CN208576420U - The novel lower tie-rod of big load is resisted in small space - Google Patents

Abstract

The utility model discloses a kind of novel lower tie-rod that big load is resisted in small space, including the first, second damping means, bracket and skeleton, and one end of skeleton and one end of bracket are affixed, and the other end of skeleton is C-shaped, affixed above and below the first and second damping means；First and second damping means include cylindrical outer skeleton, inner core and vibration isolation rubber, outer skeleton is connected with inner core by vibration isolation rubber, inner core and outer skeleton form the vulcanization skeleton of vibration isolation rubber together, the side top towards skeleton c-type of first damping means opens up the first U-type groove, the side lower part towards skeleton c-type of second damping means opens up the second U-type groove, the c-type restocking of skeleton is mutually fixed with the inner core of the first damping means, c-type restocking is located at the surface of the first U-type groove, c-type undercarriage and the inner core of the second damping means are mutually fixed, c-type undercarriage is located at the underface of the second U-type groove.The Anti-torque pull rod for meeting large torque large impact operating condition is designed in realization in smaller space.

Description

The novel lower tie-rod of big load is resisted in small space

Technical field

The utility model belongs to three pendulum-type suspension system field, resists big load in small space more particularly to one kind The novel lower tie-rod of lotus.

Background technique

In three pendulum-type suspension system, lower tie-rod is unique and is important antitorque component.Not with vehicle power Disconnected to be promoted, turbine increases and the application of direct injection technology becomes industry normality, this will lead to engine torque and increased dramatically, and mix simultaneously The application of dynamic technology, causes power assembly size to increase severely.For preferred arrangement space, install the subframe trend of tie-rod to flat pair Vehicle frame development, these factors cause the load of lower tie-rod increased dramatically, are simutaneously arranged space and become smaller compared with face arch subframe.This will New challenge is brought to the structure design of lower tie-rod.It needs to design the part for meeting big load in limited small space.This It requires in a limited space, lower tie-rod configuration is innovated to meet the durable and performance requirement of vehicle.

The design of existing lower tie-rod is lower tie-rod integrally to be filled in subframe is U-shaped to open shelves mostly, and bolt passes through on subframe Welded nut by lower tie-rod be fixed to subframe.When vehicle accelerates or brakes, the skeleton of lower tie-rod is in vehicle X to fortune Dynamic, X, in ± 20mm or so, needs biggish X to space to motion range.Meanwhile lower tie-rod accelerates or makes in vehicle There can be the swing around vehicle Y-direction when dynamic, in ± 30mm or so, this requires the Z-directions of skeleton need to be how pre- for the movement of Z-direction after swing Stay the space of ± 30mm.That is traditional design is big to the X of lower tie-rod, Z-direction space requirement, empties in large scale power assembly cloth instantly Between on, which is difficult to meet, while can also be small because of space, and Element Design is weak and leads to the vehicles such as resonance and noise NVH problem.

Utility model content

The utility model is in view of the problems of the existing technology and insufficient, provides and a kind of resists big load in small space Novel lower tie-rod, by the design innovation of lower tie-rod configuration, realization is designed in smaller space meets large torque large impact The Anti-torque pull rod of operating condition, and the structure it is more conventional lower tie-rod design mode it is more excellent, improve the comfort and driving of vehicle.

The utility model is to solve above-mentioned technical problem by following technical proposals:

The utility model provides a kind of novel lower tie-rod that big load is resisted in small space, it is characterized in that comprising First damping means, the second damping means, bracket and skeleton, one end of the skeleton is fixedly connected with one end of bracket, described The other end of skeleton is C-shaped, first damping means and the second damping means are setting up and down and Joint；

First damping means and the second damping means include cylindrical outer skeleton, inner core and vibration isolation rubber, institute It states outer skeleton and is connected with inner core by vibration isolation rubber, the inner core and outer skeleton form the vulcanization skeleton of vibration isolation rubber together, The side top towards skeleton c-type of first damping means offers the first U-type groove, the direction of second damping means The side lower part of skeleton c-type offers the second U-type groove, and the c-type restocking of the skeleton is mutually fixed with the inner core of the first damping means, And the c-type restocking is located at the surface of the first U-type groove, the c-type undercarriage of the skeleton and the inner core of the second damping means are mutually solid It is fixed, and the c-type undercarriage is located at the underface of the second U-type groove.

Preferably, the other end of the bracket connects dynamical element.

Preferably, first damping means and the second damping means are pressed directly into subframe.

On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get the utility model respectively compared with Good example.

The positive effect of the utility model is:

The utility model can realize the target call for meeting large torque large impact in a limited space, and intensity and mode It is more excellent, the comfort and driving of vehicle can be promoted.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the novel lower tie-rod of the utility model preferred embodiment.

Fig. 2 is the perspective view of the novel lower tie-rod of the utility model preferred embodiment.

Fig. 3 is the structural schematic diagram of the novel lower tie-rod of the utility model preferred embodiment.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, those of ordinary skill in the art's every other embodiment obtained without making creative work, all belongs to In the range of the utility model protection.

The novel lower tie-rod of big load is resisted as shown in Figure 1-3, the present embodiment provides a kind of in small space comprising the One damping means 1, the second damping means 2, bracket 3 and skeleton 4, one end of the skeleton 4 are fixedly connected with one end of bracket 3, The other end of the bracket 3 connects power assembly, first damping means 1 and the second damping means 2 are setting up and down and Xiang Gu It connects, the other end of the skeleton 4 is C-shaped, and the c-type restocking 41 of the skeleton 4 is fixedly connected with the first damping means 1, the bone The c-type undercarriage 42 of frame 4 is fixedly connected with the second damping means 2, and first damping means 1 and the second damping means 2 are directly pressed Enter in subframe.

Specifically, first damping means 1 and the second damping means 2 include cylindrical outer skeleton 8,9 and of inner core Vibration isolation rubber 10, the outer skeleton 8 and inner core 9 are connected by vibration isolation rubber 10, and the inner core 9 and outer skeleton 8 form together The vulcanization skeleton of vibration isolation rubber 10.

The side top towards skeleton c-type of first damping means 1 offers the first U-type groove 5, second vibration damping The side lower part towards skeleton c-type of component 2 offers the second U-type groove 6, and the c-type restocking 41 is interior with the first damping means 1 Core is fixed by 7 phase of bolt, and the c-type restocking 41 is located at the surface of the first U-type groove 5, and the c-type undercarriage 42 subtracts with second The inner core of vibration component 2 is mutually fixed, and the c-type undercarriage 42 is located at the underface of the second U-type groove 6.

First U-type groove 5 and the second U-type groove 6 are that skeleton 4 reserves swing space, and this design can greatly reduce opening for skeleton 4 Stall space, and the space of vibration isolation rubber will not be reduced, can in a limited space in meet the big load large impact target of vehicle.

The utility model solves current line, and generally existing technical problem-power assembly size is increasing in the industry, mixes dynamic The application of technology causes gearbox size to increase severely, and the arrangement space of lower tie-rod is smaller and smaller.And the output torque of power assembly with Turbocharging, direct injection technology using increasing.This requires in limited or even smaller space, designing can be resisted The lower tie-rod of large torque large impact.The utility model is exactly to be made by opening small U-type groove structure on two outer skeletons of lower tie-rod Skeleton drives inner core to swing, and moving component is inner core rather than outer skeleton, realizes the hunting range part of skeleton in lower tie-rod sheet In body structure, Z-direction design space can be greatlyd save.Because swinging inner core rather than outer skeleton, vehicle X is to the nothing other than insert diameter Need extra space.The U-shaped structure opened simultaneously will not influence the size of the main spring of lower tie-rod, and lower tie-rod damping means are directly pressed Enter subframe, intensity is big, and mode is excellent.The target call for meeting large torque large impact in a limited space can be achieved in the design, And intensity and mode are more excellent, can promote the comfort and driving of vehicle.

Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that These are merely examples, and the protection scope of the utility model is defined by the appended claims.Those skilled in the art Member can make numerous variations or be repaired to these embodiments under the premise of without departing substantially from the principles of the present invention and essence Change, but these change and modification each fall within the protection scope of the utility model.

Claims (3)

1. a kind of novel lower tie-rod for resisting big load in small space, which is characterized in that it includes the first damping means, second Damping means, bracket and skeleton, one end of the skeleton are fixedly connected with one end of bracket, and the other end of the skeleton is C-shaped, First damping means and the second damping means are setting up and down and Joint；

First damping means and the second damping means include outer skeleton, inner core and the vibration isolation rubber of cylinder, described outer Skeleton is connected with inner core by vibration isolation rubber, and the inner core and outer skeleton form the vulcanization skeleton of vibration isolation rubber together, described The side top towards skeleton c-type of first damping means offers the first U-type groove, second damping means towards skeleton The side lower part of c-type offers the second U-type groove, and the c-type restocking of the skeleton is mutually fixed with the inner core of the first damping means, and institute The surface that c-type restocking is located at the first U-type groove is stated, the c-type undercarriage of the skeleton is mutually fixed with the inner core of the second damping means, and The c-type undercarriage is located at the underface of the second U-type groove.

2. the novel lower tie-rod of big load is resisted in small space as described in claim 1, which is characterized in that the bracket The other end connects dynamical element.

3. the novel lower tie-rod of big load is resisted in small space as described in claim 1, which is characterized in that described first subtracts Vibration component and the second damping means are pressed directly into subframe.