WO2022110023A1 - 一种背门结构及车辆 - Google Patents

一种背门结构及车辆 Download PDF

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Publication number
WO2022110023A1
WO2022110023A1 PCT/CN2020/132285 CN2020132285W WO2022110023A1 WO 2022110023 A1 WO2022110023 A1 WO 2022110023A1 CN 2020132285 W CN2020132285 W CN 2020132285W WO 2022110023 A1 WO2022110023 A1 WO 2022110023A1
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WO
WIPO (PCT)
Prior art keywords
panel
back door
tail light
inner panel
section
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Application number
PCT/CN2020/132285
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English (en)
French (fr)
Inventor
何志强
Original Assignee
浙江吉利控股集团有限公司
吉利汽车研究院（宁波）有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 浙江吉利控股集团有限公司, 吉利汽车研究院（宁波）有限公司 filed Critical 浙江吉利控股集团有限公司
Priority to PCT/CN2020/132285 priority Critical patent/WO2022110023A1/zh
Priority to CN202080105405.5A priority patent/CN116323313A/zh
Publication of WO2022110023A1 publication Critical patent/WO2022110023A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/10—Doors arranged at the vehicle rear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/30—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces

Definitions

  • the present invention relates to the technical field of vehicles, and in particular, to a back door structure of a vehicle and a vehicle having the structure.
  • the back door system is a very important part of the whole vehicle. It is generally composed of the back door sheet metal assembly, the back door lock system, the back door interior trim panel assembly, the rear windshield glass assembly, and the back door exterior trim panel. , The back door system needs to have sufficient structural strength to meet the durability requirements. Because the position of the tail light of the inner panel sheet metal of the back door is the position with the deepest punching and drawing depth of the inner panel, which is a high-incidence area of durable cracking. In order to ensure the durability of the opening and closing of the back door, in the prior art, a plurality of limit blocks are set near the corresponding area, so that when the back door is closed, the contact between the plurality of limit blocks is used to buffer the damage caused by the closing of the back door. impact. However, the existing limit blocks have high requirements on manufacturing accuracy and complex installation structures, which may cause problems such as poor appearance quality and abnormal noise of opening and closing the back door.
  • An object of the present invention is to provide a back door structure that can solve at least one problem existing in the prior art.
  • a further object of the present invention is to lighten the back door structure.
  • Another further object of the present invention is to improve the installation convenience of the back door structure.
  • a still further object of the present invention is to provide a vehicle with a novel tailgate structure.
  • the present invention provides a vehicle back door structure, comprising: a back door inner panel, a back door outer panel, a tail light cover and a reinforcing block; wherein
  • the reinforcing block is a hollow structure, which is located between the inner panel of the back door and the outer panel of the back door and is mounted on the tail light cover, and is configured to fill the gap between the tail light cover and the inner panel of the back door.
  • the reinforcement includes:
  • an outer member having a second panel proximate the inner panel of the back door, and a first panel proximate the taillight housing
  • the inner part is mounted inside the outer part and supports at least part of the first panel and at least part of the second panel away from each other.
  • first panel and the second panel have connecting edges close to each other, the two form a seal at the connecting edge, and an open edge is formed on the other side opposite to the connecting edge, and the open edges of the two are far away from each other;
  • the inner part has a narrow end that is wider than the narrow end, the narrow end is inserted into the outer part and is located near the seal, and the wide end is located between the two open sides.
  • the first panel includes a mounting section and a docking section
  • the installation section is sandwiched between the taillight cover and the inner panel of the back door, the installation section is provided with a hook, and the reinforcing block is installed on the taillight cover through the hook;
  • the receiving section and the mounting section are connected end to end to form an integral component, and the receiving section is smoothly curved and extended from the mounting section toward the outer panel of the back door, so as to be positioned at the receiving position below the taillight housing.
  • the hook is formed on the inner part, and the inner part is also formed with a holding step;
  • the installation section of the first panel is provided with a through hole to allow the hook to pass through the through hole and be clamped to the taillight cover;
  • the receiving section of the first panel is formed with a notch, and the receiving step is exposed from the notch and abuts against the taillight cover.
  • the reinforcing member further includes a backing plate, which is sleeved on the hooks protruding from the through holes, so as to be backed up between the tail light housing and the first panel.
  • the internal components include:
  • the first inner panel is abutted on the inner side of the first panel
  • the second inner panel is abutted on the inner side of the second panel
  • top panel connected to the first inner panel and the second inner panel near the free end of the mounting section;
  • At least one support rib is configured to extend from the first inner panel toward the second inner panel or bottom panel.
  • the at least one support rib includes a first support rib located between the mounting section and the second inner panel, a third support rib located between the underpinning section and the bottom plate, and the first support rib and the third support rib a second support rib between the ribs, wherein
  • One end of the second support rib is connected to the first inner panel near the transition area between the mounting section and the underpinning section, and the other end is connected to the second inner panel.
  • one end of the third support rib extends to the inside of the receiving step of the inner part.
  • a buffer layer is laid on the underpinning step.
  • the present invention provides a vehicle, comprising the back door structure described in any one of the foregoing, wherein
  • each tail light cover is provided with a reinforcing block.
  • an inner hollow reinforcing block is arranged in the gap between the tail light cover and the back door inner panel, which can enhance the local strength of the tail light cover and the back door outer panel connected thereto, and the back door is connected by the reinforcing block.
  • Door inner panel and back door tail light cover to absorb the impact of back door closing.
  • the structure of the reinforcement block of the back door structure of the present invention and the installation structure between it and the tail light cover are realized by a hook, so that the structure of the reinforcement block is simplified, and no additional connecting pieces are needed to lift the back door.
  • the installation convenience of the structure reduces the requirement for manufacturing precision.
  • the reinforcing block of the back door structure of the present invention can contact and abut against the tail light cover through two partial surfaces.
  • One is the backing plate, and the other is the surface of the supporting step.
  • the reinforcement blocks can support the tail light housing from both sides and disperse the impact force when the back door is closed.
  • the two partial surfaces can realize the surface contact between the reinforcing block and the taillight cover, and can avoid the phenomenon that the contact surface that is easy to appear because the contact surface is too large cannot be completely abutted and actually becomes a point contact or a line contact.
  • the support ribs of the reinforcing block of the present invention are generally arranged in the hollow structure of the inner part in a radioactive manner, so that the support ribs, the bottom plate and the top plate can more uniformly disperse the impact force generated by closing the door, thereby ensuring that the hollow structure is arranged.
  • the reinforcing blocks of the structure have sufficient supporting strength, thereby ensuring the light weight of the reinforcing blocks.
  • FIG. 1 is a schematic exploded view of a back door structure according to an embodiment of the present invention.
  • FIG. 2 is a schematic assembly diagram of a tail light cover and a reinforcing block according to an embodiment of the present invention
  • 3 to 5 are schematic structural diagrams of a reinforcing block viewed from different angles according to an embodiment of the present invention.
  • Figures 6 and 7 are schematic exploded views of a reinforcing block viewed from different angles according to an embodiment of the present invention.
  • Figure 8 is an end view of a reinforcement block according to one embodiment of the present invention.
  • FIG. 9 is an enlarged view of the reinforcement block shown in FIG. 8 at A, wherein the hook is shown, and the backing plate is omitted;
  • FIG. 10 is a schematic cross-sectional view taken along section line B-B in FIG. 8 .
  • FIG. 1 is a schematic exploded view of a back door structure according to an embodiment of the present invention
  • FIG. 2 is a schematic assembly view of a tail light cover 20 and a reinforcing block 10 according to an embodiment of the present invention.
  • the vehicle back door structure may generally include a back door inner panel 30 , a back door outer panel 40 , a tail light housing 20 and a reinforcement block 10 .
  • the reinforcing block 10 is a hollow structure, which is located between the back door inner panel 30 and the back door outer panel 40 and is installed on the tail light cover 20 and is configured to fill the gap between the tail light cover 20 and the back door inner panel 30 .
  • the present invention disposes the inner hollow reinforcing block 10 in the gap between the tail light cover 20 and the back door inner panel 30, which can enhance the local strength of the tail light cover 20 and the back door outer panel 40 connected thereto, and
  • the back door inner panel 30 and the back door tail lamp housing 20 are connected by the reinforcing block 10 to absorb the impact force of closing the back door.
  • the reinforcement includes an outer member 100 and an inner member 200 .
  • the outer member 100 has a second panel 120 adjacent to the back door inner panel 30 and a first panel 110 adjacent to the tail light housing 20 .
  • the inner part 200 is installed inside the outer part 100 and supports at least part of the first panel 110 and at least part of the second panel 120 away from each other.
  • the outer surface of the outer member 100 may be configured to fit with the surfaces of the back door inner panel 30 and the taillight cover 20
  • the first panel 110 may have the same or substantially the same panel shape as the corresponding surface area of the taillight cover 20
  • the second panel 120 may have the same or substantially the same panel shape as the corresponding surface area of the inner panel 30 of the back door
  • the inner part 200 is used to be inserted and mounted inside the outer part 100 to provide support. Therefore, the outer part 100 defines the outer shape of the reinforcement block 10 , which is easy to be inserted into the gap between the inner panel 30 of the back door and the taillight housing 20 , and the inner part 200 realizes buffering and support.
  • the outer part 100 and the inner part 200 may also be made of materials of different materials to better achieve their respective functions.
  • FIG. 6 and 7 are schematic exploded views of the reinforcement block 10 viewed from different angles according to one embodiment of the present invention.
  • FIG. 8 is an end view of the reinforcement block 10 according to one embodiment of the present invention
  • FIG. 10 is a schematic cross-sectional view taken along section line B-B in FIG. 8 .
  • the first panel 110 and the second panel 120 have connecting edges 111 close to each other, the two form a seal at the connecting edge 111 and an open edge 112 on the opposite side of the connecting edge 111 , and The open sides 112 of both are spaced away from each other.
  • the inner part 200 has a narrow end 231 which is inserted into the outer part 100 and is located near the seal and a wide end 232 which is wider than the narrow end 231 , and the wide end 232 is located between the two open sides 112 .
  • the reinforcing block 10 may form a partial cross-section of a substantially triangular shape, thereby enhancing the stability and compression resistance of the overall structure, and the outer part 100 having one end open and one end connected can facilitate the positioning of the inner part 200 , plugging and installation.
  • FIG. 9 is an enlarged view of the reinforcement block 10 shown in FIG. 8 at part A, wherein the hook 201 is shown, and the backing plate 333 is omitted.
  • the first panel 110 includes a mounting section 121 and a docking section 122 .
  • the installation section 121 is sandwiched between the tail light cover 20 and the back door inner panel 30 , and the installation section 121 has a hook 201 protruding therethrough.
  • the reinforcing block 10 can be mounted on the tail light housing 20 through the hook 201 .
  • the reinforcing block 10 of the present invention can be installed in a welding workshop, and is clamped by the hooks 201 on the reinforcing block 10 and fixed on the back door tail lamp cover box by thermal expansion adhesive (such as 3M glue). After the high temperature baking, the intumescent structural glue block will expand and harden.
  • the reinforcing block 10 fills the gap between the tail light cover box of the back door and the inner panel 30 of the back door, and plays the role of strengthening the local rigidity.
  • the receiving section 122 and the mounting section 121 can be connected end-to-end to form an integral component, and the receiving section 122 smoothly bends and extends from the mounting section 121 toward the back door outer panel 40 so as to be positioned on the taillight housing 20 .
  • Bottom docking position. Therefore, the lower part of the reinforcement block 10 can be basically located at the connection of the three structures of the back door outer panel 40 , the back door inner panel 30 and the taillight housing 20 , so as to provide better buffering and supporting effects.
  • the hooks 201 are formed on the inner part 200 , the inner part 200 is installed and fixed to the outer part 100 through the hooks 201 , and the installation section 121 of the first panel 110 is provided with a through hole 123 to allow the hooks 201 passes through the through hole 123 and is clamped to the tail light cover 20 , so that the reinforcing block 10 is installed on the tail light cover 20 through the hook 201 .
  • the structure of the reinforcing block 10 itself and the installation structure between it and the taillight cover 20 are realized by a hook 201 , so that the structure of the reinforcing block 10 is simplified, and no additional connecting piece is required.
  • the reinforcing member further includes a backing plate 333 , which is sleeved on the hook 201 protruding from the through hole 123 , so as to be backed up between the tail light housing 20 and the first panel 110 .
  • a receiving step 202 is also formed on the inner part 200.
  • the receiving section 122 of the first panel 110 is formed with a notch 124 , and the receiving step 202 is exposed from the notch 124 and abuts against the tail light cover 20 .
  • the reinforcing block 10 can be in contact with the tail light housing 20 through two partial surfaces.
  • One is the backing plate 333 , and the other is the surface of the supporting step 202 .
  • the reinforcing block 10 can support the tail light housing 20 from both sides thereof, and disperse the impact force when the back door is closed.
  • the two partial surfaces can realize the surface contact between the reinforcing block 10 and the taillight housing 20, and can avoid the phenomenon that the contact surface cannot be fully abutted due to the excessive contact surface and actually becomes point contact or line contact.
  • the inner member 200 may specifically include a first inner panel 241, a second inner panel 242, a top panel 240, a bottom panel 243, and support ribs.
  • the first inner panel 241 can be abutted on the inner side of the first panel 110 .
  • the second inner panel 242 can be abutted on the inner side of the second panel 120 .
  • the top plate 240 is connected to the first inner plate 241 and the second inner plate 242 near the free end of the mounting section 121 .
  • the bottom plate 243 is connected to the first inner plate 241 and the second inner plate 242 near the free end of the receiving section 122 .
  • the at least one support rib may then be configured to extend from the first inner plate 241 toward the second inner plate 242 or the bottom plate 243 .
  • the inner part 200 is constituted by the top plate 240, the bottom plate 243, the first inner plate 241 and the second inner plate 242 to form an outer contour, and the top plate 240, the bottom plate 243 and the supporting ribs provide reinforcement and support effects.
  • the at least one support rib includes a first support rib 251 located between the mounting section 121 and the second inner plate 242, a third support rib 253 located between the underpinning section 122 and the bottom plate 243, and a first support rib The second support rib 252 between the rib 251 and the third support rib 253 .
  • one end of the second support rib 252 is connected to the first inner plate 241 near the transition area between the mounting section 121 and the receiving section 122 , and the other end is connected to the second inner plate 242 .
  • the three support ribs are generally arranged radially in the hollow structure of the inner part 200, and the three support ribs, the bottom plate 243 and the top plate 240 can thereby more evenly disperse the impact force generated by closing the door, thereby ensuring that the setting is
  • the reinforcing block 10 of the hollow structure has sufficient supporting strength, thereby ensuring the light weight of the reinforcing block 10 .
  • one end of the third support rib 253 extends to the inside of the receiving step 202 of the inner member 200 . That is, the third support rib 253 is directly supported in the receiving step 202 , thereby providing better support and reinforcement for the receiving step 202 that is in contact with the taillight cover 20 .
  • a buffer layer 222 is laid on the underpinning step 202 .
  • the buffer layer 222 can be made of the same or different material as the receiving step 202 , and can better fit with the tail light cover 20 according to the local shape of the corresponding area of the tail light cover 20 .
  • An embodiment of the present invention also provides a vehicle including the tailgate structure of any of the foregoing embodiments.
  • the left and right ends of the back door of the vehicle are respectively provided with a tail light cover 20
  • each tail light cover 20 is provided with a reinforcing block 10 .
  • the two reinforcing blocks 10 are mirror-symmetrically arranged at the two tail lamp housings 20 to provide buffering for the back door of the vehicle and disperse the door closing impact force evenly and symmetrically.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

一种车辆背门结构，包括：背门内板、背门外板、尾灯罩壳和加强块；其中加强块为中空结构，其位于背门内板和背门外板之间安装在尾灯罩壳，并配置为填充尾灯罩壳和背门内板之间的间隙。在尾灯罩壳和背门内板之间的间隙内设置内部中空的加强块，可增强尾灯罩壳及与其连接的背门外板的局部强度，并且通过加强块连接背门内板和背门尾灯罩壳，以吸收背门关闭冲击力。

Description

一种背门结构及车辆 技术领域
本发明涉及车辆技术领域，特别是涉及一种车辆的背门结构及具有该结构的车辆。
背景技术
背门系统是整车非常重要的组成部分，一般由背门钣金总成、背门锁系统、背门内饰护板总成、后风窗玻璃总成和背门外饰护板等组成，背门系统需要有足够的结构强度，符合耐久性要求。因为背门内板钣金的尾灯位置是内板冲压拉延深度最深的位置，是耐久开裂的高发区域。为了保证背门开闭耐久性能，现有技术中会在相应区域附近设置多个限位块，以在关闭背门时，通过多个限位块之间进行接触来缓冲背门关闭带来的冲击力。然而现有限位块对制造精度要求较高，且安装结构较复杂，会引起外观品质差和开关背门异响等问题。
发明内容
本发明的一个目的是要提供一种能够解决现有技术中存在的至少一个问题的背门结构。
本发明的一个进一步的目的是要轻量化背门结构。
本发明的另一个进一步的目的是要提升背门结构的安装便捷性。
本发明的再一个进一步的目的是要提供一种具有新型背门结构的车辆。
特别地，本发明提供了一种车辆背门结构，包括：背门内板、背门外板、尾灯罩壳和加强块；其中
加强块为中空结构，其位于背门内板和背门外板之间安装在尾灯罩壳，并配置为填充尾灯罩壳和背门内板之间的间隙。
进一步地，加强件包括：
外部件，具有靠近背门内板的第二面板，以及靠近尾灯罩壳的第一面板；和
内部件，安装于外部件内部，并支撑至少部分第一面板和至少部分第二面板相互远离。
进一步地，第一面板和第二面板具有相互靠近的连接边，二者在连接边处形成封口，并在与连接边相反的另一侧形成开放边，且二者的开放边相互远离；以及
内部件具有窄端和宽于窄端的宽端，窄端插入外部件并位于靠近封口的位置，宽端位于两个开放边之间。
进一步地，第一面板包括安装区段和托接区段；
安装区段夹置于尾灯罩壳和背门内板之间，安装区段穿出有卡钩，加强块通过卡钩安装于尾灯罩壳；
托接区段和安装区段首尾续接形成一体构件，且托接区段自安装区段朝向背门外板平滑弯曲延伸，以定位于尾灯罩壳的下方的托接位置。
进一步地，卡钩形成于内部件上，内部件上还形成有托接台阶；
第一面板的安装区段开设有通孔，以允许卡钩自通孔穿出卡接于尾灯罩壳；
第一面板的托接区段形成有缺口，托接台阶自缺口露出并与尾灯罩壳贴靠。
进一步地，加强件还包括垫板，套设于自通孔穿出的卡钩上，以垫在尾灯罩壳与第一面板之间。
进一步地，内部件包括：
第一内板，贴靠设置于第一面板内侧；
第二内板，贴靠设置于第二面板内侧；
顶板，靠近安装区段的自由端连接第一内板和第二内板；
底板，靠近托接区段的自由端连接第一内板和第二内板；和
至少一个支撑筋，配置为自第一内板朝向第二内板或底板延伸。
进一步地，至少一个支撑筋包括位于安装区段和第二内板之间的第一支撑筋、位于托接区段和底板之间的第三支撑筋，以及位于第一支撑筋和第三支撑筋之间的第二支撑筋，其中
第二支撑筋的一端靠近安装区段和托接区段之间的过渡区连接于第一内板，其另一端连接于第二内板。
进一步地，第三支撑筋的一端延伸至内部件的托接台阶的内部。
进一步地，托接台阶上铺设有缓冲层。
进一步地，本发明提供了一种车辆，包括前述任一项所述的背门结构， 其中
车辆的背门的左右端部分别设置有一个尾灯罩壳，每个尾灯罩壳上均设置有一个加强块。
本发明的背门结构在尾灯罩壳和背门内板之间的间隙内设置内部中空的加强块，可增强尾灯罩壳及与其连接的背门外板的局部强度，并且通过加强块连接背门内板和背门尾灯罩壳，以吸收背门关闭冲击力。
进一步地，本发明的背门结构的加强块自身结构和其与尾灯罩壳之间的安装结构均通过一个卡钩实现，使得加强块的结构得到简化，无需使用额外的连接件，提升背门结构的安装便捷性，降低了对制造精度的要求。
进一步地，本发明的背门结构的加强块可通过两个局部面与尾灯罩壳接触抵靠。其一为垫板，其二为托接台阶的表面。由此，加强块可自尾灯罩壳的两个侧面对其进行支撑，并分散背门关闭时的冲击力。两个局部面即可实现加强块与尾灯罩壳的面接触，又可避免发生由于接触面过大而易于出现的接触面无法完全贴靠而实际变成点接触或线接触的现象。
进一步地，本发明的加强块的支撑筋大致呈放射性地布置在其内部件的中空结构内，支撑筋和底板及顶板由此可更均匀地分散关门产生的冲击力，由此保证设置为中空结构的加强块具有足够的支撑强度，进而保证加强块的较轻的重量。
根据下文结合附图对本发明具体实施例的详细描述，本领域技术人员将会更加明了本发明的上述以及其他目的、优点和特征。
附图说明
后文将参照附图以示例性而非限制性的方式详细描述本发明的一些具体实施例。附图中相同的附图标记标示了相同或类似的部件或部分。本领域技术人员应该理解，这些附图未必是按比例绘制的。附图中：
图1是根据本发明一个实施例的背门结构的示意性分解图；
图2是根据本发明一个实施例的尾灯罩壳和加强块的示意性装配图；
图3至5是根据本发明一个实施例的加强块从不同角度观察的示意性结构图；
图6和7是根据本发明一个实施例的加强块从不同角度观察的示意性分解图；
图8是根据本发明一个实施例的加强块的一个端部视图；
图9是图8所示的加强块的A处放大图，其中示出了卡钩，省略了垫板；
图10是沿图8中的剖切线B-B截取的示意性剖视图。
具体实施方式
图1是根据本发明一个实施例的背门结构的示意性分解图，图2是根据本发明一个实施例的尾灯罩壳20和加强块10的示意性装配图。
参加图1和图2，车辆背门结构一般性地可包括背门内板30、背门外板40、尾灯罩壳20和加强块10。具体地，加强块10为中空结构，其位于背门内板30和背门外板40之间安装在尾灯罩壳20，并配置为填充尾灯罩壳20和背门内板30之间的间隙。
也即是，本发明在尾灯罩壳20和背门内板30之间的间隙内设置内部中空的加强块10，可增强尾灯罩壳20及与其连接的背门外板40的局部强度，并且通过加强块10连接背门内板30和背门尾灯罩壳20，以吸收背门关闭冲击力。
图3至5是根据本发明一个实施例的加强块10从不同角度观察的示意性结构图。在一个实施例中，加强件包括外部件100和内部件200。外部件100具有靠近背门内板30的第二面板120，以及靠近尾灯罩壳20的第一面板110。内部件200安装于外部件100内部，并支撑至少部分第一面板110和至少部分第二面板120相互远离。
具体地，外部件100的外表面可配置为和背门内板30及尾灯罩壳20的表面适配，第一面板110可与尾灯罩壳20的对应表面区域具有相同或大致相同的板型，第二面板120可与背门内板30的对应表面区域具有相同或大致相同的板型，内部件200用于插入安装在外部件100的内部以提供支撑。由此，加强块10通过外部件100限定其外型，便于插入安装于背门内板30和尾灯罩壳20之间的间隙，并通过内部件200实现缓冲和支撑。
在一些实施例中，外部件100和内部件200还可采用不同材质的材料制成，以更好地实现各自的功能。
图6和7是根据本发明一个实施例的加强块10从不同角度观察的示意性分解图。图8是根据本发明一个实施例的加强块10的一个端部视图，图10是沿图8中的剖切线B-B截取的示意性剖视图。在一些实施例中，第一 面板110和第二面板120具有相互靠近的连接边111，二者在连接边111处形成封口，并在与连接边111相反的另一侧形成开放边112，且二者的开放边112相互远离。内部件200具有窄端231和宽于窄端231的宽端232，窄端231插入外部件100并位于靠近封口的位置，宽端232位于两个开放边112之间。
也即是，参见图10，加强块10的可形成大致为三角形的局部截面，由此增强整体结构的稳定性和抗压性，且一端开口一端连接的外部件100可便于内部件200的定位、插接和安装。
图9是图8所示的加强块10的A处放大图，其中示出了卡钩201，省略了垫板333。参加图6至图10，在一些实施例中，第一面板110包括安装区段121和托接区段122。安装区段121夹置于尾灯罩壳20和背门内板30之间，且安装区段121穿出有卡钩201。加强块10可通过卡钩201安装于尾灯罩壳20。
具体地，本发明的加强块10可在焊装车间进行安装，通过加强块10上的卡钩201卡接并通过热膨胀粘胶(例如3M胶)固定在背门尾灯罩盒上，通过涂装的高温烘烤后，膨胀性结构胶块会发生膨胀、硬化。加强块10填充背门尾灯罩盒与背门内板30的间隙，起到加强局部刚度的作用，不需要与其他零件匹配使用，降低了对制造工艺精度的要求。
进一步地，托接区段122和安装区段121可首尾续接形成一体构件，且托接区段122自安装区段121朝向背门外板40平滑弯曲延伸，以定位于尾灯罩壳20的下方的托接位置。由此，加强块10的下部可基本位于背门外板40、背门内板30和尾灯罩壳20这三件结构的连接处，以提供更好的缓冲和支撑效果。
在一些实施例中，卡钩201形成于内部件200上，内部件200通过卡钩201安装固定于外部件100，并且第一面板110的安装区段121开设有通孔123，以允许卡钩201自通孔123穿出卡接于尾灯罩壳20，由此使加强块10通过卡钩201安装于尾灯罩壳20。加强块10自身结构和其与尾灯罩壳20之间的安装结构均通过一个卡钩201实现，使得加强块10的结构得到简化，无需使用额外的连接件。
进一步地，加强件还包括垫板333，套设于自通孔123穿出的卡钩201上，以垫在尾灯罩壳20与第一面板110之间。内部件200上还形成有托接 台阶202。第一面板110的托接区段122形成有缺口124，托接台阶202自缺口124露出并与尾灯罩壳20贴靠。
也即是，加强块10可通过两个局部面与尾灯罩壳20接触抵靠。其一为垫板333，其二为托接台阶202的表面。由此，加强块10可自尾灯罩壳20的两个侧面对其进行支撑，并分散背门关闭时的冲击力。两个局部面即可实现加强块10与尾灯罩壳20的面接触，又可避免发生由于接触面过大而易于出现的接触面无法完全贴靠而实际变成点接触或线接触的现象。
在一些实施例中，内部件200可具体包括第一内板241、第二内板242、顶板240、底板243和支撑筋。第一内板241可贴靠设置于第一面板110内侧。第二内板242可贴靠设置于第二面板120内侧。顶板240靠近安装区段121的自由端连接第一内板241和第二内板242。底板243靠近托接区段122的自由端连接第一内板241和第二内板242。至少一个支撑筋则可配置为自第一内板241朝向第二内板242或底板243延伸。
也即是，内部件200由顶板240、底板243、第一内板241和第二内板242构成外轮廓，并由顶板240、底板243和支撑筋提供加强和支撑效果。
进一步，至少一个支撑筋包括位于安装区段121和第二内板242之间的第一支撑筋251、位于托接区段122和底板243之间的第三支撑筋253，以及位于第一支撑筋251和第三支撑筋253之间的第二支撑筋252。具体地，第二支撑筋252的一端靠近安装区段121和托接区段122之间的过渡区连接于第一内板241，其另一端连接于第二内板242。
也即是，三个支撑筋大致呈放射性地布置在内部件200的中空结构内，三个支撑筋和底板243及顶板240由此可更均匀地分散关门产生的冲击力，由此保证设置为中空结构的加强块10具有足够的支撑强度，进而保证加强块10的较轻的重量。
在一些实施例中，第三支撑筋253的一端延伸至内部件200的托接台阶202的内部。也即是，第三支撑筋253直接支撑于托接台阶202内，由此为与尾灯罩壳20接触贴合的托接台阶202提供更好的支撑加强作用。
在一些实施例中，托接台阶202上铺设有缓冲层222。缓冲层222可选取与托接台阶202相同或不同的材料制成，并可根据尾灯罩壳20相应区域的局部板型，由此可更好地与尾灯罩壳20进行贴合。
本发明的一个实施例还提供一种车辆，其包括前述任一实施例中的背门 结构。具体地，车辆的背门的左右端部分别设置有一个尾灯罩壳20，每个尾灯罩壳20上均设置有一个加强块10。两个加强块10镜像对称设置于两个尾灯罩壳20处，以均匀对称地为车辆的背门提供缓冲和对关门冲击力进行分散。
至此，本领域技术人员应认识到，虽然本文已详尽示出和描述了本发明的多个示例性实施例，但是，在不脱离本发明精神和范围的情况下，仍可根据本发明公开的内容直接确定或推导出符合本发明原理的许多其他变型或修改。因此，本发明的范围应被理解和认定为覆盖了所有这些其他变型或修改。

Claims (11)

  1. 一种车辆背门结构，包括：背门内板、背门外板、尾灯罩壳和加强块；其中
    所述加强块为中空结构，其位于所述背门内板和背门外板之间安装在所述尾灯罩壳，并配置为填充所述尾灯罩壳和所述背门内板之间的间隙。
  2. 根据权利要求1所述的车辆背门结构，其中，所述加强件包括：
    外部件，具有靠近所述背门内板的第二面板，以及靠近所述尾灯罩壳的第一面板；和
    内部件，安装于所述外部件内部，并支撑至少部分所述第一面板和至少部分所述第二面板相互远离。
  3. 根据权利要求2所述的车辆背门结构，其中，
    所述第一面板和所述第二面板具有相互靠近的连接边，二者在所述连接边处形成封口，并在与所述连接边相反的另一侧形成开放边，且二者的所述开放边相互远离；以及
    所述内部件具有窄端和宽于所述窄端的宽端，所述窄端插入所述外部件并位于靠近所述封口的位置，所述宽端位于两个所述开放边之间。
  4. 根据权利要求3所述的车辆背门结构，其中，
    所述第一面板包括安装区段和托接区段；
    所述安装区段夹置于所述尾灯罩壳和所述背门内板之间，所述安装区段穿出有卡钩，所述加强块通过所述卡钩安装于所述尾灯罩壳；
    所述托接区段和所述安装区段首尾续接形成一体构件，且所述托接区段自所述安装区段朝向所述背门外板平滑弯曲延伸，以定位于所述尾灯罩壳的下方的托接位置。
  5. 根据权利要求4所述的车辆背门结构，其中，
    所述卡钩形成于所述内部件上，所述内部件上还形成有托接台阶；
    所述第一面板的所述安装区段开设有通孔，以允许所述卡钩自所述通孔穿出卡接于所述尾灯罩壳；
    所述第一面板的所述托接区段形成有缺口，所述托接台阶自所述缺口露出并与所述尾灯罩壳贴靠。
  6. 根据权利要求4所述的车辆背门结构，其中，
    所述加强件还包括垫板，套设于所述卡钩上，以垫在所述尾灯罩壳与所述第一面板之间。
  7. 根据权利要求4所述的车辆背门结构，其中，所述内部件包括：
    第一内板，贴靠设置于所述第一面板内侧；
    第二内板，贴靠设置于所述第二面板内侧；
    顶板，靠近所述安装区段的自由端连接所述第一内板和所述第二内板；
    底板，靠近所述托接区段的自由端连接所述第一内板和所述第二内板；和
    至少一个支撑筋，配置为自所述第一内板朝向所述第二内板或所述底板延伸。
  8. 根据权利要求7所述的车辆背门结构，其中，
    所述至少一个支撑筋包括位于所述安装区段和所述第二内板之间的第一支撑筋、位于所述托接区段和所述底板之间的第三支撑筋，以及位于所述第一支撑筋和所述第三支撑筋之间的第二支撑筋，其中
    所述第二支撑筋的一端靠近所述安装区段和所述托接区段之间的过渡区连接于所述第一内板，其另一端连接于所述第二内板。
  9. 根据权利要求8所述的车辆背门结构，其中，
    所述第三支撑筋的一端延伸至所述内部件的托接台阶的内部。
  10. 根据权利要求5或9所述的车辆背门结构，其中，
    所述托接台阶上铺设有缓冲层。
  11. 一种车辆，包括权利要求1至10任一所述的背门结构，其中
    所述车辆的背门的左右端部分别设置有一个所述尾灯罩壳，每个所述尾灯罩壳上均设置有一个所述加强块。
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