WO2019205311A1 - 一种可拆装轮缘的无内胎车轮轮辋及无内胎车轮 - Google Patents

一种可拆装轮缘的无内胎车轮轮辋及无内胎车轮 Download PDF

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Publication number
WO2019205311A1
WO2019205311A1 PCT/CN2018/096392 CN2018096392W WO2019205311A1 WO 2019205311 A1 WO2019205311 A1 WO 2019205311A1 CN 2018096392 W CN2018096392 W CN 2018096392W WO 2019205311 A1 WO2019205311 A1 WO 2019205311A1
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WIPO (PCT)
Prior art keywords
rim
tire
detachable
groove
bead seat
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PCT/CN2018/096392
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English (en)
French (fr)
Inventor
林资源
宁运成
赖建辉
卢龙飞
Original Assignee
正兴车轮集团有限公司
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Application filed by 正兴车轮集团有限公司 filed Critical 正兴车轮集团有限公司
Priority to PE2019001664A priority Critical patent/PE20200083A1/es
Priority to BR112019016227-5A priority patent/BR112019016227B1/pt
Priority to NZ756015A priority patent/NZ756015A/en
Priority to MX2019010677A priority patent/MX2019010677A/es
Priority to UAA201909445A priority patent/UA125526C2/uk
Priority to RU2019121489A priority patent/RU2723447C1/ru
Priority to ZA2019/04498A priority patent/ZA201904498B/en
Priority to PH12019501933A priority patent/PH12019501933A1/en
Publication of WO2019205311A1 publication Critical patent/WO2019205311A1/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
    • B60B21/00—Rims
    • B60B21/02—Rims characterised by transverse section
    • B60B21/023—Rims characterised by transverse section the transverse section being non-symmetrical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B21/00—Rims
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B21/00—Rims
    • B60B21/10—Rims characterised by the form of tyre-seat or flange, e.g. corrugated

Definitions

  • the invention relates to the field of automobile parts manufacturing, in particular to a tubeless wheel rim and a tubeless wheel with a detachable rim.
  • the rims of the tubeless wheels currently used are prone to deformation when the road conditions are poor, the wheels are subjected to heavy loads or turning, and the tires are easily deformed, and the tires are prone to occur under large load conditions. Side cracking, the tire is easy to escape, there is a high safety hazard in use. Therefore, the existing tubeless wheel structure cannot be used in special vehicles such as construction vehicles, construction vehicles, mining vehicles, etc., which has become a technical problem that cannot be solved in the wheel production field for a long time.
  • the inner tube has three structural materials: inner tube, tire and tire
  • the friction between the inner tube, the outer tube and the tire generates a large amount of heat during the running of the vehicle, and the heat generated by the superimposed brake is transmitted to the tire.
  • the tire puncture occurs, and the high heat causes the inner tube and the tire to be easily damaged.
  • the user needs to frequently change the tire, causing waste and environmental pollution.
  • a rubber ring is added to the inner tire wheel rim to fit the tire, and the rubber sealing ring is used to seal the gap between the rim and the tire to prevent the tire from leaking.
  • the object of the present invention is to provide a tubeless rim of a removable rim which can prevent the tire from coming out during high load use, high temperature puncture, improve safety and reliability, reduce the use cost, prolong the service life of the tire and be environmentally friendly. Wheel rim.
  • Another object of the present invention is to provide a tubeless wheel using a tubeless wheel rim of the above-described removable rim.
  • the present invention provides a tubeless wheel rim of a detachable rim, comprising a rim body and an annular rim on both sides of the rim body, the height and shape of the annular rim corresponding to the rim
  • the bead portion of the tube tire is adapted to have a height and shape, the annular rim including a fixed rim integrally formed with the rim body and located on one side of the rim body and on the other side of the rim body a detachable rim, the detachable rim being detachably coupled to the rim body, and a tire detaching deep groove for disassembling the tire is disposed along an outer circumference of the rim body, the fixed rim Forming a radially tapered first bead seat to an outer surface of the rim body between the tire disassembly deep groove, from the detachable rim to the tire between the deep groove
  • the outer surface of the rim body forms a radially tapered second bea
  • first bead seat and the second bead seat are both truncated and arranged transversely, the center line of the first bead seat and the center of the second bead seat
  • the wires all coincide with the center line of the rim body, and the outer dimensions of the first bead seat and the second bead seat are matched to the corresponding outer dimensions of the mounted tire.
  • the taper of the first bead seat is equal to the taper of the second bead seat.
  • a detachable rim mounting groove is formed on the rim body corresponding to the detachable rim, and the detachable rim is engaged with the detachable rim mounting groove.
  • the detachable rim mounting groove has a U shape.
  • the detachable rim mounting groove has a curved hook shape, and the bent portion of the curved detachable rim mounting groove is disposed away from the second bead seat.
  • the tire disassembly deep groove is flared, and the flared tire disassembly deep groove comprises a notch, a groove bottom and two groove side walls between the groove bottom and the notch, The two side walls of the groove and the bottom of the groove are respectively connected by the overturning corner portion of the groove bottom, and the two side walls of the groove and the two bead seats are respectively connected by the excessive corner portion of the notch.
  • the diameter of the outer surface of the rim body where the notch corner portion is located is larger than the inner diameter d of the mounted tire.
  • the farthest distance L of the groove bottom overturning portion to the detachable rim mounting groove on the side of the detachable rim is smaller than the inner diameter d of the mounted tire.
  • a valve hole for installing the valve is opened in the deep groove of the tire disassembly.
  • the valve hole is opened on the side wall of the groove near the side of the detachable rim.
  • the groove depth of the tire disassembling deep groove ranges from 10 mm to 30 mm; the inclination angle of the groove side wall is 10° to 60°; and the ratio of the width of the notch to the width of the rim main body is 1: Between 5 and 1:2.
  • the height of the annular rim is 15 mm to 55 mm.
  • the bottom of the groove is a flat surface, a sloped surface, a stepped surface or a concave curved surface.
  • the present invention also proposes a tubeless wheel in which the tubeless wheel employs a tubeless wheel rim of a removable rim as described above.
  • the present invention has the following features and advantages:
  • the rim height of the rim using the existing tube tire is higher than that of the existing one.
  • the rim rim height of the inner tube tire effectively protects the tire from coming out of the rim during use, improving the safety and reliability of the wheel.
  • the detachable rim of the present invention can be detachably attached to the rim main body, and the tire detachable deep groove is provided along the outer circumference of the rim main body, the detachable rim elastic structure having the gap opening is matched.
  • the detachable rim dismounting function is realized, thereby ensuring the convenience when the tire is loaded or removed.
  • the first bead seat of the present invention is radially tapered from the adjacent fixed rim to the deep groove of the tire, the sealing of the first bead seat to the end of the tire is ensured.
  • the second bead seat of the present invention is also radially tapered from the adjacent detachable rim to the deep groove of the tire, the second bead seat cooperates with the toe of the tire (the tire and the rim cooperate).
  • the sealing effect when the right toe of the tire is matched with the rim eliminates the sealing ring of the existing rim.
  • the invention has the advantages of long service life, deformation of the bead, and easy tire disassembly.
  • the invention has a valve hole for installing a valve in the deep groove of the tire disassembly, which ensures the installation of the valve.
  • FIG. 1 is a schematic perspective view showing the structure of a tubeless wheel rim of a detachable rim of the present invention
  • FIG. 2 is a top plan view showing the tubeless wheel rim of the detachable rim of the present invention
  • FIG. 3 is a partial cross-sectional structural view showing a first embodiment of a tubeless wheel rim of a removable rim of the present invention when a detachable rim is not mounted;
  • FIG. 4 is a cross-sectional structural view showing a first embodiment of a tubeless wheel rim of a removable rim of the present invention combined with a spoke and a detachable rim;
  • Figure 5 is a partial enlarged view of Figure 4.
  • Figure 6 is a partial cross-sectional structural view showing the second embodiment of the tubeless wheel rim of the removable rim of the present invention when the detachable rim is not installed;
  • Figure 7 is a cross-sectional structural view showing the second embodiment of the tubeless wheel rim of the removable rim of the present invention combined with the spokes and the detachable rim;
  • Figure 8 is a partial enlarged view of Figure 7;
  • FIG. 14 are respectively partial cross-sectional structural views of the third to eighth embodiments of the tubeless wheel rim of the removable rim of the present invention when the detachable rim is not mounted.
  • the tubeless wheel rim of the removable rim comprises a rim body 1 and an annular rim 2 on both sides of the rim body 1.
  • the annular rim 2 includes a rim body 1
  • the fixed rim 21 and the rim body 1 are integrally formed.
  • the height and shape of the annular rim 2 (including the fixed rim 21 and the detachable rim 22) is adapted to the height and shape of the bead portion of the rim of the tube-bearing tire, that is, fixed
  • the height and shape of the rim 21 and the detachable rim 22 conform to the fixed rim corresponding to the size and shape of the same type of rim specified in the Chinese national standard "Automobile rim specification series GB/T3487-2005" issued on September 15, 2005.
  • the height and shape of the detachable rim ranges from 15 mm to 55 mm.
  • the annular rim 2 can also take a suitable height according to actual needs.
  • the invention adopts the annular rim 2 with a certain height, can effectively prevent the tire from coming off the rim during use, and improves the safety and reliability of the wheel.
  • a tire disassembly deep groove 3 for the disassembly tire is disposed along the outer circumference of the rim body 1, and a first bead seat 41 is formed on the outer surface of the rim body 1 between the fixed rim 21 and the tire disassembly deep groove 3, and is detachable
  • the outer surface of the rim body 1 between the rim 22 and the tire disassembly deep groove 3 forms a second bead seat 42 which is radially from the adjacent fixed rim 21 to the tire disassembly deep groove 3
  • the shape is tapered, thereby ensuring that when the first bead seat 41 is engaged with one end of the tire, the surface of the first bead seat 41 closely matches the tire joint surface to function as a seal.
  • the second bead seat 42 is also radially tapered from the adjacent detachable rim 22 to the tire disassembly deep groove 3, so that the second bead seat 42 and the tire toe (tire and rim fit) The tight fit cooperates to seal the right toe of the tire when it is mated with the rim, thereby eliminating the need for the existing rim seal.
  • the invention has the advantages of long service life, avoiding deformation of the bead and easy disassembly of the tire.
  • the diameter of the outer surface of the rim body 1 at the bottom of the tire disassembly deep groove 3 is smaller than the diameter of the first bead seat 41 and the diameter of the second bead seat 42, thereby facilitating the tire to be disassembled through the tire deep groove 3 in the rim Disassembly and assembly.
  • the first bead seat 41 and the second bead seat 42 are both truncated and arranged transversely so that the first bead seat 41 and the second bead seat 42 are formed by both sides of the rim.
  • Radially tapered toward the center of the rim the center line of the first frustum-shaped first bead seat 41 and the truncated-cone second bead seat 42 coincides with the center line of the rim body 1, and the two-cone tapered bead seat
  • the outer dimensions of the first bead seat 41 and the second bead seat 42 are matched to the corresponding outer dimensions of the mounted tire, and the diameters of the first bead seat 41 and the second bead seat 42 are both larger than the installed size.
  • the inner diameter of the tire ensures that the tire can be sealingly fitted to the first bead seat 41 and the second bead seat 42 at the time of installation without adding any sealing medium.
  • the taper of the truncated cone-shaped first bead seat 41 is equal to the taper of the truncated cone-shaped second bead seat 42 to facilitate mounting.
  • the first bead seat 41 and the second bead seat 42 may also be unequal, as long as any taper design that ensures a tire's sealing fit with the first bead seat 41 and the second bead seat 42 should be covered. It is within the scope of the invention.
  • the angle between the first bead seat 41 and the central axis of the rim body 1 ranges from 2° to 20°; the angle between the second bead seat 42 and the central axis of the rim body 1 is also in the range of 2° to 20°.
  • a detachable rim mounting groove 5 is provided on the rim body 1 corresponding to the position of the detachable rim 22 (ie, the side opposite to the fixed rim 21), the detachable rim 22 and the detachable The rim mounting groove 5 is snapped. Since the detachable rim 22 is in a non-closed ring shape having a gap opening, the cleavage rim 22 is circumferentially elastically expanded when the gap is opened, so that the detachable rim 22 is snapped into the detachable rim mounting groove.
  • the elastic restoring force of the gap is further passed, so that the detachable rim 22 is tightly coupled with the detachable rim mounting groove 5 and stops at the outer side of the tire.
  • the gap opening is again opened, so that the detachable rim 22 is elastically expanded outwardly to disengage the detachable rim 22 from the detachable rim mounting groove 5, thereby realizing the detachable rim 22 and being detachable.
  • the mating mounting of the rim mounting groove 5 allows the detachable rim 22 to be detachably coupled to the rim body 1.
  • the detachable rim 22 of the present invention and the rim body 1 can also adopt other removable connection manners, such as bolt connection, pin connection, etc., as long as the detachable rim 22 can be detachably connected to the rim body 1 The side can be.
  • the detachable rim mounting groove 5 is U-shaped.
  • the detachable rim mounting groove 5 has a curved shape (as shown in FIG. 6 ), and is curved.
  • the bend 51 of the detachable rim mounting groove 5 is disposed away from the second bead seat 42 so that the hooking portion 221 of the detachable rim 22 can be securely and reliably hooked into the detachable rim mounting groove 5 and is easy Disassembly.
  • the second embodiment has the same structure and function as the first embodiment of the tubeless wheel rim of the removable rim of the present invention, and will not be described in detail herein.
  • the tire disassembly deep groove 3 has a flared shape, and includes a notch 31, a groove bottom 32 and two groove side walls between the groove bottom 32 and the notch 31, that is, adjacent to the first bead seat 41.
  • first groove side wall 33 and a second groove side wall 34 adjoining the second bead seat 42 wherein: the bottom edge of the first groove side wall 33 passes through the first groove bottom excessive corner portion 35 and the groove bottom 32 arc surface In the transitional connection, the top edge of the first groove side wall 33 is connected to the arc surface of the first bead seat 41 through the first notch excessive corner portion 36; symmetrically, the bottom edge of the second groove side wall 34 passes through the second The groove bottom excessive corner portion 37 is connected to the circular arc surface of the groove bottom 32, and the top edge of the second groove side wall 34 is connected to the arc surface of the second bead seat 42 through the second slot excessive corner portion 38.
  • the tire disassembly deep groove 3 is disposed such that the farthest distance L of the second groove bottom overturning portion 37 to the detachable rim mounting groove is slightly smaller than the inner diameter d of the mounted tire.
  • the tire disassembly deep groove 3 forms a certain redundant space, and the redundant space is utilized to smoothly mount the tire on the rim.
  • FIG. 9 to FIG. 14 are partial cross-sectional structural views showing the third embodiment to the eighth embodiment of the tubeless wheel rim of the removable rim of the present invention when the detachable rim is not mounted.
  • the main difference between the third embodiment to the eighth embodiment and the second embodiment described above is the shape of the groove bottom 32.
  • the shape of the groove bottom 32 may be a flat surface (as shown in FIG. 9), a beveled surface (as shown in FIG. 10 and FIG. 11), or a stepped surface (as shown in FIG. 12 and FIG. 13).
  • the shape of the groove bottom 32 may be any other suitable shape as long as the shape of the groove bottom for the smooth installation of the tire on the rim is covered by the scope of the present invention.
  • Other structures and functions of the third embodiment to the eighth embodiment are substantially the same as those of the second embodiment, and will not be described in detail herein.
  • a valve hole 7 for mounting the valve 6 is opened in the tire dismounting deep groove 3.
  • the valve hole 7 is opened on the side wall of the groove adjacent to the side of the detachable rim 22 (i.e., the second groove side wall 34) so that the valve 6 extends to the side of the spoke 8 outside the rim.
  • the groove depth of the tire disassembly deep groove 3 ranges from 10 mm to 30 mm; the inclination angle of the first groove side wall 33 and the second groove side wall 34 is 10 to 60; the width of the notch 31 and the rim body
  • the width ratio of 1 is between 1:5 and 1:2.
  • the present invention is not limited to the tire disassembly deep groove 3 as long as it can fit within the scope of the present invention as long as it can fit the size of the installed tire and meet the above functional requirements.
  • the present invention also provides a tubeless wheel that employs a tubeless wheel rim of a removable rim as described above.
  • the specific structure and efficacy of the tubeless wheel rim of the detachable rim have been described in detail above and will not be described herein.
  • the inner diameter of the tire may be first inserted into the tire disassembly deep groove 3 of the rim body 1, and the other side of the tire is not Nesting into the rim body 1, at this time, the tire is in an inclined state, and the farthest distance L of the detachable rim mounting groove 5 by the second groove bottom excessive corner portion 37 is slightly smaller than the structure of the inner diameter d of the mounted tubeless tire, the tire
  • the inner diameter can smoothly pass through the largest diameter of the second bead seat 42, thereby mounting the tire on the rim body 1, due to the outer surface of the rim body 1 where the second notch of the second slot of the tire disassembling deep groove 3 is located
  • the diameter dimension is larger than the size of the installed tire, so that the sealing cavity is formed on the side of the tire inner diameter toe (tire bead) and the deep groove top corner (ie, the second notch excessive corner portion 38) before the tire is inflated.
  • the inflating function is realized by the valve installed on the side of the groove.
  • the tire continuously slides to the left and right on the surface of the rim body under the action of air pressure until it contacts the rim fixed rim and the detachable rim, and the inflated tire depends on the truncated cone
  • the first bead seat 41 and the second bead seat 42 are matched and sealed with the left and right bead (toe) of the tire, so that the tire and the rim body form a sealed cavity, which ensures that the cavity does not leak after inflation.
  • the tire charging and discharging gas is realized by a valve 6 provided on the side wall of the groove near the side of the detachable rim 22.
  • the order of the mounting steps is reversed.
  • the tire is deflated by the valve 6, and the detachable rim 22 is removed, and the portion where the both sides of the tire are in contact with the rim body 1 is pressed into the tire disassembly deep groove 3.
  • the side of the tire is separated from the rim body 1 by the crowbar. At this time, the tire is tilted.
  • the principle that the slanted line L is smaller than the inner diameter R of the tire is used to gradually remove the tire from the rim body 1 and the tire removal is completed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

一种可拆装轮缘的无内胎车轮轮辋及无内胎车轮，可拆装轮缘的无内胎车轮轮辋包括轮辋主体（1）和位于轮辋主体（1）两侧的环形轮缘（2），环形轮缘（2）包括固定轮缘（21）和可拆卸轮缘（22），可拆卸轮缘（22）能拆装的与轮辋主体（1）相连接，沿轮辋主体（1）外周设有供拆装轮胎使用的轮胎拆装深槽（3），由固定轮缘（21）至轮胎拆装深槽（3）之间的轮辋主体（1）的外表面形成径向渐缩状的第一胎圈座（41），由可拆卸轮缘（22）至轮胎拆装深槽（3）之间的轮辋主体（1）的外表面形成径向渐缩状的第二胎圈座（42）。

Description

一种可拆装轮缘的无内胎车轮轮辋及无内胎车轮
相关申请
本发明申请要求专利申请号为201810372798.0、发明名称为“一种可拆装轮缘的无内胎车轮轮辋及无内胎车轮”的中国专利的优先权。
技术领域
本发明涉及汽车零部件制造领域，尤其涉及一种可拆装轮缘的无内胎车轮轮辋及无内胎车轮。
背景技术
众所周知，汽车车轮按使用轮胎的种类一般分为有内胎车轮和无内胎车轮。其中，无内胎车轮由于其安全、节能、环保等优势逐渐得到推广使用。
然而，目前所使用的无内胎车轮的轮辋，在道路条件较差、车轮承受大载荷或转弯时，其轮缘容易发生变形，而导致轮胎脱出，并且在较大载荷情况下也容易出现轮胎胎侧开裂，轮胎容易脱出的情况，使用中存在有较高的安全隐患。因此现有无内胎车轮结构无法在大载荷载货汽车如建筑用车、工地用车、矿用车等专用车使用，这已成为车轮生产领域长期无法解决的技术难题。
而由于有内胎车轮含有内胎、垫胎、外胎三种结构材料，车辆在运行时内胎、外胎及垫胎之间的摩擦产生很大的热量，再叠加刹车产生的热量传递到轮胎上，极易造成轮胎爆胎发生，其次高热量造成内胎、垫胎极易损坏、使用者需频繁更换轮胎，造成浪费及环境污染。目前在有内胎车轮轮辋增加一圈橡胶密封圈与轮胎相配装使用，通过橡胶密封圈起到密封填充轮辋与轮胎之间间隙，起到防止轮胎漏气的作用。但在实际使用过程中，由于车轮内部产生高热量、轮胎对密封圈的高压、胎内气体对橡胶密封圈的氧化等危害因素，特别是夏天高温天气叠加使用带来的高温危害，导致橡胶密封圈往往使用很短时间就损坏了；并且，由于密封圈容易变形，变形或损坏后的密封圈在高温下又与轮胎胎圈粘贴到一块，从而造成轮胎的胎圈变形，变形后的轮胎胎圈产生早期老化，导致轮胎使用寿命缩短且难以拆卸；另外，由于产品结构限制，轮胎与车轮间的间隙较小，密封圈厚度较薄，在安装时容易使密封圈发生偏离，导致使用过程中密封圈单边受 力，加快了密封圈的磨损。因此其无法在市场上大力推广使用。
另外，现有技术中还有一种无内胎车轮，其轮辋部分仅对材料的强度、厚度等进行加强，虽然减少车轮的变形，加强后的车轮在使用过程中一定程度缓解了车轮轮缘变形的故障，但在车轮承受大载荷或转弯、路况差等情况时仍然会造成轮胎脱出、轮辋变形等故障，同时由于车轮轮缘结构不能对轮胎测起到保护作用，在重载情况下容易导致轮胎胎侧开裂，严重时造成安全隐患。
发明内容
本发明的目的是提供一种既能在大载荷使用时防止轮胎脱出、高温爆胎，提高安全可靠性，又能降低使用成本、延长轮胎使用寿命、利于环保的可拆装轮缘的无内胎车轮轮辋。
本发明的另一目的是提供一种使用上述可拆装轮缘的无内胎车轮轮辋的无内胎车轮。
为达到上述目的，本发明提出了一种可拆装轮缘的无内胎车轮轮辋，包括轮辋主体和位于所述轮辋主体两侧的环形轮缘，所述环形轮缘的高度和形状与轮辋对应的有内胎轮胎的胎圈部位的高度和形状相适配，所述环形轮缘包括与所述轮辋主体一体成型且位于所述轮辋主体一侧的固定轮缘和位于所述轮辋主体另一侧的可拆卸轮缘，所述可拆卸轮缘能拆装的与所述轮辋主体相连接，沿所述轮辋主体外周设有供拆装轮胎使用的轮胎拆装深槽，由所述固定轮缘至所述轮胎拆装深槽之间的所述轮辋主体的外表面形成径向渐缩状的第一胎圈座，由所述可拆卸轮缘至所述轮胎拆装深槽之间的所述轮辋主体的外表面形成径向渐缩状的第二胎圈座，所述轮胎拆装深槽底部所在的所述轮辋主体外表面的直径小于所述第一胎圈座的直径及所述第二胎圈座的直径。
进一步的，所述第一胎圈座和所述第二胎圈座均呈截锥状且相对横置排布，所述第一胎圈座的中心线和所述第二胎圈座的中心线均与所述轮辋主体的中心线重合，且所述第一胎圈座和所述第二胎圈座的外形尺寸均与所安装轮胎对应的外形尺寸相匹配。
进一步的，所述第一胎圈座的锥度与所述第二胎圈座的锥度相等。
进一步的，在所述轮辋主体上对应于所述可拆卸轮缘的位置开设有可拆卸轮缘安装槽，所述可拆卸轮缘与所述可拆卸轮缘安装槽卡接。
进一步的，所述可拆卸轮缘安装槽呈U形。
进一步的，所述可拆卸轮缘安装槽呈弯勾形，所述弯勾形的可拆卸轮缘安装槽的 折弯部远离所述第二胎圈座设置。
进一步的，所述轮胎拆装深槽呈扩口状，所述扩口状轮胎拆装深槽包括槽口、槽底和位于所述槽底至所述槽口之间的两槽侧壁，两所述槽侧壁与所述槽底之间分别通过槽底过度转角部相接，两所述槽侧壁与两所述胎圈座之间分别通过槽口过度转角部相接，所述槽口过度转角部所在的所述轮辋主体外表面的直径大于所安装的轮胎的内径d。
进一步的，靠近所述可拆卸轮缘一侧的所述槽底过度转角部至所述可拆卸轮缘安装槽的最远距离L小于所安装的轮胎的内径d。
进一步的，在所述轮胎拆装深槽内开设有用于安装气门嘴的气门嘴孔，优选的，所述气门嘴孔开设在靠近所述可拆卸轮缘一侧的所述槽侧壁上。
进一步的，所述轮胎拆装深槽的槽深范围为10mm～30mm；所述槽侧壁的倾角为10°～60°；所述槽口的宽度与所述轮辋主体的宽度比例为1：5至1：2之间。
进一步的，所述环形轮缘的高度为15mm～55mm。
进一步的，所述槽底呈平面、斜面、阶梯面或内凹弧面。
本发明还提出了一种无内胎车轮，其中，所述无内胎车轮采用如上所述的可拆装轮缘的无内胎车轮轮辋。
与现有技术相比，本发明具有以下特点和优点：
1、由于本发明的环形轮缘的高度和形状与轮辋对应的有内胎轮胎的胎圈部位的高度和形状相适配，利用现有的有内胎轮胎的轮辋轮缘高度高于现有的无内胎轮胎的轮辋轮缘高度的特点，有效保护轮胎在使用时不会脱出轮辋，提高了车轮的安全可靠性。
2、由于本发明的可拆卸轮缘能拆装的与轮辋主体相连接，且沿轮辋主体外周设有供拆装轮胎使用的轮胎拆装深槽，配合具有间隙口的可拆卸轮缘弹性结构，实现可拆卸轮缘拆装功能，从而保证了轮胎装入或拆下轮辋时的便利。
3、由于本发明的第一胎圈座由邻接的固定轮缘向轮胎拆装深槽方向呈径向渐缩状，保证了第一胎圈座与轮胎的一端配合时的密封。由于本发明的第二胎圈座由邻接的可拆卸轮缘向轮胎拆装深槽方向也呈径向渐缩状，第二胎圈座与轮胎趾口(轮胎与轮辋配合处)配合，起到轮胎右趾口与轮辋配合时的密封作用，从而省去了现有轮辋的密封圈，本发明具有使用寿命长、避免胎圈变形，易于轮胎拆卸的功效。
4、由于本发明的轮胎拆装深槽的设置位置使得第二槽底过度转角部至可拆卸轮缘安装槽的最远距离L略小于所安装的无内胎轮胎的内径d。
5、本发明在轮胎拆装深槽内开设有用于安装气门嘴的气门嘴孔，保证了气门嘴的 安装。
附图说明
在此描述的附图仅用于解释目的，而不意图以任何方式来限制本发明公开的范围。另外，图中的各部件的形状和比例尺寸等仅为示意性的，用于帮助对本发明的理解，并不是具体限定本发明各部件的形状和比例尺寸。本领域的技术人员在本发明的教导下，可以根据具体情况选择各种可能的形状和比例尺寸来实施本发明。
图1为本发明可拆装轮缘的无内胎车轮轮辋的立体结构示意图；
图2为本发明可拆装轮缘的无内胎车轮轮辋的俯视结构示意图；
图3为本发明可拆装轮缘的无内胎车轮轮辋实施例一未安装可拆卸轮缘时的局部断面结构示意图；
图4为本发明可拆装轮缘的无内胎车轮轮辋实施例一与轮辐结合并安装可拆卸轮缘时的剖面结构示意图；
图5为图4的局部放大示意图；
图6为本发明可拆装轮缘的无内胎车轮轮辋实施例二未安装可拆卸轮缘时的局部断面结构示意图；
图7为本发明可拆装轮缘的无内胎车轮轮辋实施例二与轮辐结合并安装可拆卸轮缘时的剖面结构示意图；
图8为图7的局部放大示意图；
图9至图14分别为本发明可拆装轮缘的无内胎车轮轮辋的实施例三至实施例八的未安装可拆卸轮缘时的局部断面结构示意图。
附图标记说明：
1-轮辋主体；2-环形轮缘；21-固定轮缘；22-可拆卸轮缘；221-可拆卸轮缘的勾合部；3-轮胎拆装深槽；31-槽口；32-槽底；33-第一槽侧壁；34-第二槽侧壁；35-第一槽底过度转角部；36-第一槽口过度转角部；37-第二槽底过度转角部；38-第二槽口过度转角部；41-第一胎圈座；42-第二胎圈座；5-可拆卸轮缘安装槽；51-折弯处；6-气门嘴；7-气门嘴孔；8-轮辐；L-第二槽底过度转角部37至可拆卸轮缘安装槽5的最远距离。
具体实施方式
结合附图和本发明具体实施方式的描述，能够更加清楚地了解本发明的细节。但是，在此描述的本发明的具体实施方式，仅用于解释本发明的目的，而不能以任何方式理解成是对本发明的限制。在本发明的教导下，技术人员可以构想基于本发明的任意可能的变形，这些都应被视为属于本发明的范围。
如图1至图5所示，本发明提出的可拆装轮缘的无内胎车轮轮辋包括轮辋主体1和位于轮辋主体1两侧的环形轮缘2，环形轮缘2包括位于轮辋主体1一侧的固定轮缘21和位于轮辋主体1另一侧的可拆卸轮缘22(也称挡圈)。其中固定轮缘21与轮辋主体1为一体结构，当然也可以根据需要采用其他的固定连接方式，如焊接等，只要保证固定轮缘21固定于轮辋主体1的一侧即可；可拆卸轮缘22能拆装的与轮辋主体1相连接，可拆卸轮缘22与轮辋主体1的具体连接方式会在下文中详细描述。在本发明中，环形轮缘2(包括固定轮缘21和可拆卸轮缘22)的高度和形状与轮辋对应的有内胎轮胎的胎圈部位的高度和形状相适配，也就是说，固定轮缘21和可拆卸轮缘22的高度和形状符合2005年9月15日发布的中国国家标准《汽车轮辋规格系列GB/T3487-2005》中规定的同型号轮辋尺寸和形状对应的固定轮缘和可拆卸轮缘的高度和形状。进一步的，环形轮缘2的高度范围为15mm～55mm，当然环形轮缘2也可根据实际需要取适宜的高度。本发明采用具有一定高度的环形轮缘2，能够在使用时有效阻止轮胎脱离轮辋，提高了车轮的安全可靠性。沿轮辋主体1外周设有供拆装轮胎使用的轮胎拆装深槽3，固定轮缘21至轮胎拆装深槽3之间的轮辋主体1的外表面形成第一胎圈座41，可拆卸轮缘22至轮胎拆装深槽3之间的轮辋主体1外表面形成第二胎圈座42，第一胎圈座41由邻接的固定轮缘21至轮胎拆装深槽3方向呈径向渐缩状，从而保证了第一胎圈座41与轮胎的一端配合时，通过第一胎圈座41表面与轮胎结合面紧密配合，起到密封的作用。相类似的，第二胎圈座42由邻接的可拆卸轮缘22至轮胎拆装深槽3方向也呈径向渐缩状，使得第二胎圈座42与轮胎趾口(轮胎与轮辋配合处)紧密配合，起到轮胎右趾口与轮辋配合时的密封作用，从而省去了现有轮辋的密封圈。本发明具有使用寿命长、避免胎圈变形，易于轮胎拆卸的功效。轮胎拆装深槽3底部所在的轮辋主体1外表面的直径小于第一胎圈座41的直径及所述第二胎圈座42的直径，从而便于轮胎能够通过轮胎拆装深槽3在轮辋上的拆装。
如图5所示，第一胎圈座41和第二胎圈座42均呈截锥状且相对横置排布，使得第一胎圈座41和第二胎圈座42构成由轮辋两侧向轮辋中央径向渐缩状，截锥状的第一胎圈座41和截锥状的第二胎圈座42的中心线与轮辋主体1的中心线重合，且两截锥状 胎圈座(即第一胎圈座41、第二胎圈座42)的外形尺寸与所安装轮胎对应的外形尺寸相匹配，且第一胎圈座41和第二胎圈座42的直径均大于所安装轮胎的内径，这样保证了在安装时，轮胎能与第一胎圈座41和第二胎圈座42锥面密封配合，而无需增加任何密封介质。
进一步的，截锥状的第一胎圈座41的锥度与截锥状的第二胎圈座42的锥度相等，以便于安装。当然第一胎圈座41和第二胎圈座42也可以不等，只要能保证轮胎与第一胎圈座41和第二胎圈座42锥面密封配合的任何锥度设计方式都应涵盖在本发明保护范围之内。优先地，第一胎圈座41与轮辋主体1中心轴线的夹角范围为2°～20°；第二胎圈座42与轮辋主体1中心轴线的夹角范围也为2°～20°。
如图3所示，在轮辋主体1上对应于可拆卸轮缘22的位置(即相对于固定轮缘21的一侧)开设有可拆卸轮缘安装槽5，可拆卸轮缘22与可拆卸轮缘安装槽5卡接。由于可拆卸轮缘22呈具有间隙口的不封闭环状，在安装时，撑开间隙口使得可拆卸轮缘22周向弹性外扩，以便可拆卸轮缘22卡入可拆卸轮缘安装槽5内，再通过间隙口的弹性回复力，使得可拆卸轮缘22与可拆卸轮缘安装槽5紧密结合在一起并止挡于轮胎的外侧。在拆卸时，需再次将间隙口撑开，使得可拆卸轮缘22周向弹性外扩，以将可拆卸轮缘22脱出可拆卸轮缘安装槽5，从而实现可拆卸轮缘22与可拆卸轮缘安装槽5的配合安装，使得可拆卸轮缘22可拆装的与轮辋主体1相连接。本发明的可拆卸轮缘22与轮辋主体1也可采用其他可拆装的连接方式，例如螺栓连接、销连接等，只要能够实现可拆卸轮缘22能拆装的连接在轮辋主体1的一侧即可。
如图4所示，进一步的，为了配合可拆卸轮缘22的不同形状，在本发明一个实施例中，可拆卸轮缘安装槽5呈U形。
如图6至图8所示，在本发明可拆装轮缘的无内胎车轮轮辋的实施例二中，可拆卸轮缘安装槽5呈弯勾形(如图6所示)，弯勾形的可拆卸轮缘安装槽5的折弯处51远离第二胎圈座42设置，使得可拆卸轮缘22的勾合部221能够牢固可靠的勾挂于可拆卸轮缘安装槽5内并易于拆装。本实施例二与本发明可拆装轮缘的无内胎车轮轮辋实施例一的其他结构和功能基本相同，在此不再详细说明。
如图5所示，轮胎拆装深槽3呈扩口状，包括槽口31、槽底32和位于槽底32至槽口31之间的两槽侧壁，即邻接第一胎圈座41的第一槽侧壁33和邻接第二胎圈座42的第二槽侧壁34，其中：第一槽侧壁33的底边通过第一槽底过度转角部35与槽底32圆弧面过渡连接，第一槽侧壁33的顶边通过第一槽口过度转角部36与第一胎圈座41 圆弧面过渡连接；相对称的，第二槽侧壁34的底边通过第二槽底过度转角部37与槽底32圆弧面过渡连接，第二槽侧壁34的顶边通过第二槽口过度转角部38与第二胎圈座42圆弧面过渡连接。轮胎拆装深槽3的设置位置恰好使得第二槽底过度转角部37至可拆卸轮缘安装槽的最远距离L略小于所安装的轮胎的内径d。这样，在轮辋上安装轮胎时，轮胎拆装深槽3形成一定的冗余空间，利用该冗余空间使得轮胎顺利的安装在轮辋上。轮胎拆装深槽3的第一槽口过度转角部36和第二槽口过度转角部38所在的轮辋主体1外表面的直径尺寸大于所安装轮胎的内径尺寸d，使得在轮胎充气前轮胎的内径趾口(轮胎胎圈)两侧与第一槽口过度转角部36和第二槽口过度转角部38两侧形成密封腔，从而避免轮胎在充气时发生漏气。
如图9至图14所示，分别为本发明可拆装轮缘的无内胎车轮轮辋的实施例三至实施例八的未安装可拆卸轮缘时的局部断面结构示意图。该实施例三至实施例八与上述实施例二的主要区别在于槽底32的形状。其中，槽底32的形状可以呈平面(如图9所示)，也可以呈斜面(如图10、图11所示)，也可以呈阶梯面(如图12、图13所示)，还可以呈内凹弧面，但本发明对槽底32的形状也可以采用其他任何适宜的形状，只要起到使得轮胎顺利的安装在轮辋上作用的任何槽底形状均涵盖在本发明保护范围之内。实施例三至实施例八的其他结构和功能与上述实施例二基本相同，在此不再详细说明。
如图3、图5所示，进一步的，在轮胎拆装深槽3内开设有用于安装气门嘴6的气门嘴孔7。优选的，气门嘴孔7开设在靠近可拆卸轮缘22一侧的槽侧壁(即第二槽侧壁34)上，以便于气门嘴6延伸至轮辋外部的轮辐8一侧。
在本发明中，轮胎拆装深槽3的槽深范围为10mm～30mm；第一槽侧壁33和第二槽侧壁34的倾角为10°～60°；槽口31的宽度与轮辋主体1的宽度比例为1：5至1：2之间。当然，本发明对轮胎拆装深槽3也不限于此，只要能够与所安装轮胎尺寸相适配并满足上述功能要求的外形尺寸和比例均涵盖在本发明的保护范围之内。
本发明还提供了一种无内胎车轮，该无内胎车轮采用如上所述的可拆装轮缘的无内胎车轮轮辋。可拆装轮缘的无内胎车轮轮辋的具体结构和功效已在上文中详细描述，在此不再赘述。
综上所述，本发明的工作原理为：
安装轮胎(所安装的轮胎可以是无内胎轮胎，也可以是有内胎轮胎)时，可将轮胎的内径一面先套入到轮辋主体1的轮胎拆装深槽3内，轮胎的另一面先不套入轮辋主体1，此时轮胎呈倾斜状态，利用第二槽底过度转角部37至可拆卸轮缘安装槽5的最远距 离L略小于所安装的无内胎轮胎的内径d的结构，轮胎内径就能顺利通过第二胎圈座42的最大直径处，从而将轮胎安装在轮辋主体1上，由于轮胎拆装深槽3的第二槽口过度转角部38所在的轮辋主体1外表面的直径尺寸大于所安装轮胎的尺寸，因此在轮胎充气前，轮胎的内径趾口(轮胎胎圈)与深槽顶转角(即第二槽口过度转角部38)一侧就已形成了密封腔，利用在槽侧安装的气门嘴实现充气功能，充气时轮胎在气压作用下在轮辋体表面向左右不断滑移运动直到与轮辋固定轮缘和可拆卸轮缘接触，充气后的轮胎，依靠截锥状的第一胎圈座41和第二胎圈座42与轮胎左、右胎圈(趾口)配合、密封，从而轮胎与轮辋体形成了一个密封腔，保证了充气后该腔体不会漏气；轮胎充放气由设置在靠近可拆卸轮缘22一侧的槽侧壁上的气门嘴6实现。
拆卸轮胎时，与安装步骤顺序倒置，首先利用气门嘴6使轮胎放气，再卸下可拆卸轮缘22，将轮胎两面与轮辋主体1接触的部位压入到轮胎拆装深槽3内。用撬杠先使轮胎的一面脱离出轮辋主体1，这时轮胎居于倾斜状态，同理，利用斜线L尺寸小于轮胎内径R的原理，使轮胎逐渐脱离轮辋主体1，拆胎完成。
针对上述各实施方式的详细解释，其目的仅在于对本发明进行解释，以便于能够更好地理解本发明，但是，这些描述不能以任何理由解释成是对本发明的限制，特别是，在不同的实施方式中描述的各个特征也可以相互任意组合，从而组成其他实施方式，除了有明确相反的描述，这些特征应被理解为能够应用于任何一个实施方式中，而并不仅局限于所描述的实施方式。

Claims (13)

  1. 一种可拆装轮缘的无内胎车轮轮辋，包括轮辋主体和位于所述轮辋主体两侧的环形轮缘，其特征在于，所述环形轮缘的高度和形状与轮辋对应的有内胎轮胎的胎圈部位的高度和形状相适配，所述环形轮缘包括与所述轮辋主体一体成型且位于所述轮辋主体一侧的固定轮缘和位于所述轮辋主体另一侧的可拆卸轮缘，所述可拆卸轮缘能拆装的与所述轮辋主体相连接，沿所述轮辋主体外周设有供拆装轮胎使用的轮胎拆装深槽，由所述固定轮缘至所述轮胎拆装深槽之间的所述轮辋主体的外表面形成径向渐缩状的第一胎圈座，由所述可拆卸轮缘至所述轮胎拆装深槽之间的所述轮辋主体的外表面形成径向渐缩状的第二胎圈座，所述轮胎拆装深槽底部所在的所述轮辋主体外表面的直径小于所述第一胎圈座的直径及所述第二胎圈座的直径。
  2. 如权利要求1所述的可拆装轮缘的无内胎车轮轮辋，其特征在于，所述第一胎圈座和所述第二胎圈座均呈截锥状且相对横置排布，所述第一胎圈座的中心线和所述第二胎圈座的中心线均与所述轮辋主体的中心线重合，且所述第一胎圈座和所述第二胎圈座的外形尺寸均与所安装轮胎对应的外形尺寸相匹配。
  3. 如权利要求2所述的可拆装轮缘的无内胎车轮轮辋，其特征在于，所述第一胎圈座的锥度与所述第二胎圈座的锥度相等。
  4. 如权利要求1至3中任一项所述的可拆装轮缘的无内胎车轮轮辋，其特征在于，在所述轮辋主体上对应于所述可拆卸轮缘的位置开设有可拆卸轮缘安装槽，所述可拆卸轮缘与所述可拆卸轮缘安装槽卡接。
  5. 如权利要求4所述的可拆装轮缘的无内胎车轮轮辋，其特征在于，所述可拆卸轮缘安装槽呈U形。
  6. 如权利要求4所述的可拆装轮缘的无内胎车轮轮辋，其特征在于，所述可拆卸轮缘安装槽呈弯勾形，所述弯勾形的可拆卸轮缘安装槽的折弯部远离所述第二胎圈座设置。
  7. 如权利要求1至3中任一项所述的可拆装轮缘的无内胎车轮轮辋，其特征在于，所述轮胎拆装深槽呈扩口状，所述扩口状轮胎拆装深槽包括槽口、槽底和位于所述槽底至所述槽口之间的两槽侧壁，两所述槽侧壁与所述槽底之间分别通过槽底过度转角部相接，两所述槽侧壁与两所述胎圈座之间分别通过槽口过度转角部相接。
  8. 如权利要求7所述的可拆装轮缘的无内胎车轮轮辋，其特征在于，靠近所述可拆卸轮缘一侧的所述槽底过度转角部至所述可拆卸轮缘安装槽的最远距离L小于所安装的轮胎的内径d。
  9. 如权利要求7所述的可拆装轮缘的无内胎车轮轮辋，其特征在于，在所述轮胎拆装深槽内开设有用于安装气门嘴的气门嘴孔，优选的，所述气门嘴孔开设在靠近所述可拆卸轮缘一侧的所述槽侧壁上。
  10. 如权利要求7所述的可拆装轮缘的无内胎车轮轮辋，其特征在于，所述轮胎拆装深槽的槽深范围为10mm～30mm；所述槽侧壁的倾角为10°～60°；所述槽口的宽度与所述轮辋主体的宽度比例为1：5至1：2之间。
  11. 如权利要求7所述的可拆装轮缘的无内胎车轮轮辋，其特征在于，所述环形轮缘的高度为15mm～55mm。
  12. 如权利要求7所述的可拆装轮缘的无内胎车轮轮辋，其特征在于，所述槽底呈平面、斜面、阶梯面或内凹弧面。
  13. 一种无内胎车轮，其特征在于，所述无内胎车轮采用如权利要求1至12中任一项所述的可拆装轮缘的无内胎车轮轮辋。
PCT/CN2018/096392 2018-04-24 2018-07-20 一种可拆装轮缘的无内胎车轮轮辋及无内胎车轮 WO2019205311A1 (zh)

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