WO2021143357A1 - 一种具有缓冲效果的电动车轮毂 - Google Patents

一种具有缓冲效果的电动车轮毂 Download PDF

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Publication number
WO2021143357A1
WO2021143357A1 PCT/CN2020/131387 CN2020131387W WO2021143357A1 WO 2021143357 A1 WO2021143357 A1 WO 2021143357A1 CN 2020131387 W CN2020131387 W CN 2020131387W WO 2021143357 A1 WO2021143357 A1 WO 2021143357A1
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Prior art keywords
plate
spoke
ring
rod
sleeve
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PCT/CN2020/131387
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English (en)
French (fr)
Inventor
张孝强
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徐州晓强轮毂科技有限公司
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Publication of WO2021143357A1 publication Critical patent/WO2021143357A1/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
    • B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
    • B60B3/14—Attaching disc body to hub ; Wheel adapters
    • B60B3/16—Attaching disc body to hub ; Wheel adapters by bolts or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B9/00—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces
    • B60B9/26—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces comprising resilient spokes
    • B60B9/28—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces comprising resilient spokes with telescopic action

Definitions

  • the utility model relates to the technical field of electric wheel hubs, more specifically, it relates to an electric wheel hub with a buffering effect.
  • the wheel hub is a cylindrical metal part with the inner profile of the tire supporting the tire and the center mounted on the shaft. Also called rim, steel rim, wheel, tire bell. There are many types of wheels according to the diameter, width, molding method, and material. At present, the shock-absorbing and compressive improvement structure of the electric wheel hub is carried out to improve the shock-absorbing effect of the overall structure.
  • the Chinese patent with the publication number CN209756637U discloses an electric wheel hub with a cushioning effect, which includes an outer hub ring, an inner hub ring arranged inside the outer hub ring, and several spokes arranged on the outer edge of the inner hub ring.
  • a connecting cylinder is arranged at the end of the spoke plate away from the inner hub ring, the end of the connecting cylinder away from the spoke plate is telescopically sleeved with a connecting sleeve, and the end of the connecting sleeve away from the connecting cylinder is fixed to the inner edge of the outer hub ring Connection;
  • the inner hub ring includes an inner fixed ring arranged in the middle of the hub and an outer connecting ring arranged on the outer edge of the inner fixed ring, the outer edge of the outer connecting ring is located between two adjacent spokes are arranged
  • There is a buffer support plate one end of the buffer support plate is connected with the outer edge of the outer connecting ring, and the other end is connected with the inner edge of the outer hub ring.
  • each spoke is fixed outside the inner hub ring. If the spoke is damaged after long-term use of the spoke, the user needs to replace the entire hub, which is a waste of cost.
  • the purpose of the utility model is to provide an electric wheel hub with a buffering effect, so as to achieve the purpose of timely replacement when the spoke plate is damaged.
  • An electric wheel hub with a cushioning effect comprising an outer hub ring, an inner hub ring arranged inside the outer hub ring, and a plurality of spokes arranged on the outer edge of the inner hub ring.
  • the inner hub ring includes an inner hub arranged in the middle of the hub.
  • the spoke plate is provided with a fixing member that limits the position of the spoke plate in the embedding groove.
  • one end of the spoke enters the connecting sleeve to play a buffer role.
  • the limit of the fixed part on the spoke is released, and the length of the spoke is adjusted at the same time.
  • the length of the spoke plate is reduced, and the user can remove the spoke plate from between the inner wheel hub ring and the outer wheel hub ring at this time, so that the spoke plate can be replaced in time when the spoke plate is damaged, and the cost is saved.
  • the fixing member includes a moving groove opened at one end of the spoke facing the embedding groove, the spoke slidingly connected to two clamping blocks in the moving groove, and the two clamping blocks are provided with oppositely extending blocks.
  • a threaded rod the two threaded rods are threadedly connected by a threaded sleeve, the threads on the two threaded rods are reverse threads, and the two clamping blocks are provided with a resisting rod on the side facing away from each other.
  • the abutment rod is threadedly connected to the clamping block, and the abutment rod is provided with a rubber pad at the end that abuts against the groove wall of the embedding groove.
  • the spoke plate includes a first plate and a second plate provided with a moving groove, and the opposite ends of the second plate and the first plate are respectively provided with a screw rod and a connecting cylinder threadedly connected with the screw rod.
  • the connecting cylinder is rotatably connected to the first plate, and the end of the first plate away from the second plate enters the connecting sleeve.
  • the screw rod when the connecting cylinder rotates to a desired position, the screw rod is provided with a limiting member that restricts the rotation of the connecting cylinder.
  • the limiting member includes a rotating sleeve threadedly connected to the screw rod, and one end of the rotating sleeve away from the screw rod is provided with a limiting sleeve threadedly connected to the outer wall of the connecting cylinder.
  • a connecting rod is penetrated between the two clamping blocks, and both ends of the connecting rod passing through the clamping block are threadedly connected with a limit block that conflicts with the outer side wall of the clamping block, and the connecting rod is located in the embedded block. Above the notch.
  • the utility model has the following beneficial effects: during the use of the hub, one end of the spoke enters the connecting sleeve to play a buffering effect, and when the spoke is damaged and needs to be replaced, the limit of the fixed part on the spoke is released, At the same time, adjust the length of the spoke plate to make the length of the spoke plate smaller. At this time, the user can remove the spoke plate from between the inner hub ring and the outer wheel hub ring to achieve the purpose of timely replacement when the spoke plate is damaged, saving cost.
  • Figure 1 is a schematic diagram of the structure of this embodiment
  • FIG. 2 is a schematic diagram of the structure of the embodiment for embodying the embedding groove
  • Fig. 3 is a schematic diagram of the structure of the present embodiment for embodying the compression spring.
  • An electric wheel hub with cushioning effect includes an outer hub ring 1, an inner hub ring 2 arranged inside the outer hub ring 1, and a number of spokes 21 arranged on the outer edge of the inner hub ring 2.
  • the inner hub ring 2 includes an inner fixing ring 22 arranged in the middle of the hub and an outer connecting ring 23 arranged on the outer edge of the inner fixing ring 22.
  • the outer connecting ring 23 is provided with an embedding groove 24 for embedding one end of each spoke plate 21.
  • the outer hub The inner edge of the ring 1 is provided with a connecting sleeve 241 for sliding in the end of the web 21 away from the outer connecting ring 23.
  • the connecting sleeve 241 is provided with a compression spring 242.
  • spoke plate 21 enters one end surface of the connecting sleeve 241.
  • the spoke plate 21 is a retractable plate, and the spoke plate 21 is provided with a restricting spoke plate 21 in the embedding groove 24 The fixed part in the inner position.
  • one end of the spoke plate 21 enters the connecting sleeve 241 to act as a buffer.
  • the limit of the fixed part on the spoke plate 21 is lifted and adjusted at the same time.
  • the length of the spoke plate 21 makes the length of the spoke plate 21 smaller.
  • the user can remove the spoke plate 21 from between the inner hub ring 2 and the outer hub ring 1, so that the spoke plate 21 can be replaced in time when the spoke plate 21 is damaged. The purpose of saving costs.
  • the fixing member includes a moving groove 25 opened at one end of the web 21 facing the embedding groove 24. Both ends of the moving groove 25 in the longitudinal direction do not extend beyond the two ends of the web 21, and the web 21 is moving
  • Two clamping blocks 251 are slidably connected in the groove 25.
  • the two clamping blocks 251 are provided with threaded rods 252 extending toward each other.
  • the two threaded rods 252 are threadedly connected by a threaded sleeve 253.
  • the threads on the two threaded rods 252 For the reverse thread, the two clamping blocks 251 are provided with a resisting rod 254 on the side facing away from each other.
  • the interference rod 254 is located on the side of the clamping block 251 away from the threaded rod 252.
  • the driving block 251 moves in the opposite direction or the opposite direction, thereby facilitating the interference rod 254 on the clamping block 251 and the embedding
  • the groove wall of the groove 24 conflicts, and then one end of the spoke plate 21 is fixed in the embedding groove 24.
  • the user uses the threaded sleeve 253 to make the two clamping blocks 251 face each other Moving in the direction, there is a gap between the resisting rod 254 and the groove wall of the embedding groove 24, which is convenient for the user to remove the web 21 from the embedding groove 24.
  • the clamping block 251 extends out of the slot of the insertion slot 24, and the threaded sleeve 253 also extends out of the slot of the insertion slot 24.
  • a connecting rod 27 is inserted between the two clamping blocks 251. Both ends of the connecting rod 27 passing through the clamping block 251 are threadedly connected to the clamping block 251.
  • the stop block 271 against which the outer side wall of 251 abuts, and the connecting rod 27 is located above the slot of the embedding slot 24. Rotate the limit block 271 to a position that conflicts with the outer side wall of the block 251. At this time, the two limit blocks 271 will restrict the two blocks 251 from moving in opposite directions.
  • the connecting rod 27 is located between the two blocks 251. A stopper that conflicts with the blocking block 251 is threadedly connected to the position between the two blocks. At this time, the stopper restricts the two clamping blocks 251 from moving in opposite directions.
  • the resisting rod 254 is threadedly connected to the block 251.
  • the position of the resisting rod 254 on the blocking block 251 is changed.
  • the length of the resisting rod 254 extending out of the block 251 is further adjusted, and the use range of the resisting rod 254 is increased.
  • a rubber pad 255 is provided at the end of the resisting rod 254 that is in contact with the groove wall of the insertion groove 24. The arrangement of the rubber pad 255 increases the frictional force between the resisting rod 254 and the groove wall of the insertion groove 24.
  • the web 21 includes a first plate 211 and a second plate 212 provided with a moving groove 25.
  • the opposite ends of the second plate 212 and the first plate 211 are respectively provided with a screw 26 and a screw 26.
  • Threaded connection barrel 261 the connection barrel 261 is rotatably connected to the first plate 211, the user can rotate the connection barrel 261 to change the connection position of the screw 26 and the connection barrel 261, thereby adjusting the first plate 211 and the second plate
  • the distance between 212 increases or decreases the overall length of the spoke plate 21, which is convenient for operation.
  • the end of the first plate 211 away from the second plate 212 enters the connecting sleeve 241.
  • the screw rod 26 is provided with a limiting member that restricts the rotation of the connecting cylinder 261.
  • the setting of the stopper fixes the position of the screw rod 26 on the connecting cylinder 261, so that the adjusted length of the web 21 is stable.
  • the limiting member includes a rotating sleeve 262 threadedly connected to the screw rod 26.
  • the end of the rotating sleeve 262 away from the screw rod 26 is provided with a limiting sleeve 263 threadedly connected to the outer wall of the connecting cylinder 261.
  • the screw 26 rotates to the desired position
  • the user rotates the rotating sleeve 262 so that the rotating sleeve 262 moves toward the connecting barrel 261 until the limiting sleeve 263 is threadedly connected to the outer wall of the connecting barrel 261.
  • the limiting sleeve The setting of 263 and the rotating sleeve 262 fixes the connection position of the screw rod 26 and the connecting cylinder 261, which is convenient for operation.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Dampers (AREA)

Abstract

一种具有缓冲效果的电动车轮毂，涉及电动车轮毂技术领域，能够在辐板（21）损坏时及时更换；外连接圈（23）上开设有供各个辐板（21）一端嵌入的嵌入槽（24），外轮毂圈（1）的内沿设有供辐板（21）远离外连接圈（23）一端滑入的连接套（241），连接套（241）内设有压缩弹簧（242），压缩弹簧（242）的一端固定在连接套（241）内，另一端抵触在辐板（21）进入连接套（241）的一端端面，辐板（21）为可伸缩板，辐板（21）上设有限制辐板（21）在嵌入槽（24）内位置的固定件。

Description

一种具有缓冲效果的电动车轮毂 技术领域
本实用新型涉及电动车轮毂技术领域，更具体地说，它涉及一种具有缓冲效果的电动车轮毂。
背景技术
轮毂是轮胎内廓支撑轮胎的圆桶形的、中心装在轴上的金属部件。又叫轮圈、钢圈、轱辘、胎铃。轮毂根据直径、宽度、成型方式、材料不同种类繁多。目前对电动车轮毂进行减震抗压改进结构，提高整体结构的减震效果。
公告号为CN209756637U的中国专利公开了一种具有缓冲效果的电动车轮毂，包括外轮毂圈、布置在外轮毂圈内部的内轮毂圈以及布置在内轮毂圈外沿的若干个辐板，每个所述辐板远离内轮毂圈的一端均布置有连接筒，所述连接筒远离辐板的一端可伸缩地套设有连接套，所述连接套远离连接筒的一端与外轮毂圈的内沿固定连接；所述内轮毂圈包括设置于轮毂中部的内固定圈和布置在内固定圈外沿的外连接圈，所述外连接圈的外沿位于相邻两个辐板之间的位置均布置有缓冲支撑板，所述缓冲支撑板的一端与外连接圈的外沿连接，另一端与外轮毂圈的内沿连接。
但是每个辐板固定在内轮毂圈外，在长期使用辐板后若损坏辐板，使用者需要更换整个轮毂，浪费成本。
实用新型内容
本实用新型的目的是提供一种具有缓冲效果的电动车轮毂，达到在辐板损坏时能够及时更换的目的。
本实用新型的上述技术目的是通过以下技术方案得以实现的：
一种具有缓冲效果的电动车轮毂，包括外轮毂圈、布置在外轮毂圈内部的内轮毂圈以及设置在内轮毂圈外沿的若干个辐板，所述内轮毂圈包括设置于轮毂中部的内固定圈和设置在内固定圈外沿的外连接圈，所述外连接圈上开设有供各个辐板一端嵌入的嵌入槽，所述外轮毂圈的内沿设有供辐板远离外连接圈一端滑入的连接套，所述连接套内设有压缩弹簧，所述压缩弹簧的一端固定在连接套内，另一端抵触在辐板进入连接套的一端端面，所述辐板为可伸缩板，所述辐板上设有限制辐板在嵌入槽内位置的固定件。
通过采用上述技术方案，在轮毂使用的过程中，辐板一端进入连接套内起到缓冲作用，当辐板损坏需要更换时，解除固定件对辐板的限位，同时调节辐板的长度，使得辐板的长度变小，此时使用者即可将辐板从内轮毂圈和外轮毂圈之间拆下，达到在辐板损坏时能够及时更换的目的，节约成本。
优选地：所述固定件包括开设在辐板朝向嵌入槽一端的移动槽，所述辐板在移动槽内滑移连接有两块卡块，两根所述卡块上均设有相向延伸的螺纹杆，两根所述螺纹杆通过螺纹套筒螺纹连接，两根所述螺纹杆上的螺纹为反向螺纹，两个所述卡块在相背离的一侧均设有抵触杆。
优选地：所述抵触杆螺纹连接在卡块上，所述抵触杆在与嵌入槽的槽壁抵触的一端设有橡胶垫。
优选地：所述辐板包括第一板以及设置有移动槽的第二板，所述第二板和第一板相向的一端分别设有丝杆和与丝杆螺纹连接的连接筒，所述连接筒转动连接在第一板上，所述第一板远离第二板的一端进入连接套内。
优选地：当连接筒转动至所需位置时，所述丝杆上设有限制连接筒转动的限位件。
优选地：所述限位件包括螺纹连接在丝杆上的转动套筒，所述转动套筒 远离丝杆的一端设有与连接筒外壁螺纹连接的限位套筒。
优选地：两块所述卡块之间穿设有连接杆，所述连接杆在穿出卡块的两端均螺纹连接有与卡块外侧壁抵触的限位块，所述连接杆位于嵌入槽槽口上方。
综上所述，本实用新型具有以下有益效果：在轮毂使用的过程中，辐板一端进入连接套内起到缓冲作用，当辐板损坏需要更换时，解除固定件对辐板的限位，同时调节辐板的长度，使得辐板的长度变小，此时使用者即可将辐板从内轮毂圈和外轮毂圈之间拆下，达到在辐板损坏时能够及时更换的目的，节约成本。
附图说明
图1是本实施例的结构示意图；
图2是本实施例的用于体现嵌入槽的结构示意图；
图3是本实施例的用于体现压缩弹簧的结构示意图。
图中：1、外轮毂圈；2、内轮毂圈；21、辐板；211、第一板；212、第二板；22、内固定圈；23、外连接圈；24、嵌入槽；241、连接套；242、压缩弹簧；25、移动槽；251、卡块；252、螺纹杆；253、螺纹套筒；254、抵触杆；255、橡胶垫；26、丝杆；261、连接筒；262、转动套筒；263、限位套筒；27、连接杆；271、限位块。
具体实施方式
以下结合附图对本实用新型作进一步详细说明。
一种具有缓冲效果的电动车轮毂，如图1和图3，包括外轮毂圈1、布置在外轮毂圈1内部的内轮毂圈2以及设置在内轮毂圈2外沿的若干个辐板21，内轮毂圈2包括设置于轮毂中部的内固定圈22和设置在内固定圈22外沿的 外连接圈23，外连接圈23上开设有供各个辐板21一端嵌入的嵌入槽24，外轮毂圈1的内沿设有供辐板21远离外连接圈23一端滑入的连接套241，连接套241内设有压缩弹簧242，压缩弹簧242的一端固定在连接套241内，另一端抵触在辐板21进入连接套241的一端端面，为了便于将辐板21安装在嵌入槽24和连接套241内，辐板21为可伸缩板，辐板21上设有限制辐板21在嵌入槽24内位置的固定件。
如图1和图3，在轮毂使用的过程中，辐板21一端进入连接套241内起到缓冲作用，当辐板21损坏需要更换时，解除固定件对辐板21的限位，同时调节辐板21的长度，使得辐板21的长度变小，此时使用者即可将辐板21从内轮毂圈2和外轮毂圈1之间拆下，达到在辐板21损坏时能够及时更换的目的，节约成本。
如图1和图2，固定件包括开设在辐板21朝向嵌入槽24一端的移动槽25，移动槽25的长度方向的两端均未延伸出辐板21的两端，辐板21在移动槽25内滑移连接有两块卡块251，两根卡块251上均设有相向延伸的螺纹杆252，两根螺纹杆252通过螺纹套筒253螺纹连接，两根螺纹杆252上的螺纹为反向螺纹，两个卡块251在相背离的一侧均设有抵触杆254。抵触杆254位于卡块251背离螺纹杆252的一侧，当使用者转动螺纹套筒253时，驱动卡块251向相向方向或者相背离方向移动，进而便于卡块251上的抵触杆254与嵌入槽24的槽壁抵触，进而将辐板21的一端固定在嵌入槽24内，当需要将辐板21的一端移出嵌入槽24时，使用者通过螺纹套筒253使得两个卡块251向相向方向移动，进而使得抵触杆254与嵌入槽24槽壁之间存在间隙，便于使用者将辐板21从嵌入槽24内移出。此时卡块251延伸出嵌入槽24的槽口，螺纹套筒253也延伸出嵌入槽24的槽口。
如图1和图2，为了固定卡块251的位置，因此在两块卡块251之间穿设有连接杆27，连接杆27在穿出卡块251的两端均螺纹连接有与卡块251外侧壁抵触的限位块271，连接杆27位于嵌入槽24槽口上方。将限位块271转动至与卡块251外侧壁抵触的位置，此时两个限位块271将会限制两个卡块251向相反方向移动，此外在连接杆27位于两个卡块251之间的位置螺纹连接有与卡块251抵触的挡块，此时挡块限制了两个卡块251向相向方向移动。
如图1和图2，为了增大抵触杆254的移动范围，因此将抵触杆254螺纹连接在卡块251上，当转动抵触杆254时，改变了抵触杆254在卡块251上的位置，进一步调节了抵触杆254延伸出卡块251的长度，增大了抵触杆254的使用范围，在抵触杆254在与嵌入槽24的槽壁抵触的一端设有橡胶垫255。橡胶垫255的设置增大了抵触杆254与嵌入槽24槽壁之间的摩擦力。
如图1和图2，辐板21包括第一板211以及设置有移动槽25的第二板212，第二板212和第一板211相向的一端分别设有丝杆26和与丝杆26螺纹连接的连接筒261，连接筒261转动连接在第一板211上，使用者转动连接筒261即可改变丝杆26与连接筒261的连接位置，进而调节了第一板211和第二板212之间的距离，使得辐板21的整体长度增加或者减小，操作方便，第一板211远离第二板212的一端进入连接套241内。
如图1和图2，当连接筒261转动至所需位置时，丝杆26上设有限制连接筒261转动的限位件。限位件的设置固定了丝杆26在连接筒261上的位置，使得辐板21被调节后的长度稳定。
如图1和图2，限位件包括螺纹连接在丝杆26上的转动套筒262，转动套筒262远离丝杆26的一端设有与连接筒261外壁螺纹连接的限位套筒263， 当丝杆26转动至所需位置时，使用者转动转动套筒262使得转动套筒262向连接筒261方向移动，直至限位套筒263与连接筒261的外壁螺纹连接，此时限位套筒263和转动套筒262的设置固定了丝杆26与连接筒261的连接位置，操作方便。
以上所述仅是本实用新型的优选实施方式，本实用新型的保护范围并不仅局限于上述实施例，凡属于本实用新型思路下的技术方案均属于本实用新型的保护范围。应当指出，对于本技术领域的普通技术人员来说，在不脱离本实用新型原理前提下的若干改进和润饰，这些改进和润饰也应视为本实用新型的保护范围。

Claims (7)

  1. 一种具有缓冲效果的电动车轮毂，包括外轮毂圈(1)、布置在外轮毂圈(1)内部的内轮毂圈(2)以及设置在内轮毂圈(2)外沿的若干个辐板(21)，所述内轮毂圈(2)包括设置于轮毂中部的内固定圈(22)和设置在内固定圈(22)外沿的外连接圈(23)，其特征在于，所述外连接圈(23)上开设有供各个辐板(21)一端嵌入的嵌入槽(24)，所述外轮毂圈(1)的内沿设有供辐板(21)远离外连接圈(23)一端滑入的连接套(241)，所述连接套(241)内设有压缩弹簧(242)，所述压缩弹簧(242)的一端固定在连接套(241)内，另一端抵触在辐板(21)进入连接套(241)的一端端面，所述辐板(21)为可伸缩板，所述辐板(21)上设有限制辐板(21)在嵌入槽(24)内位置的固定件。
  2. 根据权利要求1所述的一种具有缓冲效果的电动车轮毂，其特征是：所述固定件包括开设在辐板(21)朝向嵌入槽(24)一端的移动槽(25)，所述辐板(21)在移动槽(25)内滑移连接有两块卡块(251)，两根所述卡块(251)上均设有相向延伸的螺纹杆(252)，两根所述螺纹杆(252)通过螺纹套筒(253)螺纹连接，两根所述螺纹杆(252)上的螺纹为反向螺纹，两个所述卡块(251)在相背离的一侧均设有抵触杆(254)。
  3. 根据权利要求2所述的一种具有缓冲效果的电动车轮毂，其特征是：所述抵触杆(254)螺纹连接在卡块(251)上，所述抵触杆(254)在与嵌入槽(24)的槽壁抵触的一端设有橡胶垫(255)。
  4. 根据权利要求2所述的一种具有缓冲效果的电动车轮毂，其 特征是：所述辐板(21)包括第一板(211)以及设置有移动槽(25)的第二板(212)，所述第二板(212)和第一板(211)相向的一端分别设有丝杆(26)和与丝杆(26)螺纹连接的连接筒(261)，所述连接筒(261)转动连接在第一板(211)上，所述第一板(211)远离第二板(212)的一端进入连接套(241)内。
  5. 根据权利要求4所述的一种具有缓冲效果的电动车轮毂，其特征是：当连接筒(261)转动至所需位置时，所述丝杆(26)上设有限制连接筒(261)转动的限位件。
  6. 根据权利要求5所述的一种具有缓冲效果的电动车轮毂，其特征是：所述限位件包括螺纹连接在丝杆(26)上的转动套筒(262)，所述转动套筒(262)远离丝杆(26)的一端设有与连接筒(261)外壁螺纹连接的限位套筒(263)。
  7. 根据权利要求2所述的一种具有缓冲效果的电动车轮毂，其特征是：两块所述卡块(251)之间穿设有连接杆(27)，所述连接杆(27)在穿出卡块(251)的两端均螺纹连接有与卡块(251)外侧壁抵触的限位块(271)，所述连接杆(27)位于嵌入槽(24)槽口上方。
PCT/CN2020/131387 2020-01-14 2020-11-25 一种具有缓冲效果的电动车轮毂 WO2021143357A1 (zh)

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