CN213619672U

CN213619672U - Automobile rear protective bar and automobile

Info

Publication number: CN213619672U
Application number: CN202021935717.2U
Authority: CN
Inventors: 徐汝强; 陈天权
Original assignee: Guangdong Dongjian Automobile Technology Co Ltd
Current assignee: Guangdong Dongjian Automobile Technology Co Ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-07-06
Anticipated expiration: 2030-09-07

Abstract

The utility model relates to the field of automotive technology, a protection thick stick is with regard to car behind car is disclosed, protection thick stick is including installing protection thick stick main part, spare tyre carrier, axle sleeve and the round platform shape pivot at the car afterbody behind the car, but the pivot is askedly located the one end of protection thick stick main part, the axle sleeve is fixed the one end of spare tyre carrier, and rotationally cup joint in the pivot, the other end detachably of spare tyre carrier connect in the protection thick stick main part. The utility model discloses a set up round platform shape pivot to but with the pivot ground setting in the one end of protection thick stick main part, the one end of spare tyre rack sets up the axle sleeve simultaneously, and cup joint the axle sleeve in the pivot, thereby make the lower extreme of the other end axle sleeve of spare tyre rack when rising or decline can wind its upper end horizontal hunting, not only realized the free regulation of spare tyre rack angle, the axle sleeve atress damages when also having avoided adjusting, guaranteed the reliability of structure. Does not require vertical precision, and reduces the production requirement.

Description

Automobile rear protective bar and automobile

Technical Field

The utility model relates to the technical field of automobiles, especially, relate to a guard bar and car behind car.

Background

At present, some vehicle models are provided with spare tires on the vehicle body due to the need, the mounting modes of the spare tires are various, a cylindrical rotating shaft 200 is directly welded on a rear pump handle 100 (namely a protective bar) of the vehicle, a sleeve 300 is welded at one end of a spare tire rack 2, and then the sleeve 300 is sleeved on the cylindrical rotating shaft 200 to realize the rotation of the spare tire rack 2 (as shown in fig. 6). The method has extremely high requirement on the verticality of the rotating shaft and the pump handle, the precision in production and processing is difficult to guarantee, a large amount of manual correction, mutual matching inspection and the like are often needed, not only is the waste of resources caused, but also the product can not be installed or is difficult to install, so that the product is scrapped. On the other hand, the sleeve can realize certain angle adjustment, so that the height adjustment of the spare tire rack is realized, but the rotating shaft is cylindrical, so that the sleeve is damaged by stress during adjustment, and the structure fails.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a protection thick stick and car behind car reduces the production requirement, realizes freely adjusting of spare tyre rack angle, guarantees the reliability of structure.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a guard bar behind car, is including installing guard bar main part, spare tyre rack, axle sleeve and the round platform shape pivot at the car afterbody, the pivot can be swung and is located the one end of guard bar main part, the axle sleeve is fixed the one end of spare tyre rack, and rotationally cup joint in the pivot, the other end detachably of spare tyre rack connect in the guard bar main part.

Preferably, the guard bar main body is provided with a fixing plate corresponding to the shaft sleeve, the fixing plate is rotatably connected with a cam plate, one surface, close to the fixing plate, of the cam plate is provided with a bulge, and the upper end of the rotating shaft penetrates through the fixing plate to be connected with the cam plate.

Preferably, a plurality of accommodating holes are uniformly distributed on the fixing plate in an annular manner, and the protrusion is accommodated in one of the accommodating holes or in a region between any two of the accommodating holes.

Preferably, the upper end of the rotating shaft is provided with a shaft shoulder, the center of the cam plate is provided with a mounting hole, and the shaft shoulder is inserted into the mounting hole.

Preferably, the bolt comprises a bolt, a screw rod of the bolt sequentially penetrates through the cam plate, the fixing plate and the rotating shaft connecting nut, and a washer is arranged between the bolt head of the bolt and the cam plate.

Preferably, the included angle a between the generatrix of the rotating shaft and the axis is 2-3 degrees.

Preferably, a wear-resistant sleeve is arranged between the rotating shaft and the shaft sleeve, and the wear-resistant sleeve is formed by splicing two half sleeves.

Preferably, the spare tire carrier includes the spare tire carrier main part and sets up the mounting bracket in the spare tire carrier main part that receives, the axle sleeve sets up the one end of spare tire carrier main part.

Preferably, the fender thick stick main part is including connecting the thick stick, the both ends of connecting the thick stick are connected with the side thick stick respectively, be equipped with the mounting groove on the connecting the thick stick, the spare tyre erects in the mounting groove.

An automobile comprises an automobile rear bumper.

The embodiment of the utility model provides a guard bar and car behind car, compared with the prior art, its beneficial effect lies in: the rotary shaft is arranged in the round table shape, the rotary shaft can be arranged at one end of the protective bar main body in a swinging mode, the shaft sleeve is arranged at one end of the spare tire rack, and the shaft sleeve is sleeved on the rotary shaft, so that the lower end of the shaft sleeve can swing left and right around the upper end of the lower end of the shaft sleeve when the other end of the spare tire rack rises or falls. Meanwhile, the rotating shaft is arranged in a swinging mode and is not directly fixed on the protective bar main body, so that the vertical precision is not required, and the production requirement is reduced. The utility model discloses simple structure, excellent in use effect easily promotes the practicality.

Drawings

Fig. 1 is an exploded view of the rear bumper of the present invention.

Fig. 2 is an enlarged view of a structure in fig. 1.

Fig. 3 is a rising state diagram of the spare tire carrier of the present invention.

Fig. 4 is a diagram of the descending state of the spare tire carrier of the present invention.

Fig. 5 is a schematic structural view of the rotating shaft of the rear bumper of the present invention.

Fig. 6 is a schematic structural view of a rear bumper of the prior art.

Wherein: 1-protective bar main body, 11-connecting bar, 12-side bar, 13-mounting groove, 2-spare tire rack, 3-shaft sleeve, 4-rotating shaft, 5-fixing plate, 51-accommodating hole, 6-cam plate, 61-bulge, 7-bolt, 8-wear-resistant sleeve, 81-half sleeve, 9-nut, 100-rear pump handle, 200-cylindrical rotating shaft and 300-sleeve.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1-2, the utility model provides a protection thick stick behind car of preferred embodiment, including installing protection thick stick main part 1, spare tire rack 2, axle sleeve 3 and round platform shape pivot 4 at the car afterbody, pivot 4 can swing and locate the one end of protection thick stick main part 1, axle sleeve 3 is fixed the one end of spare tire rack 2, and rotationally cup joint in the pivot 4, the other end detachably of spare tire rack 2 connect in on the protection thick stick main part 1, adopt locking mechanism to connect during the connection, this is prior art, and here is no longer repeated.

According to the automobile rear protective bar based on the technical characteristics, the rotary shaft 4 is arranged, the rotary shaft 4 can be arranged at one end of the protective bar main body 1 in a swinging mode, the shaft sleeve 3 is arranged at one end of the spare tire rack 2, and the shaft sleeve 3 is sleeved on the rotary shaft 4, so that the lower end of the shaft sleeve 3 can swing left and right around the upper end of the lower end of the shaft sleeve 3 when the other end of the spare tire rack 2 rises or falls, and the rotary shaft 4 is in a circular table shape, and the lower end of the rotary shaft is a small-diameter end, so that acting force cannot be generated between the shaft sleeve 3 and the rotary shaft 4, free adjustment of the angle of the spare tire rack 2 is achieved, stress damage of the shaft sleeve 3 during adjustment is avoided, and the reliability of. Meanwhile, the rotating shaft 4 is arranged in a swinging mode and is not directly fixed on the protective bar main body 1, so that the vertical precision is not required, and the production requirement is reduced. The utility model discloses simple structure, excellent in use effect easily promotes the practicality.

In this embodiment, the guard bar body 1 is provided with a fixing plate 5 corresponding to the shaft sleeve 3, the fixing plate 5 is rotatably connected with a cam plate 6, a protrusion 61 is arranged on one surface of the cam plate 6 close to the fixing plate 5, and the upper end of the rotating shaft 4 penetrates through the fixing plate 5 and is connected with the cam plate 6. A plurality of accommodating holes 51 are uniformly distributed on the fixed plate 5, and the protrusion 61 is accommodated in one of the accommodating holes 51 or in a region between any two of the accommodating holes 51. When the height of one end of the spare tire carrier 2 away from the rotating shaft 4 is adjusted, the cam plate 6 is rotated so that the protrusion 61 abuts against a region of the fixing plate 5 between two adjacent receiving holes 51. Wherein the spare tire carrier 2 is raised when the protrusion 51 is located near the height-adjusted end of the spare tire carrier 2 (see fig. 3), the spare tire carrier 2 is lowered when located far from the height-adjusted end of the spare tire carrier 2 (see fig. 4), and the adjustment amplitude is different when the protrusion 61 is located at different positions. When the projection 61 is located in the accommodation hole 51, the spare tire carrier 2 is not height-adjusted.

Referring to fig. 5, in the present embodiment, a shaft shoulder is disposed at an upper end of the rotating shaft 4, a mounting hole is disposed at a center of the cam plate 6, and the shaft shoulder is inserted into the mounting hole. The included angle a between the generatrix of the rotating shaft 4 and the axis is 2-3 degrees, preferably 2.5 degrees. Meanwhile, the bolt 7 is further arranged, the bolt 7 is made of 45# steel, and the strength grade is 10.9 grade or above. The screw of the bolt 7 sequentially penetrates through the cam plate 6, the fixing plate 5 and the rotating shaft 4 to be connected with the nut 9, and when the position of the spare tire rack 2 is adjusted, the nut 9 is screwed down, so that the parts can be fixed. Meanwhile, a washer is arranged between the bolt head of the bolt 7 and the cam plate 6, and the washer is made of Q235A, so that the function of protecting the surface of a product from being damaged when the bolt 7 is screwed down is achieved.

In this embodiment, a wear-resistant sleeve 8 is arranged between the rotating shaft 4 and the shaft sleeve 3, and the wear-resistant sleeve 8 is made of tin bronze, so that the wear-resistant sleeve has good impact resistance and wear resistance. Meanwhile, in order to facilitate the installation of the wear-resistant sleeve 8, the wear-resistant sleeve 8 is formed by splicing two half sleeves 81.

In this embodiment, spare tire carrier 2 includes spare tire carrier main part and sets up the mounting bracket in the spare tire carrier main part that receives, axle sleeve 3 sets up the one end of spare tire carrier main part. The bumper body 1 comprises a connecting bar 11, two ends of the connecting bar 11 are respectively connected with a side bar 12, the side bar 12 is connected with the vehicle body, a mounting groove 13 is formed in the connecting bar 11, and the spare tire carrier 2 is arranged in the mounting groove 13.

In order to solve the technical problem, the utility model also provides an automobile, its protection thick stick behind the automobile that provides in including this embodiment.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a guard bar behind car which characterized in that: including installing protection thick stick main part, spare tyre rack, axle sleeve and the round platform shape pivot at the car afterbody, the pivot can be swung and located the one end of protection thick stick main part, the axle sleeve is fixed the one end of spare tyre rack, and rotationally cup joint in the pivot, the other end detachably of spare tyre rack connect in the protection thick stick main part.

2. The rear bumper of claim 1, wherein: the protective bar is characterized in that a fixing plate is arranged on the protective bar body corresponding to the shaft sleeve, a cam plate is connected to the fixing plate in a rotating mode, a bulge is arranged on one surface, close to the fixing plate, of the cam plate, and the upper end of the rotating shaft penetrates through the fixing plate to be connected with the cam plate.

3. The rear bumper of claim 2, wherein: a plurality of accommodating holes are uniformly distributed in the fixed plate in an annular mode, and the protrusions are accommodated in one of the accommodating holes or in an area between any two of the accommodating holes.

4. The rear bumper of claim 2, wherein: the upper end of the rotating shaft is provided with a shaft shoulder, the center of the cam plate is provided with a mounting hole, and the shaft shoulder is inserted in the mounting hole.

5. The rear bumper of claim 2, wherein: the bolt comprises a bolt, wherein a screw rod of the bolt sequentially penetrates through the cam plate, the fixing plate and the rotating shaft connecting nut, and a gasket is arranged between the bolt head of the bolt and the cam plate.

6. The automobile rear bumper according to any one of claims 1 to 5, characterized in that: and an included angle a between a bus of the rotating shaft and the axis is 2-3 degrees.

7. The automobile rear bumper according to any one of claims 1 to 5, characterized in that: the rotating shaft and the shaft sleeve are provided with a wear-resistant sleeve, and the wear-resistant sleeve is formed by splicing two half sleeves.

8. The automobile rear bumper according to any one of claims 1 to 5, characterized in that: the spare tire rack comprises a spare tire rack main body and a mounting rack arranged on the spare tire rack main body, and the shaft sleeve is arranged at one end of the spare tire rack main body.

9. The automobile rear bumper according to any one of claims 1 to 5, characterized in that: the protection thick stick main part is including connecting the thick stick, the both ends of connecting the thick stick are connected with the side thick stick respectively, be equipped with the mounting groove on the connecting the thick stick, the spare tyre erects in the mounting groove.

10. An automobile, characterized in that: comprising a rear bumper according to any one of claims 1 to 9 for a vehicle.