Rear vehicle body connection structure

Abstract

The present invention relates to a rear vehicle body connection structure, comprising: an extended rear transverse member and a reinforcing transverse extension member, wherein the extended rear transverse member connects a pillar member arranged in the vertical direction of the vehicle body to a transverse member arranged in the width direction of the vehicle body at the rear of the vehicle body, and forms a seat belt mounting portion; the reinforcing transverse extension member is mounted on one side of the extended rear transverse member, and the lower part of the reinforcing transverse extension member is connected to the floor.

Description

[0001] Cross-references to related applications

[0002] This application claims priority to Korean Patent Application No. 10-2021-0029255, filed on March 5, 2021, the entire contents of which are incorporated herein by reference for all purposes. Technical Field

[0003] This invention relates to a rear vehicle body connection structure. More specifically, this invention relates to a rear vehicle body connection structure configured to strengthen the body connection portion and facilitate the installation of seat belts. Background Technology

[0004] Generally, the seat belts installed at the rear of the vehicle are structures that protrude into the vehicle. Protruding seat belts reduce luggage space and reduce business performance.

[0005] The connection between the pillar members located at the rear of the vehicle body and the transverse members arranged in the width direction of the vehicle body is insufficient to the floor, so additional reinforcement is required to improve durability.

[0006] The information included in this background section is intended only to enhance the understanding of the general background of the invention and should not be construed as an admission or in any way implying that such information constitutes prior art known to those skilled in the art. Summary of the Invention

[0007] Various aspects of the present invention aim to provide a rear vehicle body connection structure for ensuring luggage space and improving connectivity with the floor by moving the seat belt mounting position to the intersection of the pillar member and the transverse member.

[0008] The rear vehicle body connection structure according to various exemplary embodiments of the present invention may include: an extended rear transverse member and a reinforcing transverse extension member, wherein the extended rear transverse member connects a pillar member arranged in the vertical direction of the vehicle body to a transverse member arranged in the width direction of the vehicle body at the rear of the vehicle body, and forms a seat belt mounting portion; the reinforcing transverse extension member is mounted on one side of the extended rear transverse member, and the lower part of the reinforcing transverse extension member is connected to the floor.

[0009] The rear vehicle body connection structure according to various exemplary embodiments of the present invention may further include a combined light panel connected to the pillar member, wherein the upper part of the reinforcing lateral extension is connected to the combined light panel.

[0010] The rear vehicle body connection structure according to various exemplary embodiments of the present invention may further include a side exterior connected to the combined light panel, wherein a portion of the reinforcing lateral extension is connected to the side exterior.

[0011] The seat belt mounting portion may include a seat belt mounting hole formed in the extended rear transverse member, wherein a seat belt retractor is disposed within the seat belt mounting hole.

[0012] The rear vehicle body connection structure according to various exemplary embodiments of the present invention may further include a rear transverse member of a partition plate, the rear transverse member of the partition plate being mounted on the inner side of the extended rear transverse member opposite to the reinforcing transverse extension.

[0013] The extended rear transverse member may include a transverse front portion and an upper turning portion, the transverse front portion being connected to the floor; the upper turning portion is formed to bend from the transverse front portion and turn to connect the column member and the transverse member.

[0014] The rear transverse member of the partition may include a transverse front flange and a transverse upper flange, wherein the transverse front flange is connected to the transverse front portion; and the transverse upper flange is connected to the upper turning portion.

[0015] The upper transverse flange may include a first transverse flange and a second transverse flange, wherein the first transverse flange is connected to the lower part of the upper turning portion; and the second transverse flange is spaced apart from the first transverse flange and connected to the upper part of the upper turning portion.

[0016] The rear vehicle body connection structure according to various exemplary embodiments of the present invention may further include a back plate disposed behind the transverse member, wherein the rear transverse member of the partition further includes a transverse rear flange connected to the back plate.

[0017] The rear vehicle body connection structure according to various exemplary embodiments of the present invention may further include a rear floor reinforcement member connected to the floor and engaged with the lateral front flange of the rear transverse member of the partition.

[0018] According to various exemplary embodiments of the present invention, the rear vehicle body connection structure may further include a lower rear lateral side portion of a partition, which is mounted within the extended rear lateral member to the lower portion of the seat belt mounting hole.

[0019] The lower part of the rear transverse side of the partition can be connected to the reinforcing transverse extension, the extended rear transverse extension, and the rear transverse extension of the partition.

[0020] The lower lateral side of the rear portion of the partition may include: a lower outer flange, a lower front flange, and a lower inner flange, wherein the lower outer flange is connected to the reinforcing lateral extension; the lower front flange is connected to the extended rear lateral member; and the lower inner flange is connected to the rear lateral member of the partition.

[0021] The rear vehicle body connection structure according to various exemplary embodiments of the present invention may further include a mounting bracket that engages the extended rear transverse member to mount the seat belt.

[0022] The rear vehicle body connection structure according to various exemplary embodiments of the present invention may further include an upper rear lateral side portion of a partition, which is mounted within the extended rear lateral member above the seat belt mounting hole.

[0023] The upper part of the rear transverse side of the partition may include: an upper outer flange, an upper front flange, and an upper inner flange, wherein the upper outer flange is connected to the reinforcing transverse extension; the upper front flange is connected to the extended rear transverse member; and the upper inner flange is formed on the opposite side of the upper outer flange and connected to the extended rear transverse member.

[0024] The column member may further include a lower rear side enclosure connected to the extended rear transverse member, wherein the upper front flange and the upper inner flange are connected to the extended rear transverse member and the lower rear side enclosure.

[0025] The rear vehicle body connection structure according to various exemplary embodiments of the present invention may include: an extended rear transverse member and a plurality of reinforcing portions, the extended rear transverse member connecting the pillar member and the transverse member at the rear of the vehicle body and having seat belt mounting holes; the plurality of reinforcing portions being mounted adjacent to the seat belt mounting holes and forming a mounting space surrounding a seat belt retractor inserted into the seat belt mounting holes.

[0026] Multiple reinforcing components may include: a reinforcing lateral extension, a rear lateral member of the partition, a lower rear lateral side portion of the partition, and an upper rear lateral side portion of the partition. The reinforcing lateral extension is mounted on one side of the rear lateral member, and the lower portion of the reinforcing lateral extension is connected to the floor. The rear lateral member of the partition is mounted on the inner side of the rear lateral member opposite to the reinforcing lateral extension. The lower rear lateral side portion of the partition is mounted within the rear lateral member to the lower portion of the seat belt mounting hole. The upper rear lateral side portion of the partition is mounted within the rear lateral member to the upper portion of the seat belt mounting hole.

[0027] According to various exemplary embodiments of the present invention, the rear vehicle body connection structure can ensure luggage space by moving the location for installing the seat belt to the intersection of the pillar member and the transverse member.

[0028] Furthermore, the rear vehicle body connection structure according to various exemplary embodiments of the present invention can increase the structural strength of the pillar members and the transverse members, and improve the connection with the floor.

[0029] Furthermore, the effects that may be obtained or predicted due to the various exemplary embodiments of the present invention will be disclosed, directly or implicitly, in the detailed description of the various exemplary embodiments of the present invention. That is, the various effects predicted according to the various exemplary embodiments of the present invention will be disclosed in the detailed description described later.

[0030] The methods and apparatus of the present invention have other features and advantages that will be apparent from or will be set forth in detail in the accompanying drawings and subsequent embodiments incorporated herein, which together serve to explain the particular principles of the invention. Attached Figure Description

[0031] Figure 1 This is a rear view of the vehicle rear connection structure according to various exemplary embodiments of the present invention.

[0032] Figure 2 This is a perspective view of the rear vehicle body connection structure according to various exemplary embodiments of the present invention.

[0033] Figure 3 This is a perspective view of the rear vehicle body connection structure, excluding the seat belt, according to various exemplary embodiments of the present invention.

[0034] Figure 4 This is a perspective view of the rear vehicle body connection structure according to various exemplary embodiments of the present invention, excluding the extended rear transverse member.

[0035] Figure 5 This is a front view of the rear vehicle body connection structure according to various exemplary embodiments of the present invention, excluding the seat belt and the extended rear lateral member.

[0036] Figure 6 This is a perspective view of the rear vehicle body connection structure according to various exemplary embodiments of the present invention, excluding the seat belt and the extended rear transverse member.

[0037] Figure 7 This is a rear perspective view of the rear vehicle body connection structure according to various exemplary embodiments of the present invention.

[0038] Figure 8 This is a partial rear view of the rear vehicle body connection structure according to various exemplary embodiments of the present invention.

[0039] It should be understood that the accompanying drawings are not necessarily drawn to scale, but rather show slightly simplified depictions of various features illustrating the basic principles of the invention. Specific design features disclosed in this invention (including, for example, specific dimensions, orientations, positions, and shapes) will be determined in part by the specific environment in which they are intended for application and use.

[0040] Throughout these figures, the same reference numerals denote the same or equivalent parts of the invention. Detailed Implementation

[0041] The present invention will now be described in detail with reference to various specific embodiments, examples of which are presented in the accompanying drawings and described below. Although the invention will be described in conjunction with exemplary embodiments thereof, it should be understood that this specification is not intended to limit the invention to those exemplary embodiments. On the contrary, the invention is intended to cover not only the exemplary embodiments thereof, but also various alternatives, modifications, equivalents and other embodiments that may be included within the spirit and scope of the invention as defined by the appended claims.

[0042] The following is a more complete description of exemplary embodiments of the present application with reference to the accompanying drawings, in which exemplary embodiments of the present application are illustrated. Those skilled in the art will recognize that various modifications can be made to the described embodiments without departing from the spirit or scope of the invention.

[0043] To clearly explain the various exemplary embodiments of the invention, parts irrelevant to the description have been omitted, and the same reference numerals denote the same or similar elements throughout the specification.

[0044] Since the dimensions and thicknesses of the components shown in the accompanying drawings are arbitrarily labeled for ease of description, the present invention is not necessarily limited to those shown in the drawings, and the thicknesses are enlarged to clearly express the individual components and areas.

[0045] Furthermore, in the detailed description below, the names of the components are divided into First, Second, etc., in order to classify them according to the same relationship, and are not necessarily limited to the order of the following description.

[0046] Throughout the specification, when it is said that a section includes a certain component, it means that other components may also be included, rather than excluding other components, unless otherwise stated.

[0047] Furthermore, the terms such as "component" and "device" described in the specification mean a unit of integrated configuration that performs at least one function or operation.

[0048] When a component, such as a layer, film, region, plate, etc., is "on" another component, it includes not only the case where it is directly above the other component, but also the case where there is another component in between.

[0049] Conversely, when an element is referred to as being directly "on" another element, there is no intervening element.

[0050] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0051] Figure 1 This is a rear view of the vehicle rear connection structure according to various exemplary embodiments of the present invention.

[0052] refer to Figure 1 According to various exemplary embodiments of the present invention, the rear vehicle body connection structure 10 is configured to connect a pillar member 20 arranged in the vertical direction of the vehicle body to the rear of the vehicle body and a transverse member 30 arranged in the width direction of the vehicle body. The transverse member 30 supports the rear of the vehicle body and closes the tailgate (not shown). The pillar member 20 is a pillar member arranged at the very rear of the vehicle body, such as a C-pillar or a D-pillar.

[0053] Figure 2 This is a perspective view of the rear vehicle body connection structure according to various exemplary embodiments of the present invention.

[0054] refer to Figure 1 and Figure 2 The rear connection structure 10 of the vehicle body may include: an extension rear transverse 40 and a reinforcement transverse extension 60. The extension rear transverse 40 forms a seat belt mounting portion 42. The reinforcement transverse extension 60 is mounted on the side of the extension rear transverse 40, and the lower part of the reinforcement transverse extension 60 is connected to the floor 130.

[0055] The reinforcing lateral extension 60 can be connected to the side of the extended rear lateral extension 40 and the floor 130, thereby increasing the bonding strength between the extended rear lateral extension 40 and the floor 130.

[0056] In addition, the seat belt mounting part 42 can be installed at the connection position of the upright member 20 and the lateral member 30 to ensure luggage space.

[0057] The seat belt mounting portion 42 includes a seat belt mounting hole 44 formed in the extended rear transverse member 40, and the retractor 152 of the seat belt 150 can be disposed within the seat belt mounting hole 44. That is, the retractor 152 of the seat belt 150 is disposed within the seat belt mounting hole 44 to ensure more luggage space.

[0058] Figure 3 This is a perspective view of the rear vehicle body connection structure, excluding the seat belt, according to various exemplary embodiments of the present invention. Figure 4 This is a perspective view of the rear vehicle body connection structure according to various exemplary embodiments of the present invention, excluding the extended rear transverse member.

[0059] Figure 5 This is a front view of the rear vehicle body connection structure according to various exemplary embodiments of the present invention, excluding the seat belt and the extended rear lateral member. Figure 6 This is a perspective view of the rear vehicle body connection structure according to various exemplary embodiments of the present invention, excluding the seat belt and the extended rear transverse member.

[0060] Figure 7 This is a rear perspective view of the rear vehicle body connection structure according to various exemplary embodiments of the present invention. Figure 8 This is a partial rear view of the rear vehicle body connection structure according to various exemplary embodiments of the present invention.

[0061] refer to Figures 1 to 8 According to various exemplary embodiments of the present invention, the vehicle rear connection structure 10 may further include a bulk head rear transverse 80, which is mounted on the opposite side of the reinforcing transverse extension 60 inside the extended rear transverse 40.

[0062] The extended rear transverse member 40 may include a transverse front portion 48 connected to the floor 130, and an upper turning portion 50 that bends and turns at the transverse front portion 48 to connect the column member 20 and the transverse member 30.

[0063] The rear transverse member 80 of the partition may include a transverse front flange 82 connected to the transverse front portion 48 and a transverse upper flange 84 connected to the upper turning portion 50.

[0064] The upper transverse flange 84 may include a first transverse flange 86 connected to the lower part of the upper bend portion 50 and a second transverse flange 88 spaced apart from the first transverse flange and connected to the upper part of the upper bend portion 50.

[0065] That is, the rear transverse member 80 of the partition can be combined with the front part and the turning part of the extended rear transverse member 40 to increase the strength and connectivity of the extended rear transverse member 40.

[0066] The rear transverse member 80 of the partition can be welded to the extended rear transverse member 40, but is not limited thereto.

[0067] The rear vehicle body connection structure 10 according to various exemplary embodiments of the present invention further includes a back plate 160 disposed behind the transverse member 30, and the rear transverse member 80 of the partition may further include a transverse rear flange 90 connected to the back plate 160.

[0068] That is, such as Figure 6 As shown, the rear transverse member 80 of the partition has an approximately "U" shaped cross section, and the body strength can be increased by connecting the extended rear transverse member 40 located at the front of the body and the back plate 160 located at the rear of the body.

[0069] The rear connection structure 10 may further include a rear floor reinforcement 162, which is connected to the floor 130 and bolted to the lateral front flange 82 of the rear transverse member 80 of the partition.

[0070] That is, reference Figure 2 , Figure 3 as well as Figure 4 Bolt B can be connected to the transverse front flange hole 83 formed on the transverse front flange 82, thereby connecting the rear floor reinforcement 162 and the rear transverse member 80 of the partition.

[0071] The rear floor reinforcement 162 can connect the floor 130 and the rear transverse member 80 of the partition, thereby ensuring the vehicle body connectivity and increasing strength.

[0072] refer to Figure 6 and Figure 8 According to various exemplary embodiments of the present invention, the rear vehicle body connection structure 10 may further include a lower rear transverse side portion 100 of the partition, which is mounted in the lower portion of the seat belt mounting hole 44 within the extended rear transverse member 40.

[0073] The lower part 100 of the rear transverse side of the partition can be connected to the reinforcing transverse extension 60, the extended rear transverse extension 40, and the rear transverse extension 80 of the partition.

[0074] The lower lateral side 100 of the rear of the partition may include a lower outer flange 102, a lower front flange 104 and a lower inner flange 106. The lower outer flange 102 is connected to the reinforcing lateral extension 60; the lower front flange 104 is connected to the extended rear lateral member 40; and the lower inner flange 106 is connected to the rear lateral member 80 of the partition.

[0075] refer to Figures 2 to 5 According to various exemplary embodiments of the present invention, the rear vehicle body connection structure 10 may further include a mounting bracket 164 for engaging with the extended rear transverse member 40 to mount the seat belt 150.

[0076] The seat belt 150 can be mounted on the mounting bracket 164, and the lower inner flange 106 can be mounted on the opposite side of the mounting bracket 164 to distribute the load through the mounting bracket 164.

[0077] refer to Figure 8 According to various exemplary embodiments of the present invention, the rear vehicle body connection structure 10 may further include a rear transverse side upper portion 120 of the partition, which is mounted in the extension rear transverse member 40 above the seat belt mounting hole 44.

[0078] The upper lateral side 120 of the rear of the partition may include: an upper outer flange 122, an upper front flange 124, and an upper inner flange 126. The upper outer flange 122 is connected to the reinforcing lateral extension 60; the upper front flange 124 is connected to the extended rear lateral member 40; and the upper inner flange 126 is formed on the opposite side of the upper outer flange 122 and is connected to the extended rear lateral member 40.

[0079] The column member 20 may further include a lower rear side enclosure 134 connected to the extended rear transverse member 40, and the upper front flange 124 and the upper inner flange 126 may be connected to the extended rear transverse member 40 and the lower rear side enclosure 134.

[0080] For example, the extended rear transverse member 40 and the lower rear side panel 134 can be connected via bolt holes 125 and 127 formed in the upper front flange 124 and upper inner flange 126, respectively. This improves connectivity and increases vehicle body strength.

[0081] refer to Figure 2 , Figure 3 as well as Figure 7 According to various exemplary embodiments of the present invention, the rear vehicle body connection structure 10 further includes a combined light panel 132 connected to the pillar member 20, and the upper part of the reinforcing lateral extension 60 can be connected to the combined light panel 132.

[0082] The rear vehicle body connection structure 10 according to various exemplary embodiments of the present invention further includes a side exterior 140 connected to the combined light panel 132, and a portion of the reinforcing lateral extension 60 may be connected to the side exterior 140.

[0083] That is, the reinforcing lateral extension 60 can be connected to the combined light panel 132 and the side exterior 140 to increase the body strength, and the reinforcing lateral extension 60 can be further connected to the floor 130, thus further increasing the body strength.

[0084] As described above, the rear vehicle body connection structure 10 according to various exemplary embodiments of the present invention has a seat belt mounting hole 44 formed at the extended rear transverse member 40 connecting the pillar member 20 and the transverse member 30 at the rear of the vehicle body, so as to make better use of the luggage space.

[0085] Furthermore, the aforementioned multiple reinforcing portions are installed adjacent to the seat belt mounting holes 44 and form a mounting space 46 around the retractor 152 of the seat belt 150 inserted into the seat belt mounting holes 44, thereby forming a mounting space 46 with the upright member 20, which increases the connection strength of the transverse member 30.

[0086] That is, the reinforcing lateral extension 60, the rear lateral member 80 of the partition, the lower lateral side 100 of the rear lateral side of the partition, and the upper lateral side 120 of the rear lateral side of the partition form multiple reinforcing parts, thereby enhancing the connection strength between the pillar member 20 and the lateral member 30 and stably installing the seat belt 150. In other words, the multiple reinforcing parts form an approximately square mounting space 46, which increases the body strength and increases the luggage space.

[0087] For ease of interpretation and precise definition of the appended claims, the terms “upper,” “lower,” “inner,” “outer,” “above,” “below,” “upward,” “downward,” “front,” “back,” “back,” “inner side,” “outer side,” “inland,” “outer,” “internal,” “external,” “inner,” “external,” “forward,” and “backward” are used with reference to the positions of these features shown in the accompanying drawings to describe features of the exemplary embodiments. It will be further understood that the term “connection” or its derivatives refer to both direct and indirect connections.

[0088] The foregoing description of specific exemplary embodiments of the present invention is for illustrative and descriptive purposes. It is not intended to be exhaustive, nor to limit the invention to the precise forms disclosed; obviously, many changes and variations are possible in light of the foregoing teachings. The exemplary embodiments were chosen and described to explain the specific principles of the invention and its practical application, thereby enabling others skilled in the art to implement and utilize the various exemplary embodiments of the invention, as well as their different alternatives and modifications. The scope of the invention is intended to be defined by the appended claims and their equivalents.

Claims

1. A vehicle body rear connection structure comprising: an extended rear cross member connecting a pillar member disposed in a vertical direction of a vehicle body to a cross member disposed in a width direction of the vehicle body at a rear portion of the vehicle body, and formed with a seat belt mounting portion; and a reinforcing cross extension member installed on one side of the extended rear cross member, a lower portion of the reinforcing cross extension member being connected to a floor.

2. The vehicle body rear connection structure according to claim 1, further comprising: a combination lamp panel connected to the pillar member, wherein an upper portion of the reinforcing cross extension member is connected to the combination lamp panel.

3. The vehicle body rear connection structure according to claim 2, further comprising: a side outer connected to the combination lamp panel, wherein a portion of the reinforcing cross extension member is connected to the side outer.

4. The vehicle body rear connection structure according to claim 1, wherein the seat belt mounting portion includes a seat belt mounting hole formed in the extended rear cross member, a retractor of a seat belt is disposed within the seat belt mounting hole.

5. The vehicle body rear connection structure according to claim 4, further comprising: a bulkhead rear cross member installed on an inner side of the extended rear cross member opposite the reinforcing cross extension member.

6. The vehicle body rear connection structure according to claim 5, wherein the extended rear cross member includes: a cross front portion connected to the floor; and an upper turning portion formed to be bent from the cross front portion and to turn to connect the pillar member and the cross member.

7. The vehicle body rear connection structure according to claim 6, wherein the bulkhead rear cross member includes: a cross front flange connected to the cross front portion; and a cross upper flange connected to the upper turning portion.

8. The vehicle body rear connection structure according to claim 7, wherein the cross upper flange includes: a cross first flange connected to a lower portion of the upper turning portion; and a cross second flange spaced apart from the cross first flange and connected to an upper portion of the upper turning portion.

9. The vehicle body rear connection structure according to claim 7, further comprising: a back panel disposed behind the cross member, wherein the bulkhead rear cross member further includes a cross rear flange connected to the back panel.

10. The vehicle body rear connection structure according to claim 7, further comprising: a rear floor reinforcement connected to the floor and joined to the cross front flange of the bulkhead rear cross member.

11. The vehicle body rear connection structure according to claim 5, further comprising: a bulkhead rear cross side lower portion installed to a lower portion of the seat belt mounting hole within the extended rear cross member.

12. The vehicle body rear connection structure according to claim 11, wherein the bulkhead rear cross side lower portion connects the reinforcing cross extension member, the extended rear cross member, and the bulkhead rear cross member.

13. The vehicle body rear connection structure according to claim 11, wherein the bulkhead rear cross side lower portion includes: a lower outer flange connected to the reinforcing cross extension member; a lower front flange connected to the extended rear cross member; and a lower inner flange connected to the bulkhead rear cross member.

14. The vehicle body rear connection structure according to claim 13, further comprising: a mounting bracket that engages the extended rear cross member to mount the seat belt.

15. The vehicle body rear connection structure according to claim 5, further comprising: a bulkhead rear cross member upper portion that is mounted in the extended rear cross member at an upper portion of the seat belt mounting hole.

16. The vehicle body rear connection structure according to claim 15, wherein The bulkhead rear cross member upper portion includes: an upper outer flange connected to the reinforcing cross extension; an upper front flange connected to the extended rear cross member; and an upper inner flange formed on an opposite side of the upper outer flange and connected to the extended rear cross member.

17. The vehicle body rear connection structure according to claim 16, wherein: the pillar member includes a rear side wall inner lower portion connected to the extended rear cross member, the upper front flange and the upper inner flange are connected to the extended rear cross member and the rear side wall inner lower portion.

18. A vehicle body rear connection structure comprising: an extended rear cross member that connects a pillar member and a cross member at a vehicle body rear portion and has a seat belt mounting hole; and a plurality of reinforcing portions that are mounted adjacent to the seat belt mounting hole and form a mounting space that surrounds a retractor of a seat belt inserted into the seat belt mounting hole.

19. The vehicle body rear connection structure according to claim 18, wherein The plurality of reinforcing portions includes: a reinforcing cross extension that is mounted at a side of the extended rear cross member, a lower portion of the reinforcing cross extension being connected to a floor; a bulkhead rear cross member that is mounted on an inner side of the extended rear cross member opposite the reinforcing cross extension; a bulkhead rear cross member lower portion that is mounted in the extended rear cross member to a lower portion of the seat belt mounting hole; and a bulkhead rear cross member upper portion that is mounted in the extended rear cross member at an upper portion of the seat belt mounting hole.

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