CN210258594U

CN210258594U - Spare wheel cabin

Info

Publication number: CN210258594U
Application number: CN201921061032.7U
Authority: CN
Inventors: 汪隋; 宋正超; 孙一鹏; 范俊; 张伟伟
Original assignee: SAIC General Motors Corp Ltd; Pan Asia Technical Automotive Center Co Ltd
Current assignee: SAIC General Motors Corp Ltd; Pan Asia Technical Automotive Center Co Ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-04-07
Anticipated expiration: 2029-07-09

Abstract

The embodiment of the utility model discloses spare tyre cabin, it includes the cabin body, be provided with the installing support that is used for installing the spare tyre on the intermediate position of the cabin bottom of the cabin body, be provided with first main muscle and second main muscle on the cabin bottom, first main muscle and second main muscle are crossing in installing support place department, be provided with the fixed plate that is used for with body connection on the circumference border of the cabin body, be provided with first depressed part on the fixed plate. Utilize the embodiment of the utility model provides a not only can improve the bulk rigidity in spare tyre cabin to improve the reliability in spare tyre cabin, reduce the spare tyre cabin because of the shake that the deformation arouses, improve the NVH performance of whole car, need not to add moreover and establish parts such as reinforcing plate, damping pad, but reduction in production cost and whole car weight, thereby reduce the oil consumption, simple structure is convenient for process and make in addition.

Description

Spare wheel cabin

Technical Field

The utility model relates to the field of automotive technology, concretely relates to spare tyre cabin.

Background

In an era of consumer rationality, consumers have been concerned about not only price, fuel consumption and reliability of vehicles, but also more driving experience, and it is NVH (Noise, Vibration, Harshness) that can directly affect the driving experience. The inventor is realizing the utility model discloses an in-process discovery, the NVH of whole car can direct influence by good or bad of passenger car spare tyre cabin design. At present, in order to improve the NVH performance, strength and reliability of a conventional spare tire cabin of a passenger vehicle, the conventional spare tire cabin of the passenger vehicle is generally realized by additionally arranging a reinforcing plate or a damping pad on the spare tire cabin, however, the additionally arranged reinforcing plate or the damping pad not only can increase the production cost, but also increases the dead weight of the whole vehicle, and the fuel consumption is higher.

SUMMERY OF THE UTILITY MODEL

In view of this, an embodiment of the present invention provides a spare tire compartment to solve the above technical problem.

The embodiment of the utility model provides a spare tyre cabin, it includes: the automobile spare tire installation structure comprises a cabin body, wherein an installation support used for installing a spare tire is arranged in the middle of the cabin bottom of the cabin body, a first main rib and a second main rib are arranged on the cabin bottom, the first main rib and the second main rib are intersected at the position of the installation support, a fixing plate used for being connected with an automobile body is arranged on the circumferential edge of the cabin body, and a first concave portion is arranged on the fixing plate.

Optionally, the first main rib is perpendicular to the second main rib, and the extending direction of the first main rib is parallel to the vehicle body running direction.

Optionally, the first main rib and the second main rib both extend to the edge of the cabin.

Optionally, a second concave portion is further disposed on the fixing plate, and the second concave portion and the first concave portion are symmetrically disposed on two sides of the first main rib and located on the same side of the second main rib.

Optionally, a third recess is provided on the bilge, and the mounting bracket is located at a middle position of the third recess.

Optionally, the first main rib and the second main rib divide the bulkhead of the cabin body into a first bulkhead, a second bulkhead, a third bulkhead and a fourth bulkhead, the first bulkhead is adjacent to the first depressed part, the second bulkhead is adjacent to the second depressed part, the first bulkhead, the second bulkhead, the third bulkhead and the fourth bulkhead are both located on two sides of the first main rib, the first bulkhead, the third bulkhead, the second bulkhead and the fourth bulkhead are both located on two sides of the second main rib, a first auxiliary rib group is arranged on the first bulkhead, the first auxiliary rib group comprises at least three first reinforcing ribs, and each first reinforcing rib extends to the edge of the cabin body from the edge of the third depressed part.

Optionally, a second auxiliary rib group is arranged on the second bulkhead, and the first auxiliary rib group and the second auxiliary rib group are symmetrical with respect to the first main rib.

Optionally, a third auxiliary rib group is arranged on the third bulkhead, the third auxiliary rib group includes at least two second reinforcing ribs, and each second reinforcing rib is parallel to the second main rib.

Optionally, a fourth auxiliary rib group is arranged on the fourth bulkhead, and the fourth auxiliary rib group and the third auxiliary rib group are symmetrical with respect to the first main rib.

Optionally, a plurality of liquid leakage settling platform holes are formed in the bilge, and the liquid leakage settling platform holes are distributed along the circumferential direction of the mounting bracket.

The embodiment of the utility model provides a spare tyre cabin is through setting up the cabin body, the bilge of the cabin body sets up crossing first main muscle and second main muscle, and set up first depressed part on the fixed plate of the border department of the cabin body, make the fixed plate, first depressed part and bilge form the three-layer ladder at least, the outline line in multiplicable spare tyre cabin, not only can improve the bulk rigidity in spare tyre cabin, thereby improve the reliability in spare tyre cabin, reduce the shake that the spare tyre cabin arouses because of warping, improve the NVH performance of whole car, and need not to add and establish the reinforcing plate, parts such as damping pad, but reduction in production cost and whole car weight, thereby reduce the oil consumption, moreover, simple structure, and convenient processing and manufacturing.

Drawings

Fig. 1 is a schematic structural diagram of a spare tire compartment according to an embodiment of the present invention.

Fig. 2 is a perspective view of the spare tire compartment according to the embodiment of the present invention.

Fig. 3 is a sectional view taken along line a-a in fig. 1.

Fig. 4 is a schematic view of a use state of the spare tire compartment according to the embodiment of the present invention.

Detailed Description

The technical solution of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Fig. 1 shows the structural schematic diagram of the spare tire cabin of the embodiment of the present invention, as shown in fig. 1, the embodiment of the present invention provides a spare tire cabin, which includes: a cabin 10.

As shown in fig. 2 to 4, a mounting bracket 11 for mounting a spare tire 50 is disposed at a middle position of a bilge 17 of the cabin body 10, and a first main rib 30 and a second main rib 40 are disposed on the bilge 17.

In one embodiment, the first main rib 30 and the second main rib 40 are both convex toward the direction close to the spare tire 50, which can increase the friction force between the bilge 17 and the spare tire 50 to better fix the spare tire 50.

In the present embodiment, the width of the first main rib 30 is equal to that of the second main rib 40, and the width L of the two main ribs is 60-100 mm. The first and second

main ribs

30 and 40 each have a depth of about 6 to 15 mm.

The mounting bracket 11 is located at the intersection of the first main rib 30 and the second main rib 40, a fixing plate 20 for connecting with a vehicle body is arranged on the circumferential edge of the cabin 10, and a first concave part 21 is arranged on the fixing plate 20.

When the spare tire cabin is used, the cabin body 10 is assembled on a vehicle body through the fixing plate 20. Then, as shown in fig. 4, the spare tire 50 is fixed in the cabin 10 by the mounting bracket 11.

The mounting bracket 11 may be a spare tire mounting bracket in the prior art. The mounting bracket 11 is welded to the tank bottom by at least four weld spots.

Preferably, the first main rib 30 is perpendicular to the second main rib 40, and the extending direction of the first main rib 30 is parallel to the running direction of the vehicle body, so that the spare tire compartment can be uniformly loaded, local overload is avoided, the arrangement of the first main rib 30 and the second main rib 40 is facilitated, and the processing and manufacturing are facilitated.

Preferably, the first main rib 30 and the second main rib 40 both extend from the bottom 17 to the edge of the cabin 10, so as to further increase the strength of the cabin 10.

Further, the fixing plate 20 is further provided with a second concave portion 22, and the second concave portion 22 and the first concave portion 21 are symmetrically disposed on two sides of the first main rib 30 and located on the same side as the second main rib 40.

By providing the second recess 22, the contour of the nacelle 10 may be further increased, thereby increasing the strength of the nacelle.

In the present embodiment, the fixing plate 20 has a rectangular shape, and the first and second

recessed portions

21 and 22 are located at two corners of the rectangular plate in the direction toward the vehicle head.

The first and

second recesses

21 and 22 are symmetrical about the first main bead 30, and the depth of the two recesses is 5-30 mm.

Furthermore, a third recess 12 is provided on the bilge 17, and the mounting bracket 11 is located at the middle position of the third recess 12.

By providing the third recessed portion 12, the fixing plate 20, the first recessed portion 21 or the second recessed portion 22, the tank bottom 17, and the third recessed portion 12 can form a four-step structure, and the contour line of the cabin 10 can be further increased, thereby increasing the strength of the cabin.

As shown in fig. 1-4, the bilge 17 and the third recess 12 are both circular and concentric. The mounting bracket 11 is mounted at the center of the third recessed portion 12.

In this embodiment, the cabin 10 is made of a common low carbon steel plate with a thickness of 0.6-0.8 mm. The radius of the bilge 17 is larger than that of the tire with the largest size, the radius R of the bilge 17 is 250-350mm, and the depth H of the cabin body 10 is 100-180 mm.

In one particular embodiment, the first and second

main ribs

30, 40 divide the bulkhead of the nacelle 10 into a first bulkhead, a second bulkhead, a third bulkhead, and a fourth bulkhead.

The first bulkhead is adjacent the first recess 21 and the second bulkhead is adjacent the second recess 22.

The first and second bulkheads, and the third and fourth bulkheads are located on opposite sides of the first main rib 30. The first and third bulkheads, and the second and fourth bulkheads are located on opposite sides of the second main rib 40.

A first auxiliary rib group 13 is arranged on the first bulkhead, the first auxiliary rib group 13 comprises at least three first reinforcing ribs 131, and each first reinforcing rib 131 extends from the edge of the third recessed portion 12 to the edge of the cabin body 10.

By providing the first auxiliary rib group 13, the rigidity of the first bulkhead can be improved, and the strength of the cabin body 10 can be further improved.

Similarly, in order to increase the rigidity of the second bulkhead, a second sub-rib group 14 is provided on the second bulkhead, and the first sub-rib group 13 and the second sub-rib group 14 are symmetrical with respect to the first main rib 30.

Further, a third auxiliary rib group 15 is arranged on the third bulkhead, and the third auxiliary rib group 15 includes at least two second reinforcing ribs 151.

Each second reinforcing rib 151 is parallel to the second main rib 40, which not only increases the rigidity of the third bulkhead, but also facilitates the arrangement of the weep counter sink holes 121.

In the embodiment of fig. 1, the first auxiliary bead group 13 includes four first reinforcing beads 131. The first and

second beads

131 and 151 may be protruded toward a direction close to the vehicle body.

Preferably, the width B of the first and

second beads

131 and 151 is 15 to 50mm and the depth is 3 to 10 mm.

Further, in order to increase the rigidity of the fourth bulkhead, a fourth sub-rib group 16 is provided on the fourth bulkhead, and the fourth sub-rib group 16 and the third sub-rib group 15 are symmetrical with respect to the first main rib 30.

Optionally, a plurality of weep platform holes 121 are formed in the bilge 17, and the plurality of weep platform holes 121 are distributed along the circumferential direction of the mounting bracket 11.

By arranging the plurality of weeping platform holes 121, accumulated water in the cabin body 10 can be effectively drained, and the effect of reducing weight can be achieved.

As shown in fig. 1-2, the third recessed portion 12 is provided with four liquid leakage platform settling holes 121, and the four liquid leakage platform settling holes 121 are uniformly distributed along the circumferential direction of the mounting bracket 11.

As shown in fig. 2, a portion of the fixing plate 20 adjacent to the third bulkhead and a portion of the fixing plate 20 adjacent to the fourth bulkhead are each provided with a weep counter sink hole 121 for better drainage.

In addition, a third reinforcing rib 23 is further provided on a portion of the fixing plate 20 adjacent to the third bulkhead, and a fourth reinforcing rib 24 is further provided on a portion of the fixing plate 20 adjacent to the fourth bulkhead, so that the rigidity of the cabin body 10 can be further improved.

As shown in fig. 1 to 4, a side wall of the cabin 10 facing away from the vehicle head is provided with a pick-and-place opening for picking and placing the spare tire 50.

The third reinforcing ribs 23 and the fourth reinforcing ribs 24 are symmetrically distributed on both sides of the pick-and-place port.

The technical solution of the present invention is described in detail with reference to the specific embodiments, and the described specific embodiments are used to help understand the idea of the present invention. The derivation and modification made by the person skilled in the art on the basis of the specific embodiments of the present invention also belong to the protection scope of the present invention.

Claims

1. A spare tire compartment, comprising: the automobile spare tire installation structure comprises a cabin body, wherein an installation support used for installing a spare tire is arranged in the middle of the cabin bottom of the cabin body, a first main rib and a second main rib are arranged on the cabin bottom, the first main rib and the second main rib are intersected at the position of the installation support, a fixing plate used for being connected with an automobile body is arranged on the circumferential edge of the cabin body, and a first concave portion is arranged on the fixing plate.

2. A spare tire compartment as claimed in claim 1 wherein said first main bead is perpendicular to said second main bead, said first main bead extending in a direction parallel to a direction of travel of the vehicle body.

3. A spare wheel well according to claim 2 wherein the first and second main tendons each extend to the edge of the well.

4. A spare wheel well according to claim 3, wherein the fixing plate is further provided with second recesses, and the second recesses and the first recesses are symmetrically arranged on both sides of the first main rib and on the same side of the second main rib.

5. A spare wheel well according to claim 4 wherein a third recess is provided in the bottom and the mounting bracket is located intermediate the third recess.

6. A spare tire compartment as claimed in claim 5, wherein said first and second main ribs divide the compartment wall of the compartment into a first compartment wall, a second compartment wall, a third compartment wall and a fourth compartment wall, said first compartment wall being adjacent to the first recessed portion, said second compartment wall being adjacent to the second recessed portion, said first and second compartment walls, said third compartment wall and said fourth compartment wall being located on either side of the first main rib, said first and third compartment walls, said second and fourth compartment walls being located on either side of the second main rib, said first compartment wall being provided with a first group of secondary ribs comprising at least three first reinforcing ribs, each extending from the rim of the third recessed portion to the compartment rim.

7. A spare tire compartment as claimed in claim 6 wherein a second group of squealers is provided on the second compartment wall, the first and second groups of squealers being symmetrical about the first main rib.

8. A spare wheel well according to claim 6 wherein a third plurality of secondary ribs is provided on the third bulkhead, the third plurality of secondary ribs comprising at least two second reinforcing ribs, each second reinforcing rib being parallel to a second main rib.

9. A spare tire compartment as claimed in claim 8 wherein a fourth group of squealers is provided on the fourth compartment wall, the fourth and third groups of squealers being symmetric about the first main bead.

10. A spare wheel well according to any of claims 1 to 9, wherein a plurality of weep platform holes are provided in the well bottom, the plurality of weep platform holes being distributed along the circumferential direction of the mounting bracket.