CN218907426U

CN218907426U - Spare tire support for truck

Info

Publication number: CN218907426U
Application number: CN202223384490.9U
Authority: CN
Inventors: 徐永泉; 李昕蔚; 周宝成; 李建国; 徐露航; 王奥; 赵帅
Original assignee: Zhuozhou Shenghong Machinery Co ltd
Current assignee: Zhuozhou Shenghong Machinery Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-04-25
Anticipated expiration: 2032-12-16

Abstract

The utility model discloses a spare tire support for a truck, which comprises a main board body, a left connecting board and a right connecting board, wherein the main board body is of a C-shaped structure, the left connecting board and the right connecting board are symmetrically connected to the bottom of the main board body along the length direction, the cross sections of the left connecting board and the right connecting board are L-shaped, the lengths of the left connecting board and the right connecting board are smaller than the length of the main board body, the two side edges of the left connecting board and the right connecting board and the main board body are in circular arc transition with the radius of R1 and R2 in sequence, and the main board body, the left connecting board and the right connecting board are all made of aluminum alloy. The utility model reduces the weight of the part on the premise of ensuring the performance of the part, increases the strength in the vertical direction, ensures the strength in other directions, meets the stress condition under complex working conditions, improves the fatigue resistance of the part and can meet the requirement of light weight of automobiles.

Description

Spare tire support for truck

Technical Field

The utility model relates to the technical field of vehicle parts, in particular to a spare tire bracket for a truck.

Background

In general, the spare tire of a truck is put at the rear part of the truck and at the lower part of a longitudinal beam, and a spare tire lifting device is fixed on a spare tire bracket which is connected with an automobile girder. Because the spare tire is hung outside the vehicle body, the stress of the spare tire is borne by the spare tire bracket under the complex working condition, if the spare tire bracket fails, the spare tire is lost due to light weight, and the spare tire can fly out to hurt people due to heavy weight. Therefore, the requirements on the bearing capacity of the spare tire support are strict, most of the existing spare tire support base materials are processed into finished products by carbon steel parts, the weight of the finished products is heavy, and the requirement on the weight reduction of automobiles is not met.

Disclosure of Invention

The utility model aims to provide a spare tire bracket for a truck, which solves the problems in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model relates to a spare tire support for a truck, which comprises a main board body, a left connecting board and a right connecting board, wherein the main board body is of a C-shaped structure, the left connecting board and the right connecting board are symmetrically connected to the bottom of the main board body along the length direction, the cross sections of the left connecting board and the right connecting board are L-shaped, the lengths of the left connecting board and the right connecting board are smaller than the length of the main board body, the two side edges of the left connecting board and the right connecting board and the main board body are in circular arc transition with the radius of R1 and R2 in sequence, and the main board body, the left connecting board and the right connecting board are all made of aluminum alloy.

Further, the mainboard body is including last diaphragm, left side riser, lower diaphragm and the right side riser that connect gradually, go up the diaphragm with the face of diaphragm is parallel with the horizontal plane down, the face of left side riser respectively with go up the diaphragm with the face of diaphragm is perpendicular down and be connected, the face of right side riser with the face of diaphragm is perpendicular down and be connected, left connecting plate with right connecting plate connects respectively the bottom both sides of diaphragm down.

Further, the length of the upper cross plate is smaller than the length of the lower cross plate.

Further, the length of the right riser is less than the length of the left riser.

Still further, the both ends of lower diaphragm are provided with the connecting hole that is used for being connected with the girder.

Further, the middle part of the left vertical plate is symmetrically provided with mounting holes for mounting the spare tire hoisting device.

Further, the radius R1 is smaller than the radius R2.

Compared with the prior art, the utility model has the beneficial technical effects that:

the spare tire bracket for the truck adopts the 6-series high-strength aluminum alloy section, because the density of the aluminum alloy is about one third of that of carbon steel, the novel cross-section shape is designed through CAE analysis, the weight of the part is reduced on the premise of ensuring the performance of the part, the actual test and the whole automobile verification are passed, the design requirements are completely met, the vertical strength is increased, the strength in other directions is ensured, the stress condition under the complex working condition is met, and meanwhile, the larger arc transition is adopted at the processing transition part, so that the stress concentration is avoided, the fatigue resistance of the part is improved, the development trend of automobile weight reduction is adapted, and the automobile weight reduction requirement is met.

Drawings

The utility model is further described with reference to the following description of the drawings.

FIG. 1 is a schematic view of a front view of a spare tire carrier for a truck according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a spare tire carrier for a truck according to the present utility model;

fig. 3 is a schematic perspective view of a spare tire carrier for a truck according to the present utility model.

Reference numerals illustrate: 1. a main board body; 11. an upper cross plate; 12. a left riser; 13. a lower cross plate; 14. a right riser; 2. a left connecting plate; 3. a right connecting plate; 4. a mounting hole; 5. and a connection hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, a spare tire bracket for a truck comprises a main board body 1, a left connecting board 2 and a right connecting board 3, wherein the main board body 1 is of a C-shaped structure, the left connecting board 2 and the right connecting board 3 are symmetrically connected to the bottom along the length direction, the cross sections of the left connecting board 2 and the right connecting board 3 are L-shaped, the lengths of the left connecting board 2 and the right connecting board 3 are smaller than the length of the main board body 1, the two side edges of the left connecting board 2 and the right connecting board 3 are in circular arc transition with the main board body 1 with the radius of R1 and R2 in sequence, the main board body 1, the left connecting board 2 and the right connecting board 3 are all made of aluminum alloy,

the cross section shape of the spare tire bracket for the truck not only increases the strength in the vertical direction, but also ensures the strength in other directions, and meets the stress condition under the complex working condition.

Specifically, the main board body 1 includes upper diaphragm 11, left side riser 12, lower diaphragm 13 and right side riser 14 that connect gradually, and the face of upper diaphragm 11 and lower diaphragm 13 is parallel with the horizontal plane, and the face of left side riser 12 is connected perpendicularly with the face of upper diaphragm 11 and lower diaphragm 13 respectively, and the face of right side riser 14 is connected perpendicularly with the face of lower diaphragm 13, and left connecting plate 2 and right connecting plate 3 are connected in the bottom both sides of lower diaphragm 13 respectively. Wherein the length of the upper cross plate 11 is smaller than the length of the lower cross plate 13, and the length of the upper cross plate 11 is greater than half the length of the lower cross plate 13, and the length of the right side riser 14 is smaller than the length of the left side riser 12, and the length of the right side riser 14 is smaller than half the length of the left side riser 12. At this time, as shown in fig. 2, the left connecting plate 2, the lower cross plate 13, and the right connecting plate 3 also constitute a C-shaped structure with the opening facing downward.

In this embodiment, as shown in fig. 3, the middle part of the left vertical plate 12 is symmetrically provided with mounting holes 4 for mounting a spare tire hoisting device, and two ends of the lower transverse plate 13 are provided with connecting holes 5 for connecting with an automobile girder.

Meanwhile, the radius R1 of the arc transition between the two sides of the left connecting plate 2 and the right connecting plate 3 and the main plate body 1 is smaller than the radius R2, wherein R1 and R2 can be selected according to the condition of the vehicle body, and the stress concentration is avoided and the fatigue resistance of the part is improved by adopting larger arc transition at the processing transition part. Moreover, the inner wall of the joint of the upper transverse plate 11 and the left vertical plate 12, the inner wall of the joint of the left vertical plate 12 and the lower transverse plate 13 and the inner wall of the joint of the lower transverse plate 13 and the right vertical plate 14 are all in arc transition, and the inner wall of the joint of the left connecting plate 2 and the lower transverse plate 13 and the inner wall of the joint of the right connecting plate 3 and the lower transverse plate 13 are all in arc transition.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A spare tire bracket for a truck, characterized in that: including the mainboard body, left connecting plate and right connecting plate, the mainboard body is C shape structure and bottom along length direction symmetry be connected with left connecting plate with right connecting plate, left side connecting plate with the cross section of right connecting plate is the L shape, left side connecting plate with the length of right connecting plate is less than the length of the mainboard body, left side connecting plate with right connecting plate both sides limit with adopt the radius to be R1 and R2's circular arc transition in proper order between the mainboard body, the mainboard body left side connecting plate with the material of right connecting plate is the aluminum alloy.

2. A spare tire carrier for trucks as defined in claim 1 wherein: the mainboard body is including last diaphragm, left side riser, lower diaphragm and the right side riser that connect gradually, go up the diaphragm with the face of diaphragm is parallel with the horizontal plane down, the face of left side riser respectively with go up the diaphragm with the face of diaphragm is perpendicular down and be connected, the face of right side riser with the face of diaphragm is perpendicular down and be connected, left connecting plate with right connecting plate connects respectively the bottom both sides of diaphragm down.

3. A spare tire carrier for trucks as defined in claim 2 wherein: the length of the upper transverse plate is smaller than that of the lower transverse plate.

4. A spare tire carrier for trucks as defined in claim 2 wherein: the length of the right riser is less than the length of the left riser.

5. A spare tire carrier for trucks as defined in claim 2 wherein: and connecting holes for connecting with the girder are formed at two ends of the lower transverse plate.

6. A spare tire carrier for trucks as defined in claim 2 wherein: and the middle part of the left vertical plate is symmetrically provided with mounting holes for mounting the spare tire hoisting device.

7. A spare tire carrier for trucks as defined in any one of claims 1-6 wherein: radius R1 is smaller than radius R2.