WO2021212828A1 - 一种抗弯鱼鳍全悬浮车桥 - Google Patents

一种抗弯鱼鳍全悬浮车桥 Download PDF

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WO2021212828A1
WO2021212828A1 PCT/CN2020/131421 CN2020131421W WO2021212828A1 WO 2021212828 A1 WO2021212828 A1 WO 2021212828A1 CN 2020131421 W CN2020131421 W CN 2020131421W WO 2021212828 A1 WO2021212828 A1 WO 2021212828A1
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axle
axle housing
full suspension
bearings
fin
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PCT/CN2020/131421
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English (en)
French (fr)
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连广锋
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徐州鸿润达电动车有限公司
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Publication of WO2021212828A1 publication Critical patent/WO2021212828A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/12—Torque-transmitting axles
    • B60B35/14—Torque-transmitting axles composite or split, e.g. half- axles; Couplings between axle parts or sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/12—Torque-transmitting axles
    • B60B35/16—Axle housings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/12—Torque-transmitting axles
    • B60B35/18—Arrangement of bearings

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  • the utility model relates to the technical field of electric tricycles, in particular to a full suspension axle with anti-bending fins.
  • the Chinese patent library discloses a full suspension rear axle device for motorcycles, the publication number is CN 203282971 U. It uses a full suspension rear axle and adopts a double bearing structure. Although this double bearing structure can reduce its damage, However, the arrangement of the two bearings is close to each other, and there will be a certain degree of interaction between the two bearings in the actual use process, and because there is no gap between them, it is effective in the storage and heat dissipation of lubricating oil. Also lower
  • the Chinese patent library also discloses a fully suspended semi-axle rear axle with the publication number CN 204955927 U, which discloses a solution to set an isolation bush between the double bearing structure, and this structure is compared with the publication number CN
  • the structure of 203282971 U improves the effect of the bearing; however, it uses a retaining ring for the axial limit of the bearing. Because the strength of the retaining ring is not as strong as the fixing form of the bolt, it is in the axial limit. The strength of the bearing is relatively low, and the bearing is easy to disassemble when the shaft is subjected to a strong impact;
  • the purpose of the present utility model is to provide an anti-bending fish-fin full suspension axle, which can effectively improve the impact deformation capacity of the axle housing, and at the same time increase the strength of the bearing support and ensure the stability of the shaft.
  • the present utility model adopts the following technical solutions:
  • the utility model provides an anti-bending fish fin full suspension vehicle axle, which comprises an axle housing. Two suspension type half shafts are arranged in the axle housing. A full suspension brake hub and a brake assembly are installed at both ends of the axle housing. , The full suspension brake hub is rotatably connected with the axle housing through two parallel bearings;
  • Anti-bending fins are fixed in the middle of the axle housing
  • the spacer is composed of two disc springs combined in pairs, and the disc springs are pressed against the inner rings of the two bearings located at the same end of the axle housing
  • both ends of the axle housing are respectively fixed with a shaft head
  • the bearing is nested on the shaft head
  • the full suspension brake hub is nested on the outer ring of the bearing
  • the full A spacer ring is arranged on the inner wall of the suspension brake hub in contact with the bearing, and the outer rings of the two bearings located on the same shaft head are pressed against both sides of the spacer ring.
  • the shaft head is threadedly equipped with a locking wire ring, and the locking wire ring is pressed against the inner ring of the bearing away from the shaft head.
  • the full suspension brake hub is further provided with a circlip groove, and a circlip retaining ring is arranged in the circlip groove, and the circlip retaining ring abuts against the outer ring of the bearing away from the shaft head.
  • a mounting disk is fixed at one end of the suspension type half shaft, and the mounting disk is fixedly connected to the full suspension brake hub by a bolt.
  • the anti-bending fin is a steel plate with a thickness of 12 mm.
  • the beneficial effect of the utility model is that by fixing the anti-bending fins on the outside of the axle housing, the utility model further improves the supporting strength of the axle housing from the outside, so that the anti-bending fins can lift up when the axle housing is deformed by force.
  • the bearing of the utility model adopts a double-bearing spacing arrangement, and a locking wire ring is used to limit the bearing to ensure the axial limit of the bearing.
  • the disc spring is arranged in the gap.
  • the disc spring is used. Acting on the inner ring of the bearing and matching with the spacer ring acting on the outer ring of the bearing to ensure the existence of the gap.
  • the axial force generated by the disc spring acts on the locking wire ring to make the locking wire ring tight. There is an axial force at the same time of locking, which will produce the effect of anti-loosening, and avoid the loosening of the locking wire after long-term use, which will affect the axial limit of the bearing;
  • Fig. 1 is a schematic structural diagram of an anti-bending fish-fin full suspension axle provided by an embodiment of the utility model
  • Figure 2 is a partial cross-sectional view of Figure 1;
  • Fig. 3 is a partial schematic diagram of Fig. 2;
  • Fig. 4 is an enlarged view of part A in Fig. 3.
  • the present utility model provides an anti-bending fish-fin full suspension vehicle axle, which includes an axle housing 10 in which two suspended semi-axles 1 are arranged, and both ends of the axle housing 10 A full-suspension brake hub 2 and a brake assembly 4 are installed (the brake hub and brake always become an existing structure), and the full-suspension brake hub 2 is rotatably connected to the axle housing 10 through two parallel bearings 7;
  • An anti-bending fin 9 is fixed in the middle of the axle housing 10; the anti-bending fin 9 is a steel plate with a thickness of 12 mm, and the anti-bending fin 9 is welded to the axle housing 10.
  • the spacer is composed of two disc springs 6 that are assembled in pairs, and the disc springs 6 are pressed against the inner rings of the two bearings 7 at the same end of the axle housing 10. .
  • an axle head 5 is fixed at both ends of the axle housing 10, and the axle head 5 is welded to both ends of the axle housing 10, and the bearing 7 is nested on the axle head 5, so
  • the full suspension brake hub 2 is nested on the outer ring of the bearing 7.
  • a spacer ring 21 is provided on the inner wall of the full suspension brake hub 2 in contact with the bearing 7, which is located on the same shaft head 5.
  • the outer rings of the upper two bearings 7 abut on both sides of the spacer ring 21;
  • the shaft head 5 is threaded with a locking wire ring 3 which is pressed against the inner ring of the bearing 7 away from the shaft head 5.
  • the full suspension brake hub 2 is also provided with a circlip groove, in which a circlip retaining ring 8 is arranged, and the circlip retaining ring 8 is used to abut the outer ring of the bearing 7;
  • the disc spring 6 is pressed against the inner ring of the bearing 7, and the inner rings of the two bearings 7 are axially limited by the locking wire ring 3 and the upper shaft shoulder on the shaft head, and the disc spring 6 does not generate additional axial force on the bearing 7 itself, and furthermore does not add the axial force generated by the disc spring 6 to the full suspension brake hub 2.
  • the bearing 7 is axially limited by the locking wire ring 3
  • the fully-suspended brake hub 2 is axially limited by the spacer ring 21, and one end of the suspended semi-shaft 1 is fixed with a mounting disc 11,
  • the mounting plate 11 is fixedly connected to the full suspension brake hub 2 by bolts, and finally the suspension type half shaft 1 and the full suspension brake hub 2 are fixed, and the suspension type half shaft 1 penetrates into the middle of the axle housing 10 and is connected to the transmission mechanism, thereby driving Full suspension brakes the rotation of the hub 2.
  • the distance between the two ends where it is attached to the two bearings 7 It should be greater than the thickness of the spacer ring 21 (ie h in FIG. 4), so that the disc spring 6 has a space for deformation.
  • the specific elastic force generated by the disc spring 6 after being compressed is not limited in this application, and can be based on actual The production needs to choose a reasonable elastic force to prevent loosening; after installing the two bearings 7, you can use the existence of the gap to fill them with grease or lubricating oil.
  • the anti-bending fin 9 can refer to Figure 1 and Figure 2. , Make its shape adapt to the outer shape of the axle housing 10, and then fix it by welding.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

一种抗弯鱼鳍全悬浮车桥，包括桥壳（10），所述桥壳（10）内设置两个悬浮式半轴（1），所述桥壳（10）的两端安装有全悬浮制动轮毂（2）和制动器总成（4），所述全悬浮制动轮毂（2）通过两个并列的轴承（7）与桥壳（10）转动连接；所述桥壳（10）的中部固定有抗弯鱼鳍（9）；位于所述桥壳（10）同一端的两个轴承（7）之间具有间隙，该间隙内设置有间隔体；所述间隔体由两个对合组合在一起的碟形弹簧（6）组成，所述碟形弹簧（6）抵紧在位于所述桥壳（10）同一端的两个轴承（7）的内圈上。所述车桥能够有效的提高桥壳冲击变形能力，同时提高轴承的支撑的强度，保证轴的稳定。

Description

一种抗弯鱼鳍全悬浮车桥 技术领域
本实用新型涉及电动三轮车技术领域，具体为一种抗弯鱼鳍全悬浮车桥。
背景技术
在农村地区电动三轮车的使用也越来越多，受于道路的原因，其颠簸程度较高，特别是在山区，车辆在行驶中，严重的话可以出现轴的断裂，另外现有的一些车辆基本都是采用单轴承结构，在形式过程中，对轴承的冲击也较大。
中国专利库中公开了一种摩托车全悬浮后桥装置，公开号为CN 203282971 U，其采用了全悬浮式的后桥，并采用双轴承结构，虽然这种双轴承结构能够降低其损坏，但是其两个轴承的布置方式是紧贴一起，在实际使用的过程中两个轴承之间会存在一定程度上的相互作用，并且由于其之间没有间隙，在润滑油的储存和散热上效果也较低；
中国专利库中还公开了一种全悬浮半轴后桥，公开号为CN 204955927 U，其内公开在双轴承结构之间设置隔离衬套的方案，而这种结构相较于公开号为CN 203282971 U的结构来说，则提高了轴承的作用效果；但是其在轴承的轴向限位上是采用的挡圈，由于挡圈的强度并不如螺栓的固定形式，其在轴向限位上的强度相对较低，在轴受到强烈的冲击时，轴承很容易解体；
另外虽然上述两个专利都在一定程度上提高了轴的支撑强度，但其考虑范围也仅仅是在轮毂处和桥壳的内部，对于整个车桥的强度提高来说，桥壳也起到至关重要的作用，桥壳本身的强度的提高也能大大提高整体的支撑强度。
实用新型内容
针对上述存在的技术不足，本实用新型的目的是提供一种抗弯鱼鳍全悬浮车桥，能够有效的提高桥壳冲击变形能力，同时提高轴承的支撑的强度，保证轴的稳定。
为解决上述技术问题，本实用新型采用如下技术方案：
本实用新型提供一种抗弯鱼鳍全悬浮车桥，包括桥壳，所述桥壳内设置两个悬浮式半轴，所述桥壳的两端安装有全悬浮制动轮毂和制动器总成，所述全悬浮制动轮毂通过两个并列的轴承与桥壳转动连接；
所述桥壳的中部固定有抗弯鱼鳍；
位于所述桥壳同一端的两个轴承之间具有间隙，该间隙内设置有间隔体；
所述间隔体由两个对合组合在一起的碟形弹簧组成，所述碟形弹簧抵紧在位于所述桥壳同一端的两个轴承的内圈上
优选地，所述桥壳的两端分别固定有一个轴头，所述轴承嵌套在所述轴头上，所述全悬浮制动轮毂嵌套在所述轴承的外圈上，所述全悬浮制动轮毂与所述轴承接触的内壁上设置有隔环，位于同一个所述轴头上的两个轴承的外圈抵紧在所述隔环的两侧。
优选地，所述轴头上螺纹装配有锁紧丝圈，所述锁紧丝圈抵紧在远离轴头的轴承的内圈上。
优选地，所述全悬浮制动轮毂上还开设有卡簧槽，所述卡簧槽内设置有卡簧挡圈，所述卡簧挡圈抵紧在远离轴头的轴承的外圈上。
优选地，所述悬浮式半轴的一端固定有安装盘，所述安装盘通过螺栓与全悬浮制动轮毂固定连接。
优选地，所述抗弯鱼鳍为厚度12mm的钢板。
本实用新型的有益效果在于：本实用新型通过在桥壳的外部固定抗弯鱼鳍，进而从外部提高了桥壳的支撑强度，使得桥壳的在受力变形时，抗弯鱼鳍 能够起到保护作用；
另外本实用新型的轴承采用双轴承间隔式的设置，并采用锁紧丝圈对轴承进行限位，保证了轴承的轴向限制，同时利用在间隙内设置碟形弹簧，一方面利用碟形弹簧作用在轴承的内圈上，与作用在轴承外圈上的隔环相配合，保证间隙的存在，另一方面利用碟形弹簧产生的轴向力作用在锁紧丝圈，使得锁紧丝圈锁紧的同时存在轴向力，进而产生防松的效果，避免长期使用后锁紧丝圈产生松动进而影响轴承的轴向限位；
此外由于碟形弹簧产生的轴向力是作用在轴承的内圈上，因此其也不会额外增加轴承本身承受的轴向力，进而也不会影响轴承对全悬浮制动轮毂的限制作用。
附图说明
为了更清楚地说明本实用新型实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本实用新型实施例提供的一种抗弯鱼鳍全悬浮车桥的结构示意图；
图2为图1的部分剖视图；
图3为图2的局部示意图；
图4为图3中A部的放大图。
附图标记说明：1-悬浮式半轴、11-安装盘、2-全悬浮制动轮毂、21-隔环、3-锁紧丝圈、4-制动器总成、5-轴头、6-碟形弹簧、7-轴承、8-卡簧挡圈、9-抗弯鱼鳍、10-桥壳。
具体实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方 案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。
实施例：
如图1所示，本实用新型提供了一种抗弯鱼鳍全悬浮车桥，包括桥壳10，所述桥壳10内设置两个悬浮式半轴1，所述桥壳10的两端安装有全悬浮制动轮毂2和制动器总成4(制动轮毂和制动器总成为现有结构)，所述全悬浮制动轮毂2通过两个并列的轴承7与桥壳10转动连接；
所述桥壳10的中部固定有抗弯鱼鳍9；抗弯鱼鳍9为厚度12mm的钢板，抗弯鱼鳍9焊接在桥壳10上。
位于所述桥壳10同一端的两个轴承7之间具有间隙，该间隙内设置有间隔体；
如图4所示，所述间隔体由两个对合组合在一起的碟形弹簧6组成，所述碟形弹簧6抵紧在位于所述桥壳10同一端的两个轴承7的内圈上。
进一步的，结合图3，所述桥壳10的两端分别固定有一个轴头5，轴头5焊接在桥壳10的两端，所述轴承7嵌套在所述轴头5上，所述全悬浮制动轮毂2嵌套在所述轴承7的外圈上，所述全悬浮制动轮毂2与所述轴承7接触的内壁上设置有隔环21，位于同一个所述轴头5上的两个轴承7的外圈抵紧在所述隔环21的两侧；
最终两个轴承7之间具有间隙通过全悬浮制动轮毂2上的隔环21和两个碟形弹簧6形成。
为了实现轴承7的轴向限位，轴头5上螺纹装配有锁紧丝圈3，所述锁紧丝圈3抵紧在远离轴头5的轴承7的内圈上，进一步的还可在全悬浮制动轮毂2上还开设一个卡簧槽，在其内设置卡簧挡圈8，利用卡簧挡圈8抵紧在轴承7的外圈上；
两个轴承7之间的间隙内的碟形弹簧6，在锁紧丝圈3锁紧后，两个轴承7的外圈抵紧在隔环21上，而两个轴承7的内圈则抵紧在对合在一起的碟形弹簧6上，进而利用碟形弹簧6产生轴向作用力，进而作用到锁紧丝圈3上，使得锁紧丝圈3产生轴向的受力，进而起到防松作用，同时由于碟形弹簧6抵紧在轴承7的内圈，并且两个轴承7的内圈通过锁紧丝圈3和轴头上轴肩形成轴向限位，进而碟形弹簧6并不会对轴承7本身产生额外的轴向力，进而也不会将碟形弹簧6产生的轴向力附加到全悬浮制动轮毂2。
结合图3和图4，轴承7通过锁紧丝圈3实现轴向限位，全悬浮制动轮毂2通过隔环21实现轴向限位，悬浮式半轴1的一端固定有安装盘11，安装盘11通过螺栓与全悬浮制动轮毂2固定连接，最终悬浮式半轴1与全悬浮制动轮毂2实现固定，悬浮式半轴1深入到桥壳10的中部与传动机构相连，进而带动全悬浮制动轮毂2的转动。
使用时，在实际安装的过程中，为了使得碟形弹簧6产生轴向力，当两个碟形弹簧6对合在一起，其与两个轴承7贴合的两个端部之间的距离要大于隔环21的厚度(即图4中h)，以使得碟形弹簧6具有形变的空间，另外对于碟形弹簧6被压缩后产生具体的弹力，本申请不做限定，可根据实际的生产需求去选择合理的弹力进行防松；在安装两个轴承7后，可利用间隙的存在，在其内加注润滑脂或者润滑油，抗弯鱼鳍9可参照图1和图2所示，使其外形适应桥壳10的外部形状，然后在通过焊接的方式进行固定。
此外在图1和图2中，我们给出了部分的尺寸参考，其中部分尺寸采用字母代替主要是为了体现该车桥的长度参数可变，即在此可根据需求合理选择这些字母的具体数值。
显然，本领域的技术人员可以对本实用新型进行各种改动和变型而不脱离本实用新型的精神和范围。这样，倘若本实用新型的这些修改和变型属于本实用新型权利要求及其等同技术的范围之内，则本实用新型也意图包含这些改动和变型在内。

Claims (6)

  1. 一种抗弯鱼鳍全悬浮车桥，包括桥壳，所述桥壳内设置两个悬浮式半轴，所述桥壳的两端安装有全悬浮制动轮毂和制动器总成，所述全悬浮制动轮毂通过两个并列的轴承与桥壳转动连接；其特征在于：
    所述桥壳的中部固定有抗弯鱼鳍；
    位于所述桥壳同一端的两个轴承之间具有间隙，该间隙内设置有间隔体；
    所述间隔体由两个对合组合在一起的碟形弹簧组成，所述碟形弹簧抵紧在位于所述桥壳同一端的两个轴承的内圈上。
  2. 如权利要求1所述的一种抗弯鱼鳍全悬浮车桥，其特征在于，所述桥壳的两端分别固定有一个轴头，所述轴承嵌套在所述轴头上，所述全悬浮制动轮毂嵌套在所述轴承的外圈上，所述全悬浮制动轮毂与所述轴承接触的内壁上设置有隔环，位于同一个所述轴头上的两个轴承的外圈抵紧在所述隔环的两侧。
  3. 如权利要求2所述的一种抗弯鱼鳍全悬浮车桥，其特征在于，所述轴头上螺纹装配有锁紧丝圈，所述锁紧丝圈抵紧在远离轴头的轴承的内圈上。
  4. 如权利要求3所述的一种抗弯鱼鳍全悬浮车桥，其特征在于，所述全悬浮制动轮毂上还开设有卡簧槽，所述卡簧槽内设置有卡簧挡圈，所述卡簧挡圈抵紧在远离轴头的轴承的外圈上。
  5. 如权利要求2-4任一项所述的一种抗弯鱼鳍全悬浮车桥，其特征在于，所述悬浮式半轴的一端固定有安装盘，所述安装盘通过螺栓与全悬浮制动轮毂固定连接。
  6. 如权利要求5所述的一种抗弯鱼鳍全悬浮车桥，其特征在于，所述抗弯鱼鳍为厚度12mm的钢板。
PCT/CN2020/131421 2020-04-20 2020-11-25 一种抗弯鱼鳍全悬浮车桥 WO2021212828A1 (zh)

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US4351407A (en) * 1979-12-21 1982-09-28 Dana Corporation Axle drive assembly
US4986608A (en) * 1988-07-27 1991-01-22 Dana Corporation High torque capacity axle shaft
CN2574921Y (zh) * 2002-07-26 2003-09-24 山东潍坊拖拉机厂集团有限公司 全浮式半轴总成
CN201224303Y (zh) * 2008-06-03 2009-04-22 赵广会 低合金铸钢汽车桥壳
CN201566421U (zh) * 2009-08-13 2010-09-01 张金文 加强型铸钢载重汽车车桥
CN204955927U (zh) * 2015-08-18 2016-01-13 重庆动霸科技有限公司 全悬浮半轴后桥
JP2017003012A (ja) * 2015-06-11 2017-01-05 株式会社ジェイテクト 車輪用転がり軸受

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4351407A (en) * 1979-12-21 1982-09-28 Dana Corporation Axle drive assembly
US4986608A (en) * 1988-07-27 1991-01-22 Dana Corporation High torque capacity axle shaft
CN2574921Y (zh) * 2002-07-26 2003-09-24 山东潍坊拖拉机厂集团有限公司 全浮式半轴总成
CN201224303Y (zh) * 2008-06-03 2009-04-22 赵广会 低合金铸钢汽车桥壳
CN201566421U (zh) * 2009-08-13 2010-09-01 张金文 加强型铸钢载重汽车车桥
JP2017003012A (ja) * 2015-06-11 2017-01-05 株式会社ジェイテクト 車輪用転がり軸受
CN204955927U (zh) * 2015-08-18 2016-01-13 重庆动霸科技有限公司 全悬浮半轴后桥

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