CN206352632U - A kind of rotatable bushing of shock absorber - Google Patents

A kind of rotatable bushing of shock absorber Download PDF

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Publication number
CN206352632U
CN206352632U CN201621280291.5U CN201621280291U CN206352632U CN 206352632 U CN206352632 U CN 206352632U CN 201621280291 U CN201621280291 U CN 201621280291U CN 206352632 U CN206352632 U CN 206352632U
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CN
China
Prior art keywords
steel pipe
bushing
shock absorber
piston rod
rubber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201621280291.5U
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Chinese (zh)
Inventor
李龙
李立云
田丽雯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Tiande Suspension Systems Co Ltd
Original Assignee
Tianjin Tiande Suspension Systems Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201621280291.5U priority Critical patent/CN206352632U/en
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Publication of CN206352632U publication Critical patent/CN206352632U/en
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Abstract

A kind of rotatable bushing of shock absorber, is related to a kind of shock absorber of heavy truck manufacture field.The rubber being externally provided with including steel pipe and steel pipe, is provided with inside plastic bushing, described plastic bushing with two annular protrusions, steel pipe outside is provided with the annular groove matched therewith between rubber and steel pipe.Its advantage is:The moment of torsion of piston rod is reduced, protects piston rod not to be destroyed, so as to improve the security of heavy truck.

Description

A kind of rotatable bushing of shock absorber
Technical field
The utility model is related to a kind of shock absorber of heavy truck manufacture field.
Background technology
With increasing rapidly for China's economy, the development of highway transport industry is more and more faster.Heavy truck is highway transportation One of important way, because its hauled weight is larger, vehicle center of gravity is higher, and larger side force is produced when jolting road conditions, Fractureing for piston rod may be caused, traffic accident is caused.Therefore, heavy truck how is improved in the security of road conditions of jolting, and is One of important directions of current heavy truck research.Plain bushing bushing is made up of steel pipe and rubber, when heavy truck is larger When road conditions of jolting are travelled, truck produces larger side force so that piston rod is by larger torsion because load-carrying is big, center of gravity is high Square, when moment of torsion exceedes the beaming resistance limit of piston rod, rod fracture, defective shock absorber.
The content of the invention
The purpose of this utility model is the rotatable bushing for carrying a kind of shock absorber, and it is larger that the bushing bears moment of torsion in piston rod When can carry out the rotation of certain angle, so as to reduce the moment of torsion of piston rod, protect piston rod not to be destroyed, so as to improve heavy card The security of car.
To reach above-mentioned purpose, the technical solution of the utility model is:
A kind of rotatable bushing of shock absorber, including the rubber that steel pipe and steel pipe are externally provided with, are provided between rubber and steel pipe With two annular protrusions inside plastic bushing, described plastic bushing, the annular groove matched therewith is provided with the outside of steel pipe.
The beneficial effects of the utility model are:The moment of torsion of piston rod is reduced, protects piston rod not to be destroyed, so as to improve weight The security of type truck.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
In figure:1. steel pipe;2. plastic bushing;3. rubber;4. it is raised.
Embodiment
Referring to accompanying drawing 1, the utility model is made up of including the bushing steel pipe 1, plastic bushing 2 and rubber 3.This bushing is general A plastic bushing 2 is with the addition of on the basis of logical bushing, the inside of plastic bushing 2 is opened with two annular protrusions 4, the outside of steel pipe 1 There is the annular groove matched therewith.Such a structure is when piston rod bears high torque, and bushing can carry out a certain degree of rotation Turn, so that the moment of torsion that piston rod is born reduces, protect piston rod not to be damaged, so as to improve the security of heavy truck.
It should be noted that embodiment described in the utility model is only to realize preferred embodiment of the present utility model, To belonging to the utility model general idea, and it is only obvious change, protection domain of the present utility model all should be belonged to Within.

Claims (1)

1. a kind of rotatable bushing of shock absorber, it is characterized in that:The rubber being externally provided with including steel pipe and steel pipe, rubber and steel pipe it Between be provided with inside plastic bushing, described plastic bushing with two annular protrusions, is provided with the annular matched therewith on the outside of steel pipe Groove.
CN201621280291.5U 2016-11-25 2016-11-25 A kind of rotatable bushing of shock absorber Active CN206352632U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621280291.5U CN206352632U (en) 2016-11-25 2016-11-25 A kind of rotatable bushing of shock absorber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621280291.5U CN206352632U (en) 2016-11-25 2016-11-25 A kind of rotatable bushing of shock absorber

Publications (1)

Publication Number Publication Date
CN206352632U true CN206352632U (en) 2017-07-25

Family

ID=59346202

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621280291.5U Active CN206352632U (en) 2016-11-25 2016-11-25 A kind of rotatable bushing of shock absorber

Country Status (1)

Country Link
CN (1) CN206352632U (en)

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