CN-224210895-U - Suspension pull rod and vehicle

CN224210895UCN 224210895 UCN224210895 UCN 224210895UCN-224210895-U

Abstract

The invention relates to a suspension pull rod and a vehicle, wherein the suspension pull rod comprises a bracket, a main spring frame, a connecting piece and a connecting piece, wherein the bracket is used for being connected with a power assembly, the main spring frame comprises a vibration isolation piece and a first framework which are connected, and a limiting elastic piece penetrating through the first framework, the first framework is used for being connected with the vehicle body, the connecting piece sequentially penetrates through the vibration isolation piece, the limiting elastic piece and the bracket, two ends of the connecting piece are respectively fixedly connected with the vibration isolation piece and the bracket, the limiting elastic piece is movably arranged on the connecting piece, and the ends of the limiting elastic piece are respectively positioned at two sides of the first framework in the X direction and can be contacted with the bracket or the vibration isolation piece so as to provide rigidity for the vehicle in the X direction. The vibration isolation piece with the vibration isolation function and the limiting elastic piece for providing rigidity for the vehicle are independently arranged, so that vibration isolation under small displacement and durability under a large load working condition can be considered, multiple complex working condition conditions can be adapted, later independent maintenance and replacement can be facilitated, and the durability of the suspension pull rod is improved.

Inventors

QIAN XUEPENG
SUN HONGFEI
WANG YUE
YANG MAN
ZHAO FEI
Wei Boxiong
WU ZHOU
YU YONGQIAN
GUO JIANWEI

Assignees

北汽福田汽车股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250523

Claims (10)

1. A suspension tension rod, comprising: The bracket is used for being connected with the power assembly; The main spring frame comprises a vibration isolation piece, a first framework, a limiting elastic piece and a second framework, wherein the vibration isolation piece and the first framework are connected, the limiting elastic piece is arranged in the first framework in a penetrating mode, the first framework is used for being connected with a vehicle body, and The connecting piece sequentially passes through the vibration isolation piece, the limiting elastic piece and the bracket, two ends of the connecting piece are respectively and fixedly connected with the vibration isolation piece and the bracket, the limiting elastic piece is movably arranged on the connecting piece, The ends of the limiting elastic pieces are respectively located at two sides of the first framework in the X direction and can be in contact with the support or the vibration isolation piece so as to provide rigidity for the vehicle in the X direction.
2. The suspension link according to claim 1, wherein the first frame has first mounting holes to be connected to the vehicle body, the first mounting holes being two and located on both sides of the limit elastic member in the Y direction, respectively, and an axial direction of the first mounting holes being the X direction.
3. The suspension tension rod according to claim 2, wherein the main spring frame further comprises a first spacer block disposed within the first mounting hole and in a shape fit with the first mounting hole, The first cushion block is provided with a first limiting table and a second limiting table at two ends of the X direction respectively, and at least one of the first limiting table and the second limiting table is provided with a limiting plane for limiting the first cushion block in the circumferential direction of the first mounting hole.
4. The suspension pull rod of claim 1, wherein the vibration isolation member comprises a second frame and a vibration isolation elastic member, and the vibration isolation elastic member and the limit elastic member are both made of rubber materials, and the vibration isolation elastic member comprises: A first connecting section adhered to one side of the second frame near the first frame, the first connecting section being provided with a through hole for the connecting piece to pass through, and And one end of each vibration reduction section is connected with the first connecting section, and the other end of each vibration reduction section is adhered to the first framework.
5. The suspension tie rod of claim 4, wherein the dynamic-static ratio of the vibration isolation elastic member is lower than the dynamic-static ratio of the limit elastic member, and the wear coefficient of the limit elastic member is higher than the wear coefficient of the vibration isolation elastic member.
6. The suspension drawbar of claim 4, wherein the first backbone and the second backbone are each a grid structure having a plurality of hollowed-out areas.
7. The suspension drawbar according to claim 4, wherein the limit spring comprises: the acceleration limiting section is adhered to one side, close to the second framework, of the first framework, is arranged opposite to the first connecting section and is used for contacting with the first connecting section when a vehicle accelerates; a deceleration limiting section adhered to one side of the first framework close to the bracket and arranged opposite to the bracket for contacting with the bracket when the vehicle decelerates, and The second connecting section is arranged in the first framework in a penetrating way, and two ends of the second connecting section are respectively connected with the acceleration limiting section and the deceleration limiting section.
8. The suspension pull rod of claim 1, wherein the connector comprises: The mounting tube sequentially passes through the vibration isolation piece and the limiting elastic piece, and two ends of the mounting tube can be respectively clamped with the bracket and the vibration isolation piece, and The rod part of the bolt can penetrate through the mounting pipe to be connected with the bracket, and the mounting pipe can be limited between the bracket and the head part of the bolt.
9. The suspension pull rod of claim 8, wherein the bracket is provided with a first boss thereon, and the mounting tube comprises: A second cushion block clamped in the vibration isolation piece, wherein one end of the second cushion block, which is close to the bracket, protrudes out of the surface of the vibration isolation piece to form a second boss, and The connecting pipe sequentially passes through the vibration isolation piece and the limiting elastic piece, and two ends of the connecting pipe are respectively provided with a groove, and the two grooves can be respectively clamped with the first boss and the second boss and are used for limiting the connecting pipe in the circumferential direction of the connecting pipe.
10. A vehicle comprising a powertrain, a body, and the suspension strut of any one of claims 1-9, the suspension strut being coupled to the body and the powertrain, respectively.

Description

Suspension pull rod and vehicle Technical Field The present disclosure relates to the field of vehicle parts, in particular to a suspension tie rod and a vehicle. Background In the related art, the suspension pull rod needs to effectively isolate high-frequency small-amplitude vibration transmitted by an engine or a chassis in the small displacement movement process of the vehicle, so that the comfort is improved. And in heavy load conditions when the vehicle is accelerating, braking or is impacted, it is desirable to be able to withstand the relatively large static and dynamic loads. The existing suspension pull rod is generally composed of a metal frame, an inner core and rubber connected between the metal frame and the inner core, and the inner rubber is generally vulcanized integrally and fixed between the metal frame and the inner core, so that the whole material is consistent, but the requirements of vibration isolation and durability are contradictory to the performance requirements of the material, and the existing suspension pull rod cannot achieve the vibration isolation effect under small displacement and the durability under a large-load working condition. Disclosure of utility model The purpose of this disclosure is to provide a suspension pull rod and vehicle to solve current suspension pull rod and can't compromise vibration isolation under the low displacement and durable problem under the heavy load operating mode. To achieve the above object, the present disclosure provides a suspension tie rod comprising: The bracket is used for being connected with the power assembly; The main spring frame comprises a vibration isolation piece, a first framework, a limiting elastic piece and a second framework, wherein the vibration isolation piece and the first framework are connected, the limiting elastic piece is arranged in the first framework in a penetrating mode, the first framework is used for being connected with a vehicle body, and The connecting piece sequentially passes through the vibration isolation piece, the limiting elastic piece and the bracket, two ends of the connecting piece are respectively and fixedly connected with the vibration isolation piece and the bracket, the limiting elastic piece is movably arranged on the connecting piece, The ends of the limiting elastic pieces are respectively located at two sides of the first framework in the X direction and can be in contact with the support or the vibration isolation piece so as to provide rigidity for the vehicle in the X direction. Optionally, the first skeleton has first mounting hole in order to connect to the automobile body, first mounting hole is two and is located respectively in the Y direction spacing elastic component both sides, the axial of first mounting hole is the X direction. Optionally, the main spring frame further comprises a first cushion block which is arranged in the first mounting hole and is matched with the shape of the first mounting hole, The first cushion block is provided with a first limiting table and a second limiting table at two ends of the X direction respectively, and at least one of the first limiting table and the second limiting table is provided with a limiting plane for limiting the first cushion block in the circumferential direction of the first mounting hole. Optionally, the vibration isolation piece includes second skeleton and vibration isolation elastic component, just vibration isolation elastic component with spacing elastic component is the rubber material, vibration isolation elastic component includes: A first connecting section adhered to one side of the second frame near the first frame, the first connecting section being provided with a through hole for the connecting piece to pass through, and And one end of each vibration reduction section is connected with the first connecting section, and the other end of each vibration reduction section is adhered to the first framework. Optionally, the dynamic-static ratio of the vibration isolation elastic piece is lower than that of the limiting elastic piece, and the wear-resisting coefficient of the limiting elastic piece is higher than that of the vibration isolation elastic piece. Optionally, the first skeleton and the second skeleton are both grid-type structures with a plurality of hollow areas. Optionally, the limiting elastic member includes: the acceleration limiting section is adhered to one side, close to the second framework, of the first framework, is arranged opposite to the first connecting section and is used for contacting with the first connecting section when a vehicle accelerates; a deceleration limiting section adhered to one side of the first framework close to the bracket and arranged opposite to the bracket for contacting with the bracket when the vehicle decelerates, and The second connecting section is arranged in the first framework in a penetrating way, and two ends of the second connecting section are respect