Rear floor framework assembly structure and automobile

Abstract

The invention relates to the technical field of automobiles, and provides a rear floor framework assembly structure and an automobile. The rear floor framework assembly structure comprises a first cross beam, a second cross beam, a third cross beam, a fourth cross beam and a pair of longitudinal beam assemblies, the pair of longitudinal beam assemblies are arranged in parallel, and the first cross beam, the second cross beam, the third cross beam and the fourth cross beam are arranged between the pair of longitudinal beam assemblies in parallel and are connected with the pair of longitudinal beam assemblies; a cavity is formed between the third cross beam and the pair of longitudinal beam assemblies and between the fourth cross beam and the pair of longitudinal beam assemblies. According to the rear floor framework assembly structure, the cavity is formed between the third cross beam and the fourth cross beam, cost increase caused by filling of the spare tire groove is avoided, meanwhile, after spare tire groove sheet metal parts are not arranged, the cost for designing spare tire groove sheet metal part molds can be saved, the manufacturing cost of a vehicle is reduced, and the manufacturing cost of the vehicle is reduced. And meanwhile, the requirement of a user for removing the spare tire is met.

Description

Technical Field

[0001] The invention relates to the technical field of automobiles, and in particular to a rear floor frame assembly structure and an automobile. Background Art

[0002] Most vehicles are designed with a spare tire to ensure that the tire can be changed safely and effectively in an emergency. Most cars have a spare tire well in the trunk to accommodate the spare tire.

[0003] In recent years, many users have chosen vehicles without spare tires, causing the spare tire well to become idle and requiring the design of spare tire fillers to fill the spare tire well, which invisibly increases the manufacturing cost of the vehicle; at the same time, the spare tire well sheet metal is stamped, and the high mold development cost also increases the manufacturing cost of the vehicle. Summary of the invention

[0004] The invention provides a rear floor frame assembly structure and a vehicle, which are used to solve the defect in the prior art that a spare tire groove still exists after the spare tire is removed from the vehicle, resulting in high vehicle manufacturing cost.

[0005] The present invention provides a rear floor frame assembly structure, comprising: a first cross beam, a second cross beam, a third cross beam, a fourth cross beam and a pair of longitudinal beam assemblies; the pair of longitudinal beam assemblies are arranged in parallel, the first cross beam, the second cross beam, the third cross beam and the fourth cross beam are arranged in parallel between the pair of longitudinal beam assemblies and connected to the pair of longitudinal beam assemblies; a cavity is formed between the third cross beam, the fourth cross beam and the pair of longitudinal beam assemblies.

[0006] A rear floor frame assembly structure provided according to the present invention further includes a support plate, which is arranged in the middle position of the cavity, and two ends of the support plate are respectively connected to the third cross beam and the fourth cross beam.

[0007] A rear floor frame assembly structure provided according to the present invention also includes a fixing frame, both ends of which are detachably connected to the third cross beam and the support plate respectively, and an accommodating space is formed between the fixing frame and the support plate, and the accommodating space is used to accommodate a spare tire.

[0008] A rear floor frame assembly structure provided according to the present invention also includes a first connecting member, which is arranged on the third cross beam, the first end of the fixing frame is rotatably connected to the first connecting member, and the second end of the fixing frame is detachably connected to the support plate.

[0009] According to a rear floor frame assembly structure provided by the present invention, the fixing frame includes a pair of frames, the pair of frames are arranged in parallel, the first end of each of the frames is rotatably connected to the first connecting member, and the second end of each of the frames is detachably connected to the support plate.

[0010] According to a rear floor frame assembly structure provided by the present invention, each frame has a first bending portion and a second bending portion, the first bending portion is used to clamp with the circumferential surface and the side surface of the spare tire, and the second bending portion is used to clamp with the circumferential surface of the spare tire.

[0011] According to a rear floor frame assembly structure provided by the present invention, each of the frames further has a third bent portion, and a pair of the third bent portions of a pair of the frames are used to be clamped with the wheel hub of the spare tire.

[0012] According to a rear floor frame assembly structure provided by the present invention, the fixing frame also includes a pair of fixing parts, each of the fixing parts is connected to one of the third bending parts respectively, the fixing parts are arranged vertically to the frame body, and the fixing parts have a fourth bending part, and the fourth bending part is clamped with the circumferential surface and the side surface of the spare tire.

[0013] According to a rear floor frame assembly structure provided by the present invention, the fixing frame further includes a second connecting member, and two ends of the second connecting member are respectively connected to a pair of the frame bodies.

[0014] The present invention also provides an automobile, comprising a vehicle body structure and the rear floor frame assembly structure as described above, wherein the vehicle body structure is connected to the rear floor frame assembly structure.

[0015] The rear floor frame assembly structure provided by the present invention avoids the increase in cost caused by filling the spare tire groove by setting a cavity between the third cross beam and the fourth cross beam. At the same time, after the spare tire groove sheet metal is not provided, the cost of designing the spare tire groove sheet metal mold can also be saved, thereby reducing the manufacturing cost of the vehicle and meeting the user's demand for removing the spare tire. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is one of the structural schematic diagrams of the rear floor frame assembly structure provided by the present invention.

[0018] Figure 2 This is the second structural schematic diagram of the rear floor frame assembly structure provided by the present invention.

[0019] Figure 3 This is the third structural schematic diagram of the rear floor frame assembly structure provided by the present invention.

[0020] Figure 4 yes Figure 3 A schematic diagram of the structure of the fixing frame is shown in FIG.

[0021] Reference numerals: 10. first crossbeam; 20. second crossbeam; 30. third crossbeam; 40. fourth crossbeam; 50. longitudinal beam assembly; 60. support plate; 70. fixing frame; 71. frame body; 80. first connecting member; 711, the first section of the rod; 712, the second section of the rod; 713, the third section of the rod; 714, the fourth section of the rod; 715, the fifth section of the rod; 716, the third connecting piece; 717, the fixing piece; 718, the sleeve; 719, the second connecting piece. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] Combine the following Figure 1-Figure 4 The rear floor frame assembly structure and the automobile of the present invention are described.

[0024] like Figure 1 As shown, in the embodiment of the present invention, the rear floor frame assembly structure includes: a first cross beam 10, a second cross beam 20, a third cross beam 30, a fourth cross beam 40 and a pair of longitudinal beam assemblies 50, the pair of longitudinal beam assemblies 50 are arranged in parallel, the first cross beam 10, the second cross beam 20, the third cross beam 30 and the fourth cross beam 40 are arranged in parallel between the pair of longitudinal beam assemblies 50 and connected to the pair of longitudinal beam assemblies 50. A cavity is formed between the third cross beam 30, the fourth cross beam 40 and the pair of longitudinal beam assemblies 50.

[0025] Specifically, in this embodiment, a cavity is formed between the third cross beam 30 and the fourth cross beam 40, and the spare tire groove sheet metal is no longer provided to avoid filling the spare tire groove. At the same time, after the spare tire groove sheet metal is not provided, the cost of designing the spare tire groove sheet metal mold can also be saved, thereby reducing the manufacturing cost of the vehicle and meeting the user's demand for removing the spare tire.

[0026] The rear floor frame assembly structure provided in the embodiment of the present invention avoids the increase in cost caused by filling the spare tire well by setting a cavity between the third cross beam and the fourth cross beam. At the same time, after the spare tire well sheet metal is not provided, the cost of designing the spare tire well sheet metal mold can also be saved, thereby reducing the manufacturing cost of the vehicle and meeting the user's demand for removing the spare tire.

[0027] like Figure 2 As shown, in an embodiment of the present invention, the rear floor frame assembly structure also includes a support plate 60, which is disposed in the middle of the cavity, and both ends of the support plate 60 are respectively connected to the third cross beam 30 and the fourth cross beam 40 to reduce the volume of the cavity.

[0028] like Figure 3 As shown, in an embodiment of the present invention, the rear floor frame assembly structure also includes a fixing frame 70, both ends of which are detachably connected to the third cross beam 30 and the support plate 60, respectively, and an accommodating space is formed between the fixing frame 70 and the support plate 60, and the accommodating space is used to accommodate a spare tire.

[0029] Specifically, when the user needs to set a spare tire, a support plate 60 can be set between the third crossbeam 30 and the fourth crossbeam 40. When the two ends of the fixing frame 70 are respectively connected to the third crossbeam 30 and the support plate 60, the two sides of the spare tire can be fixed by the support plate 60 and the fixing frame 70. In this embodiment, the fixing frame 70 is detachably connected to the third crossbeam 30 and the support plate 60, and can be installed when in use and removed when not in use.

[0030] like Figure 4 As shown, in an embodiment of the present invention, the rear floor frame assembly structure also includes a first connecting member 80, which is arranged on the third cross beam 30, the first end of the fixing frame 70 is rotatably connected to the first connecting member 80, and the second end of the fixing frame 70 is detachably connected to the support plate 60.

[0031] Specifically, the fixing frame 70 can also be set at the bottom of the vehicle. When in use, the second end of the fixing frame 70 is removed from the support plate 60, the fixing frame 70 is rotated, the spare tire is fitted with the support plate 60, and then the fixing frame 70 is rotated to the initial position, and the second end of the fixing frame 70 is connected to the support plate 60.

[0032] The rear floor frame assembly structure provided in the embodiment of the present invention can be installed on the bottom of the vehicle to fix the spare tire by setting a support plate and a fixing frame when a spare tire is needed. The support plate and the fixing frame have a simple structure and do not require a special mold production, thereby reducing the production cost of the vehicle.

[0033] like Figure 4 As shown, in an embodiment of the present invention, the fixing frame 70 further includes a pair of frames 71, which are arranged in parallel, the first end of each frame 71 is rotatably connected to the first connecting member 80, and the second end of each frame 71 is detachably connected to the support plate 60.

[0034] Specifically, the fixing frame 70 includes a pair of frames 71 , and there is a certain distance between the pair of frames 71 to enhance the stability after carrying the spare tire.

[0035] Furthermore, each frame 71 has a first bending portion and a second bending portion, the first bending portion is used to clamp with the circumferential surface and side surface of the spare tire, and the second bending portion is used to clamp with the edge of the spare tire. Each frame 71 also has a third bending portion, and a pair of third bending portions of a pair of frames 71 are used to clamp with the wheel hub of the spare tire.

[0036] Specifically, in this embodiment, each frame 71 is formed by bending a rod for multiple times. Specifically, the frame 71 includes: a first rod section 711, a second rod section 712, a third rod section 713, a fourth rod section 714, a fifth rod section 715 and a third connecting member 716 connected in sequence.

[0037] The first rod section 711 is inserted into the first connecting member 80 and can rotate relative to the first connecting member 80. The second rod section 712 is an L-shaped rod, which is perpendicular to the first rod section 711 and forms a first bending portion. The two rod sections of the second rod section 712 are in contact with the circumferential surface and the side surface of the spare tire respectively.

[0038] The third rod section 713 is composed of three rod sections, the angle between the two side rod sections and the middle rod section is greater than 90°, a third bending portion is formed at the angle, and the third rod section 713 is used to contact the wheel hub. The fourth rod section 714 is a straight rod, and the fourth rod section 714 contacts the wheel hub and the side of the spare tire.

[0039] The fifth rod section 715 is a bent rod, and the angle of the bending part is less than 90°. The fifth rod section 715 forms a second bent portion, and the fifth rod section 715 is used to contact the circumferential surface of the spare tire. The fifth rod section 715 also has an extended section connected to the third connecting member 716. The third connecting member 716 can be connected to the support plate 60 by bolts or the like.

[0040] like Figure 4 As shown, the fixing frame 70 also includes a pair of fixing members 717, each fixing member 717 is respectively connected to a third bending portion, the fixing member 717 is vertically arranged with the frame body 71, and the fixing member 717 has a fourth bending portion, and the fourth bending portion is clamped with the circumferential surface and the side surface of the spare tire.

[0041] Specifically, each fixing member 717 is an L-shaped rod body, and the fixing member 717 is connected to the middle rod body of the third section rod body 713, and the fixing member 717 is used to be clamped with the circumferential surface and the side surface of the spare tire. In the embodiment of the present invention, the first bending portion, the second bending portion and the fourth bending portion fix the spare tire around the spare tire, and the third bending portion fixes the wheel hub of the spare tire, thereby improving the stability of the spare tire after being fixed.

[0042] like Figure 4 As shown, in the embodiment of the present invention, the fixing frame 70 further includes a second connecting member 719, and both ends of the second connecting member 719 are respectively connected to the pair of frame bodies 71 to make the pair of frame bodies 71 become a whole.

[0043] Furthermore, a sleeve 718 is sleeved on the second rod section 712 to increase the contact area with the spare tire hub.

[0044] An embodiment of the present invention further provides an automobile, comprising a vehicle body and a rear floor frame assembly structure, wherein the vehicle body is connected to the rear floor frame assembly structure.

[0045] Specifically, the rear floor frame assembly structure includes: a first cross beam 10, a second cross beam 20, a third cross beam 30, a fourth cross beam 40 and a pair of longitudinal beam assemblies 50, the pair of longitudinal beam assemblies 50 are arranged in parallel, the first cross beam 10, the second cross beam 20, the third cross beam 30 and the fourth cross beam 40 are arranged in parallel between the pair of longitudinal beam assemblies 50 and connected to the pair of longitudinal beam assemblies 50. A cavity is formed between the third cross beam 30, the fourth cross beam 40 and the pair of longitudinal beam assemblies 50.

[0046] In this embodiment, a cavity is formed between the third cross beam 30 and the fourth cross beam 40, and the spare tire groove sheet metal is no longer provided to avoid filling the spare tire groove. At the same time, after the spare tire groove sheet metal is not provided, the cost of designing the spare tire groove sheet metal mold can also be saved, thereby reducing the manufacturing cost of the vehicle and meeting the user's demand for removing the spare tire.

[0047] The automobile provided by the embodiment of the present invention, by setting a rear floor frame assembly structure, has a small body structure modification, low parts cost investment, short solution investment time, low design cost, short mold opening time, and can quickly respond to configuration requirements; the rear floor frame assembly structure can be configured with different bodyworks without affecting the production of existing models, and meets the requirements of spare tire installation and use in various road conditions.

[0048] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A rear floor frame assembly structure, characterized in that: include: A first cross beam, a second cross beam, a third cross beam, a fourth cross beam and a pair of longitudinal beam assemblies; A pair of longitudinal beam assemblies are arranged in parallel, and the first cross beam, the second cross beam, the third cross beam and the fourth cross beam are arranged in parallel between the pair of longitudinal beam assemblies and connected to the pair of longitudinal beam assemblies; A cavity is formed between the third cross beam, the fourth cross beam and the pair of longitudinal beam assemblies.

2. The rear floor frame assembly structure according to claim 1, characterized in that: It also includes a support plate, which is arranged in the middle of the cavity, and two ends of the support plate are respectively connected to the third crossbeam and the fourth crossbeam.

3. The rear floor frame assembly structure according to claim 2, characterized in that: It also includes a fixing frame, two ends of which are detachably connected to the third cross beam and the support plate respectively, and an accommodating space is formed between the fixing frame and the support plate, and the accommodating space is used to accommodate a spare tire.

4. The rear floor frame assembly structure according to claim 3, characterized in that: It also includes a first connecting member, which is arranged on the third cross beam. The first end of the fixing frame is rotatably connected to the first connecting member, and the second end of the fixing frame is detachably connected to the support plate.

5. The rear floor frame assembly structure according to claim 4, characterized in that: The fixing frame includes a pair of frames, which are arranged in parallel. The first end of each frame is rotatably connected to the first connecting member, and the second end of each frame is detachably connected to the support plate.

6. The rear floor frame assembly structure according to claim 5, characterized in that: Each of the frames has a first bending portion and a second bending portion, wherein the first bending portion is used to be clamped with the circumferential surface and the side surface of the spare tire, and the second bending portion is used to be clamped with the circumferential surface of the spare tire.

7. The rear floor frame assembly structure according to claim 5 or 6, characterized in that: Each of the frames also has a third bending portion, and a pair of the third bending portions of a pair of the frames are used to be clamped with the wheel hub of the spare tire.

8. The rear floor frame assembly structure according to claim 7, characterized in that: The fixing frame also includes a pair of fixing members, each of which is connected to one of the third bending portions, the fixing members are arranged vertically to the frame body, and the fixing members have a fourth bending portion, and the fourth bending portion is clamped to the circumferential surface and the side surface of the spare tire.

9. The rear floor frame assembly structure according to claim 5, characterized in that: The fixing frame also includes a second connecting member, and two ends of the second connecting member are respectively connected to a pair of the frame bodies.

10. An automobile, characterized in that: It comprises a vehicle body structure and a rear floor frame assembly structure as described in any one of claims 1 to 9, wherein the vehicle body structure is connected to the rear floor frame assembly structure.

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