CN201042951Y

CN201042951Y - Car body cavity vibration isolator equipped at upper part and outside of CD pole of three-compartment vehicle

Info

Publication number: CN201042951Y
Application number: CNU2007200681944U
Authority: CN
Inventors: 林键铭; 陈文辉; 林伟清; 姚文华; 徐俊
Original assignee: SHANGHAI ZIYUAN AUTOMOBILE COMPONENTS AND PARTS CO Ltd
Current assignee: SHANGHAI ZIYUAN AUTOMOBILE COMPONENTS AND PARTS CO Ltd
Priority date: 2007-03-26
Filing date: 2007-03-26
Publication date: 2008-04-02
Anticipated expiration: 2017-03-26

Abstract

A car-body cavity vibration-isolating pad equipped outside the upper part of the right-CD column of a three-compartment car comprises a thermostable trapezoid skeleton and a foaming body connected with the skeleton and foaming to expand after being heated, a connector for being connected and fixed with the corresponding components in the car body is provided on the one side of the trapezoid skeleton, and the foaming body closes the periphery of the trapezoid skeleton and has the foaming-expanded thickness that can fulfill the gap between the vibration-isolating pad and the car-body board. The utility model is preset in the car-body cavity at the outside of the upper part of the right-CD column, and after expanding by foaming, the utility model can be closely integrated by adhering with the car-body board there, effectively blocking the cavity channel there and achieving the goal of further improving and enhancing vibration insulation, voice insulation, vibration reduction and noise reduction in the car cabin.

Description

Be arranged on the car body cavity vibration isolating pad of the right CD post of three-box car upper outside

Technical field

The utility model relates to a kind of auto parts and components, relates in particular to a kind of car body cavity vibration isolating pad that is arranged on the right CD post of three-box car upper outside.

Background technology

Along with developing of automobile industry, people are more and more higher to the requirement of " safety, traveling comfort, the feature of environmental protection " of car, and the standard-required to " sound insulation, vibration isolation, anticorrosion, noise control " in the car passenger cabin also constantly promotes.The AE personnel have located to do the technology upgrading of sound insulation vibration isolation to ride-control, sound-heat insulated cushion, car internal sound insulation, vibration isolation carpet, vehicle body sticking glass, car roof etc. in car at present, make vibration and noise in the car passenger cabin obtain the actv. improvement.But the cavity passage in the body structure also can produce the noise with transmitting vibrations, and this technical matters is not well solved all the time.

The manufacturing process of vehicle body is, earlier with sheet metal by the die stamping moulding after, form by Automobile Plate metal seam such as inner panel, brace panel and outside plates.Therefore generally in the middle of inner panel and brace panel and outside plate, be bound to form necessary gap and space, be included in zones such as body platform beam, A, B, C, D column, rear wheel cover, ceiling, upper/lower terminal dash shield, ceiling, fender upper end, back and four door-plates and all can form cavity.Particularly Reinforcement A, B, C, D column and two bottom sides longeron have all formed the column structure spare of hollow.The hollow structure of these column pieces and longeron has guaranteed the intensity and the rigidity of body structure effectively, so the cavity state in the body structure is must have.But the cavity of this body structure has also formed the specific channel that transmits ambient noise and vibration.The metal sheet of the ceiling of vehicle body, the isometric form of longeron can form sound because of distortion, the vibration of structure when crossing the road ditch; In the high vehicle speeds motion, can form the sympathetic response sound to vehicle body because of extraneous blast, windage again; The pavement of road sandstone also can on the go to the vehicle body sound that impacts; The resonance frequency that produces in the motion can form the vibration and the sound to vehicle-body outer panel.These noises and vibration all can be transmitted in the cavity between the inside and outside plate of vehicle body fast, thereby noise and transfer of vibration are arrived in the passenger cabin of car, influence driver and conductor's traveling comfort.

Summary of the invention

The purpose of this utility model is exactly in order to solve the problem that above-mentioned prior art exists, to seal the car body cavity vibration isolating pad that is arranged on the right CD post of three-box car upper outside that bodywork cavity can improve interior vibration of car passenger cabin and noise effectively thereby provide a kind of.

In order to achieve the above object, the utility model has adopted following technical scheme: a kind of car body cavity vibration isolating pad that is arranged on the right CD post of three-box car upper outside, described vibration isolating pad is plate shape on the whole, it have the aspect similar to the cross section of the bodywork cavity of the right CD post of three-box car upper outside and and the peripheral car body panel of respective cross-section between leave the gap, foaming body that can foaming and intumescing after vibration isolating pad comprises heat-resisting trapezoidal skeleton and is connected on the skeleton heating, a side of trapezoidal skeleton be provided be used for vehicle body in the connecting element that is connected and fixed of corresponding component, described foaming body is enclosed in the periphery of trapezoidal skeleton and has at the thickness that fills up the gap between vibration isolating pad and the car body panel behind the foaming and intumescing.

Described connecting element is the buckle-type connecting element, is connected with a U-lag on the trapezoidal skeleton of connecting element one side, is embedded with foaming body in the groove, is connected with the fin that is used for being connected with the corresponding component in the vehicle body location on the trapezoidal skeleton of connecting element opposite side.

The described foaming body that is enclosed in the periphery of plate shape skeleton also stretches out to be useful on and contacts the outstanding structure that links to each other with car body panel, and is provided with a post that stretches out to the side.

In in conjunction with the Automobile manufacturing technological process, rationally reach desirable task program, car body cavity vibration isolating pad of the present utility model is arranged in the bodywork cavity of the right CD post of three-box car upper outside, by the time body in white through pickling, neutralization, purifying, phosphatization, enters in the stoving of the paint stove behind first road paint again and toasts.In stove behind 160～190 ℃ of high temperature and certain hour, foaming body is finished the foaming bonding, the car body panel of vibration isolating pad and right CD post upper outside closely is bonded to one, can intercept the cavity passage at this place effectively, reach totally-enclosed, thereby the vibration source and the noise that import into through bodywork cavity in the original left back longeron are intercepted, reach the purpose of further improving the interior vibration isolation of car passenger cabin, sound insulation, vibration damping, noise reduction.Simultaneously, after car body cavity vibration isolating pad foamed in bodywork cavity and bonds, the intensity of also further having reinforced vehicle body had all played optimization function to body structure and vehicle body crash-protective characteristics, makes the traveling comfort of car and safety obtain important lifting.

Description of drawings

Fig. 1 is that the utility model is seen perspective view in the past from a front;

Fig. 2 is that the utility model is seen perspective view in the past from another front;

Fig. 3 is that the utility model is seen perspective view in the past from a side.

The specific embodiment

Referring to Fig. 1, cooperation is referring to Fig. 2, Fig. 3, the utility model is arranged on the car body cavity vibration isolating pad of the right CD post of three-box car upper outside, be used for being preset in the bodywork cavity of the right CD post of three-box car upper outside at the manufacturing process of vehicle body, be plate shape on the whole, comprise trapezoidal skeleton 1 and foaming body 2, integral body has the similar aspect in cross section to the bodywork cavity of the right CD post of three-box car upper outside, and leaves gap for the foaming body foaming and intumescing with the peripheral car body panel of respective cross-section.Trapezoidal skeleton 1 is made by heat-resisting high-intensity nylon 6-6, can foaming and intumescing after foaming body 2 heating fills up the gap between vibration isolating pad and the car body panel.

A side of the trapezoidal skeleton 1 in the utility model be provided be used for vehicle body in the connecting element 3 that is connected and fixed of corresponding component, connecting element 3 can adopt buckle-type connecting element as shown in this embodiment, also can adopt the connecting element of other type.On the trapezoidal skeleton 1 of connecting element 3 one sides, be connected with a U-lag 4, be embedded with foaming body 21 in the groove, on the trapezoidal skeleton of connecting element opposite side, be connected with the fin 5 that is used for being connected the location with the corresponding component in the vehicle body.

Foaming body 2 in the utility model is enclosed in the periphery of trapezoidal skeleton and has at the thickness that fills up the gap between vibration isolating pad and the car body panel behind the foaming and intumescing.This foaming body 2 also stretches out to be useful on and contacts the

outstanding structure

22,23 that links to each other with car body panel, and is provided with a post 24 that stretches out to the side.

The car body cavity vibration isolating pad that the utility model is arranged on the right CD post of three-box car upper outside is provided with in pairs.

Claims

1. car body cavity vibration isolating pad that is arranged on the right CD post of three-box car upper outside, it is characterized in that: described vibration isolating pad is plate shape on the whole, it have the aspect similar to the cross section of the bodywork cavity of the right CD post of three-box car upper outside and and the peripheral car body panel of respective cross-section between leave the gap, foaming body that can foaming and intumescing after vibration isolating pad comprises heat-resisting trapezoidal skeleton and is connected on the skeleton heating, a side of trapezoidal skeleton be provided be used for vehicle body in the connecting element that is connected and fixed of corresponding component, described foaming body is enclosed in the periphery of trapezoidal skeleton and has at the thickness that fills up the gap between vibration isolating pad and the car body panel behind the foaming and intumescing.

2. the car body cavity vibration isolating pad that is arranged on the right CD post of three-box car upper outside according to claim 1, it is characterized in that: described connecting element is the buckle-type connecting element, on the trapezoidal skeleton of connecting element one side, be connected with a U-lag, be embedded with foaming body in the groove, on the trapezoidal skeleton of connecting element opposite side, be connected with the fin that is used for being connected the location with the corresponding component in the vehicle body.

3. the car body cavity vibration isolating pad that is arranged on the right CD post of three-box car upper outside according to claim 1, it is characterized in that: the described foaming body that is enclosed in the periphery of plate shape skeleton also stretches out to be useful on and contacts the outstanding structure that links to each other with car body panel, and is provided with a post that stretches out to the side.