WO2010148911A1 - 扭力接头及支承销总成 - Google Patents

扭力接头及支承销总成 Download PDF

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Publication number
WO2010148911A1
WO2010148911A1 PCT/CN2010/073373 CN2010073373W WO2010148911A1 WO 2010148911 A1 WO2010148911 A1 WO 2010148911A1 CN 2010073373 W CN2010073373 W CN 2010073373W WO 2010148911 A1 WO2010148911 A1 WO 2010148911A1
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WO
WIPO (PCT)
Prior art keywords
rigid
support pin
limit baffle
baffle
elastic body
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PCT/CN2010/073373
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English (en)
French (fr)
Inventor
陈清欣
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Chen Qingxin
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Publication date
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Publication of WO2010148911A1 publication Critical patent/WO2010148911A1/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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/22—Sliding surface consisting mainly of rubber or synthetic rubber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/005—Ball joints
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0614—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part of the joint being open on two sides
    • 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
    • F16F1/3828—End stop features or buffering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/41—Elastic mounts, e.g. bushings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/416—Ball or spherical joints
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/01—Parts of vehicles in general
    • F16C2326/05—Vehicle suspensions, e.g. bearings, pivots or connecting rods used therein

Definitions

  • the invention relates to a vehicle rear suspension reaction rod joint assembly, in particular to a torque joint and a support pin assembly in a component of a reaction rod with a joint assembly.
  • the conventional torque joint and support pin assembly includes a support pin 1', an inner casing 2', an elastic body 3' and a casing cover 4', and the inner wall of the inner casing 2'
  • the support pin 1' is tightly fitted into the inner casing 2', and is heated after injecting natural rubber and chemical raw materials between the outer casing 4' and the inner casing 2'.
  • the vulcanization forms an elastic body 3', and the elastic body 3' is fixed between the outer casing 4' and the inner casing 2', and the elastic expansion and contraction characteristics of the rubber are used to complete the shock absorption and balance of the torque joint and the support pin assembly.
  • the outer casing 4' is pressed into the head of the reaction rod in the axial direction of the support pin, so that the outer casing 4' is tightly fitted in the head of the reaction rod.
  • the torsion joint and the support pin assembly have the following disadvantages: 1.
  • the elastomer is formed by adding natural rubber to the chemical raw material and then heating and vulcanizing, which not only causes waste of energy, but also causes air pollution; and then the rubber is added to the chemical industry by using natural rubber. If the raw materials are heated and vulcanized, it will waste resources. 2.
  • the natural rubber is vulcanized by heating and bonded to other parts to become a single body. After being subjected to an external force, the rubber and other components are easily separated, that is, the structural stability is poor. 3. There is no limit protection for the elastomer. When the elastic body is subjected to external force, it is easy to be cracked, resulting in short service life. 4.
  • the outer casing sleeve is pressed into the rod head of the reaction rod along the axial direction of the support pin, and the outer sleeve and the rod head of the reaction rod are tightly coupled, and there is a problem of easy slippage during use, and the outer sleeve of the assembly.
  • the outer side wall is easy to wear and cannot be reused many times.
  • both ends of the support pin 1' are respectively provided with a movable baffle 5', and after injecting natural rubber and chemical raw materials into the cavity formed by the two movable baffles 5' and the support pin 1
  • the vulcanization is heated to form the elastic body 3', and the elastic body 3' is fixed between the support pin 1' and the two movable baffles 5', and the expansion and balance of the torsion joint and the support pin assembly are completed by the expansion and contraction characteristics of the rubber. effect.
  • the outer peripheral edge of the movable baffle 5' in the radial direction of the support pin is respectively movably engaged in the head of the reaction rod, since the torsion joint and the support pin assembly are actuated by the movable baffle 5' in the reaction. There is no assembly wear problem in the head of the rod, which can be reused many times.
  • the improved joint and the support pin have the disadvantage that when the torque joint and the support pin assembly are to be fitted into the head of the reaction rod, the outer peripheral edges of the movable baffle in the radial direction of the support pin are respectively The movable card is arranged in the head of the reaction rod.
  • the tensile force of the rubber can only be used as the shock absorption balance, so that the rubber is easy to support the pin.
  • the axial direction is pulled apart, and the stability of the entire torsion joint and the support pin assembly structure is poor, and the service life is short.
  • the object of the present invention is to provide a torsion joint and a support pin assembly, which can effectively prevent the elastic body from being excessively stretched and broken off, and has a stable structure and a long service life.
  • a torque joint and a support pin assembly including a support pin, an elastic body and a rigid movable limit baffle, and a rigid fixed limit baffle, wherein the rigid fixed limit baffle is separately sleeved
  • the rigid movable limit baffle is sleeved on the support pin, and is respectively located on the inner side of the rigid fixed limit baffle, and the rigid movable limit baffle is rigidly fixed to the rigid pin.
  • the limiting baffle has overlapping portions in the axial direction of the support pin, and the overlapping portions respectively abut each other, and the elastic body is filled with the rigid movable limit baffle and the rigid fixing limit
  • the cavity formed by the position baffle and the support pin has a radial limit gap between the inner diameter of the rigid movable limit baffle and the support pin to limit the radial elastic deformation of the elastic body.
  • a flange is provided on each of the support pins corresponding to the rigid movable limit baffle.
  • the above elastomer is a monolithic waste elastomer.
  • the above elastomer is a block or strip-shaped waste elastomer bonded.
  • the above elastomer is formed by heating and vulcanizing natural rubber.
  • the rigid fixed limit baffle is fixed to the support pin by a snap groove or welding.
  • the torque joint and the support pin assembly comprise a support pin, an elastic body and a rigid movable limit baffle, and further comprise a rigid fixed limit baffle and a sleeve, wherein the rigid fixed limit baffle is respectively sleeved and fixed on the support pin In the appropriate position of the end, the support pin is sleeved on the portion of the rigid fixed limit baffle, and the rigid movable limit baffle is sleeved on both ends of the sleeve, and the rigid movable limit stop
  • the plate and the rigid fixed limit baffle have overlapping portions in the axial direction of the support pin, and the overlapping portions respectively abut each other, and the elastic body is filled with the rigid movable limit baffle
  • the rigid fixed limit baffle and the sleeve formed by the rigid fixed limit baffle have a radial limit gap between the inner diameter of the rigid movable limit baffle and the sleeve to limit the radial elastic deformation of the elastic body.
  • the torque joint and the support pin assembly comprise a support pin, an elastic body and a rigid movable limit baffle, and further comprise a rigid fixed limit baffle and another rigid movable limit baffle; the rigid fixed limit baffle is separately sleeved
  • the rigid movable limit baffle is sleeved on the support pin, and is respectively located on the inner side of the rigid fixed limit baffle, and the rigid movable limit baffle is rigidly fixed to the rigid pin.
  • the limiting baffle has overlapping portions in the axial direction of the support pin, and the overlapping portions respectively abut each other, and the other rigid movable limiting baffle is sleeved on the support pin.
  • the inner side of the rigid movable limit baffle, the other rigid movable limit baffle and the rigid movable limit baffle have overlapping portions in the axial direction of the support pin, and the overlapping portions respectively correspond to Abutting together, the elastic body is filled in a cavity formed by the rigid movable limit baffle, the other rigid movable limit baffle and the support pin, A gap having a radial stop to limit radial elastic deformation of the elastic body between the inner stopper, the activity to the pivot pin.
  • the torque joint and the support pin assembly of the present invention comprise a support pin, an elastic body and a rigid movable limit baffle, and a rigid fixed limit baffle, and the elastic body is filled with the rigid movable limit baffle
  • the inner diameter of the rigid movable limit baffle and the support pin have a radial limit gap which limits the radial elastic deformation of the elastic body.
  • the outer peripheral edge of the rigid movable limit baffle in the radial direction of the support pin is respectively movably clamped in the head of the reaction rod.
  • the rigid fixed limit baffle, the rigid fixed limit baffle pushes the rigid movable limit baffle away from the edge of the head to the elastic body, and the rigid movable limit baffle at the other end is activated by the head of the reaction rod
  • the clamping is supported by the top pressure, and a relatively independent cavity is formed in the axial direction, and the elastic body is reciprocated and reciprocated in the relatively independent cavity to perform the shock absorption balance.
  • the utility model has the advantages of effectively preventing the elastic body from being excessively stretched and broken and falling off, and has a stable structure and a long service life.
  • various elastomers can be cut into desired sizes and filled directly into the cavity (or bonded by an adhesive) without heat vulcanization, thereby saving energy and resources, and achieving no Causes air pollution.
  • FIG. 1 is a schematic structural view of a basic structure of a conventional torque joint and a support pin assembly.
  • FIG. 2 is a schematic structural view of another basic structure of a conventional torque joint and a support pin assembly.
  • Fig. 3 is a schematic structural view of a first embodiment of the present invention.
  • FIG. 4 is a schematic structural view of a second embodiment of the present invention.
  • Fig. 5 is a schematic structural view of a third embodiment of the present invention.
  • Fig. 6 is a schematic structural view of a fourth embodiment of the present invention.
  • Figure 7 is a schematic structural view of Embodiment 5 of the present invention.
  • the torque joint and the support pin assembly of the present invention includes a support pin 1, a rigid fixed limit baffle 2, a rigid movable limit baffle 3 and an elastic body 4, and a rigid fixed limit baffle 2 and the rigid activity limit baffle 3 has a through hole in the middle.
  • the rigid fixed limit baffles 2 are respectively sleeved and fixed at the two ends of the support pin 1.
  • the rigid movable limit baffle 3 is sleeved on the support pin 1 and is respectively located inside the rigid fixed limit baffle 2, and the rigid activity
  • the limiting baffle 3 and the rigid fixed limit baffle 2 have overlapping portions in the axial direction of the supporting pin 1, and the overlapping portions are respectively pressed against each other, and the two ends of the supporting pin 1 correspond to each other.
  • the rigid fixed limit baffle 2 is respectively provided with a flange 11 , and the elastic body 4 is filled in a cavity formed by the rigid movable limit baffle 3 , the rigid fixed limit baffle 2 and the support pin 1 , and the rigid movable limit Between the inner diameter of the baffle 3 and the flange 11 of the support pin 1, there is a radial limit gap 31 which limits the radial elastic deformation of the elastic body 4.
  • the size of the radial limit gap 31 is based on the ultimate compression of the elastic body 4. And set.
  • the torque joint and the support pin assembly of the present invention includes a support pin 1, a rigid fixed limit baffle 2, a rigid movable limit baffle 3 and an elastic body 4, and a rigid fixed limit baffle 2 and the rigid activity limit baffle 3 has a through hole in the middle.
  • the rigid fixed limit baffle 2 is respectively sleeved and fixed at a suitable position on both ends of the support pin 1.
  • the support pin 1 is sleeved with a sleeve 5 in a portion of the rigid fixed limit baffle 2, and the rigid movable limit baffle 3 is movable.
  • the rigid movable limit baffle 3 and the rigid fixed limit baffle 2 have overlapping portions in the axial direction of the support pin 1, and the overlapping portions respectively correspond to the pressing Abutting together, the elastic body 4 is filled in a cavity formed by the rigid movable limit baffle 3, the rigid fixed limit baffle 2 and the sleeve 5, and the inner diameter of the rigid movable limit baffle 3 and the sleeve 5
  • There is a radial limit gap 31 which limits the radial elastic deformation of the elastic body 4, and the size of the radial limit gap 31 depends on the ultimate compression of the elastic body 4.
  • the torque joint and the support pin assembly of the present invention includes a support pin 1, a rigid fixed limit baffle 2, a rigid movable limit baffle 3 and an elastic body 4, and a rigid fixed limit baffle 2 and the rigid activity limit baffle 3 has a through hole in the middle.
  • the rigid fixed limit baffles 2 are respectively sleeved and fixed at the two ends of the support pin 1.
  • the rigid movable limit baffle 3 is sleeved on the support pin 1 and is respectively located inside the rigid fixed limit baffle 2, and the rigid activity
  • the limiting baffle 3 and the rigid fixed limit baffle 2 have overlapping portions in the axial direction of the support pin 1, and the overlapping portions are respectively pressed against each other, and the elastic body 4 is filled with rigidity.
  • the rigid fixed limit baffle 2 and the support pin 1 have a radial elastic variable restricting the elastic body 4.
  • the radial limit gap 31, the size of the radial limit gap 31 depends on the ultimate compression of the elastic body 4.
  • the torque joint and the support pin assembly of the present invention are as shown in FIG. 6 , and include a support pin 1 , a rigid fixed limit baffle 6 , a rigid movable limit baffle 3 , and an elastic body 4 , and a rigid movable limit baffle
  • the middle portion is provided with a through hole
  • the rigid fixed limit baffle 6 includes a baffle body 61 having a through hole in the middle thereof.
  • the peripheral edge of the through hole extends outward along the axial direction of the support pin 1 to form a corresponding portion with the support pin 1.
  • Fitted sleeve 62 Fitted sleeve 62.
  • the baffle body 61 of the rigid fixed limit baffle 6 is respectively sleeved and fixed at a suitable position on both ends of the support pin 1.
  • the rigid movable limit baffle 3 is sleeved on the support pin 1 and respectively located on the rigid fixed limit baffle 6
  • the inner side of the baffle body 61, the rigid movable limit baffle 3 and the baffle body 61 of the rigid fixed limit baffle 6 have overlapping portions in the axial direction of the support pin 1, and the overlapping portions are respectively
  • the elastic body 4 is filled in the cavity formed by the rigid movable limit baffle 3, the baffle body 61 of the rigid fixed limit baffle 6 and the support pin 1, the rigid movable limit baffle
  • the size of the radial limit gap 31 depends on the ultimate compression of the elastic body 4.
  • the torque joint and the support pin assembly of the present invention are as shown in FIG. 7 of the fifth embodiment, and include a support pin 1, a rigid fixed limit baffle 2, a rigid movable limit baffle 7 and an elastic body 4, and a rigid fixed limit baffle. 2
  • the central portion is provided with a through hole
  • the rigid movable limit baffle 7 includes a baffle body 71 having a through hole in the middle thereof, and a peripheral edge of the through hole extends outwardly along the axial direction of the support pin 1 to form a sleeve 72.
  • the rigid fixed limit baffles 2 are respectively sleeved and fixed at the two ends of the support pin 1.
  • the sleeve 72 of the rigid movable limit baffle 7 is sleeved on the support pin 1 and respectively located on the rigid fixed limit baffle 2 On the inner side, the sleeve 72 of the rigid movable limit baffle 7 and the rigid fixed limit baffle 2 have overlapping portions in the axial direction of the support pin 1, and the overlapping portions are respectively pressed against each other.
  • the rigid fixed limit baffle 2 and the sleeve 72 of the rigid movable limit baffle 7 (the elastic body 4 is easily inserted into the cavity)
  • the sleeve 72 of the rigid movable limit baffle is crushed), and another rigid movable limit baffle 8 is movably disposed on the inner side of the baffle body 71 of the rigid movable limit baffle 7 on the support pin 1.
  • a rigid movable limit baffle 8 and a baffle body 71 of the rigid movable limit baffle 7 have overlapping portions in the axial direction of the support pin 1, and the overlapping portions respectively abut each other.
  • the elastic body 4 is filled in a cavity formed by the baffle body 71 of the rigid movable limit baffle 7, the other rigid movable limit baffle 8 and the support pin 1, and the sleeve 72 of the rigid movable limit baffle 7
  • a radial limit gap 73 is defined between the inner wall and the support pin 1 to limit the radial elastic deformation of the elastic body 4.
  • the size of the radial limit gap 73 depends on the ultimate compression of the elastic body 4.
  • the rigid fixing limit baffle can be fixed in various ways, such as a circlip card slot, a direct electric welding method or an indirect electric welding method on the pad.
  • the elastic body may be formed by heating and vulcanizing natural rubber, or may be filled with a waste elastomer.
  • the waste elastic body may be integrally filled in the above cavity, or the waste elastic body may be spliced and bonded together. Filled in the above cavity. If it is filled with waste elastomer, it does not require thermal vulcanization, which saves energy and resources and does not cause air pollution.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Springs (AREA)
  • Vehicle Body Suspensions (AREA)

Description

扭力接头及支承销总成 技术领域
本发明涉及车辆后悬架反作用杆带接头总成，具体是反作用杆带接头总成的组成部件中的扭力接头及支承销总成。
背景技术
传统的扭力接头及支承销总成，其基本结构如图1所示，包括支承销1′、内壳套2′、弹性体3′和外壳套4′，内壳套2′的内腔壁为与支承销1′相适配的圆柱孔，支承销1′紧配合穿设于内壳套2′内，在外壳套4′与内壳套2′之间注入天然橡胶和化工原料后加热硫化形成弹性体3′，弹性体3′固结于外壳套4′与内壳套2′之间，利用橡胶的伸缩特性来完成扭力接头及支承销总成减震和平衡等作用。使用时，将外壳套4′沿支承销的轴向方向压入反作用杆的杆头里，使外壳套4′紧配合嵌在反作用杆的杆头里。
这种扭力接头及支承销总成存在如下缺点：1、弹性体是利用天然橡胶加入化工原料后加热硫化形成的，不仅造成浪费能源，而且会造成空气污染；再是橡胶是利用天然橡胶加入化工原料加热硫化的，会造成浪费资源。2、利用天然橡胶通过加热硫化后与其它部件粘合成为相对一体，受到外力的作用后，橡胶与其它部件易脱离，即结构的稳定性差。3、没有对弹性体进行限位保护，当弹性体受到外力作用后易被拉裂，造成使用寿命短。4、外壳套沿支承销的轴向方向压入反作用杆的杆头里，外壳套与反作用杆的杆头为紧配合的连接方式，存在着使用中易滑脱的问题，以及装配时外壳套的外侧壁易磨损，无法多次重复使用的缺点。
为了提供一种可有效防止弹性体脱落及过度被拉伸的扭力接头及支承销总成。本人于2006年4月11日申请了ZL200610039795.2的发明专利《接头及支承销总成的改进结构》，并在2007年2月15日申请了200710008631.8的发明专利《接头及支承销总成》，这两件专利所公开的技术方案中，可将各种各样的弹性体切成所需尺寸，直接填充到结构里，无需热硫化，达到节约能源及资源，实现不造成空气污染，并可对弹性体在支承销的轴向方向进行限位，使弹性体不会脱落，且弹性体在支承销的轴向方向不会被拉裂。但当要与车辆的反作用杆结合为总成时，同样需把扭力接头及支承销总成的外壳套沿支承销的轴向方向紧配合地压入反作用杆的杆头里，由于外壳套与反作用杆的杆头为紧配合的连接方式，故还是存在着使用中易滑脱的问题，以及装配时外壳套的外侧壁易磨损，无法多次重复使用的缺点。
总之，这种扭力接头及支承销总成始终存在着外壳套必须沿支承销的轴向方向紧配合地压入反作用杆的杆头里才能使用的缺点。为了克服该缺点，制造车辆生产厂家设计了改进的扭力接头及支承销总成，这种改进的扭力接头及支承销总成的基本结构如图2所示，包括支承销1′、弹性体3′和活动挡板5′，支承销1′的两端分别套设有活动挡板5′，在两块活动挡板5′与支承销1所构成的容腔里注入天然橡胶和化工原料后加热硫化形成弹性体3′，使弹性体3′固结于支承销1′与两块活动挡板5′之间，利用橡胶的伸缩特性来完成扭力接头及支承销总成减震和平衡等作用。使用时，将活动挡板5′于支承销径向方向的外周沿分别活动卡设在反作用杆的杆头里，由于扭力接头及支承销总成是通过活动挡板5′活动卡设在反作用杆的杆头里，不存在装配磨损问题，可多次重复使用。
但是，这种改进的接头及支承销还是存在缺点，即：要将扭力接头及支承销总成装入反作用杆的杆头里时，得把活动挡板于支承销径向方向的外周沿分别活动卡设在反作用杆的杆头里，当外力作用于支承销轴向的一端再作用到另一端时，此时只能依靠橡胶的拉伸力作减震平衡作用，这样橡胶易在支承销的轴向方向被拉裂，而且整个扭力接头及支承销总成结构的稳定性差，使用寿命较短。
发明内容
本发明的目的是提供一种扭力接头及支承销总成，其可有效防止弹性体被过度拉伸断裂及脱落，而且结构很稳固，使用寿命较长。
本发明的技术方案是这样的：扭力接头及支承销总成，包括支承销、弹性体和刚性活动限位挡板，还包括刚性固定限位挡板，上述刚性固定限位挡板分别套设固定于上述支承销两端的合适位置上，上述刚性活动限位挡板活动套设于上述支承销上，分别位于上述刚性固定限位挡板的内侧，上述刚性活动限位挡板与上述刚性固定限位挡板于上述支承销的轴向方向上具有相重叠的部分，而且此相重叠的部分分别对应抵靠在一起，上述弹性体填充于由上述刚性活动限位挡板、上述刚性固定限位挡板和上述支承销构成的容腔内，上述刚性活动限位挡板的内径与上述支承销之间具有限制上述弹性体径向弹性形变量的径向限位间隙。
上述支承销上对应于上述刚性活动限位挡板的部位分别设有凸缘。
上述弹性体为整体式的废旧弹性体。
上述弹性体为块状或条状废旧弹性体粘接而成。
上述弹性体为天然橡胶加热硫化而成。
上述刚性固定限位挡板通过卡簧卡槽或焊接的方式固定于上述支承销上。
扭力接头及支承销总成，包括支承销、弹性体和刚性活动限位挡板，还包括刚性固定限位挡板和轴套，上述刚性固定限位挡板分别套设固定于上述支承销两端的合适位置上，上述支承销于上述刚性固定限位挡板以内的部分套设有上述轴套，上述刚性活动限位挡板活动套设于上述轴套的两端，上述刚性活动限位挡板与上述刚性固定限位挡板于上述支承销的轴向方向上具有相重叠的部分，而且此相重叠的部分分别对应抵靠在一起，上述弹性体填充于由上述刚性活动限位挡板、上述刚性固定限位挡板和上述轴套构成的容腔内，上述刚性活动限位挡板的内径与上述轴套之间具有限制上述弹性体径向弹性形变量的径向限位间隙。
扭力接头及支承销总成，包括支承销、弹性体和刚性活动限位挡板，还包括刚性固定限位挡板和另一刚性活动限位挡板；上述刚性固定限位挡板分别套设固定于上述支承销两端的合适位置上，上述刚性活动限位挡板活动套设于上述支承销上，分别位于上述刚性固定限位挡板的内侧，上述刚性活动限位挡板与上述刚性固定限位挡板于上述支承销的轴向方向上具有相重叠的部分，而且此相重叠的部分分别对应抵靠在一起，上述另一刚性活动限位挡板活动套设于上述支承销上位于上述刚性活动限位挡板的内侧，此另一刚性活动限位挡板与上述刚性活动限位挡板于上述支承销的轴向方向上具有相重叠的部分，而且此相重叠的部分分别对应抵靠在一起，上述弹性体填充于由上述刚性活动限位挡板、上述另一刚性活动限位挡板和上述支承销构成的容腔内，上述刚性活动限位挡板的内径与上述支承销之间具有限制上述弹性体径向弹性形变量的径向限位间隙。
采用上述方案后，本发明的扭力接头及支承销总成，包括支承销、弹性体和刚性活动限位挡板，还包括刚性固定限位挡板，弹性体填充于由刚性活动限位挡板、刚性固定限位挡板和支承销构成的容腔内，刚性活动限位挡板的内径与支承销之间具有限制上述弹性体径向弹性形变量的径向限位间隙。使用时，将刚性活动限位挡板于支承销径向方向的外周沿分别活动卡设在反作用杆的杆头里，当车辆行驶在不平的道路时，外力从支承销的轴向一端作用于刚性固定限位挡板，刚性固定限位挡板再推压着刚性活动限位挡板离开杆头边沿压向弹性体，此时另一端的刚性活动限位挡板被反作用杆的杆头活动卡设顶压支撑着，在轴向就形成一个相对独立容腔，弹性体在此相对独立容腔中来回往复被挤压（而不是拉伸）起到减震平衡作用。与现有技术相比，具有可有效防止弹性体被过度拉伸断裂及脱落的优点，而且结构很稳固，使用寿命较长。而且，本发明中，可将各种各样的弹性体切成所需尺寸，直接（或通过粘合剂粘合后）填充到容腔里，无需热硫化，达到节约能源及资源，实现不造成空气污染。
附图说明
图1为现有扭力接头及支承销总成的一种基本结构的结构示意图。
图2为现有扭力接头及支承销总成的另一种基本结构的结构示意图。
图3为本发明的实施例一的结构示意图。
图4为本发明的实施例二的结构示意图。
图5为本发明的实施例三的结构示意图。
图6为本发明的实施例四的结构示意图。
图7为本发明的实施例五的结构示意图。
具体实施方式
本发明扭力接头及支承销总成，实施例一如图3所示，包括支承销1、刚性固定限位挡板2、刚性活动限位挡板3和弹性体4，刚性固定限位挡板2和刚性活动限位挡板3中部均开有通孔。刚性固定限位挡板2分别套设固定于支承销1两端的合适位置上，刚性活动限位挡板3活动套设于支承销1上分别位于刚性固定限位挡板2的内侧，刚性活动限位挡板3与刚性固定限位挡板2于支承销1的轴向方向上具有相重叠的部分，而且此相重叠的部分分别对应紧压抵靠在一起，支承销1的两端对应于刚性固定限位挡板2分别设有凸缘11，弹性体4填充于由刚性活动限位挡板3、刚性固定限位挡板2和支承销1构成的容腔内，刚性活动限位挡板3的内径与支承销1的凸缘11之间具有限制弹性体4径向弹性形变量的径向限位间隙31，径向限位间隙31的尺寸大小根据弹性体4的极限压缩量而定。
本发明扭力接头及支承销总成，实施例二如图4所示，包括支承销1、刚性固定限位挡板2、刚性活动限位挡板3和弹性体4，刚性固定限位挡板2和刚性活动限位挡板3中部均开有通孔。刚性固定限位挡板2分别套设固定于支承销1两端的合适位置上，支承销1于刚性固定限位挡板2以内的部分套设有轴套5，刚性活动限位挡板3活动套设于轴套5的两端，刚性活动限位挡板3与刚性固定限位挡板2于支承销1的轴向方向上具有相重叠的部分，而且此相重叠的部分分别对应紧压抵靠在一起，弹性体4填充于由刚性活动限位挡板3、刚性固定限位挡板2和轴套5构成的容腔内，刚性活动限位挡板3的内径与轴套5之间具有限制弹性体4径向弹性形变量的径向限位间隙31，径向限位间隙31的尺寸大小根据弹性体4的极限压缩量而定。
本发明扭力接头及支承销总成，实施例三如图5所示，包括支承销1、刚性固定限位挡板2、刚性活动限位挡板3和弹性体4，刚性固定限位挡板2和刚性活动限位挡板3中部均开有通孔。刚性固定限位挡板2分别套设固定于支承销1两端的合适位置上，刚性活动限位挡板3活动套设于支承销1上分别位于刚性固定限位挡板2的内侧，刚性活动限位挡板3与刚性固定限位挡板2于支承销1的轴向方向上具有相重叠的部分，而且此相重叠的部分分别对应紧压抵靠在一起，弹性体4填充于由刚性活动限位挡板3、刚性固定限位挡板2和支承销1构成的容腔内，刚性活动限位挡板3的内径与支承销1之间具有限制弹性体4径向弹性形变量的径向限位间隙31，径向限位间隙31的尺寸大小根据弹性体4的极限压缩量而定。
本发明扭力接头及支承销总成，实施例四如图六所示，包括支承销1、刚性固定限位挡板6、刚性活动限位挡板3和弹性体4，刚性活动限位挡板3中部开有通孔，刚性固定限位挡板6包括中部开有通孔的挡板本体61，此通孔的周缘沿支承销1的轴向分别向外延伸形成与支承销1的相应部位相适配的套筒62。刚性固定限位挡板6的挡板本体61分别套设固定于支承销1两端的合适位置上，刚性活动限位挡板3活动套设于支承销1上分别位于刚性固定限位挡板6的挡板本体61的内侧，刚性活动限位挡板3与刚性固定限位挡板6的挡板本体61于支承销1的轴向方向上具有相重叠的部分，而且此相重叠的部分分别对应紧压抵靠在一起，弹性体4填充于由刚性活动限位挡板3、刚性固定限位挡板6的挡板本体61和支承销1构成的容腔内，刚性活动限位挡板3的内径与支承销1之间具有限制弹性体4径向弹性形变量的径向限位间隙31，径向限位间隙31的尺寸大小根据弹性体4的极限压缩量而定。
本发明扭力接头及支承销总成，实施例五如图七所示，包括支承销1、刚性固定限位挡板2、刚性活动限位挡板7和弹性体4，刚性固定限位挡板2中部开有通孔，刚性活动限位挡板7包括中部开有通孔的挡板本体71，此通孔的周缘沿支承销1的轴向分别向外延伸形成套筒72。刚性固定限位挡板2分别套设固定于支承销1两端的合适位置上，刚性活动限位挡板7的套筒72活动套设于支承销1上分别位于刚性固定限位挡板2的内侧，刚性活动限位挡板7的套筒72与刚性固定限位挡板2于支承销1的轴向方向上具有相重叠的部分，而且此相重叠的部分分别对应紧压抵靠在一起；为了不让弹性体4进入由支承销1、刚性固定限位挡板2和刚性活动限位挡板7的套筒72所构成的空腔里（弹性体4进入该空腔后，易被刚性活动限位挡板的套筒72压碎），在支承销1上位于刚性活动限位挡板7的挡板本体71的内侧活动套设有另一刚性活动限位挡板8，此另一刚性活动限位挡板8与刚性活动限位挡板7的挡板本体71于支承销1的轴向方向上具有相重叠的部分，而且此相重叠的部分分别对应抵靠在一起。弹性体4填充于由刚性活动限位挡板7的挡板本体71、另一刚性活动限位挡板8和支承销1构成的容腔内，刚性活动限位挡板7的套筒72的内壁与支承销1之间限制弹性体4径向弹性形变量的径向限位间隙73，径向限位间隙73的尺寸大小根据弹性体4的极限压缩量而定。
本发明中，刚性固定限位挡板的固定方式有多种多样，如可用卡簧卡槽的方式、直接电焊的方式或垫上垫片间接电焊的方式等。
本发明中，弹性体可采用天然橡胶加热硫化而成，也可采用废旧弹性体进行填充，废旧弹性体可整体填充于上述容腔里，也可将废旧弹性体切条后粘合在一起再填充于上述容腔里。若采用废旧弹性体进行填充，则无需热硫化，可节约能源及资源，不造成空气污染。
本发明的上述实施例仅仅是为了清楚地说明本发明作为的举例，而并非是对本发明的实施方式限定。对于所属领域的普通技术人员来说，在上述说明的基础上，还可以做出其它不同结构形式的变化或变动，这里无需也无法对所有的实施方式予以穷举。而这些属于本发明的精神所引申出的显而易见的变化或变动仍处于本发明保护范围之中。

Claims (8)

1、扭力接头及支承销总成，包括支承销、弹性体和刚性活动限位挡板，其特征在于：还包括刚性固定限位挡板，上述刚性固定限位挡板分别套设固定于上述支承销两端的合适位置上，上述刚性活动限位挡板活动套设于上述支承销上，分别位于上述刚性固定限位挡板的内侧，上述刚性活动限位挡板与上述刚性固定限位挡板于上述支承销的轴向方向上具有相重叠的部分，而且此相重叠的部分分别对应抵靠在一起，上述弹性体填充于由上述刚性活动限位挡板、上述刚性固定限位挡板和上述支承销构成的容腔内，上述刚性活动限位挡板的内径与上述支承销之间具有限制上述弹性体径向弹性形变量的径向限位间隙。
2、根据权利要求1所述的扭力接头及支承销总成，其特征在于：上述支承销上对应于上述刚性活动限位挡板的部位分别设有凸缘。
3、根据权利要求1或2所述的扭力接头及支承销总成，其特征在于：上述弹性体为整体式的废旧弹性体。
4、根据权利要求1或2所述的扭力接头及支承销总成，其特征在于：上述弹性体为块状或条状废旧弹性体粘接而成。
5、根据权利要求1或2所述的扭力接头及支承销总成，其特征在于：上述弹性体为天然橡胶加热硫化而成。
6、根据权利要求1或2所述的扭力接头及支承销总成，其特征在于：上述刚性固定限位挡板通过卡簧卡槽或焊接的方式固定于上述支承销上。
7、扭力接头及支承销总成，包括支承销、弹性体和刚性活动限位挡板，其特征在于：还包括刚性固定限位挡板和轴套，上述刚性固定限位挡板分别套设固定于上述支承销两端的合适位置上，上述支承销于上述刚性固定限位挡板以内的部分套设有上述轴套，上述刚性活动限位挡板活动套设于上述轴套的两端，上述刚性活动限位挡板与上述刚性固定限位挡板于上述支承销的轴向方向上具有相重叠的部分，而且此相重叠的部分分别对应抵靠在一起，上述弹性体填充于由上述刚性活动限位挡板、上述刚性固定限位挡板和上述轴套构成的容腔内，上述刚性活动限位挡板的内径与上述轴套之间具有限制上述弹性体径向弹性形变量的径向限位间隙。
8、扭力接头及支承销总成，包括支承销、弹性体和刚性活动限位挡板，其特征在于：还包括刚性固定限位挡板和另一刚性活动限位挡板；上述刚性固定限位挡板分别套设固定于上述支承销两端的合适位置上，上述刚性活动限位挡板活动套设于上述支承销上，分别位于上述刚性固定限位挡板的内侧，上述刚性活动限位挡板与上述刚性固定限位挡板于上述支承销的轴向方向上具有相重叠的部分，而且此相重叠的部分分别对应抵靠在一起，上述另一刚性活动限位挡板活动套设于上述支承销上位于上述刚性活动限位挡板的内侧，此另一刚性活动限位挡板与上述刚性活动限位挡板于上述支承销的轴向方向上具有相重叠的部分，而且此相重叠的部分分别对应抵靠在一起，上述弹性体填充于由上述刚性活动限位挡板、上述另一刚性活动限位挡板和上述支承销构成的容腔内，上述刚性活动限位挡板的内径与上述支承销之间具有限制上述弹性体径向弹性形变量的径向限位间隙。
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EP0163980A1 (de) * 1984-05-29 1985-12-11 Boge A.G. Elastisches Gelenk, Kupplung oder dergleichen
EP0429757A1 (de) * 1989-11-27 1991-06-05 WEBER-HYDRAULIK GmbH Gelenkverbindung zwischen dem Kippzylinder und dem kippbaren Fahrerhaus eines Lastkraftwagens
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CN101020404A (zh) * 2007-02-15 2007-08-22 陈清欣 接头及支承销总成
CN101592205A (zh) * 2009-06-23 2009-12-02 陈清欣 扭力接头及支承销总成
CN201432562Y (zh) * 2009-06-23 2010-03-31 陈清欣 扭力接头及支承销总成

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GB637901A (en) * 1948-03-23 1950-05-31 Silentbloc Improvements in or relating to self-aligning joints or bearings
US4034996A (en) * 1975-10-08 1977-07-12 Saitamakiki Co., Ltd. Ball joint for torque rod
EP0163980A1 (de) * 1984-05-29 1985-12-11 Boge A.G. Elastisches Gelenk, Kupplung oder dergleichen
EP0429757A1 (de) * 1989-11-27 1991-06-05 WEBER-HYDRAULIK GmbH Gelenkverbindung zwischen dem Kippzylinder und dem kippbaren Fahrerhaus eines Lastkraftwagens
EP0487458A1 (en) * 1990-11-21 1992-05-27 The Pullman Company Elastomeric bushing assembly for torque rod
CN1706678A (zh) * 2004-06-09 2005-12-14 王加宏 汽车反作用杆接头总成
DE102005028548A1 (de) * 2004-06-21 2006-02-09 The Pullman Co., Milan Drehmomentgelenkhebel mit Elastomeraufnahme
CN2816459Y (zh) * 2005-07-22 2006-09-13 倪金宽 复合球形万向接头总成
CN101020404A (zh) * 2007-02-15 2007-08-22 陈清欣 接头及支承销总成
CN101592205A (zh) * 2009-06-23 2009-12-02 陈清欣 扭力接头及支承销总成
CN201432562Y (zh) * 2009-06-23 2010-03-31 陈清欣 扭力接头及支承销总成

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