CN110319122A - The dedicated coupling mechanism force of constant velocity cardan joint assembly can adjust separate type Full connected bearing spider - Google Patents
The dedicated coupling mechanism force of constant velocity cardan joint assembly can adjust separate type Full connected bearing spider Download PDFInfo
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- CN110319122A CN110319122A CN201810267169.1A CN201810267169A CN110319122A CN 110319122 A CN110319122 A CN 110319122A CN 201810267169 A CN201810267169 A CN 201810267169A CN 110319122 A CN110319122 A CN 110319122A
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- 230000008878 coupling Effects 0.000 title claims 11
- 238000010168 coupling process Methods 0.000 title claims 11
- 238000005859 coupling reaction Methods 0.000 title claims 11
- 241000239290 Araneae Species 0.000 title claims 10
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 53
- 239000004945 silicone rubber Substances 0.000 claims abstract description 42
- 230000013011 mating Effects 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000010960 cold rolled steel Substances 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims 1
- 238000005266 casting Methods 0.000 claims 1
- 210000004907 gland Anatomy 0.000 abstract description 19
- 230000006835 compression Effects 0.000 abstract description 8
- 238000007906 compression Methods 0.000 abstract description 8
- 230000002159 abnormal effect Effects 0.000 abstract description 5
- 230000000007 visual effect Effects 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Support Of The Bearing (AREA)
Abstract
本发明的名称为等速万向节总成专用锁紧力可调整分离式全接触轴承支座。属于汽车等速万向节总成技术领域。它主要是解决现有的分离式轴承支座存在轴承径向受力不均，易造成轴承外圈破裂或轴承滚道异常磨损而早期失效，最终导致等速万向节总成的使用寿命不能满足车辆使用要求的问题。它的主要特征是：包括轴承支座、上压盖、硅橡胶垫圈和紧固法兰螺钉；硅橡胶垫圈设置在上压盖与轴承支座的配合面之间；在紧固螺钉时，可根据硅橡胶垫圈受压变形量范围30～70%来调控并判定轴承的压紧程度，实现对轴承压紧力的可目视控制，提高轴承支座的合理性与可靠性，进而大幅提高等速万向节及其总成的使用寿命。本发明主要用于右等速万向节总成的辅助支撑。
The name of the present invention is a separate full-contact bearing support with adjustable locking force for constant velocity universal joint assembly. It belongs to the technical field of automobile constant velocity universal joint assembly. It is mainly to solve the problem of uneven bearing radial force in the existing separate bearing support, which may easily cause the outer ring of the bearing to break or the abnormal wear of the bearing raceway to cause early failure, and eventually lead to the service life of the constant velocity universal joint assembly. Problems with meeting vehicle usage requirements. Its main features are: including bearing support, upper gland, silicone rubber gasket and fastening flange screws; the silicone rubber gasket is arranged between the mating surface of the upper gland and the bearing support; when tightening the screw, it can be According to the range of 30-70% compression deformation of the silicone rubber gasket, the compression degree of the bearing is adjusted and judged, so as to realize the visual control of the bearing compression force, improve the rationality and reliability of the bearing support, and greatly improve the etc. The service life of the speed universal joint and its assembly. The invention is mainly used for the auxiliary support of the right constant velocity universal joint assembly.
Description
技术领域technical field
本发明属于汽车等速万向节总成技术领域。具体涉及一种汽车等速万向节总成专用锁紧力可调整分离式全接触轴承支座。The invention belongs to the technical field of automobile constant velocity universal joint assembly. In particular, it relates to a separate full-contact bearing support with adjustable locking force for an automobile constant velocity universal joint assembly.
背景技术Background technique
等速万向节总成作为轿车传动系统中的关键部件，市场上实际应用结构类型很多，一般通过中间轴将两个不同类型的万向节组合为等速万向节总成连接在变速箱与轮毂之间，以实现将发动机的扭矩平稳可靠地传输到车轮的主要目的。随着市场上中高档车和豪华车的销量持续上升，轿车车型追求大排量、大空间也成了当前各主机厂家的发展主流方向，因此，轿车重量不断增加，轮距越来越大。在轿车轮距较大的车型底盘设计布置中，为了提高传动系统的弯曲刚度，改善传动系统弯曲振动特性，减小或降低振动与噪声，通常会在跨距较大的右等速万向节总成上，增加轴承支座辅助支撑。轴承支座早期大多在外资或合资车企生产的中高排量SUV或MPV车型采用，其提高传动系统的稳定性改善NVH性能作用在逐步得到了市场的认可后，现在已经普及到被各自主品牌车型广泛采用。The constant velocity universal joint assembly is a key component in the car transmission system. There are many types of practical application structures in the market. Generally, two different types of universal joints are combined into a constant velocity universal joint assembly connected to the gearbox through an intermediate shaft. Between the hub and the hub to achieve the main purpose of smoothly and reliably transmitting the torque of the engine to the wheels. As the sales of mid-to-high-end cars and luxury cars continue to rise in the market, the pursuit of large displacement and large space for sedan models has become the mainstream development direction of various OEMs. Therefore, the weight of cars continues to increase and the wheelbase is getting larger and larger. In the design and layout of the chassis of a car with a large wheelbase, in order to increase the bending stiffness of the transmission system, improve the bending vibration characteristics of the transmission system, and reduce or reduce vibration and noise, the right constant velocity universal joint with a large span is usually used In the assembly, the auxiliary support of the bearing support is added. In the early days, bearing supports were mostly used in medium and high-displacement SUV or MPV models produced by foreign-funded or joint venture car companies. After gradually being recognized by the market, they have been widely used by their own brands to improve the stability of the transmission system and improve NVH performance. Models are widely used.
目前市场上使用的轴承支座形状表现是多样的，但是，按照轴承支座的设计结构，可以归纳为整体式、组合式和分离式3种类型，如果按照轴承的配合方式又可以归纳为全接触和非全接触2种类型。综合起来，市场上轴承支座的结构类型为：整体式有轴承非全接触/间隙配合、轴承全接触/过盈配合和轴承非全接触/螺钉单点压紧配合3种，组合式有普通轴承座套轴承全接触/过盈配合和注胶轴承座套轴承全接触/过盈配合2种，分离式有球面轴承全接触/压紧配合1种，共计6款结构。根据对市场反馈等速万向节总成质量问题信息统计的数据，轴承损坏或失效的质量问题约占故障问题的60%以上，是带轴承支座结构等速万向节总成的产品故障主要表现形式。通过综合分析，上述6款轴承支座结构均不同程度存在轴承径向受力不均，造成轴承外圈异常受力破裂或配合游隙变小导致轴承滚道异常磨损而早期失效的质量问题，另外，全接触式轴承支座与等速万向节总成压装一体，存在主机厂安装及市场维修拆卸困难问题，组合式轴承支座构成复杂、零件加工难度大，制造成本较高等问题。分离式结构是所有结构中设计最合理的，也存在轴承径向受力不均问题。总之，轴承早期破裂或磨损失效，最终导致等速万向节总成的使用寿命不能满足车辆的使用要求。The shape of the bearing support used in the market is diverse, but according to the design structure of the bearing support, it can be summarized into three types: integral type, combined type and separate type. There are two types of contact and non-full contact. To sum up, the structure types of bearing supports on the market are: integral type has bearing non-full contact/clearance fit, bearing full contact/interference fit and bearing non-full contact/screw single-point compression fit 3 types, combined type has ordinary There are two kinds of full contact/interference fit of bearing seat sleeves and full contact/interference fit of rubber injection bearing seat sleeves, and one type of full contact/press fit of spherical bearings for the separated type, with a total of 6 structures. According to the statistical data on the quality problems of constant velocity universal joint assemblies fed back by the market, the quality problems of bearing damage or failure account for more than 60% of the fault problems, which is the product failure of constant velocity universal joint assembly with bearing support structure main form of expression. Through comprehensive analysis, the above six bearing support structures all have quality problems such as uneven bearing radial force to varying degrees, resulting in abnormal force rupture of the outer ring of the bearing or reduction of fit clearance, which leads to abnormal wear of the bearing raceway and early failure quality problems. In addition, the full-contact bearing support and the constant velocity universal joint assembly are press-fitted together, and there are problems such as installation by the OEM and maintenance and disassembly in the market. The combined bearing support is complex in structure, difficult to process parts, and high in manufacturing costs. The split structure is the most reasonable design among all structures, and there is also the problem of uneven radial force on the bearing. In short, the early fracture or wear failure of the bearing eventually leads to the fact that the service life of the constant velocity universal joint assembly cannot meet the requirements of the vehicle.
发明内容Contents of the invention
本发明的目的就是针对上述不同结构轴承支座存在的问题或不足而提供一种等速万向节总成专用锁紧力可调整分离式全接触轴承支座。The purpose of the present invention is to provide a separate full-contact bearing support with adjustable locking force for the constant velocity universal joint assembly, aiming at the problems or deficiencies of the above-mentioned bearing supports of different structures.
本发明的技术解决方案是：一种等速万向节总成专用锁紧力可调整分离式全接触轴承支座，包括轴承支座、上压盖和紧固法兰螺钉，其特征在于：在所述上压盖与轴承支座配合面之间设置有硅橡胶垫圈。The technical solution of the present invention is: a special locking force adjustable separate full-contact bearing support for a constant velocity universal joint assembly, including a bearing support, an upper gland and fastening flange screws, characterized in that: A silicon rubber washer is arranged between the upper gland and the matching surface of the bearing support.
本发明的技术解决方案中所述的硅橡胶垫圈为硅橡胶O型圈。The silicone rubber gasket described in the technical solution of the present invention is a silicone rubber O-ring.
本发明的技术解决方案中所述的硅橡胶垫圈为截面为椭圆形的硅橡胶垫圈。The silicone rubber gasket described in the technical solution of the present invention is a silicone rubber gasket with an elliptical section.
本发明的技术解决方案中所述的硅橡胶垫圈为截面为矩形的硅橡胶垫圈。The silicon rubber gasket described in the technical solution of the present invention is a silicon rubber gasket with a rectangular section.
本发明的技术解决方案中所述的上压盖与轴承支座的配合面设有与硅橡胶垫圈外形配合的凹槽。The mating surface of the upper gland and the bearing support described in the technical solution of the present invention is provided with a groove matching the shape of the silicone rubber washer.
本发明的技术解决方案中所述的硅橡胶垫圈的截面厚度尺寸为2.5～4.0mm。The section thickness of the silicon rubber gasket described in the technical solution of the present invention is 2.5-4.0 mm.
本发明的技术解决方案中所述的硅橡胶垫圈包括两个尺寸规格相同的硅橡胶垫圈。The silicone rubber gasket described in the technical solution of the present invention includes two silicone rubber gaskets with the same size and specification.
本发明的技术解决方案中所述的硅橡胶垫圈装配后的截面厚度尺寸为原截面厚度尺寸的30%～70%。The assembled section thickness of the silicon rubber gasket described in the technical solution of the present invention is 30% to 70% of the original section thickness.
本发明的技术解决方案中所述的轴承支座的材质为A380铸铝材料；上压盖的材质为DC01冷轧钢板材料，冲压成型。The material of the bearing support described in the technical solution of the present invention is A380 cast aluminum material; the material of the upper gland is DC01 cold-rolled steel plate material, which is stamped and formed.
本发明的技术解决方案中所述的凹槽的深度为硅橡胶垫圈在未受压状态下原截面厚度尺寸的5%～10%。The depth of the groove described in the technical solution of the present invention is 5% to 10% of the original section thickness of the silicone rubber gasket in an uncompressed state.
本发明由于在上压盖与轴承支座配合面之间增设有硅橡胶垫圈，因而在紧固法兰螺钉时，根据两个硅橡胶垫圈装配后的截面厚度尺寸为原截面厚度尺寸的30%～70%来调控并判定轴承的压紧程度，可实现对球面轴承的压紧力进行目视调控，改善球面轴承在轴承支座与上压盖之间的径向受力状态，有效消除了配合过紧问题，从根本上解决了因压紧力过大造成配合游隙变小导致轴承滚道异常磨损而早期失效的质量问题，提高了轴承支座的合理性与可靠性，进而大幅提高等速万向节及其总成的使用寿命。In the present invention, a silicone rubber gasket is added between the upper gland and the bearing support surface, so when the flange screws are fastened, the thickness of the section after the assembly of the two silicone gaskets is 30% of the original section thickness. ~70% to control and determine the degree of compression of the bearing, which can realize the visual control of the compression force of the spherical bearing, improve the radial force state of the spherical bearing between the bearing support and the upper gland, and effectively eliminate the The problem of over-tight fit fundamentally solves the quality problem of early failure due to abnormal wear of the bearing raceways due to the reduction of fit clearance due to excessive pressing force, improves the rationality and reliability of the bearing support, and greatly improves The service life of constant velocity joints and their assemblies.
附图说明Description of drawings
图1为本发明的结构示意图。Fig. 1 is a structural schematic diagram of the present invention.
图2为球面深沟球轴承的结构示意图。Figure 2 is a schematic structural view of a spherical deep groove ball bearing.
图3为螺钉拧紧前的硅橡胶O型圈原始状态示意图。Fig. 3 is a schematic diagram of the original state of the silicone rubber O-ring before the screw is tightened.
图4为螺钉拧紧后的硅橡胶O型圈受压变形程度状态示意图。Fig. 4 is a schematic diagram of the compression deformation state of the silicone rubber O-ring after the screw is tightened.
图5为轴承支座与等速万向节总成安装完成后的整体结构示意图。Fig. 5 is a schematic diagram of the overall structure after the installation of the bearing support and the constant velocity universal joint assembly is completed.
图中：1. 轴承支座；2. 硅橡胶O型圈；3. 上压盖；4. 紧固法兰螺钉；5. 球面深沟球轴承；6. 等速万向节总成。In the figure: 1. Bearing support; 2. Silicone rubber O-ring; 3. Upper gland; 4. Fastening flange screws; 5. Spherical deep groove ball bearing; 6. Constant velocity universal joint assembly.
具体实施方式Detailed ways
下面结合附图对本发明实施例作进一步详细说明。Embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.
本发明实施例1如图1至图5所示。锁紧力可调整的分离式全接触轴承支座由轴承支座1、上压盖3、两个硅橡胶O型圈2和两个紧固法兰螺钉4构成。其中，两个硅橡胶O型圈2分别位于上压盖3与轴承支座1之间的两个配合面上。两个硅橡胶O型圈2的尺寸规格相同，硅橡胶O型圈2原始状态的截面厚度尺寸为直径φ=2.5～4.0mm，外圆及内圆直径尺寸需要根据具体使用的紧固螺钉规格合理确定。硅橡胶O型圈2装配后的截面厚度尺寸为原截面厚度尺寸的30%～70%。轴承支座1采用铸铝材料制造，铸铝材料牌号一般为A380。上压盖3采用冷轧钢板冲压成型制造，冷轧钢板材料牌号一般为为DC01。Embodiment 1 of the present invention is shown in FIG. 1 to FIG. 5 . The separable full-contact bearing support with adjustable locking force is composed of a bearing support 1, an upper gland 3, two silicone rubber O-rings 2 and two fastening flange screws 4. Wherein, two silicone rubber O-rings 2 are respectively located on two mating surfaces between the upper gland 3 and the bearing support 1 . The size and specification of the two silicone rubber O-rings 2 are the same. The cross-sectional thickness of the original state of the silicone rubber O-ring 2 is diameter φ=2.5-4.0mm. reasonably certain. The assembled section thickness of the silicone rubber O-ring 2 is 30% to 70% of the original section thickness. The bearing support 1 is made of cast aluminum material, and the grade of the cast aluminum material is generally A380. The upper gland 3 is manufactured by stamping cold-rolled steel plate, and the material grade of cold-rolled steel plate is generally DC01.
完成球面深沟球轴承5与右驱动轴总成上的等速万向节总成6压装合体备用，球面深沟球轴承5适用于标准轴承系列，也适用于非标准轴承系列，一般为标准轴承系列。在主机厂总装车间的整车装配线工位上，本实施例1按照以下装配顺序依次操作：将轴承支座1按要求安装在汽车变速箱的指定位置，同时初步安装3个定位螺钉并预紧；将已压装好球面深沟球轴承5的驱动轴总成滑移端花键连接部分插入变速箱的差速器中并装配到位，再把球面深沟球轴承5的球面与轴承支座1的内球面吻合对好就位；然后按照图示依次将2个硅橡胶O型圈2、上压盖3、2个紧固法兰螺钉4装配到位，再次确认球面深沟球轴承5的球面与轴承支座1的内球面完全吻合后预紧2个紧固法兰螺钉4；在球面深沟球轴承5的“关节”调心作用下，使驱动轴处于适应安装角度的最佳安装状态，然后拧紧轴承支座1的3个定位螺钉，再最后拧紧2个紧固法兰螺钉4。拧紧的判定依据是以2个硅橡胶 O型圈2装配后的截面厚度尺寸H为装配前原截面厚度尺寸φ的30%～70%，如图3、图4所示。The spherical deep groove ball bearing 5 and the constant velocity universal joint assembly 6 on the right drive shaft assembly are press-fitted for standby. The spherical deep groove ball bearing 5 is suitable for standard bearing series and also for non-standard bearing series, generally Standard bearing series. On the station of the vehicle assembly line in the assembly workshop of the main engine factory, this embodiment 1 is operated in accordance with the following assembly sequence: install the bearing support 1 on the designated position of the automobile gearbox as required, and initially install and pre-tighten three positioning screws at the same time ;Insert the spline connection part of the slip end of the drive shaft assembly that has been press-fitted with the spherical deep groove ball bearing 5 into the differential of the gearbox and assemble it in place, and then connect the spherical surface of the spherical deep groove ball bearing 5 with the bearing support The inner spherical surface of 1 is aligned and in place; then, according to the diagram, assemble the 2 silicone rubber O-rings 2, the upper gland 3, and the 2 fastening flange screws 4 in place, and confirm the alignment of the spherical deep groove ball bearing 5 again. After the spherical surface completely matches the inner spherical surface of the bearing support 1, pre-tighten two fastening flange screws 4; under the action of the "joint" self-alignment of the spherical deep groove ball bearing 5, the drive shaft is in the best installation for the installation angle State, then tighten the 3 set screws of the bearing support 1, and finally tighten the 2 fastening flange screws 4. The basis for the judgment of tightening is that the cross-sectional thickness dimension H of the two silicone rubber O-rings 2 after assembly is 30% to 70% of the original cross-sectional thickness dimension φ before assembly, as shown in Figure 3 and Figure 4.
2个紧固法兰螺钉4压紧后，球面深沟球轴承5的外球面与轴承支座1、上压盖3的内球面处于全接触状态，此时，球面深沟球轴承5与轴承支座1、上压盖3处于过盈配合，但是在2个硅橡胶O型圈2的弹性调节下，压紧力得到了较好的调控，并且可以根据2个硅橡胶O型圈2受压变形量范围30～70%来实现对轴承压紧力的可目视控制，从而完全规避了轴承因压紧力过大造成配合游隙变小导致轴承滚道异常磨损而早期失效的质量问题，轴承支座1与等速万向节总成6安装完成后的整体结构如图5所示。After the two fastening flange screws 4 are pressed tightly, the outer spherical surface of the spherical deep groove ball bearing 5 is in full contact with the inner spherical surface of the bearing support 1 and the upper gland 3. At this time, the spherical deep groove ball bearing 5 and the bearing The support 1 and the upper gland 3 are in an interference fit, but under the elastic adjustment of the two silicone rubber O-rings 2, the pressing force is well regulated, and can be adjusted according to the pressure of the two silicone rubber O-rings 2. The range of compression deformation is 30-70% to achieve visual control of the bearing pressing force, thus completely avoiding the quality problem of early failure of the bearing due to excessive pressing force resulting in reduced fitting clearance and abnormal wear of the bearing raceway , the overall structure after the installation of the bearing support 1 and the constant velocity universal joint assembly 6 is shown in Figure 5 .
本发明实施例2与实施例1的不同在于，采用截面为椭圆形的硅橡胶垫圈来代替硅橡胶O型圈2，在轴承支座与上压盖的配合面上设有与椭圆形硅橡胶垫圈外形配合的椭圆形凹槽。椭圆形的硅橡胶垫圈为两个尺寸规格相同的椭圆形硅橡胶垫圈，左右各一个，对称分布。装配时将2个椭圆形硅橡胶垫圈上、下表面分别置于轴承支座与上压盖的椭圆形凹槽内，便于椭圆形硅橡胶垫圈的装配及压紧过程中变形均匀一致，使椭圆形硅橡胶垫圈的弹性调节达到最佳状态。The difference between Embodiment 2 and Embodiment 1 of the present invention is that the silicon rubber O-ring 2 is replaced by an oval silicon rubber washer in section, and an oval silicon rubber gasket is provided on the mating surface of the bearing support and the upper gland. Oval groove for the form fit of the gasket. The oval silicone rubber washers are two oval silicone rubber washers with the same size and specification, one on the left and one on the left, symmetrically distributed. When assembling, place the upper and lower surfaces of the two oval silicone rubber washers in the oval grooves of the bearing support and the upper gland respectively, so as to facilitate the assembly of the oval silicone rubber washers and uniform deformation during the pressing process, so that the oval The elastic adjustment of the shaped silicone rubber gasket is optimal.
本发明实施例3与实施例2的不同在于，采用截面为矩形的硅橡胶垫圈来代替椭圆形的硅橡胶垫圈，在轴承支座与上压盖的配合面上设置矩形凹槽来代替椭圆形凹槽，且轴承支座、上压盖的矩形凹槽深度为矩形硅橡胶垫圈在未受压状态下原截面厚度尺寸的5%～10%。The difference between embodiment 3 and embodiment 2 of the present invention is that a silicon rubber gasket with a rectangular cross section is used instead of an oval silicon rubber gasket, and a rectangular groove is provided on the mating surface of the bearing support and the upper gland instead of an oval shape. The groove, and the depth of the rectangular groove of the bearing support and the upper gland is 5% to 10% of the original section thickness of the rectangular silicone rubber gasket in the uncompressed state.
本发明可适用于目前国内外市场上所有的等速万向节类型与车型。The present invention is applicable to all constant velocity universal joint types and car models currently on the domestic and foreign markets.
上述具体实施案例仅仅对本发明的解释，其并不是本发明的限制，本领域技术人员在本发明的基础上可根据需要对上述实施案例做出没有创造性的修改，但只要在本发明的权利要求范围内都受到专利法的保护。The above-mentioned specific implementation cases are only explanations of the present invention, and they are not limitations of the present invention. Those skilled in the art can make no creative modifications to the above-mentioned implementation cases as needed on the basis of the present invention, but as long as the claims of the present invention are protected by patent law.
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| CN201810267169.1A CN110319122A (en) | 2018-03-28 | 2018-03-28 | The dedicated coupling mechanism force of constant velocity cardan joint assembly can adjust separate type Full connected bearing spider |
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| CN201810267169.1A CN110319122A (en) | 2018-03-28 | 2018-03-28 | The dedicated coupling mechanism force of constant velocity cardan joint assembly can adjust separate type Full connected bearing spider |
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| CN113153917A (en) * | 2021-04-08 | 2021-07-23 | 芜湖贝埃斯汽车部件有限公司 | Aluminum-clad iron bearing support |
| CN113339394A (en) * | 2021-05-18 | 2021-09-03 | 王润昭 | Novel universal ball head connecting piece of five metals |
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Application publication date: 20191011 |