CN210162179U

CN210162179U - Spare tire pit and have car of this spare tire pit

Info

Publication number: CN210162179U
Application number: CN201920698993.2U
Authority: CN
Inventors: 陆群; 董波; 陈渊
Original assignee: Beijing Changcheng Huaguan Automobile Technology Development Co Ltd
Current assignee: CH Auto Technology Co Ltd; Beijing Changcheng Huaguan Automobile Technology Development Co Ltd
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-03-20
Anticipated expiration: 2029-05-16

Abstract

The utility model provides a spare tyre hole and have car in this spare tyre hole, this spare tyre hole includes: pit side walls and pit bottom walls; wherein, a ring-shaped reinforcing rib structure is arranged at the connecting position between the pit side wall and the pit bottom wall; a step reinforcing rib structure in an annular structure is arranged on the bottom wall of the pit and used for supporting a tire of a spare tire, and a central support table is arranged on the inner wall of the step reinforcing rib structure in a surrounding mode and used for supporting a hub of the spare tire; and a step type structure is arranged among the pit bottom wall, the step reinforcing rib structure and the central support platform. The utility model discloses a hookup location between pit lateral wall and hole diapire is equipped with loop type strengthening rib structure, through the stage strengthening rib structure that is the loop configuration who sets up on the hole diapire, improves the whole rigidity intensity in this spare tyre hole, avoids the fracture in spare tyre hole to increase the security performance by bus, be stage formula structure between hole diapire, stage strengthening rib structure and the central supporting bench, with the frequency of vibration of adjustment spare tyre hole.

Description

Spare tire pit and have car of this spare tire pit

Technical Field

The utility model relates to a spare tyre hole technical field particularly, relates to a spare tyre hole and have car in this spare tyre hole.

Background

On a conventional passenger car body, a spare tire pit structure is designed when a spare tire is placed in a car. The spare tire pit needs to sink to be close to the thickness of a tire on the plane of the rear floor panel for placing the spare tire. Due to the fact that the sinking depth is large, stamping and drawing are relatively difficult, and the selected sheet metal material is soft and thin. Because place the spare tyre in the spare tyre hole, the power that receives in the automobile driving is great, so need increase many strengthening ribs in the spare tyre hole in order to satisfy the automobile can support the spare tyre and not take place to split or warp in the driving process, simultaneously, the frequency of shaking of spare tyre hole department needs to satisfy certain requirement in order to satisfy NVH performance requirement.

Referring to fig. 1 and 2, which illustrate a preferred structure of a spare tire well of the prior art lincoln MKC, a spare tire well 11' is provided on a rear floor panel 1', wherein a large boss 111' is provided at the bottom to provide welding for a spare tire jack fixing bracket, and a plurality of reinforcing ribs 112' are provided around the boss 111' to enhance the rigidity in the spare tire well.

The reinforcing ribs in the spare tire pit of the Lincoln MKC are simple and few in structure, so that the rigidity strength in the spare tire pit is low, the spare tire pit is likely to deform in the automobile driving process, meanwhile, the Vibration frequency is low, the NVH (Noise, Vibration and Harshness) performance is affected, and abnormal sound is likely to be generated in the automobile driving process.

Disclosure of Invention

In view of this, the utility model provides a spare tyre hole and have car in this spare tyre hole aims at solving the problem that the rigidity intensity that current spare tyre hole is lower leads to the spare tyre hole to warp and the lower NVH performance that influences the car of frequency of vibration.

On the one hand, the utility model provides a spare tyre hole, this spare tyre hole includes: pit side walls and pit bottom walls; wherein, a ring-shaped reinforcing rib structure is arranged at the connecting position between the pit side wall and the pit bottom wall; a step reinforcing rib structure in an annular structure is arranged on the bottom wall of the pit and used for supporting a tire of a spare tire, and a central support table is arranged on the inner wall of the step reinforcing rib structure in a surrounding mode and used for supporting a hub of the spare tire; and a step type structure is arranged among the pit bottom wall, the step reinforcing rib structure and the central support platform.

Further, in the spare tire pit, the central support platform is provided with a spare tire support frame for supporting and fixing the hub of the spare tire through the spare tire support frame.

Further, in the spare tire pit, a locking piece is arranged on the spare tire support frame and used for locking the wheel hub to the spare tire support frame when the automobile runs.

Further, in the spare tire pit, the step reinforcing rib structure is provided with a second notch, and the central support platform is convexly provided with a protruding reinforcing rib from the second notch to the outside of the step reinforcing rib structure.

Further, in the spare tire pit, the end part of the protruding reinforcing rib far away from the central support platform is connected with the pit bottom wall.

Further, above-mentioned spare tyre hole, certainly central brace table extremely hole diapire, the protrusion strengthening rib to the peripheral slope setting of step strengthening rib structure is used for right spare tyre lets the position.

Furthermore, in the spare tire pit, a plurality of claw-type reinforcing ribs are arranged in the circumferential direction of the annular reinforcing rib structure and extend upwards along the side wall of the pit.

Further, in the spare tire well, the claw-shaped reinforcing ribs are arranged in a scattering manner along the circumferential direction of the annular reinforcing rib structure.

Further, in the spare tire pit, the outer wall of the step reinforcing rib structure is provided with a plurality of reinforcing bodies along the circumferential direction of the step reinforcing rib structure.

The utility model provides a spare tyre hole is equipped with loop type strengthening rib structure through the hookup location between hole lateral wall and hole diapire, with the stability of connecting between increase hole lateral wall and the hole diapire, and, through the stage strengthening rib structure that is loop type structure who sets up on the hole diapire, so that loop type strengthening rib structure and stage strengthening rib structure play the additional strengthening, improve the whole rigidity intensity in this spare tyre hole, avoid the fracture in sheet metal component punching press and the car in-process spare tyre hole, thereby increase the security performance by bus. Simultaneously, the hole diapire, be the step formula structure between the central brace table that step strengthening rib structure and step strengthening rib structure inner wall enclose and establish, so that support the tire through step strengthening rib structure, and support wheel hub through central brace table, and can avoid spare tyre direct contact hole diapire, the vibrations through upper and lower two-layer structure absorption spare tyre promptly, with the frequency of vibration of this adjustment spare tyre hole, and simultaneously, combine ring type strengthening rib structure and step strengthening rib structure itself to the frequency of vibration of spare tyre hole, so that optimize the NVH performance of whole car, thereby improve the travelling comfort that whole car was taken bus.

Further, the claw formula strengthening rib that the circumference of loop type strengthening rib structure set up upwards extends the setting along the hole lateral wall to guarantee that the atress transmits to loop type strengthening rib structure all around, and then with vibrations and the stress that the spare tyre brought to transmit to back floor panel all around, with the frequency of vibration of adjustment spare tyre hole, further optimize the NVH performance of whole car, thereby improve the travelling comfort that whole car was taken a bus. In addition, the reinforcing ribs such as the claw type reinforcing ribs and the reinforcing bodies arranged on the spare tire pit can adjust the vibration frequency of the spare tire pit so as to achieve the purpose of optimizing the NVH performance of the whole vehicle.

On the other hand, the utility model also provides a car, this car is provided with foretell spare tyre hole.

Since the spare wheel well has the effects, the automobile with the spare wheel well also has corresponding technical effects.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

FIG. 1 is an isometric view of a spare tire well of a prior art Lincoln MKC;

FIG. 2 is a top view of a spare wheel well of a prior art Lincoln MKC;

fig. 3 is an isometric view of a spare tire well provided by an embodiment of the present invention;

fig. 4 is a top view of a spare tire pit protruding ring-shaped reinforcing rib structure provided in an embodiment of the present invention;

fig. 5 is a top view of a structure of a spare tire pit protruding step reinforcing rib provided in an embodiment of the present invention;

fig. 6 is an axonometric view of the spare tire pit provided with the spare tire support frame according to the embodiment of the present invention;

fig. 7 is a plan view of a spare tire pit in use according to an embodiment of the present invention;

FIG. 8 is a cross-sectional view taken along line A-A of FIG. 6;

fig. 9 is a schematic structural diagram of a locking member according to an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Spare tire pit example:

referring to fig. 2 to 9, a preferred structure of a spare tire well provided by an embodiment of the present invention is shown. As shown, the spare wheel well includes: pit side walls 1 and pit bottom walls 2; wherein the content of the first and second substances,

the connection position between the pit side wall 1 and the pit bottom wall 2 is provided with a ring-shaped reinforcing rib structure 3 (shown as a thick solid line region in fig. 3). Specifically, the rear floor panel 4 is a sheet metal part, which is processed with the spare tire pit through a stamping process to place the spare tire 5. The spare tire pit comprises a pit side wall 1 and a pit bottom wall 2 which are connected with each other to enclose a pit body for placing a spare tire 5, wherein the pit body is of a disc-shaped structure matched with the spare tire 5, namely, the connection position between the pit side wall 1 and the pit bottom wall 2 is of a circular structure or a nearly circular structure. In order to improve the rigidity strength of the spare tire pit, a ring-shaped reinforcing rib structure 3 is arranged at the connecting position between the pit side wall 1 and the pit bottom wall 2 to play a role in reinforcement, so that the stability of connection between the pit side wall 1 and the pit bottom wall 2 is improved, and the overall rigidity strength of the spare tire pit is improved. Preferably, the annular stiffener structure 3 is provided with the first notch 32, and of course, the annular stiffener structure 3 may also be configured as a whole annular structure, which can be determined according to practical situations, and is not limited in this embodiment. In order to further improve the strength of the spare wheel well, it is preferable that the annular reinforcing rib structure 3 is circumferentially provided with a plurality of claw-type reinforcing ribs 31 extending upward (relative to the position shown in fig. 1) along the side wall 1 of the spare wheel well, so as to ensure that the stress is transmitted to the periphery of the annular reinforcing rib structure 3, and further transmit the vibration and stress caused by the spare wheel 5 to the rear floor panel 4, so as to adjust the vibration frequency of the spare wheel well, optimize the NVH performance of the whole vehicle, and improve the comfort of the whole vehicle during riding. It is further preferable that the claw ribs 31 are provided in a scattering shape along the circumferential direction of the annular rib structure 3 to avoid stress concentration in the circumferential direction of the annular rib structure 3 to uniformly improve the strength of the annular rib structure 3. Four divergent claw ribs 31 are designed outward from the annular rib structure 3, and are symmetrically arranged about the axis of the annular rib structure 3, but the number of the claw ribs 31 may be set according to the strength requirement of the spare tire well. Wherein, claw formula strengthening rib 31 can be the linear type strengthening rib to improve the intensity of pit lateral wall 1 and the stability of being connected between pit lateral wall 1 and the pit diapire 2, avoid the fracture in spare tyre pit.

The pit bottom wall 2 is provided with a step bead structure 6 (shown in a thick solid line region in fig. 4) of a ring-shaped configuration for supporting a tire 51 of the spare tire 5. Specifically, be provided with step strengthening rib structure 6 on the pit diapire 2, it is corresponding with the central point of pit diapire 2 puts to spare tyre 5 places in the top that pit diapire 2 central point put, avoids the slope of spare tyre 5, and then makes the stress equipartition that receives of pit diapire 2, with strengthen the effect through step strengthening rib structure 6, and then increase the stability of being connected between pit lateral wall 1 and the pit diapire 2, improve the whole rigidity intensity of this spare tyre pit. The step reinforcing rib structure 6 is an annular structure and is used for supporting the tire 51 of the spare tire 5, the rigidity strength of the pit bottom wall 2 can be uniformly improved, and cracking caused by local stress concentration of the spare tire pit is avoided. A circular or polygonal central support platform 7 is surrounded on the inner wall of the step reinforcing rib structure 6 for supporting the hub 52 of the spare tire 5. Preferably, the step reinforcing rib structure 6 is provided with a second notch 61, and the center support platform 7 is convexly provided with a protruding reinforcing rib 71 from the second notch 61 to the outside of the step reinforcing rib structure 6 for connecting the center support platform 7 and the pit bottom wall 2, thereby improving the strength of the center support platform 7 and ensuring the stability of the center support platform 7, that is, one end (the upper end shown in fig. 4) of the protruding reinforcing rib 71, that is, the end of the protruding reinforcing rib 71 far away from the center support platform 7 is connected with the pit bottom wall 2, and the other end (the lower end shown in fig. 4) is connected with the center support platform 7. Further preferably, from central brace table 7 to pit bottom wall 2, protrusion strengthening rib 71 sets up to the periphery of step strengthening rib structure 6 promptly the slope all around of step strengthening rib structure 6, be used for stepping down spare tyre 5, avoid protruding strengthening rib 71 and the interference between the spare tyre 5, simultaneously, make atress and vibrations on the central brace table 7 progressively transmit to pit bottom wall 2 on, pit bottom wall 2 rethread annular strengthening rib structure 3 and claw formula strengthening rib 31 are to transmitting to rear floor panel 4 all around, thereby avoid the deformation of spare tyre pit in the automobile driving process, reduce the vibration frequency simultaneously, optimize the NVH performance of whole car, in order to avoid the automobile driving process to produce the abnormal sound, improve whole car travelling comfort. It is further preferred that the second notch 61 and the first notch 32 correspond in position to further reduce the vibration frequency thereof. Wherein, the central support platform 7 and the protruding reinforcing ribs 71 are an integral structure, and are directly processed by a stamping process. In order to improve the strength of the step reinforcing structure 6, it is preferable that the outer wall of the step reinforcing structure 6 is provided with a plurality of reinforcing bodies 62 extending along the circumferential direction of the step reinforcing structure 6, so as to reinforce the strength of the step reinforcing structure 6, thereby improving the rigidity of the spare tire well as the whole. Preferably, the reinforcing bodies 62 are arranged symmetrically with respect to the axis of the step bead structure 6, four are exemplified in the present embodiment, but the number of the reinforcing bodies 62 may be set according to the strength requirement of the spare tire well.

A step type structure is arranged among the central support platforms 7 enclosed by the pit bottom wall 2, the step reinforcing rib structure 3 and the inner wall of the step reinforcing rib structure 3. Specifically, pit diapire 2, the height successive layer of the 3 inner walls of step strengthening rib structure 3 and step strengthening rib structure enclose the center brace table 7 of establishing increases progressively, make the step table structure of layer step between the three be the step structure, so that support tire 51 through step strengthening rib structure 3, and support wheel hub 52 through center brace table 7, and can avoid 5 direct contact pit diapire 2 of spare tyre, so that the vibrations of spare tyre are absorbed through upper and lower two-layer structure, with the frequency of vibrations of this adjustment spare tyre pit, improve the vibration performance of spare tyre pit, and then optimize the NVH performance of whole car, thereby improve the travelling comfort that whole car was by bus.

It can be obviously understood that the spare tire pit provided in the embodiment is provided with the annular reinforcing rib structure 3 at the connecting position between the pit side wall 1 and the pit bottom wall 2, so as to increase the stability of connection between the pit side wall 1 and the pit bottom wall 2, and further, through the step reinforcing rib structure 6 which is of the annular structure and is arranged on the pit bottom wall 2, so that the annular reinforcing rib structure 3 and the step reinforcing rib structure 6 play a role in reinforcement, the overall rigidity of the spare tire pit is improved, cracking of the spare tire pit in the stamping process of a sheet metal part and the driving process of an automobile is avoided, and the safety performance of taking a bus is improved. Simultaneously, pit diapire 2, be the step formula structure between the 3 inner wall of step strengthening rib structure 3 and the 3 inner wall of step strengthening rib structure enclose the center brace table 7 of establishing, so that support tire 51 through step strengthening rib structure 3, and support wheel hub 52 through center brace table 7, and can avoid spare tyre 5 direct contact pit diapire 2, absorb the vibrations of spare tyre through upper and lower two-layer structure, with the frequency of vibrations of this adjustment spare tyre hole, and simultaneously, combine ring type strengthening rib structure 3 and the adjustment of step strengthening rib structure 6 self to the frequency of vibrations in spare tyre hole, so that optimize the NVH performance of whole car, thereby improve the travelling comfort that whole car was taken a bus.

Further, the claw formula strengthening rib 31 of ring type strengthening rib structure 3's circumference setting upwards extends the setting along hole lateral wall 1 to guarantee that the atress transmits all around to ring type strengthening rib structure 3, and then with vibrations and the stress that spare tyre 5 brought to transmitting all around to back floor panel 4, with the frequency of vibration of adjustment spare tyre hole, further optimize the NVH performance of whole car, thereby improve the travelling comfort that whole car was taken a bus. In addition, the reinforcing ribs arranged on the spare tire pit, such as the claw type reinforcing rib 31 and the reinforcing body 62, can adjust the vibration frequency of the spare tire pit so as to achieve the purpose of optimizing the NVH performance of the whole vehicle.

In the above embodiment, the spare tire support frame 8 is disposed on the center support platform 7 for supporting the hub 52 of the spare tire 5, that is, the center support platform 7 supports the hub 52 through the spare tire support frame 8, so as to ensure the stability of the support of the hub 52 and further reduce the vibration of the spare tire 5. Specifically, the spare tire support frame 8 may have a zigzag structure, both sides of which are fixed to the central support platform 7 by flanges 81, wherein the flanges 81 may be connected to the central support platform 7 by spot welding to ensure the connection stability therebetween.

In the above embodiment, the locking member 9 is provided on the spare tire support bracket 8 to lock the hub 52 to the spare tire support bracket 8 when the vehicle is running. Specifically, the locking member 9 may be a fixed screw structure, and the spare tire support frame 8 may be provided with an installation hole 82 for connecting the locking member 9; the locking member 9 is inserted through the center of the hub 52 and presses against the hub 52 through a pressing end 91 (the upper end shown in fig. 7) to press the hub 52 against the spare tire support frame 8, and is screwed with the mounting hole 82 through a screw 92 to fix the spare tire 5 to the spare tire support frame 8, so as to achieve the connection and fixation between the spare tire 5 and the rear floor panel 4, thereby preventing the spare tire from shaking when the automobile is running.

In conclusion, the spare tire pit that this embodiment provided is equipped with loop type strengthening rib structure 3 through the hookup location between pit lateral wall 1 and pit diapire 2, in order to increase the stability of connecting between pit lateral wall 1 and the pit diapire 2, and, through the stage strengthening rib structure 6 that is the loop type structure that sets up on the pit diapire 2, so that loop type strengthening rib structure 3 and stage strengthening rib structure 6 play the stiffening action, improve the whole rigidity intensity in this spare tire pit, avoid the fracture in sheet metal component punching press and the automobile driving in-process spare tire pit, thereby increase the security performance by bus. Simultaneously, pit diapire 2, be the step formula structure between the 3 inner wall of step strengthening rib structure 3 and the 3 inner wall of step strengthening rib structure enclose the center brace table 7 of establishing, so that support tire 51 through step strengthening rib structure 3, and support wheel hub 52 through center brace table 7, and can avoid spare tyre 5 direct contact pit diapire 2, absorb the vibrations of spare tyre through upper and lower two-layer structure promptly, with the frequency of vibrations of this adjustment spare tyre pit, and simultaneously, combine ring type strengthening rib structure 3 and the adjustment of step strengthening rib structure 6 self to the frequency of vibrations in spare tyre pit, so that optimize the NVH performance of whole car, thereby improve the travelling comfort that whole car was taken a bus.

The automotive embodiment:

the utility model also provides a car, this car is provided with foretell spare tyre hole. The specific implementation process of the spare tire well can be referred to the above description, and the detailed description of the embodiment is omitted here.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A spare tire well, comprising: a pit side wall (1) and a pit bottom wall (2); wherein the content of the first and second substances,

a ring-shaped reinforcing rib structure (3) is arranged at the connecting position between the pit side wall (1) and the pit bottom wall (2);

a step reinforcing rib structure (6) in an annular structure is arranged on the pit bottom wall (2) and used for supporting a tire (51) of a spare tire (5), and a central supporting table (7) is arranged on the inner wall of the step reinforcing rib structure (6) in a surrounding mode and used for supporting a hub (52) of the spare tire (5);

the pit bottom wall (2), the step reinforcing rib structure (6) and the central support platform (7) are in a step type structure.

2. Spare tire well according to claim 1,

and a spare tire support frame (8) is arranged on the central support platform (7) and is used for supporting and fixing the wheel hub (52) through the spare tire support frame (8).

3. Spare tire well according to claim 2,

be equipped with locking piece (9) on spare tyre support frame (8) for with when the car goes wheel hub (52) locking extremely on spare tyre support frame (8).

4. Spare tire well according to any one of claims 1 to 3,

and a second notch (61) is formed in the step reinforcing rib structure (6), and a protruding reinforcing rib (71) is convexly arranged on the central support platform (7) from the second notch (61) to the outside of the step reinforcing rib structure (6).

5. Spare tyre well as claimed in claim 4, characterised in that the end of the protruding reinforcing bead (71) remote from the central support platform (7) is connected to the well bottom wall (2).

6. Spare tire well according to claim 5,

from center brace table (7) extremely pit diapire (2), protrusion strengthening rib (71) to the peripheral slope setting of step strengthening rib structure (6) is used for right spare tyre (5) give way.

7. Spare tire well according to any one of claims 1 to 3,

the circumference of annular reinforcing rib structure (3) is equipped with a plurality of claw formula strengthening rib (31), and it follows pit lateral wall (1) upwards extends the setting.

8. The spare wheel well of claim 7, wherein the claw reinforcement (31) is arranged in a scattering manner in a circumferential direction of the ring-type reinforcement structure (3).

9. Spare tire well according to any one of claims 1 to 3,

the outer wall of the step reinforcing rib structure (6) is provided with a plurality of reinforcing bodies (62) along the circumferential direction of the step reinforcing rib structure (6).

10. An automobile, characterized in that a spare wheel well according to any one of claims 1 to 9 is provided.