arranged in sequence from top to bottom; The first column section and the second column section are both tubular structures, and the second column section is provided with a third inner cavity and a fourth inner cavity, the third inner cavity and the fourth inner cavity both extend in a vertical direction, and the fourth inner cavity is provided at the rear side of the third inner cavity; The inner cavity of the first column section is connected to the third inner cavity to form a third chamber together; the back door lock mounting hole is provided on the inner side surface of the second column section in the left-right direction of the vehicle; The tailgate lock installation hole is connected to the fourth inner cavity, and the fourth inner cavity is used for installing the tailgate lock.

9. The D-pillar structure according to claim 8, characterized in that: It also includes a third reinforcing plate arranged in the third chamber, the third reinforcing plate extends in the vertical direction, and both sides of the third reinforcing plate are welded to the inner side surface of the third chamber to separate the third chamber into two sub-chambers extending in the vertical direction.

10. A back door frame, characterized in that: comprising a roof rear cross beam, a rear floor rear cross beam, and a D-pillar structure as claimed in any one of claims 6 to 9; The roof rear cross beam and the rear floor rear cross beam are both tubular structures; The rear cross beam of the top cover is fixedly connected between the upper end of the lock mounting pillar of the D-pillar structure and the upper end of the side-opening back door hinge mounting pillar of the D-pillar structure; The rear floor rear cross beam is fixedly connected between the lower end of the lock mounting support of the D-pillar structure and the lower end of the side-opening back door hinge mounting support of the D-pillar structure.

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