CN210793345U

CN210793345U - Bushing pipe of auxiliary frame

Info

Publication number: CN210793345U
Application number: CN201920941825.1U
Authority: CN
Inventors: 连昊
Original assignee: Liuzhou Wuling Automobile Industry Co Ltd; Guangxi Automobile Group Co Ltd
Current assignee: Liuzhou Wuling Automobile Industry Co Ltd; Liuzhou Wuling Motors Co Ltd; Guangxi Automobile Group Co Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-06-19
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses a bushing pipe of an auxiliary frame, which comprises a cylinder, wherein the cylinder wall of the cylinder is provided with a notch, and the notch penetrates from the upper end surface of the cylinder wall to the lower end surface of the cylinder wall; an adjustment assembly is included for adjusting the width of the gap to change the diameter of the cylinder. The bushing pipe enables the diameter of the cylinder to be adjustable by arranging the notch and the adjusting component. The diameter of the cylinder is adjusted to be large, so that the pressure required for dismounting the lining can be reduced, the lining can be replaced on the whole vehicle instead of a special press-fitting device, the debugging period can be shortened, and the debugging cost can be reduced. By reducing the diameter of the cylinder, the inner circumferential surface of the cylinder can be tightly matched with the outer circumferential surface of the bushing, so that the bushing is stably installed in the bushing pipe.

Description

Bushing pipe of auxiliary frame

Technical Field

The utility model relates to a sub vehicle frame technical field especially relates to a bushing pipe of sub vehicle frame.

Background

The bushing of the subframe is an elastic element for connecting the subframe and the vehicle body, is arranged in a bushing pipe of the subframe, and plays roles of transmitting and absorbing suspension and powertrain suspension loads, reducing road excitation and transmission of engine vibration to the vehicle body, providing additional noise isolation at the lower part of the vehicle body and the like.

In the early development stage of the whole vehicle, NVH and vehicle dynamics debugging of the whole vehicle is needed, and in the debugging process, different bushings need to be replaced, so that the bushings need to be frequently disassembled and assembled.

The bushing of the conventional auxiliary frame is of a complete cylindrical structure, and the installation and the disassembly of the bushing are required to be carried out on special press-fitting equipment, so that the bushing cannot be directly replaced on the whole vehicle. Therefore, when the bushing is replaced, the auxiliary frame needs to be detached firstly, the bushing is replaced on the press-fitting equipment, and then the auxiliary frame is assembled back to the whole vehicle, so that the debugging cost is high, and the debugging period is long.

In view of this, how to simplify the assembly and disassembly of the bushing to shorten the debugging period and reduce the debugging cost is a technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a bushing for an auxiliary frame, which comprises a cylinder, wherein the cylinder wall of the cylinder is provided with a notch, and the notch penetrates from the upper end surface of the cylinder wall to the lower end surface of the cylinder wall; an adjustment assembly is included for adjusting the width of the gap to change the diameter of the cylinder.

The utility model provides a bushing pipe makes the diameter of drum adjustable through setting up breach and adjusting part. The diameter of the cylinder is adjusted to be large, so that the pressure required for dismounting the lining can be reduced, the lining can be replaced on the whole vehicle instead of a special press-fitting device, the debugging period can be shortened, and the debugging cost can be reduced. By reducing the diameter of the cylinder, the inner circumferential surface of the cylinder can be tightly matched with the outer circumferential surface of the bushing, so that the bushing is stably installed in the bushing pipe.

As described above, the two side walls of the notch are parallel to each other.

As with the bushing described above, both sidewalls of the gap are parallel to the axis of the cylinder.

The lining sleeve is provided with a plurality of groups of adjusting assemblies, and the adjusting assemblies of each group are sequentially arranged along the axial direction of the cylinder.

The bushing pipe further comprises two brackets, the two brackets are respectively arranged on the outer peripheral surfaces of the cylinder walls on the two sides of the gap, and the adjusting component is mounted on the two brackets.

According to the bushing pipe, the adjusting component is a bolt and nut component, and the bolt penetrates through the two brackets and then is screwed on the nut.

As with the bushing described above, the axis of the bolt is perpendicular to the axis of the cylinder.

The bushing pipe as described above, the bracket includes an installation portion for installing the adjustment assembly and a fixing portion provided at one side of the installation portion, and the fixing portion is welded to an outer circumferential surface of the cylinder wall.

In the bushing, the bracket is a folded plate, the first side plate of the folded plate is the mounting portion, and the second side plate is the fixing portion.

In the bushing pipe, the first side plates of the two brackets are parallel to each other, the second side plates of the two brackets are located on different sides of the two first side plates, and the second side plates of the two brackets are tangent to the cylinder wall.

Drawings

Fig. 1 is a perspective view of a specific embodiment of a bushing according to the present invention;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a plan view of the liner tube shown in fig. 1 in an applied state.

The reference numerals in fig. 1 to 3 are explained as follows:

1 lining a sleeve;

11 cylinders, 11a notches, 11b guide surfaces;

121 bolt, 122 nut, 123 washer;

13 flaps, 131 a first side panel, 132 a second side panel;

2, lining.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following provides a detailed description of the technical solution of the present invention with reference to the accompanying drawings.

It should be noted at the outset that "first" and "second" are used in the description of the present invention for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 3, fig. 1 is a perspective view of a bushing according to an embodiment of the present invention; FIG. 2 is a top view of FIG. 1; fig. 3 is a plan view of the liner tube shown in fig. 1 in an applied state.

As shown in the figures, the bushing 1 of the present invention includes a cylinder 11, wherein the cylinder wall of the cylinder 11 is provided with a notch 11a, and the notch 11a penetrates through the upper end surface of the cylinder wall to the lower end surface of the cylinder wall.

The utility model provides a bushing pipe 1 still includes adjusting part for adjust the width of breach 11a, when breach 11a width increase, the diameter increase of drum 11, when the width of breach 11a reduces, the diameter of drum 11 reduces. It will be appreciated that the width of the notch 11a, i.e. the dimension of the notch 11a in the circumferential direction of the cylinder 11.

When the bush 2 is installed, the width of the gap 11a is adjusted to be larger by the adjusting component, so that the inner diameter of the cylinder 11 is slightly larger than the outer diameter of the bush 2, the bush 2 can be pressed into the cylinder 11 only by small pressure, after the press fitting is completed, the width of the gap 11a is adjusted to be smaller, the inner diameter of the cylinder 11 is slightly smaller than or equal to the outer diameter of the bush 2, and therefore the inner circumferential surface of the cylinder 11 is tightly matched with the outer circumferential surface of the bush 2.

When the bush 2 is removed, the width of the notch 11a is enlarged by means of the adjustment assembly so that the inner diameter of the cylinder 11 is slightly larger than the outer diameter of the bush 2, so that only a small pressure is required to press the bush 2 out of the cylinder 11.

As above, by providing the notch 11a and the adjustment assembly, the diameter of the cylinder 11 is made adjustable. By adjusting the diameter of the cylinder 11, the pressure required for disassembling and assembling the bush 2 can be reduced, so that the bush 2 can be replaced on the whole vehicle, instead of replacing the bush 2 on a special press-fitting device, thereby shortening the debugging period and reducing the debugging cost. By reducing the diameter of the cylinder 11, the inner circumferential surface of the cylinder 11 can be made to closely fit the outer circumferential surface of the liner 2, so that the liner 2 is stably mounted in the liner pipe.

Of course, in addition to the debugging process, in other processes requiring replacement of the bush 2, the replacement of the bush 2 may also be performed directly on the entire vehicle, for example, a maintenance process, and the like.

Specifically, the two side walls of the notch 11a may be parallel to each other, so that when the width of the notch 11a is sufficiently small, the two side walls may be attached together. In the embodiment shown, the two side walls of the notch 11a are parallel to the axis of the cylinder 11, which facilitates the machining. In other embodiments, the two sidewalls of the gap 11a may not be parallel to the axis of the cylinder 11.

In practice, the cylinder 11 with the notch 11a can be formed by cutting the wall of the complete cylinder 11, or can be made by rolling a plate.

In a specific implementation, the upper end of the cylinder 11 is provided with a guiding surface 11b, the guiding surface 11b is arranged around the circumference of the cylinder 11, and the lower end of the guiding surface 11b is inclined towards the inside of the cylinder 11 relative to the upper end, so that when the liner 2 is pressed from top to bottom, the liner 2 can slide into the cylinder 11 under the guiding action of the guiding surface 11 b.

Specifically, a plurality of sets of adjusting assemblies may be provided, and of course, only one set of adjusting assembly may be provided. When a plurality of sets of the adjustment assemblies are provided, the adjustment assemblies of the respective sets are arranged in order in the axial direction of the cylinder 11 so that the width of the respective positions of the notches 11a can be uniformly reduced or increased. In the illustrated embodiment, two sets of adjusting components are provided, and in practical implementation, the number of the sets of adjusting components can be flexibly set according to the length of the cylinder 11, for example, if the length of the cylinder 11 is long, the adjusting components can be provided at the upper part, the middle part and the lower part of the cylinder 11.

Specifically, the utility model provides a bushing pipe 1 still includes two supports, and the outer peripheral face of the section of thick bamboo wall of breach 11a both sides is located respectively to two supports, and adjusting part installs in two supports.

More specifically, the bracket includes an installation portion for installing the adjustment assembly and a fixing portion provided at one side of the installation portion, and the fixing portion is welded to an outer circumferential surface of the cylinder wall. The welding fixation is convenient to implement and does not damage the inner circumferential surface of the cylinder wall. Of course, the bracket and the cylinder 11 may be integrally formed or fixed together by a fastener.

In the embodiment shown, the bracket is a flap 13, the first side plate 131 of the flap 13 forms the mounting portion, and the second side plate 132 forms the fixing portion, which is convenient for implementation. In the figure, the first side plate 131 and the second side plate 132 are in smooth transition. Of course, the structure of the stent is not limited thereto.

In the illustrated embodiment, the first side plates 131 of the two brackets are parallel to each other, so that when the width of the gap 11a is small enough, the two first side plates 131 can be attached together. Moreover, the second side plates 132 of the two brackets are located on different sides of the two first side plates 131, as shown in fig. 2, one second side plate 132 is located on the left side of the two first side plates 131, and the other second side plate is located on the right side of the two first side plates. And the second side plates 132 of the two brackets are respectively tangent to the peripheral surfaces of the cylinder walls, so that the welding operation is convenient and the welding quality is guaranteed.

In the illustrated embodiment, the adjustment assembly is a bolt 121 and nut 122 assembly, and the bolt 121 is threaded through the brackets and then screwed with the nut 122. When the bush 2 is attached and detached, the diameter of the cylinder 11 can be increased by loosening the nut 122, and when the bush 2 is attached, the diameter of the cylinder 11 can be decreased by tightening the nut 122, so that the inner circumferential surface of the cylinder 11 is tightly fitted to the outer circumferential surface of the bush 2. Set up to bolt 121 nut 122 subassembly, be convenient for adjust the drum 11 diameter accurately, moreover, it is laborsaving convenient to adjust the operation.

In specific implementation, a gasket 123 may be disposed between the heads of the nut 122 and the bolt 121 and the corresponding first side plate 131 of the bracket to prevent the two from loosening.

In specific implementation, the axis of the bolt 121 may be perpendicular to the axis of the cylinder 11, so as to facilitate screwing the nut 122, and the end surface of the nut 122 and the end surface of the head of the bolt 121 may be parallel to the first side plate 131, so as to facilitate the uniform pressing of the first side plate 131 by the two.

In other embodiments, the adjusting component can also be a male and female buckle component, the male buckle and the female buckle are respectively fixed on the two supports, the female buckle is provided with a plurality of clamping grooves, the clamping grooves are sequentially arranged along the width direction of the notch 11a, the male buckle is provided with a clamping hook, and the width of the notch 11a can be changed by clamping the clamping hook in different clamping grooves.

It is right above that the utility model provides a bushing pipe of sub vehicle frame has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The bushing pipe of the auxiliary frame is characterized by comprising a cylinder (11), wherein a gap (11a) is formed in the wall of the cylinder (11), and the gap (11a) penetrates from the upper end face of the cylinder wall to the lower end face of the cylinder wall; and an adjusting assembly for adjusting the width of the gap (11a) to change the diameter of the cylinder (11).

2. The bushing of claim 1, wherein the two side walls of said gap (11a) are parallel to each other.

3. The bushing of claim 2, wherein both side walls of said gap (11a) are parallel to the axis of said cylinder (11).

4. Bushing according to claim 1, wherein a plurality of sets of said adjustment assemblies are provided, each set of said adjustment assemblies being arranged in sequence along the axial direction of said cylinder (11).

5. The bushing according to any of claims 1-4, further comprising two brackets, wherein the two brackets are respectively disposed on the outer circumferential surfaces of the cylinder walls on both sides of the gap (11a), and the adjusting assembly is mounted on the two brackets.

6. The bushing of claim 5, wherein said adjusting assembly is a bolt (121) and nut (122) assembly, and said bolt (121) is threaded through both said brackets and then threaded onto said nut (122).

7. Bushing according to claim 6, characterized in that the axis of the bolt (121) is perpendicular to the axis of the cylinder (11).

8. The bushing of claim 5 wherein said bracket includes a mounting portion for mounting said adjustment assembly and a fixing portion provided at one side of said mounting portion, said fixing portion being welded to an outer peripheral surface of said cylindrical wall.

9. A bushing according to claim 8, characterized in that the bracket is a flap (13), the first side plate (131) of which flap (13) is the mounting portion and the second side plate (132) is the fixing portion.

10. The bushing of claim 9, wherein said first side plates (131) of said two brackets are parallel to each other, said second side plates (132) of said two brackets are located on different sides of said first side plates (131), and said second side plates (132) of said two brackets are both tangential to said cylindrical wall.