技术领域technical field
本发明是关于一种花毂结构，尤指一种应用于下坡车的花毂与飞轮组合结构。The invention relates to a flower hub structure, in particular to a combined structure of a flower hub and a flywheel applied to a downhill vehicle.
背景技术Background technique
自行车的变速系统，以换挡调整为因应各种不同的路况；其构件主要包含有飞轮、大齿盘、变速器、链条、变速拨杆、钢索等组件；其中该大齿盘是设于自行车的曲柄部位，其通常具有二至三片齿盘，并利用该变速拨杆进行齿盘切换；该飞轮则设于后车轮的花毂处，其通常具有5至10片的齿盘，并利用该变速器作为各该齿盘的切换；其结构所应用的变速原理，主要是借着动力源由曲柄相接的大齿盘输入，选择搭配不同的前、后齿盘，以得到不同的变速比。The transmission system of a bicycle is adjusted by shifting gears in response to various road conditions; its components mainly include flywheels, large chainrings, transmissions, chains, shift levers, steel cables and other components; the large chainrings are located on bicycles The crank part usually has two to three chainrings, and the shift lever is used to switch the chainrings; the flywheel is located at the hub of the rear wheel, which usually has 5 to 10 chainrings, and is used The transmission is used as a switch for each chainring; the shifting principle applied in its structure is mainly to use the power source to input the large chainring connected by the crank, and choose and match different front and rear chainrings to obtain different gear ratios .
惟，市面上常见的花毂结构，请配合参阅图7、8所示，其花毂本体50是包括一轴杆51，以及一穿设于轴杆51提供飞轮组60安装定位的棘轮套筒52，该棘轮套筒52与飞轮组60间是通过相对应的嵌槽结构卡嵌定位，以将飞轮组60嵌套于棘轮套筒52并形成同步的连动状态，且棘轮套筒52内壁环设有螺纹段521，最后再提供一限位螺帽53锁设于螺纹段521并同时抵靠飞轮组60，进而将飞轮组60限制于棘轮套筒52上，以完成花毂本体50与飞轮组60的组合，提供骑乘者骑乘时可通过变速拨杆进行齿盘的切换。However, for common flower hub structures on the market, please refer to Figures 7 and 8, the hub body 50 includes a shaft 51, and a ratchet sleeve that passes through the shaft 51 to provide the positioning of the flywheel 60. 52, the ratchet sleeve 52 and the flywheel set 60 are snapped and positioned through the corresponding slot structure, so that the flywheel set 60 is nested in the ratchet sleeve 52 and forms a synchronous linkage state, and the inner wall of the ratchet sleeve 52 The ring is provided with a threaded section 521, and finally a limit nut 53 is provided to be locked on the threaded section 521 and to abut against the flywheel set 60 at the same time, thereby restricting the flywheel set 60 to the ratchet sleeve 52 to complete the connection between the hub body 50 and the hub body 50. The combination of the flywheel group 60 provides that the rider can switch the chainrings through the shift lever when riding.
然，详观上述已知结构不难发觉其缺点之处，主要原因是归如下：其市面上的飞轮组60的齿盘数量皆对应棘轮套筒52的尺寸装配而成，进而限制最小齿盘的齿数，当行经下坡路段时，其多数最小齿盘的齿数顶多仅提供和缓坡度的踩踏速度，容易因坡度的增加或改变，无法经由控制飞轮组60的转动而掌控车速，不仅具有踩空的疑虑，另一方面亦缺乏再提供骑乘者踩踏加速的状态，相对降低结构实用性，反的若要再加装齿盘数量时，则还要再开发相对应的棘轮套筒52，进而增加研究、制造成本，不具经济效益；有鉴于此，本发明人于多年从事相关产品的制造开发与设计经验，针对上述的目标，详加设计与审慎评估后，终得一确具实用性的本发明。However, it is not difficult to find its disadvantages by looking at the above-mentioned known structure in detail. The main reason is as follows: the number of toothed discs of the flywheel set 60 on the market is assembled corresponding to the size of the ratchet sleeve 52, thereby limiting the smallest toothed disc. When driving downhill, the number of teeth of most of the smallest chainrings can only provide pedaling speed on a gentle slope at most, and it is easy to control the speed of the vehicle by controlling the rotation of the flywheel set 60 due to the increase or change of the slope. On the other hand, it also lacks the state of providing the rider with pedaling acceleration, which relatively reduces the practicality of the structure. On the contrary, if the number of chainrings is to be added, the corresponding ratchet sleeve 52 must be developed again, and then Increased research and manufacturing costs have no economic benefits; in view of this, the inventor has been engaged in the manufacturing, development and design of related products for many years. After detailed design and careful evaluation for the above-mentioned goals, he finally obtained a practical product. this invention.
发明内容Contents of the invention
本发明所欲解决的技术问题在于针对现有技术存在的上述缺点，提供一种花毂与飞轮组合结构。The technical problem to be solved by the present invention is to provide a combination structure of a hub and a flywheel in view of the above-mentioned shortcomings existing in the prior art.
一种花毂与飞轮组合结构，其包含：一花毂本体、一飞轮组、一衔接套筒以及一外接飞轮，一花毂本体包括一轴杆，以及一穿设于轴杆提供飞轮组安装定位的棘轮套筒，该棘轮套筒外壁形成若干以轴向配置的嵌接槽，且棘轮套筒内壁设有内螺纹段，一衔接套筒是中空具有一穿槽配合穿套于轴杆上，并以一端设有螺纹段的组合部与棘轮套筒锁固，再由组合部一体设有管径较小的穿套部，且穿套部外周缘设有外螺纹，提供一迫紧螺帽锁设，一外接飞轮具有若干以递减方式排列的齿盘，并于中央处形成一贯穿孔配合穿套于衔接套筒的穿套部，且外接飞轮最大齿盘是小于飞轮组最小齿盘的外径，并于最大齿盘的端面对应棘轮套筒的嵌接槽设有若干限位肋，通过上述结构，以构成一种花毂与飞轮组合结构。A combination structure of a hub and a flywheel, which includes: a hub body, a flywheel set, a connecting sleeve, and an external flywheel, a hub body includes a shaft, and a shaft is passed through the shaft to provide the installation and positioning of the flywheel A ratchet sleeve, the outer wall of the ratchet sleeve forms a number of embedding grooves arranged in the axial direction, and the inner wall of the ratchet sleeve is provided with an internal thread section, a connecting sleeve is hollow and has a groove to fit on the shaft, The combined part with threaded section at one end is locked with the ratchet sleeve, and then the combined part is integrally provided with a threaded part with a smaller diameter, and the outer periphery of the threaded part is provided with external threads to provide a tight nut lock It is assumed that an external flywheel has a number of chainrings arranged in a decreasing manner, and a through hole is formed at the center to fit through the threading part of the connecting sleeve, and the largest chainring of the external flywheel is smaller than the outer diameter of the smallest chainring of the flywheel set , and a number of limiting ribs are provided on the end face of the largest toothed plate corresponding to the embedding groove of the ratchet sleeve, through the above structure, a combined structure of a flower hub and a flywheel is formed.
对照先前技术的功效：Efficacy compared to previous techniques:
(一)、本发明是提供一衔接套筒与花毂本体的棘轮套筒衔接安装，有效达到棘轮套筒的延伸，用以提供外接飞轮的安装，且该衔接套筒亦能适用安装于市面上多数的花毂本体，其组装方便、快速，且构件简单，整体结构可达便利实用性者。(1) The present invention provides an adapter sleeve to be connected and installed with the ratchet sleeve of the hub body to effectively extend the ratchet sleeve to provide the installation of an external flywheel, and the adapter sleeve can also be installed on the market Most of the flower hub bodies in the world are easy and fast to assemble, and the components are simple, and the overall structure can reach the convenience and practicability.
(二)、其花毂本体与衔接套筒及外接飞轮的配合更是应用于下坡车种，通过衔接套筒以及外接飞轮的加装，进而增加飞轮齿盘的小齿轮的数量，也大幅降低最小齿轮的齿数，让骑乘者行经下坡路段时，可再将骑乘段数切换啮合至外接飞轮的齿盘，通过齿盘的圆径缩小以及齿数降低进而加重踩踏力道，令骑乘者可有效通过控制飞轮的转动而掌控车速，不仅能避免骑乘者于下坡路段有踩空的疑虑，另一方面还能让使用者可再施力踩踏加速，有效提升骑乘速度。(2) The cooperation between the hub body, the connecting sleeve and the external flywheel is applied to downhill vehicles. By adding the connecting sleeve and the external flywheel, the number of pinion gears on the flywheel chainring is increased, which is also greatly improved. Reduce the number of teeth of the smallest gear, so that when the rider is traveling downhill, he can switch the number of riding segments to mesh with the chainring of the external flywheel. Through the reduction of the diameter of the chainring and the reduction of the number of teeth, the pedaling force will be increased, so that the rider can By effectively controlling the speed of the vehicle by controlling the rotation of the flywheel, it can not only avoid the rider's doubts about stepping on the empty road on the downhill section, but also allow the user to apply more force to accelerate the pedal, effectively increasing the riding speed.
附图说明Description of drawings
为使审查员对本发明的目的、特征及功效能够有更进一步的了解与认识，以下兹请配合实施例及附图详述如后，其中：In order to enable the examiner to have a further understanding and understanding of the purpose, features and effects of the present invention, please refer to the detailed description below in conjunction with the embodiments and accompanying drawings, wherein:
图1为本发明的立体图。Fig. 1 is a perspective view of the present invention.
图2为本发明的分解图。Figure 2 is an exploded view of the present invention.
图3为本发明的衔接套筒、外接飞轮与花毂本体的分解图。Fig. 3 is an exploded view of the connecting sleeve, the external flywheel and the hub body of the present invention.
图4为本发明的衔接套筒、外接飞轮与花毂本体的剖视分解图。Fig. 4 is a cross-sectional exploded view of the connecting sleeve, the circumscribed flywheel and the hub body of the present invention.
图5为本发明的衔接套筒、外接飞轮与花毂本体的组合剖视图。Fig. 5 is a combined sectional view of the connecting sleeve, the circumscribed flywheel and the hub body of the present invention.
图6为已知的立体图。Fig. 6 is a known perspective view.
图7为已知的剖视图。Fig. 7 is a known sectional view.
具体实施方式detailed description
首先，先请参阅图1、2配合图3所示，一种花毂与飞轮组合结构，其包含：一花毂本体10、一飞轮组20、一衔接套筒30以及一外接飞轮40，一花毂本体10包括一轴杆11，以及一穿设于轴杆11提供飞轮组20安装定位的棘轮套筒12，该花毂本体10是应用于下坡车，其轴杆11直径可达12mm，该棘轮套筒12外壁形成若干以轴向配置的嵌接槽121，且棘轮套筒12内壁设有内螺纹段122，一飞轮组20是一体成型具有若干以递减方式排列的齿盘201，且齿盘201间皆具有预设间距，另外亦可以组合方式包括一第一飞轮21以及一第二飞轮22，该第一、二飞轮21、22是以递减方式依序设有若干齿盘201，且齿盘201间皆具有预设间距，并依序排列限制于花毂本体10的棘轮套筒12，且第二飞轮22邻靠第一飞轮21的端面是凸设有若干间隔凸肋221(如图4所示)，又飞轮组20还包括有至少一连动齿盘23，该连动齿盘23外径是延续飞轮组20依序递减，且连动齿盘23皆又搭配一垫片231，一衔接套筒30是中空具有一穿槽31配合穿套于轴杆11上，并以一端设有螺纹段的组合部32与棘轮套筒12锁固，再由组合部32一体设有管径较小的穿套部33，且穿套部33外周缘设有外螺纹331，提供一迫紧螺帽34锁设，又穿套部33邻靠组合部32设有非圆状工具锁固部35，一外接飞轮40具有若干以递减方式排列的齿盘41，并于中央处形成一贯穿孔42，该贯穿孔42两侧端口是呈阶嵌状形成一套束部421以及一嵌接部422，通过套束部421配合穿套于衔接套筒30的穿套部33，且嵌接部422的内径略大于棘轮套筒12的外径，该外接飞轮40最大齿盘41是小于飞轮组20最小齿盘201的外径，并于最大齿盘41邻靠端口的端面对应棘轮套筒12的嵌接槽121设有若干限位肋43，而外接飞轮40最小齿盘41的齿数是以八或九齿呈现。First of all, please refer to Figures 1 and 2 together with Figure 3, a hub and flywheel combination structure, which includes: a hub body 10, a flywheel assembly 20, a connecting sleeve 30 and an external flywheel 40, a flower hub The hub body 10 includes a shaft 11, and a ratchet sleeve 12 pierced through the shaft 11 to provide the installation and positioning of the flywheel 20. The hub body 10 is used in downhill vehicles, and the diameter of the shaft 11 can reach 12mm. The outer wall of the ratchet sleeve 12 forms a number of engagement grooves 121 arranged in the axial direction, and the inner wall of the ratchet sleeve 12 is provided with internal thread segments 122. A flywheel set 20 is integrally formed with a number of toothed discs 201 arranged in a decreasing manner, and There is a preset distance between the toothed discs 201. In addition, a first flywheel 21 and a second flywheel 22 may be combined. The first and second flywheels 21, 22 are sequentially provided with a plurality of toothed discs 201 in a descending manner. And there is a preset distance between the toothed discs 201, and the ratchet sleeve 12 limited to the hub body 10 is arranged in order, and the end surface of the second flywheel 22 adjacent to the first flywheel 21 is protrudingly provided with several spaced ribs 221 ( As shown in Figure 4), the flywheel set 20 also includes at least one chainring 23, the outer diameter of the chainring 23 continues to decrease in order from the flywheel set 20, and the chainring 23 is matched with a pad piece 231, a connecting sleeve 30 is hollow and has a through groove 31 to fit on the shaft 11, and the combination part 32 with a threaded section at one end is locked with the ratchet sleeve 12, and then the combination part 32 is integrated. There is a threading part 33 with a small pipe diameter, and the outer periphery of the threading part 33 is provided with an external thread 331 to provide a locking nut 34 for locking, and the threading part 33 is provided with a non-circular tool lock adjacent to the combination part 32 The solid part 35, an external flywheel 40 has a number of chainrings 41 arranged in a decreasing manner, and a through hole 42 is formed in the center, and the ports on both sides of the through hole 42 are stepped to form a harness part 421 and an embedding part. Part 422, through the harness part 421 fits through the threading part 33 of the connecting sleeve 30, and the inner diameter of the embedding part 422 is slightly larger than the outer diameter of the ratchet sleeve 12, and the largest chainring 41 of the circumscribed flywheel 40 is smaller than the flywheel The outer diameter of the smallest toothed disc 201 of group 20, and the end face of the largest toothed disc 41 adjacent to the port is provided with a number of limiting ribs 43 corresponding to the engagement groove 121 of the ratchet sleeve 12, and the number of teeth of the smallest toothed disc 41 of the external flywheel 40 is Presented with eight or nine teeth.
其结构的组成暨实际使用的状态，再请参阅图2、3配合图4、5所示，该花毂本体10是通过棘轮套筒12提供飞轮组20的安装，并利用嵌接槽121达到飞轮组20的穿套定位，且该飞轮组20可为组合式具有第一飞轮21以及第二飞轮22，依据齿盘201大小递减穿套于棘轮套筒12上形成定位，而第二飞轮22的端面邻靠第一飞轮21还设有间隔凸肋221，令第一、二飞轮21、22间能通过间隔凸肋221保有适当间距，且当棘轮套筒12还有余隙提供齿盘组设时，则还能再提供单一的连动齿盘23依序递减穿设于棘轮套筒12上，提升飞轮组20的变速段数，该衔接套筒30是以穿槽31穿套于轴杆11上，并以组合部32与棘轮套筒12的内螺纹段122锁固形成连动，使棘轮套筒12可再通过衔接套筒30达到延长，尤其应用于下坡车的花毂本体10，进而增加可再安装飞轮的空间，以提供外接飞轮40的穿套组设，其外接飞轮40是以贯穿孔42的套束部421穿设于衔接套筒30的穿套部33，再以嵌接部422邻靠于飞轮组20的最小齿盘201或是连动齿盘23，通过嵌接部422的限位肋43与棘轮套筒12的嵌接槽121嵌合连动，并同时抵靠最小齿盘201或是连动齿盘23的外端壁界定出预设间距，最后将迫紧螺帽34锁入衔接套筒30的外螺纹331限制定位，使飞轮组20与外接飞轮40间形成齿盘总数高达12片，综上所述，以完成花毂与飞轮组合结构。The composition of its structure and the state of actual use, please refer to Figures 2 and 3 in conjunction with Figures 4 and 5, the hub body 10 provides the installation of the flywheel set 20 through the ratchet sleeve 12, and uses the embedding groove 121 to achieve The positioning of the flywheel set 20, and the flywheel set 20 can be combined with a first flywheel 21 and a second flywheel 22, which are threaded on the ratchet sleeve 12 to form positioning according to the size of the toothed disc 201, and the second flywheel 22 The end face adjacent to the first flywheel 21 is also provided with spacer ribs 221, so that the first and second flywheels 21, 22 can maintain a proper distance through the spacer ribs 221, and when the ratchet sleeve 12 still has clearance to provide the chainring assembly In this case, a single interlocking chainring 23 can be provided to be threaded on the ratchet sleeve 12 in descending order to increase the number of shifting stages of the flywheel set 20. , and the combination part 32 is locked with the internal thread section 122 of the ratchet sleeve 12 to form a linkage, so that the ratchet sleeve 12 can be extended through the connecting sleeve 30, especially for the hub body 10 of the downhill vehicle. Furthermore, the space for reinstalling the flywheel is increased to provide the threading assembly of the circumscribed flywheel 40. The circumscribed flywheel 40 is set through the sleeve portion 421 of the through hole 42 on the sleeve portion 33 of the connecting sleeve 30, and then inserted The connecting portion 422 is adjacent to the smallest chainring 201 of the flywheel set 20 or the interlocking toothing plate 23, and the limiting rib 43 of the engaging portion 422 is engaged with the engaging groove 121 of the ratchet sleeve 12 for interlocking motion, and at the same time abuts against The preset distance is defined by the outer end wall of the smallest toothed plate 201 or the interlocking toothed plate 23, and finally the locking nut 34 is locked into the external thread 331 of the connecting sleeve 30 to limit the positioning, so that the flywheel group 20 and the external flywheel 40 The total number of tooth discs formed between them is as high as 12 pieces. In summary, the combined structure of the hub and the flywheel is completed.
再者，该衔接套筒30可沿用安装于市面上常见的花毂本体10上，利用组合部32与棘轮套筒12的内螺纹段122锁设固定，进而通过衔接套筒30达到棘轮套筒12的延伸，能再额外加装外接飞轮40，而较佳的组装方式，是将现有安装于花毂本体10的飞轮拆下，通过飞轮组20以及外接飞轮40依序的安装，准确达到飞轮齿盘的递减排列，进而增加飞轮变速段数。Furthermore, the connecting sleeve 30 can be installed on the common hub body 10 on the market, and the combination part 32 is locked and fixed with the internal thread section 122 of the ratchet sleeve 12, and then the connecting sleeve 30 reaches the ratchet sleeve. The extension of 12 can additionally install an external flywheel 40, and a better assembly method is to remove the existing flywheel installed on the hub body 10, and install the flywheel set 20 and the external flywheel 40 in order to accurately achieve The descending arrangement of the flywheel chainrings increases the number of gear shifting stages of the flywheel.
通过上述具体实施例的结构，可得到下述的效益：By the structure of above-mentioned specific embodiment, can obtain following benefit:
(一)本发明是提供一衔接套筒30与花毂本体10的棘轮套筒12衔接安装，有效达到棘轮套筒12的延伸，用以提供外接飞轮40的安装，且该衔接套筒30亦能适用安装于市面上多数的花毂本体10，并通过飞轮组20以及外接飞轮40的替换，能达到齿盘段数完美的衔接状态，其组装方便、快速，且构件简单，整体结构可达便利实用性。(1) The present invention provides an adapter sleeve 30 to be connected and installed with the ratchet sleeve 12 of the hub body 10 to effectively achieve the extension of the ratchet sleeve 12 to provide the installation of the external flywheel 40, and the adapter sleeve 30 is also It can be installed on most of the hub bodies 10 on the market, and through the replacement of the flywheel set 20 and the external flywheel 40, it can achieve a perfect connection state of the number of sprocket segments. Its assembly is convenient and fast, and the components are simple, and the overall structure is convenient. practicality.
(二)其花毂本体10与衔接套筒30及外接飞轮40的配合更是应用于下坡车种，通过衔接套筒30以及外接飞轮40的加装，进而增加飞轮的小齿盘的数量，也大幅降低最小齿盘的齿数，让骑乘者行经下坡路段时，可再将骑乘段数切换啮合至外接飞轮40的齿盘41，通过齿盘41的圆径缩小以及齿数降低进而加重踩踏力道，令骑乘者可有效通过控制飞轮的转动而掌控车速，不仅能避免骑乘者于下坡路段有踩空的疑虑，另一方面还能让使用者可再施力踩踏加速，有效提升骑乘速度。(2) The cooperation of the hub body 10, the connecting sleeve 30 and the external flywheel 40 is applied to downhill vehicles, and the number of small toothed discs of the flywheel is increased by adding the connecting sleeve 30 and the external flywheel 40 , and also greatly reduce the number of teeth of the smallest chainring, so that when the rider is traveling on a downhill section, he can switch the number of riding segments to mesh with the chainring 41 of the external flywheel 40, and the diameter of the chainring 41 is reduced and the number of teeth is reduced to increase pedaling Power, so that the rider can effectively control the speed of the car by controlling the rotation of the flywheel, which not only avoids the rider’s doubts about stepping on the empty road on the downhill section, but also allows the user to apply more force to step on the acceleration, effectively improving the ride Multiply by speed.
综上所述，本发明确实已达突破性的结构设计，而具有改良的发明内容，同时又能够达到产业上的利用性与进步性，且本发明未见于任何刊物，亦具新颖性，当符合专利法相关法条的规定，故依法提出发明专利申请。To sum up, the present invention has indeed achieved a breakthrough structural design, has improved invention content, and at the same time can achieve industrial applicability and advancement, and the present invention has not been seen in any publications, and it is also novel. It complies with the provisions of the relevant provisions of the Patent Law, so an application for a patent for invention is filed according to law.
唯以上所述的，仅为本发明的一较佳实施例而已，当不能以之限定本发明实施的范围；即凡是依本发明申请专利范围所作的均等变化与修饰，皆应仍属本发明权利要求涵盖的范围内。Only the above is only a preferred embodiment of the present invention, and should not be used to limit the scope of the present invention; that is, all equivalent changes and modifications made according to the patent scope of the present invention should still belong to the present invention within the scope of the claims.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510310559.9ACN106275229A (en) | 2015-06-09 | 2015-06-09 | Hub and flywheel combined structure |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510310559.9ACN106275229A (en) | 2015-06-09 | 2015-06-09 | Hub and flywheel combined structure |
| Publication Number | Publication Date |
|---|---|
| CN106275229Atrue CN106275229A (en) | 2017-01-04 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510310559.9APendingCN106275229A (en) | 2015-06-09 | 2015-06-09 | Hub and flywheel combined structure |
| Country | Link |
|---|---|
| CN (1) | CN106275229A (en) |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | Application publication date:20170104 |