WO2016041494A1 - 一种新型阻尼结构及其构造方法 - Google Patents

一种新型阻尼结构及其构造方法 Download PDF

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Publication number
WO2016041494A1
WO2016041494A1 PCT/CN2015/089717 CN2015089717W WO2016041494A1 WO 2016041494 A1 WO2016041494 A1 WO 2016041494A1 CN 2015089717 W CN2015089717 W CN 2015089717W WO 2016041494 A1 WO2016041494 A1 WO 2016041494A1
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WO
WIPO (PCT)
Prior art keywords
sleeve
damping structure
shaped portion
friction plate
friction
Prior art date
Application number
PCT/CN2015/089717
Other languages
English (en)
French (fr)
Inventor
姜勇
吕继超
王万里
邹海峰
Original Assignee
延锋汽车饰件系统有限公司
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.)
Filing date
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Application filed by 延锋汽车饰件系统有限公司 filed Critical 延锋汽车饰件系统有限公司
Priority to EP15842222.0A priority Critical patent/EP3228900A4/en
Publication of WO2016041494A1 publication Critical patent/WO2016041494A1/zh
Priority to US15/657,376 priority patent/US20170320443A1/en
Priority to US16/273,809 priority patent/US10801239B2/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R7/00Stowing or holding appliances inside vehicle primarily intended for personal property smaller than suit-cases, e.g. travelling articles, or maps
    • B60R7/04Stowing or holding appliances inside vehicle primarily intended for personal property smaller than suit-cases, e.g. travelling articles, or maps in driver or passenger space, e.g. using racks
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/129Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon characterised by friction-damping means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00Vibration-dampers; Shock-absorbers
    • F16F7/02Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together
    • F16F7/023Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together and characterised by damping force adjustment means
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00Additional features or accessories of hinges
    • E05D11/08Friction devices between relatively-movable hinge parts
    • E05D11/082Friction devices between relatively-movable hinge parts with substantially radial friction, e.g. cylindrical friction surfaces
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00Hinges with pins
    • E05D3/02Hinges with pins with one pin
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00Vibration-dampers; Shock-absorbers
    • F16F7/02Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together
    • F16F7/06Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together in a direction perpendicular or inclined to the axis of rotation
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00Construction of single parts, e.g. the parts for attachment
    • E05D5/02Parts for attachment, e.g. flaps
    • E05D5/06Bent flaps
    • E05D5/062Bent flaps specially adapted for vehicles
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/20Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/21Brakes
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/50Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53Type of wing
    • E05Y2900/538Interior lids

Definitions

  • the present invention relates to a damping structure, and more particularly to a novel damping structure and a method of constructing the same.
  • a damping structure is disclosed in the patent JP 200923575, which comprises, in order from the inside to the outside, a clamping member made of spring steel, a plastic friction plate and a rotating shaft.
  • the clamping member and the friction plate are fixed by screws and the clamping force is adjusted, and a frictional force is generated between the rotating shaft and the plastic friction plate.
  • a damping structure is also disclosed in the patent CN 201320296282.5, which comprises, in order from the inside to the outside, a metal hoop made of stainless steel or manganese metal, a plastic friction sleeve and a rotating shaft.
  • the ferrule is mounted to the fixture by bolts and nuts and the clamping force is adjusted.
  • the shaft has a waist-shaped cross section and matches the flat hole in the friction sleeve. Friction is generated between the friction sleeve and the ferrule.
  • the metal clamping members functioning in the damping structure are mostly made of steel or manganese materials, they are formed by casting, stamping, bending, etc., but are formed in this way.
  • the clamping member has the following defects: 1) Although the thickness of the clamping member can be ensured, the precision of the process is low, and the tolerance is about ⁇ 1 mm or more. If the matching precision of the clamping member is to be ensured, two Secondary processing, which leads to increased cost and complicated process; 2) Traditional casting, stamping and bending of metal parts can not eliminate stress, so the clamping part has internal plastic deformation and stress, requiring bolts and nuts to overcome internal plastic deformation After the stress, the clamping force can be adjusted.
  • the squeezing stress is unstable, so the bolt and nut adjust the clamping force to be unstable. 3)
  • the rebound tolerance of the clamping parts obtained by pressing and bending can only be controlled to ⁇ 0.5mm, and the stamping forming clamping part is thin on the one hand, and is easily deformed when squeezed, and is bent back by itself.
  • the instability of the spring force, the tightening torque of the bolt and the nut cannot be stabilized; on the other hand, the thickness is uniform and cannot be locally thickened to increase the strength and stability, so that the hovering at any angle cannot be stably achieved in practical applications.
  • the object of the present invention is to provide a novel damping structure and a construction method thereof, thereby solving the defect that the damping structure in the prior art cannot stably achieve hovering at any angle.
  • a novel damping structure comprising: an axially extending bushing, and a friction plate and a ferrule sequentially sleeved on the outside of the bushing, the friction plate including a first part mating with the bushing a C-shaped portion and a first extension extending parallel to each other from both edges of the first C-shaped portion, the metal hoop being an aluminum alloy or a copper alloy extrusion, including the first portion of the friction plate a second C-shaped portion that is engaged with a C-shaped portion and a second extending portion that extends from the two edges of the second C-shaped portion in parallel with each other, and a pressing force between the ferrule and the friction plate is disposed through
  • the fasteners of the first extension portion and the second extension portion are adjusted to indirectly adjust the friction between the friction plate and the sleeve, and the friction sleeve is formed between the sleeve and the friction plate.
  • the friction plate is made of polyoxymethylene plastic.
  • the sleeve is made of a stainless steel material.
  • the surface of the sleeve is a chrome plating layer.
  • a portion of the sleeve projecting from the friction plate and the ferrule has a waist-shaped cross section for mating connection with a rotating member to which the damper structure is to be mounted.
  • the sleeve is a hollow structure, and the damping structure further includes a shaft pin extending through the sleeve.
  • the fastener includes a bolt and a locknut for use in conjunction.
  • a gap of 0.04-0.06 mm is reserved between the shaft pin and the sleeve to prevent abnormal noise between the shaft pin and the sleeve.
  • the first extension portion and the second extension portion further have a fitting hole therethrough, which is connected to the element to be mounted by the conventional fixing means such as a screw; or more preferably The first extension portion and the second extension portion do not have fitting holes, and the first extension portion and the second extension portion are directly inserted into the member to which the damping structure is to be mounted.
  • the present invention also provides a construction method of a novel damping structure, comprising: providing an axially extending sleeve; providing a friction plate sleeved outside the sleeve, the friction plate including a first engagement with the sleeve a C-shaped portion and a first extending portion extending from the two edges of the first C-shaped portion in parallel with each other; and a metal hoop provided on the outside of the friction plate by extrusion molding using an aluminum alloy or a copper alloy
  • the ferrule includes a second C-shaped portion that cooperates with the first C-shaped portion of the friction lining and a second extending portion that extends parallel to each other from both edges of the second C-shaped portion; The fasteners of the first extending portion and the second extending portion adjust a pressing force between the ferrule and the associated friction plate, thereby adjusting a frictional force between the friction plate and the sleeve, the sleeve and the friction A friction surface is formed between the sheets.
  • the ferrule is provided by extrusion molding using an aluminum alloy or a copper alloy.
  • the metal hoop is an aluminum alloy or copper alloy extrusion.
  • extrusion molding is a method in which a thermoplastic polymer such as PS ⁇ PMMA ⁇ PC is stirred and mixed by an extruder screw and then molded by a die by an extruder.
  • the formed mold is simpler and has a single forming section, which can improve the dimensional accuracy of the extruded part and reduce the scrap rate.
  • the melting point of the aluminum alloy or copper alloy is low, which can meet the extrusion process requirements.
  • the invention creatively forms the metal hoop by an extrusion process using an aluminum alloy or a copper alloy, which not only retains the high stability and high precision of the extrusion process, but also has an accuracy of 0.05 mm.
  • the friction lining is ensured to be in uniform contact with the sleeve, and the frictional force can be generated when the sleeve and the friction lining are rubbed.
  • the high hardness and low density of the aluminum alloy or the copper alloy are retained to make the metal hoop lighter.
  • the metal hoop is formed by the extrusion process, and the plastic deformation stress inside the metal hoop is released, thereby avoiding the influence of the plastic deformation stress on the adjusting pressing force of the fastener, thereby ensuring that the bolt and the nut can stably adjust the pressure. Tight force. Truly achieving hovering at any angle provides a damping structure that is significantly superior to the prior art.
  • the bushing plays a role of friction with the friction plate in the damping structure, and its two ends need to be fixed on other components, and the other components drive friction with the friction plate, so the strength of the bushing is required to be high and not easy to be deformed.
  • the present invention creatively manufactures a bushing from a stainless steel material, and preferably has a chrome-plated surface to increase the surface finish and wear resistance, further ensuring uniform friction of the damper structure during use.
  • Figure 1a is a schematic view of the application field of the damping structure of the present invention.
  • Figure 1b is a partial cross-sectional view of the application field according to Figure 1a;
  • Figure 3 is an exploded exploded view of the embodiment of Figure 2;
  • Figure 4 is a schematic structural view of the combination of the damping structure shown in Figure 1 mounted on a plastic hinge;
  • Figure 5 is a schematic view showing the structure of the combination as shown in Figure 2 attached to the arm frame.
  • a novel damper structure according to a preferred embodiment of the present invention includes a sleeve 1, a friction lining 2 and a ferrule 3 which are sequentially engaged from the inside to the outside.
  • the portion of the sleeve 1 that projects from both ends of the friction lining 2 and the ferrule 3 also has a waist-shaped cross section for facilitating connection with other components through the sleeve without relative rotation.
  • the bushing 1 is of a hollow structure with an internally mountable pin for easy attachment to the component to be mounted by the axle pin.
  • the friction plate 2 includes a first C-shaped portion 2a that engages with the boss and a first extension 2b that extends parallel to each other from both edges of the first C-shaped portion 2a.
  • the ferrule 3 includes a second C-shaped portion 3a that mates with the first C-shaped portion 2a of the friction lining 2, and a second extending portion 3b that extends parallel to each other from both edges of the second C-shaped portion 3a.
  • first and second extensions 2b, 3b are clamped by the bolt 4 and the locknut 5 for adjusting the clamping force between the ferrule and the friction plate, thereby indirectly adjusting the friction plate 2 and the sleeve 1
  • the friction between them ensures a stable clamping force and ensures no looseness after repeated use.
  • the first and second extensions 2b, 3b further have mounting holes 7 for facilitating the connection of the damping structure to the
  • bolts and nuts may be used, or screws may be used.
  • the sleeve 1 is made of stainless steel material to ensure a high degree of smoothness of the surface of the sleeve, and further preferably, the surface thereof is a chrome plating layer.
  • the friction plate 2 is made of polyacetal plastic.
  • the metal hoop 3 is an aluminum alloy or copper alloy extrusion, which is formed by an aluminum alloy or a copper alloy by an extrusion process, which can ensure high precision and stability, and can be stably deformed under pressure, and eliminate internal plastic deformation stress. Ensure that the bolts and nuts adjust the compression force to be stable.
  • the first and second extensions 2b, 3b do not have mounting holes, and the first and second extensions 2b, 3b are directly inserted into the damping structure to be mounted during assembly.
  • the components can be.
  • a damping structure in accordance with a preferred embodiment of the present invention is mounted to a plastic hinge 10.
  • the sleeve 1 is inserted into the plastic hinge 10 from one side, so the diameter of the initial penetration side of the plastic hinge 10 must be larger than the diameter of the sleeve 1, and thus the anti-rotation sleeve 11 is added for fixing to prevent the sleeve. 1 Rotate on the penetration side, then tighten the bolt 4 and the locknut 5.
  • the combination as shown in Fig. 4 is fixed to the skeleton 9 of the armrest box 12, as shown in Fig. 5.
  • the shaft pin 6 is passed through the sleeve 1, and then the shaft pin 6 is inserted through the skeleton 9 of the armrest box 12 and the armrest hinge 10, and then the assembly on the first and second extension portions 2b, 3b is performed by the mounting bolt and nut 8.
  • the hole 7 further secures the damping structure to the frame 9 of the armrest box 12 so that the friction plate 2 and the ferrule 3 are not fastened.
  • the gap between the shaft pin 6 and the sleeve 1 is 0.05 mm to prevent abnormal noise.
  • the plastic hinge 10 rotates, the sleeve 1 is rotated, the sleeve 1 rotates and the friction plate 2 does not rotate, and friction between the sleeve 1 and the friction plate 2 is generated, and the friction between the sleeve 1 and the friction plate 2 is generated.
  • the force moment is greater than the gravity moment of the plastic hinge 10 and the parts mounted thereon at any angle, the plastic hinge 10 will be able to achieve the effect of hovering at any angle.
  • a method for constructing a novel damping structure which mainly comprises the following steps:
  • the ferrule 3 includes a second C-shaped portion 3a that mates with the first C-shaped portion 2a of the friction plate 2, and a second extension that extends parallel to each other from both edges of the second C-shaped portion 3a Part 3b;
  • the pressing force between the sleeve 1 and the friction plate 2 is adjusted by fasteners provided through the first extension 2b and the second extension 3b, the sleeve 1 and the friction plate 2 A frictional surface is formed between them.
  • the method also includes providing the surface of the sleeve 1 as a chrome plating layer.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Vibration Dampers (AREA)
  • Vibration Prevention Devices (AREA)
  • Vehicle Body Suspensions (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

一种阻尼结构,包括轴向延伸的轴套(1)、依次套设于轴套外部的摩擦片(2)和金属箍(3);摩擦片包括与轴套配合的第一C形部(2a)和从第一C形部的两边缘相互平行延伸出的第一延伸部(2b);金属箍是铝合金或铜合金挤出件,包括与摩擦片的第一C形部配合的第二C形部(3a)和从第二C形部的两边缘相互平行延伸出的第二延伸部(3b);摩擦片与金属箍之间的压紧力通过贯穿设于第一延伸部和第二延伸部上的紧固件调节,进而间接调节轴套与摩擦片之间的摩擦力;轴套与摩擦片之间形成摩擦面。该阻尼结构既保留了挤出工艺的高稳定性和高精度性,又保留了铝合金或铜合金的高硬度和低密度的特性,同时释放了金属箍内部塑性变形应力。

Description

一种新型阻尼结构及其构造方法 技术领域
本发明涉及一种阻尼结构,更具体地涉及一种新型阻尼结构及其构造方法。
背景技术
在一些产品中需要减缓两个部件(固定件和转动件)的相对转动,使其在预定速度下维持转动时通常需要增加阻尼结构。常见的情况有汽车的扶手箱盖,当打开锁扣时,箱盖会在弹簧作用下自动打开,这时阻尼结构能防止箱盖猛地弹开;当松开制动机构时,阻尼结构能防止箱盖在自身重量和/弹簧拉力作用下急剧关闭。
但是,上述阻尼往往只具备减缓作用,而无法控制转动件在任意位置悬停。
专利JP 200923575中公开了一种阻尼结构,该阻尼结构从里到外依次包括弹簧钢制成的夹持件、塑料摩擦片和转轴。其中夹持件和摩擦片之间通过螺钉进行固定以及调节夹紧力,转轴和塑料摩擦片之间产生摩擦力。
专利CN 201320296282.5中也公开了一种阻尼结构,该阻尼结构从里到外依次包括不锈钢或金属锰制成的金属箍、塑料摩擦套和转轴。其中金属箍通过螺栓和螺母安装到固定件上以及调节夹紧力。转轴具有腰形横截面,并且与摩擦套上扁孔相匹配。摩擦套和金属箍之间产生摩擦力。
以上两个专利,虽然都可以起到悬停作用,但由于阻尼结构中起到作用的金属夹持件多采用钢或锰材料,通过铸造、冲压、折弯等工艺进行成型,但是这样成型的夹持件具有以下缺陷:1)铸造制得的夹持件虽然可以保证厚度,但是这种工艺精度低,公差大约为±1mm以上,如果要保证夹持件较高的配合精度则需进行二次加工,进而使得成本升高,工艺复杂;2)传统铸造、冲压、折弯的金属件不能消除应力,因此夹持件带有内部塑性变形冲应力,要求螺栓和螺母先克服内部塑性变形冲应力后,才能调节夹紧力。而内部塑 性变形冲应力是不稳定的,所以也就导致螺栓和螺母调节夹紧力不稳定。3)压、折弯成型制得的夹持件回弹公差只能控制到±0.5mm,而且冲压成型的夹持件一方面厚度较薄,受挤压时容易变形,折弯后由于自身回弹力的不稳定性,螺栓和螺母的紧固扭矩无法稳定;另一方面,厚度统一,无法局部加厚来增加强度与稳定性,所以在实际应用中并不能稳定地实现任意角度的悬停。
发明内容
本发明的目的是提供一种新型阻尼结构及其构造方法,从而解决现有技术中的阻尼结构无法稳定地实现任意角度悬停的缺陷。
为了解决上述技术问题,本发明采用以下技术方案:
提供一种新型阻尼结构,所述阻尼结构包括:轴向延伸的轴套,以及依次套设于所述轴套外部的摩擦片和金属箍,所述摩擦片包括与所述轴套配合的第一C形部和从所述第一C形部的两边缘相互平行延伸出的第一延伸部,所述金属箍是铝合金或铜合金挤出件,包括与所述摩擦片的所述第一C形部配合的第二C形部和从所述第二C形部的两边缘相互平行延伸出的第二延伸部,所述金属箍与摩擦片之间的压紧力通过贯穿设置于所述第一延伸部和第二延伸部的紧固件调节,进而间接调节摩擦片与轴套之间的摩擦力,所述轴套与所述摩擦片之间形成摩擦面。
优选地,所述摩擦片由聚甲醛塑料制成。
所述轴套由不锈钢材料制成。
优选地,所述轴套的表面为镀铬层。
所述轴套从所述摩擦片和金属箍伸出的部分具有腰形横截面,用于与待安装所述阻尼结构的转动件配合连接。
所述轴套是空心结构,所述阻尼结构还包括贯穿所述轴套的轴销。
所述紧固件包括配合使用的螺栓和防松螺母。
所述轴销与轴套之间保留0.04-0.06mm的间隙,可防止轴销与轴套之间产生异响。
所述第一延伸部和第二延伸部上优选还具有贯穿设置的装配孔,通过常规固定方式如螺钉将所述阻尼结构连接到待安装所述阻尼结构的元件上;或者更优选地所述第一延伸部和第二延伸部不具有装配孔,直接将该第一延伸部和第二延伸部插入待安装所述阻尼结构的元件上即可。
本发明还提供一种新型阻尼结构的构造方法,包括:提供轴向延伸的轴套;提供套设于所述轴套外部的摩擦片,所述摩擦片包括与所述轴套配合的第一C形部和从所述第一C形部的两边缘相互平行延伸出的第一延伸部;以及利用铝合金或铜合金通过挤出成型提供套设于所述摩擦片外部的金属箍,所述金属箍包括与所述摩擦片的所述第一C形部配合的第二C形部和从所述第二C形部的两边缘相互平行延伸出的第二延伸部;通过贯穿设置于所述第一延伸部和第二延伸部的紧固件调节金属箍与所属摩擦片之间的压紧力,进而调节摩擦片与轴套之间的摩擦力,所述轴套与所述摩擦片之间形成摩擦面。
利用铝合金或铜合金通过挤出成型提供所述金属箍。
其中,金属箍是一种铝合金或铜合金挤出件。传统工艺中,挤出成型是采用挤出机将高分子聚合物,如PS\PMMA\PC等等热塑性聚合物通过挤出机螺杆搅拌混匀进而通过模具将其成型的一种方式,挤出成型的模具较简单,成型截面单一,能够提高挤出成型件的尺寸精度,降低废品率。而铝合金或铜合金的熔点较低,正好可以满足挤出工艺要求。
本发明创造性地采用铝合金或铜合金通过挤出工艺成型该金属箍,既保留了挤出工艺的高稳定性以及高精度性,精度可达到0.05mm。当金属箍被稳定固定时,保证了摩擦片与轴套均匀接触,进而在轴套与摩擦片摩擦时可产生均匀的摩擦力。又保留了铝合金或铜合金的高硬度和低密度的特性,使金属箍轻量化。最关键的是,通过挤出工艺成型该金属箍,释放了金属箍内部塑性变形应力,避免了塑性变形应力对紧固件调节压紧力的影响,从而保证了螺栓和螺母可以稳定地调节压紧力。真正实现了在任意角度的悬停,提供了一种相对现有技术具有显著优越性的阻尼结构。
轴套在本阻尼结构中起到与摩擦片摩擦产生摩擦力的作用,它的两端需要固定在其他部件上,由其他部件带动与摩擦片摩擦,因此要求轴套的强度高且不易变形。
因此,本发明创造性地采用不锈钢材料制造轴套,并且优选其表面为镀铬层从而增加表面的光洁度以及耐磨性,进一步确保了该阻尼结构在使用过程中一直均匀摩擦。
附图说明
图1a是本发明阻尼结构的应用领域示意图;
图1b是根据图1a应用领域示意图的局部剖示图;
图2是根据本发明的一个优选实施例的新型阻尼结构;
图3是根据图2实施例的一个爆炸分解示意图;
图4是如图1所示的阻尼结构安装到塑料铰链上的组合的结构示意图;
图5是如图2所示的组合安装到扶手箱骨架上的结构示意图。
具体实施方式
以下结合具体实施例,对本发明做进一步说明。应理解,以下实施例仅用于说明本发明而非用于限制本发明的范围。
作为举例而非限制地,将本发明提供的新型阻尼结构应用于如图1a所示的汽车100中,特别是应用到如图1b所示的汽车100内饰的扶手箱12上。如图2和图3所示,是根据本发明的一个优选实施例的一种新型阻尼结构,该阻尼结构包括:从内向外依次配合的轴套1,摩擦片2和金属箍3。轴套1从所述摩擦片2和金属箍3的两端伸出的部分还具有腰形横截面,便于通过该轴套与其他元件相连接而不发生相对转动。轴套1为空心结构,内部可安装轴销便于通过轴销将其连接到待安装所述阻尼结构的元件上。所述摩擦片2包括与所述轴套配合的第一C形部2a和从所述第一C形部2a的两边缘相互平行延伸出的第一延伸部2b。金属箍3包括与所述摩擦片2的第一C形部2a配合的第二C形部3a和从所述第二C形部3a的两边缘相互平行延伸出的第二延伸部3b。其中,第一、第二延伸部2b,3b通过螺栓4和防松螺母5配合夹紧,用于调节金属箍和摩擦片之间的夹紧力,进而间接调节摩擦片2与轴套1之间的摩擦力,保证稳定的夹紧力并且保证多次使用后不产生松动。第一、第二延伸部2b,3b上还具有装配孔7,便于将所述阻尼结构连接到待 安装所述阻尼结构的元件上,具体可使用螺栓和螺母,也可以使用螺钉。
其中,轴套1由不锈钢材料制成,保证轴套表面具有较高的光洁度,此外,还优选其表面为镀铬层。摩擦片2由聚甲醛塑料制成。金属箍3是一种铝合金或铜合金挤出件,采用铝合金或铜合金通过挤出工艺成型,既能保证高精度和稳定性,又能在受压时变形稳定,消除内部塑性变形应力,保证螺栓和螺母调节压紧力的稳定。
根据本发明的另一优选实施例,所述第一、第二延伸部2b,3b不具有装配孔,在装配时直接将该第一、第二延伸部2b,3b插入待安装所述阻尼结构的元件上即可。
如图4所示,是将根据本发明的一个优选实施例的阻尼结构安装到塑料铰链10上。首先,将轴套1从一侧穿入到塑料铰链10上,因此塑料铰链10的起始穿入侧的孔径必须大于轴套1的直径,特此增加防转套11用于固定,防止轴套1在该穿入侧旋转,然后拧紧螺栓4和防松螺母5。
其次,将如图4所示的组合固定到扶手箱12的骨架9上,具体如图5所示。首先,将轴销6穿过轴套1,进而使轴销6贯穿扶手箱12的骨架9和扶手铰链10,然后采用安装用螺栓螺母8通过第一、第二延伸部2b,3b上的装配孔7将该阻尼结构进一步固定到扶手箱12的骨架9上,使摩擦片2和金属箍3紧固不再旋转。其中,轴销6与轴套1之间的间隙为0.05mm,防止异响。此时,塑料铰链10旋转运动时带动轴套1旋转,轴套1旋转而摩擦片2不旋转,轴套1与摩擦片2之间产生摩擦,当轴套1与摩擦片2之间的摩擦力力矩大于塑料铰链10及其上安装的零件在任意角度的重力力矩时,塑料铰链10将能够实现任意角度悬停的效果。
根据本发明的一个优选实施例,还提供一种新型阻尼结构的构造方法,主要包括以下步骤:
a.提供轴向延伸的轴套1;
b.提供套设于所述轴套1外部的摩擦片2,所述摩擦片2包括与所述轴套配合的第一C形部2a和从所述第一C形部2a的两边缘相互平行延伸出的第一延伸部2b;以及
c.利用铝合金通过挤出成型提供套设于所述摩擦片2外部的金属箍3, 所述金属箍3包括与所述摩擦片2的所述第一C形部2a配合的第二C形部3a和从所述第二C形部3a的两边缘相互平行延伸出的第二延伸部3b;
d.所述轴套1与摩擦片2之间的压紧力通过贯穿所述第一延伸部2b和第二延伸部3b设置的紧固件调节,所述轴套1与所述摩擦片2之间形成摩擦面。
该方法还包括将所述轴套1的表面提供为镀铬层。
根据本发明提供的新型阻尼结构,在轴套与摩擦片之间提供一种均匀的摩擦力,真正实现了在任意角度的悬停,提供了一种相对现有技术具有显著优越性的阻尼结构。
以上所述的,仅为本发明的较佳实施例,并非用以限定本发明的范围,本发明的上述实施例还可以做出各种变化。即凡是依据本发明申请的权利要求书及说明书内容所作的简单、等效变化与修饰,皆落入本发明专利的权利要求保护范围。本发明未详尽描述的均为常规技术内容。

Claims (10)

  1. 一种新型阻尼结构,其特征在于,所述阻尼结构包括:轴向延伸的轴套(1),以及依次套设于所述轴套(1)外部的摩擦片(2)和金属箍(3),所述摩擦片(2)包括与所述轴套配合的第一C形部(2a)和从所述第一C形部(2a)的两边缘相互平行延伸出的第一延伸部(2b),所述金属箍(3)是铝合金或铜合金挤出件,包括与所述摩擦片(2)的所述第一C形部(2a)配合的第二C形部(3a)和从所述第二C形部(3a)的两边缘相互平行延伸出的第二延伸部(3b),所述摩擦片(2)与金属箍(3)之间的压紧力通过贯穿设置于所述第一延伸部(2b)和第二延伸部(3b)上的紧固件调节,进而间接调节所述轴套(1)与摩擦片(2)之间的摩擦力,所述轴套(1)与所述摩擦片(2)之间形成摩擦面。
  2. 根据权利要求1所述的新型阻尼结构,其特征在于,所述摩擦片(2)由聚甲醛塑料制成。
  3. 根据权利要求1所述的新型阻尼结构,其特征在于,所述轴套(1)由不锈钢材料制成。
  4. 根据权利要求3所述的新型阻尼结构,其特征在于,所述轴套(1)的表面为镀铬层。
  5. 根据权利要求1所述的新型阻尼结构,其特征在于,所述轴套(1)从所述摩擦片(2)和金属箍(3)伸出的部分具有腰形横截面。
  6. 根据权利要求1或5所述的新型阻尼结构,其特征在于,所述轴套(1)是空心结构,所述阻尼结构还包括贯穿所述轴套(1)设置的轴销(6)。
  7. 根据权利要求1所述的新型阻尼结构,其特征在于,所述紧固件包括配合使用的螺栓(4)和防松螺母(5)。
  8. 根据权利要求1所述的新型阻尼结构,其特征在于,所述轴销(6)与轴套(1)之间保留0.04-0.06mm的间隙。
  9. 一种新型阻尼结构的构造方法,其特征在于,包括:
    提供轴向延伸的轴套(1);
    提供套设于所述轴套(1)外部的摩擦片(2),所述摩擦片(2)包括与所述轴套配合的第一C形部(2a)和从所述第一C形部(2a)的两边缘相互平行延伸出的第一延伸部(2b);以及
    利用铝合金或铜合金通过挤出成型提供套设于所述摩擦片(2)外部的金属箍(3),所述金属箍(3)包括与所述摩擦片(2)的所述第一C形部(2a)配合的第二C形部(3a)和从所述第二C形部(3a)的两边缘相互平行延伸出的第二延伸部(3b);
    所述轴套(1)与摩擦片(2)之间的压紧力通过贯穿所述第一延伸部(2b)和第二延伸部(3b)设置的紧固件调节,所述轴套(1)与所述摩擦片(2)之间形成摩擦面。
  10. 根据权利要求9所述的构造方法,其特征在于,还包括将所述轴套(1)的表面提供为镀铬层。
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