WO2021232816A1 - 可调主簧角度的悬置调校件结构 - Google Patents

可调主簧角度的悬置调校件结构 Download PDF

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Publication number
WO2021232816A1
WO2021232816A1 PCT/CN2020/141361 CN2020141361W WO2021232816A1 WO 2021232816 A1 WO2021232816 A1 WO 2021232816A1 CN 2020141361 W CN2020141361 W CN 2020141361W WO 2021232816 A1 WO2021232816 A1 WO 2021232816A1
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Prior art keywords
main spring
suspension
interference fit
connector
tube
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PCT/CN2020/141361
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English (en)
French (fr)
Inventor
袁亮
崔有刚
李锋
李益
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中国第一汽车股份有限公司
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Publication of WO2021232816A1 publication Critical patent/WO2021232816A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
    • F16F3/08—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber
    • F16F3/087—Units comprising several springs made of plastics or the like material
    • F16F3/0873—Units comprising several springs made of plastics or the like material of the same material or the material not being specified
    • F16F3/0876—Units comprising several springs made of plastics or the like material of the same material or the material not being specified and of the same shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/12—Arrangement of engine supports
    • B60K5/1283—Adjustable supports, e.g. the mounting or the characteristics being adjustable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
    • F16F1/3842—Method of assembly, production or treatment; Mounting thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2226/00—Manufacturing; Treatments
    • F16F2226/04—Assembly or fixing methods; methods to form or fashion parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2228/00—Functional characteristics, e.g. variability, frequency-dependence
    • F16F2228/06—Stiffness
    • F16F2228/066—Variable stiffness

Definitions

  • the invention relates to a suspension adjustment component structure capable of adjusting the angle of a main spring, and belongs to the technical field of vehicle suspension adjustment.
  • Bushing type suspension is a common suspension structure.
  • the suspension stiffness performance can only be changed by adjusting the rubber hardness, but the stiffness ratio in the three directions is basically impossible
  • the only way to change is to reopen the vulcanization mold and change the angle and structure of the main spring.
  • Suspension NVH adjustment is an important part of the pre-suspension development. Due to the need for multiple rounds of parts, replacement parts and re-testing, the general cycle is longer and the cost is higher.
  • Prior art 1 discloses a modular hydraulic suspension structure, which includes an assembly bracket and a main spring.
  • the main spring includes a vulcanized main spring and a runner assembly.
  • the vulcanized main spring is provided with mounting holes.
  • the runner assembly includes an upper runner cover, The decoupling membrane, the lower runner cover, the lower diaphragm and the lower diaphragm fixing member, the assembly bracket and the main spring are detachably installed, and the traditional upper and lower assembly bracket and the main spring are independent of each other, and the two are detachable Assembling, a wider range of adaptation of the main spring to the upper and lower assembly brackets can be realized, and the upper and lower assembly brackets can be modified more adaptively.
  • the modular hydraulic suspension structure is mainly embodied in the mass production suspension, which is a summary of the fixed production process, and cannot be used for suspension test pieces in the debugging stage.
  • the prior art 2 discloses a suspension stiffness adjustment structure and a hydraulic suspension, which correspond to the arrangement of one of the upper liquid chamber and the lower liquid chamber separated by a flow channel plate, and the flow channel plate is provided with a connecting upper liquid chamber and The flow channel of the lower liquid chamber is provided with a decoupling membrane in the flow channel, and the suspension rigidity adjustment structure includes a through hole which penetrates the flow channel plate to form a communication between the upper liquid chamber and the lower liquid chamber , Located on one side of the flow channel plate to form an upper liquid chamber or a lower liquid chamber with the flow channel plate, and a cover on the other side of the cup relative to the flow channel plate, and a cover located on the cover There is a vacuum chamber inside and a vacuum adjusting mechanism connected with the plugging part of the cup.
  • the suspension stiffness adjustment structure can make the suspension have different stiffness and damping characteristics when the vehicle is idling or high-speed, and can meet the NVH characteristics of the vehicle at idle and high-speed conditions, but it is mainly reflected in the mass-produced suspension It cannot be used for the suspension test piece in the debugging stage, and the same suspension can only reflect two performance characteristics.
  • the prior art 3 discloses a suspension device with adjustable main spring installation angle, which includes an outer tube, a suspension main spring and a suspension frame.
  • the suspension frame is provided with an outer tube installation hole, and the suspension device also includes an outer tube.
  • a pipe nut, the outer pipe is provided with an external thread corresponding to the outer pipe nut, and the outer pipe is installed on the suspension frame through the outer pipe nut.
  • This device fixes the outer tube on the suspension frame by the outer tube nut. In this way, when the installation angle of the suspension main spring needs to be adjusted, the connection between the outer tube and the outer tube nut can be loosened, and the installation of the suspension main spring can be adjusted. Angle, without the need to re-produce samples, which can shorten the NVH debugging cycle of the suspension system.
  • the suspension device with adjustable main spring installation angle is different in the way of realizing the proportional adjustment of the stiffness direction by adjusting the angle between the entire bushing and the outer tube.
  • the main spring can only be rotated as a whole, which is between the vulcanized part and the suspension frame. Relative rotation, the adjustment angle is limited and the universal type is not strong.
  • the present invention provides a suspension adjuster structure with adjustable main spring angle.
  • the vulcanized part of the suspension assembly is broken up and disassembled into a pair of main springs assembled with the inner and outer connecting parts.
  • the structure can realize the angle adjustment between the two main springs.
  • the stiffness ratio can be adjusted quickly, which greatly saves the time of NVH adjustment.
  • the separation of the main spring and the suspension body also reduces the specifications of the vulcanization mold, which is convenient for manufacturing and short delivery time.
  • a suspension adjuster structure with adjustable main spring angle which is composed of a pair of main spring 1, an inner tube 2 and an outer tube 3. An interference fit with the inner ring of the suspension main spring, and an interference fit with the outer tube 3 and the outer ring of the suspension main spring.
  • the inner tube 2 and the outer tube 3 are manufactured by machining using cast metal materials.
  • the main spring 1 is composed of an outer connector 11, an inner connector 12, and a rubber main spring 13.
  • the inner connector 12 is located inside the rubber main spring 13, and the outer connector 11 is located outside the rubber main spring 13.
  • the outer connector 11, the inner connector 12, and the main rubber spring 13 are vulcanized into one body.
  • the pair of main springs 1 are in interference fit with each other through the inner connector 12, and are in interference fit with the outer tube 3 through the outer connector 11, and the inner tube 2 is inserted into the inner connector 12 and is in interference fit. , The outer tube 3 is pressed into various suspension outer frames.
  • outer connector 11 and the inner connector 12 are of nylon plastic structure.
  • the present invention provides a suspension adjusting member structure with adjustable main spring angle.
  • the vulcanized part of the suspension assembly is broken up and disassembled into a structure in which a pair of main springs are assembled with inner and outer connecting parts.
  • the stiffness ratio can be adjusted quickly, which greatly saves the time of NVH adjustment.
  • the separation of the main spring and the suspension body also reduces the specifications of the vulcanization mold, which is convenient for manufacturing and short delivery time.
  • the invention saves time and cost through assembly and modular design.
  • a batch of main spring structures with different stiffness and different structures can be vulcanized in advance.
  • the inner and outer connectors in the main spring are common, and the inner tube and outer tube are common, so you can Significantly shorten the adjustment time of the parts.
  • a series of main springs produced can be used repeatedly, and adjusted for different vehicle types, as long as the bushing type suspension is adopted, the structure of the present invention can be applied, and the adjustment cost can be reduced.
  • Fig. 1 is a schematic diagram of the structure exploded structure of a suspension adjuster with adjustable main spring angle according to the present invention
  • Figure 2 is a schematic diagram of the exploded structure of the main spring
  • Figure 3 is a side sectional view of the outer tube
  • Figure 4 is a schematic diagram of the assembly structure of the pair of main springs
  • Fig. 5 is a schematic diagram of the structure assembly of a suspension adjuster with adjustable main spring angle according to the present invention.
  • a suspension adjuster structure with adjustable main spring angle is mainly composed of three parts, namely a pair of rubber main spring 1, inner tube 2 and outer tube 3, a pair of rubber
  • the main spring 1 is assembled into the suspension main spring by plugging, the inner tube 2 is in interference fit with the inner ring of the suspension main spring, and the outer tube 3 is in interference fit with the outer ring of the suspension main spring; the outer tube 3 is pressed into the outer suspension Within the skeleton.
  • a pair of rubber main spring 1, inner tube 2 and outer tube 3 are assembled together by inserting interference fit to ensure the structural stability during the suspension adjustment process, without the need to maintain the structural stability for a long time.
  • the inner tube 2 and the outer tube 3 are machined and manufactured by using cast metal materials.
  • a pair of rubber main springs 1 are vulcanized separately, but are not vulcanized into one part.
  • the main spring 1 is composed of an external connector 11, an internal connector 12, and a rubber main spring 13.
  • the internal connector 12 is located inside the rubber main spring 13, the external connector 12 is located outside the rubber main spring 13, and the external connector 11, The inner connector 12 and the main rubber spring 13 are vulcanized into one body.
  • a pair of main springs 1 are in interference fit with each other through the inner connector 12, and are in interference fit with the outer tube 3 through the outer connector 11, the inner tube 2 is inserted into the inner connector 12 and interference fit, and the outer tube 3 is pressed Into various suspension outer frameworks, the assembly of the suspension adjusting component structure of the present invention and the suspension outer framework is completed.
  • the angle of the suspension main spring needs to be adjusted, only a pair of main springs 1 need to be disassembled and assembled according to the required angle to achieve rapid adjustment of the stiffness ratio.
  • the outer connector 11 and the inner connector 12 are of nylon plastic structure.
  • the pair of main springs 1 can be relatively rotated to achieve the effect of adjusting the stiffness ratio.
  • the working principle of the present invention is:
  • a pair of main springs 1 are in interference fit with each other through the inner connector 12, and are in interference fit with the outer tube 3 through the outer connector 11; the inner tube 2 is inserted into the inner connector 12 and interference fit; the outer tube 3 is pressed Into various suspension outer frameworks, the assembly of the suspension adjusting component structure of the present invention and the suspension outer framework is completed.
  • the pair of main springs 1 can be relatively rotated to achieve the effect of adjusting the stiffness ratio.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Manufacturing & Machinery (AREA)
  • Vehicle Body Suspensions (AREA)
  • Springs (AREA)

Abstract

一种可调主簧角度的悬置调校件结构，由一对主簧（1）、内管（2）以及外管（3）组成，一对主簧（1）通过插接方式组装成悬置主簧，内管（2）与悬置主簧内环过盈配合，外管（3）与悬置主簧外环过盈配合；主簧（1）由外插接件（11）、内插接件（12）、橡胶主簧（13）组成，内插接件（12）位于橡胶主簧（13）内侧，一对主簧（1）通过内插接件（12）相互过盈配合，并通过外插接件（11）与外管（3）过盈配合，内管（2）插入内插接件（12）内并过盈配合，外管（3）压入各种悬置外骨架内。

Description

可调主簧角度的悬置调校件结构 技术领域
本发明涉及一种可调主簧角度的悬置调校件结构，属于车辆悬置调校技术领域。
背景技术
衬套类悬置是悬置的常见结构，在悬置调校阶段，一旦试制硫化模具锁定，悬置刚度性能的改变只能通过调节橡胶硬度实现，但三个方向刚度比例关系则基本不可能改变，只能采取重开硫化模具，改变主簧角度和结构。
悬置NVH调校是悬置前期开发的重要环节，由于需要多轮制件、换件再测试，一般周期较长，成本较高。
现有技术1公开了一种模块化液压悬置结构，包括组装支架和主簧，主簧包括硫化主簧和流道组件，硫化主簧设有安装孔，流道组件包括上流道盖板、解耦膜、下流道盖板、下膜片和下膜片固定件，所述组装支架与主簧可分离的安装，将传统的上下组装支架与主簧彼此独立，两者以可分离的方式装配，可以实现主簧对上下组装支架更广的适应范围，上下组装支架可以进行更多的适应性修改。但该模块化液压悬置结构的技术方案核心是在主簧一定的前提下，通过组装支架和主簧匹配，实现模块化设计要求。该模块化液压悬置结构主要体现在量产悬置，是对固定的生产工艺的整理总结，并不能用于调试阶段的悬置试验件。
现有技术2公开了一种悬置刚度调节结构和液压悬置，对应于由流道板所分隔的上液室与下液室之一布置，于流道板上设有连通上液室和下液室的流道， 并于流道内设有解耦膜，且该悬置刚度调节结构包括贯穿设置于流道板上，以构成上液室和下液室之间的连通的通孔，位于流道板的一侧，以与流道板围构形成上液室或下液室的皮碗，以及相对于流道板，位于皮碗的另一侧的封盖，和位于封盖内并具有真空腔，且与皮碗的封堵部连接的真空调节机构。该悬置刚度调节结构可在整车怠速或高速行驶时，使得悬置具有不同的刚度特性及阻尼特性，能够满足整车怠速及高速工况下的NVH特性，但其主要体现在量产悬置，并不能用于调试阶段的悬置试验件，且同一悬置只能体现两种性能特性。
现有技术3公开了一种主簧安装角度可调节的悬置装置，包括外管、悬置主簧和悬置骨架，悬置骨架上设有一外管安装孔，悬置装置还包括一外管螺母，外管上对应所述外管螺母设有外螺纹，外管通过外管螺母安装于所述悬置骨架上。本装置通过外管螺母将外管固定于悬置骨架上，如此，可以在需要调整悬置主簧的安装角度时松开外管与外管螺母之间的连接，调整悬置主簧的安装角度，而无需重新制作样件，进而可缩短悬置系统NVH调试周期。但该主簧安装角度可调节的悬置装置是通过调节衬套整体与外管的角度实现刚度方向比例调节的方式不同，只能把主簧整体旋转，是硫化件与悬置骨架之间的相对转动，调整角度有限且通用型不强。
发明内容
为了解决现有技术存在的上述问题，本发明提供一种可调主簧角度的悬置调校件结构，把悬置总成硫化件打散，拆解成一对主簧与内外连接件组装的结构，可以实现两个主簧之间的角度调节，通过调节装配方式，快速实现刚度比例调节，大大节省了NVH调校的制件时间。主簧与悬置主体的拆分，也缩小了硫化模具的规格，制造方便，出件时间短。
本发明的目的是通过以下技术方案实现的，结合附图：
一种可调主簧角度的悬置调校件结构，由一对主簧1、内管2以及外管3组成，一对主簧1通过插接方式组装成悬置主簧，内管2与悬置主簧内环过盈配合，外管3与悬置主簧外环过盈配合。
进一步地，所述内管2和外管3采用铸造金属材料机加制作。
进一步地，所述主簧1由外插接件11、内插接件12、橡胶主簧13组成，内插接件12位于橡胶主簧13内侧，外插接件11位于橡胶主簧13外侧，外插接件11、内插接件12、橡胶主簧13硫化成一体。
进一步地，所述一对主簧1通过内插接件12相互过盈配合，并通过外插接件11与外管3过盈配合，内管2插入内插接件12内并过盈配合，外管3压入各种悬置外骨架内。
进一步地，所述外插接件11及内插接件12为尼龙塑料结构。
本发明具有以下有益效果：
本发明提供一种可调主簧角度的悬置调校件结构，把悬置总成硫化件打散，拆解成一对主簧与内外连接件组装的结构，可以实现两个主簧之间的角度调节，通过调节装配方式，快速实现刚度比例调节，大大节省了NVH调校的制件时间。
主簧与悬置主体的拆分，也缩小了硫化模具的规格，制造方便，出件时间短。
本发明通过组装及模块化的设计，节省了时间和成本。在NVH调校前期，可事先硫化一批刚度不同，结构不同的主簧结构，而主簧中的内插接件和外插接件是通用的，内管和外管是通用的，因此可以大大缩短调校中制件时间。另外，制作的一系列主簧可以反复利用，不同的车型调校，只要采用衬套类悬置，均可应用本发明结构，降低调校成本。
附图说明
图1为本发明一种可调主簧角度的悬置调校件结构分解结构示意图；
图2为所述主簧分解结构示意图；
图3为所述外管侧面剖切图；
图4为所述一对主簧装配结构示意图；
图5为本发明一种可调主簧角度的悬置调校件结构装配示意图。
图中：
1-主簧；2-内管；3-外管；11-外插接件；12-内插接件；13-橡胶主簧。
具体实施方式
如图1至图5所示，一种可调主簧角度的悬置调校件结构，主要由三部分组成，分别是一对橡胶主簧1、内管2以及外管3，一对橡胶主簧1通过插接方式组装成悬置主簧，内管2与悬置主簧内环过盈配合，外管3与悬置主簧外环过盈配合；外管3压入悬置外骨架内。
一对橡胶主簧1、内管2以及外管3通过插接过盈配合组装在一起，保证在悬置调校过程中结构的稳定，而无需长时间的保持结构稳定。
内管2和外管3采用铸造金属材料机加制作。
一对橡胶主簧1各自硫化，而没有硫化成一个部件。
主簧1由外插接件11、内插接件12、橡胶主簧13组成，内插接件12位于橡胶主簧13内侧，外接插件12位于橡胶主簧13外侧，外插接件11、内插接件12、橡胶主簧13硫化成一体。
一对主簧1通过内插接件12相互过盈配合，并通过外插接件11与外管3过盈配合，内管2插入内插接件12内并过盈配合，外管3压入各种悬置外骨架内，完成本发明悬置调校件结构与悬置外骨架的装配。当需要调整悬置主簧角度时，只需拆解一对主簧1，并按所需角度装配即可，就可实现刚度比例的快速调节。
外插接件11及内插接件12为尼龙塑料结构。
悬置主簧与内外连接结构装配后，一对主簧1能够相对转动以达到调节刚度比例的作用。
本发明的工作原理为：
一对主簧1通过内插接件12相互过盈配合，并通过外插接件11与外管3过盈配合；内管2插入内插接件12内并过盈配合；外管3压入各种悬置外骨架内，完成本发明悬置调校件结构与悬置外骨架的装配。
悬置主簧与内外连接结构装配后，一对主簧1能够相对转动以达到调节刚度比例的作用。
当需要调整悬置主簧角度时，只需拆解一对主簧1，并按所需角度装配即可，就可实现刚度比例的快速调节。
本发明的优点是：
通过组装及模块化的设计，节省了时间和成本。在NVH调校前期，可事先硫化一批刚度不同，结构不同的主簧结构，而主簧1中的内插接件12和外插接件11是通用的，内管2外管3是通用的，因此可以大大缩短调校中制件时间。另外，制作的一系列主簧可以反复利用，不同的车型调校，只要采用衬套类悬置，均可应用本发明结构，降低调校成本。

Claims (5)

  1. 一种可调主簧角度的悬置调校件结构，其特征在于，由一对主簧(1)、内管(2)以及外管(3)组成，一对橡胶主簧(1)通过插接方式组装成悬置主簧，内管(2)与悬置主簧内环过盈配合，外管(3)与悬置主簧外环过盈配合。
  2. 如权利要求1所述的一种可调主簧角度的悬置调校件结构，其特征在于，所述内管(2)和外管(3)采用铸造金属材料机加制作。
  3. 如权利要求1所述的一种可调主簧角度的悬置调校件结构，其特征在于，所述主簧(1)由外插接件(11)、内插接件(12)、橡胶主簧(13)组成，内插接件(12)位于橡胶主簧(13)内侧，外插接件(11)位于橡胶主簧(13)外侧，外插接件(11)、内插接件(12)、橡胶主簧(13)硫化成一体。
  4. 如权利要求3所述的一种可调主簧角度的悬置调校件结构，其特征在于，所述一对主簧(1)通过内插接件(12)相互过盈配合，并通过外插接件(11)与外管(3)过盈配合，内管(2)插入内插接件(12)内并过盈配合，外管(3)压入各种悬置外骨架内。
  5. 如权利要求3所述的一种可调主簧角度的悬置调校件结构，其特征在于，所述外插接件(11)及内插接件(12)为尼龙塑料结构。
PCT/CN2020/141361 2020-05-21 2020-12-30 可调主簧角度的悬置调校件结构 WO2021232816A1 (zh)

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