M349337 八、新型說明： 【新型所屬之技術領域】 本創作係與自行車之前花鼓構造有關，尤指一種供各 種不同粗細大小之車心組配，而不必更換中管的設計。 【先前技術】 請參閱「圖1」所示，係習知的前花鼓結構，包含一 兩，貫通中空之前花鼓卜該前花鼓i之左右側各套接一 _ 側蓋2，該侧蓋2係兩端貫通可供一大型之車心3 (直徑為 2〇咖）穿設，該車心3左右兩端係凸伸於該側蓋2之外端 面，供自行車之前又（圖未示）套合再藉—_5鎖合， 由於直徑較大的自行車車心3可承缝大的重力，常被應 用在下坡車，也就是表演用的車種，會因自行車由高處往 下衝整個重力針於神輪，所财受重力哺車輪車心 3必須具備足夠的強度。 『又有一種登山車，其前花鼓1如「圖2」所示，使用 • 的車心3a直徑較下坡車細小（約是9咖）。因此以同—個 前花鼓1要供不同直徑大小的車心3、3a組配，必再藉由 中間的個中管4才能讓較細小的車心3a組配在前花鼓 1 ’以該中管4先套入該前花鼓1内，該中管4内徑為9 _， 可供相對外徑大小的車心3a穿入，而因車心㈤較細小， 因此組配在前花鼓1左右側之側蓋2也要換下來，以另一 種規格的側蓋2a鎖在車心3a。當然亦有另一種跑車，大 M349337 部分是在平地使用的，講究岐㈣_，其前花鼓i如 .旧3」所組配的車心3b又是另—種規格，與其配合的側 盡2b結構也不-樣。因此，以同一個前花鼓】而要提供不 同大小直徑的三種車心3、3a、3b組配，第1:要拆下車 心3 ’組裝中管4才能供不同大小直徑的車心⑹、％套合， 第2 :要更換側蓋2再依不同規格之車心如、此決定配口人 之側蓋2a、2b’第3 ··側蓋2係鎖在車心3之左右侧必須口 使用工具’侧蓋2a、2b亦鎖在中管4得彻工具才能組拆， 可以想見的是組配對應的元件多相當麻煩，且要藉助工呈 不易操作。 【新型内容】 本創作之主要目的，在於提供—種紋财同車心之 前花鼓，細-倾紐提供數不狀小的車心組 配’以變換各車_自行車，可紐使财管紅具之麻 煩。 經由以上可知，為達上述目的’本創作提出一種易更 換不同車心之前花鼓，包含一中空之前花鼓，該前花鼓左 右侧設一對封蓋，該封蓋可供一對側蓋及不同規格内徑之 數内套管她，各不同規格之喊Η心再供—相對粗細 之車心穿入，該車心之左右端可凸出於該兩套管之外端面 供自仃車則叉套上’再藉一螺釘或螺母鎖合，該對侧蓋可 供較大車心組配，作為下坡車使用，而各對内套管係供各 6 M349337 不同直徑大小之車心套合，藉此變換出各種不同用途之自 憐使用，可減少-中管組件及免用工具組拆之麻煩。 藉由上述之技術方案，本創作至少具有以下之優點： -、本齡前花鼓杨藉由巾管來純和，因此可 省掉中管元件，組件減少可省成本且組拆更為簡單快速。 二、本創作前花鼓左右侧之_蓋，及數對不同内徑 .之祕Ή紐接套接在前花鼓左糊之封蓋，科必藉助 φ 工具鎖合，使操作換裝車心更為便利。 二、本創作以一前花鼓提供不同組細大小之車心組 配’變換出下坡車、登山車、跑車及其它特種用途之自行 車’達多樣組配之整合功能。 【實施方式】 清參考「圖4-1及圖5」所示’本創作易更換不同車 心之前花鼓，包含： 鲁 -兩端貫通呈中空之前花鼓10 ’該前花鼓10左右開 口各組配一封蓋11。 二兩端貫通之側蓋20，其内侧開口 21之孔徑係大於 外側’可直接套在該前花鼓1〇之封蓋11上，該側蓋20内 侧開口 21設一密封環22。 數對不同内徑之内套管20a、20b、20c如「圖4-2至 4-4」’該各對内套管2〇a、2〇b、2〇c係左右貫通呈中空， 並可套進於該封蓋η内，且各内套管2〇a、20b、20c外周 M349337 壁設二密封環22a、22b、22c。 數不同大小直徑之車心30、30a、30b、30c，分別為 下皮車登山車、跑車及特種自行車使用之車心，其中‘車 心30直徑為2〇 最大直徑具足夠強度，供下坡車叢配 使用，該車心3〇係穿套在該對侧蓋20中心，且左右端可 凸伸出該對侧蓋2〇之左右側端面，供自行車前叉（圖未示） 套合，該車心30左右側各設螺紋孔，且分別藉一螺釘23 g 鎖合而固結一起。 該對内套管20a如「圖6」，係可直接塞進於該前花鼓 10封蓋11之内徑，該内套管2〇a之内徑為15mm，可供15 麵直徑之登山車車心30a穿入套設，該車心30a之左右端 係凸出該内套管20a可供自行車之前叉套入，且其左右側 各設一螺紋孔，可分別藉一螺釘23a鎖進而固結一起，又 該内套管20a之外周環設二密封環22a。 瞻·而「圖7」之内套管20b，其外徑係可塞進於該前花鼓 - 1〇之封蓋Η内，該内套管20b之内徑為9mm，可供一端 具有快拆31另一端具有一螺紋段，而直徑為g麵之跑車車 心30b穿設，該車心3〇b之右端係凸出該内套管2〇b可供 自行車之前叉套入，再藉右侧一螺母24b鎖在其螺紋段， 使固結於該自行車上，又該内套管2〇b之外周圈設二密封 環 22b 〇 圖8」所示之内套管20c ’係供一端連結有快拆31之M349337 VIII. New description: [New technical field] This creation department is related to the structure of the hub before the bicycle, especially for the design of the car cores of different thicknesses without having to replace the middle tube. [Prior Art] Please refer to the conventional front drum structure shown in Fig. 1. It consists of one or two. Before the hollow, the front and rear sides of the front hub are attached to each other. The side cover 2 is covered. The two ends of the car are provided for a large car center 3 (diameter of 2 〇 coffee), and the left and right ends of the car body 3 are protruded from the outer end surface of the side cover 2 for the bicycle before (not shown) The combination of re-borrowing - _5 lock, because the larger diameter of the bicycle car 3 can be used to sew large gravity, often used in downhill vehicles, that is, the type of performance, will be because the bicycle from the high point down the entire gravity The needle is used in the god wheel, and the money is fed by the gravity car wheel 3 must have sufficient strength. "There is another type of mountain bike. The front hub 1 is shown in Figure 2. The diameter of the car 3a is smaller than that of the downhill car (about 9 coffee). Therefore, the same front hub 1 is to be assembled for the car cores 3 and 3a of different diameters, and the middle tube 4 can be used to match the smaller car center 3a to the front hub 1'. The tube 4 is first inserted into the front hub 1 , and the inner tube 4 has an inner diameter of 9 _, which can be inserted into the car core 3a of the relative outer diameter, and the car center (five) is small, so it is assembled in the front hub 1 The side cover 2 is also replaced, and the side cover 2a of another specification is locked to the car core 3a. Of course, there is another sports car. The large M349337 is used in the flat area. It pays attention to the 岐(4)_, and the front hub 3, such as the old 3", is the other type of specification, and the side 2b structure is matched with it. Not the same. Therefore, the same front hub is to be provided with three types of car cores 3, 3a, 3b of different sizes and diameters. The first one is to remove the car center 3 'assembling the middle pipe 4 for the car cores of different sizes (6), % Fitting, 2nd: To replace the side cover 2 and then according to different specifications of the car, such as the side cover 2a, 2b' of the matching person 3rd · · side cover 2 is locked on the left and right side of the car 3 must Using the tool 'side covers 2a, 2b are also locked in the middle tube 4 to get the tools apart. It is conceivable that it is quite troublesome to assemble the corresponding components, and it is difficult to operate by means of the work. [New content] The main purpose of this creation is to provide - the kind of grain and the same car before the hub, the fine-to-turn the number of the car is not a small car group with the 'to change the car _ bicycle, can make the financial red Have trouble. According to the above, in order to achieve the above purpose, the present invention proposes an easy-to-replace different hubs, including a hollow front hub, and a pair of covers on the left and right sides of the front hub, the cover being available for a pair of side covers and different specifications. The inner diameter of the casing is her, the different specifications of the shouting heart re-supply - the relatively thick car core penetrates, the left and right ends of the car heart can protrude from the outer end of the two casings for the fork Put on a 'locked by a screw or a nut, the pair of side covers can be used for a larger car center, used as a downhill car, and each pair of inner casings is provided with 6 M349337 calipers of different diameters. In this way, the self-pity use of various uses can be changed, which can reduce the trouble of the middle tube assembly and the free tool set. With the above technical solution, the present invention has at least the following advantages: - The former flower drum Yang is pure by the towel tube, so the middle tube component can be omitted, the component can be reduced, the cost can be saved, and the group disassembly is simpler and faster. . Second, before the creation of the left and right sides of the hub, _ cover, and a number of pairs of different inner diameter. The secret link is attached to the front of the front drum drum paste, the section will be locked by the φ tool, so that the operation of the car is more For convenience. 2. This creation provides a combination of different types of small-sized car cores with a front hub to transform the downhill trucks, mountain bikes, sports cars and other special-purpose bicycles into a variety of integrated functions. [Embodiment] With reference to "Figure 4-1 and Figure 5", the original drum is replaced by a different drum. It includes: Lu A cover of 11. The inner side opening 21 of the side cover 20 has a larger aperture than the outer side, and can be directly sleeved on the cover 11 of the front hub 1 . The inner side opening 21 of the side cover 20 is provided with a sealing ring 22. The pair of inner sleeves 20a, 20b, 20c of different inner diameters are as shown in "Fig. 4-2 to 4-4", and the pair of inner sleeves 2〇a, 2〇b, 2〇c are hollowed to the left and right, and The cover η can be fitted into the cover η, and the inner circumferences M349337 of the inner sleeves 2〇a, 20b, 20c are provided with two seal rings 22a, 22b, 22c. The car cores 30, 30a, 30b, and 30c of different diameters and diameters are respectively used for the lower car mountain bikes, sports cars and special bicycles, wherein the 'car heart 30 has a diameter of 2 inches and the maximum diameter has sufficient strength for the downslope. The vehicle body is matched and used, and the car center 3 is sleeved in the center of the pair of side covers 20, and the left and right ends can protrude from the left and right side end faces of the pair of side covers 2, for the bicycle front fork (not shown) The left and right sides of the car center 30 are respectively provided with screw holes, and are respectively fixed by a screw 23 g to be locked together. The pair of inner sleeves 20a, such as "FIG. 6", can be directly inserted into the inner diameter of the front hub 10 cover 11. The inner sleeve 2〇a has an inner diameter of 15 mm and can be used for a 15-sided mountain bike. The car core 30a is inserted into the sleeve, and the left and right ends of the car core 30a protrude from the inner sleeve 20a for the bicycle front fork to be inserted, and the left and right sides thereof are respectively provided with a threaded hole, which can be locked by a screw 23a Together, the inner sleeve 20a is provided with two seal rings 22a on the outer circumference. The inner sleeve 20b of Fig. 7 has an outer diameter which can be inserted into the front hub - 1 封 cover ,. The inner sleeve 20b has an inner diameter of 9 mm and can be quickly removed at one end. The other end has a threaded section, and the sports car center 30b having a diameter of g face is disposed. The right end of the car center 3〇b protrudes from the inner sleeve 2〇b for the front fork of the bicycle, and then borrows right. The side nut 24b is locked in the threaded portion thereof to be fixed on the bicycle, and the outer sleeve 2b is provided with two sealing rings 22b in the outer circumference of the inner sleeve 2b. The inner sleeve 20c' shown in Fig. 8" is connected at one end. There is a quick release 31
大部分是組配在跑車或 ’又該内套管2〇c之外周壁環設Most of them are assembled in a sports car or ‘and the inner casing 2〇c is surrounded by a peripheral wall.
M349337 車心咖組配，該車心縦是實心直徑為5_，另—端設 有一螺紋段供另一螺母24c鎖合， 特種車使用之前花鼓1〇上 一禮封環22c。 藉上述之結構，麵置上本_射⑷G左右側如套 接側蓋2〇 ’可供直徑較粗大的車心3〇穿接，由於車心3〇 的強度夠可負綱重力較大，可作為下坡車使用。 β而當本創作前花鼓10要做為登山車使㈣，由於登山 車是要行走在觀較差會有織狀況的路面，車心可更換 為15 _，在更換上則可以手取下該側蓋2〇及車心} 將内套管20a塞進於封蓋η，再穿接15_車心施於 左右兩内套管20a之雜，再鎖接螺針咖使固結一起。 同理如要組配9 _車心30b、或跑車使狀車心咖 於前花鼓1G上，亦是直接取下内套管施，塞人不同規招 之内套管20b或内套管20c，供相對大小之車心3此或車 心30c套合，再將螺母24b、24c鎖在車心3〇b、3此之螺 紋段即可。 因此本創作前花鼓1〇在更換不同車心3〇 3〇a、3〇b、 30c時’只要更換前花鼓1 〇左右側不同規格的内套管2此、 20b、20c及組拆側蓋20即可，而不必藉助任何工具，具 便利性。加上本創作之側蓋20内徑設有密封環22，各内 套管20a、20b、20c之外周壁分別設兩圈密封環22a、22b、 9 M349337 22c ’可緊密與該前花鼓10之封蓋n密合，具良好之密封 效果’防止外面之灰塵姑轉人前花鼓1〇内。 值得一提的是，本創作前花鼓10藉由不_徑之内套 管20a、20b、20c與各不同規格車心3〇a、3〇b、3〇c連結， 以變換數車種之自行車使用’更換上僅仙前花鼓ι〇左右 側不同型號的内套管2〇a、2〇b、2Gc，即可供不同粗細之 車心30a、30b、30c組配，與習知之前花鼓i如「圖卜3」 她，可省掉巾f 4元件’使配合元件少，可減少製造成 本’且使更換容易快速。 綜上所陳，本創作已如專利說明書及圖式内容製成樣 品，且經多次使用測試證明誠能達到其所預期之目的及功 效，爰依專利法之規定向鈞局提出專利申請。 惟以上所述者，僅為本創作之較佳實施例而已，當不 能以之限定本創作實施之範圍，即大凡依本創作申請專利 範圍所作之均等變化與修飾，皆應仍屬本創作專利涵蓋之 範圍内。 M349337 【圖式簡單說明】 圖1係習知下坡車前花鼓組配大型車心之立體分解圖。 圖2係習知登山車前花鼓使用車心之立體分解圖。 圖3係習知跑車前花鼓使用車心之立體分解圖。 圖4-1係本創作為下坡車使用最大車心之立體分解圖。 圖4-2係本創作為登山車使用15腿車心之立體分解圖。 圖4-3係本創作為跑車使用9丽車心之立體分解圖。 圖4-4係本創作為特種自行車使用5mm車心之立體分解圖。 圖5係本創作組配最大車心之組合剖視圖。 圖6係本創作組配15 mm車心之組合剖視圖。 圖7係本創作組配9腿車心之組合剖視圖。 圖8係本創作組配5臟車心之組合剖視圖。 【主要元件符號說明】 習知部分 I :前花鼓 2、 2a、2b :側蓋 3、 3a、3b ··車心 4 :中管 5 :螺栓 本創作部分 10 :前花鼓 II :封蓋 11 M349337 20 :側蓋 20a、20b、20c :内套管 21 :開口 22、 22a、22b、22c:密封環 23、 23a :螺釘 24b、24c :螺母 30、30a、30b、30c :車心 31 :快拆 12M349337 car heart coffee combination, the car heart is a solid diameter of 5_, the other end has a threaded section for the other nut 24c lock, before the special car is used, the drum is 1 〇 a gift ring 22c. By the above structure, the left side of the _shooting (4)G is placed on the side of the socket, such as the side cover 2〇', which can be worn by the stern of the car having a relatively large diameter, and the strength of the stern of the car is sufficient to reduce the gravity. Can be used as a downhill car. β. When the front of the creation, the hub 10 is to be used as a mountain bike (4). Since the mountain bike is to walk on a pavement with a poor view, the car can be replaced with 15 _, and the replacement can be removed by hand. 2〇 and car core} The inner sleeve 20a is stuffed into the cover η, and then the 15_car is applied to the left and right inner sleeves 20a, and then the screw needles are locked to be consolidated. In the same way, if you want to assemble 9 _ car 30b, or the sports car to make the heart of the car on the front hub 1G, it is also directly removed from the inner casing, the inner casing 20b or the inner casing 20c For the relative size of the car core 3 or the car core 30c fit, and then lock the nuts 24b, 24c in the car core 3〇b, 3 thread segment. Therefore, before the creation of the flower drum 1〇 when replacing the different car hearts 3〇3〇a, 3〇b, 30c 'just replace the front ring 1 〇 left and right sides of different specifications of the inner casing 2 this, 20b, 20c and group side cover 20 can be used without the need for any tools, convenience. In addition, the inner side of the side cover 20 of the present invention is provided with a sealing ring 22, and the outer peripheral walls of each inner sleeve 20a, 20b, 20c are respectively provided with two ring seal rings 22a, 22b, 9 M349337 22c' which can be closely coupled with the front hub 10 The cover n is tightly closed and has a good sealing effect'. Prevent the dust outside from turning around the front drum. It is worth mentioning that, before the creation, the hub 10 is connected with the different sizes of the car cores 3〇a, 3〇b, 3〇c by the casings 20a, 20b, 20c which are not in the path to change the number of bicycles. Use 'replace the inner sleeves of the different types of inner sleeves 2〇a, 2〇b, 2Gc on the left and right sides of the fairy drum, 即, which can be used for the different weights of the car cores 30a, 30b, 30c, and the conventional hubs i For example, "Tub 3", she can save the towel f 4 components 'to make fewer matching components, which can reduce the manufacturing cost' and make the replacement quick and easy. In summary, this creation has been sampled as a patent specification and schema content, and has been tested by many times to prove that it can achieve its intended purpose and effectiveness, and file a patent application with the bureau in accordance with the provisions of the Patent Law. However, the above is only the preferred embodiment of the present invention. When it is not possible to limit the scope of the implementation of this creation, that is, the equivalent change and modification of the patent application scope of this creation should still belong to this creation patent. Within the scope of coverage. M349337 [Simple description of the diagram] Figure 1 is a three-dimensional exploded view of a large-sized car center in the front of the downhill front. Fig. 2 is a perspective exploded view of the front of the conventional mountain bike using the car. Fig. 3 is a perspective exploded view of the front of the hub of the sports car using the car. Figure 4-1 is an exploded view of the maximum car center used for the downhill car. Figure 4-2 is an exploded view of the 15-legged car used for the mountain bike. Figure 4-3 is an exploded view of the car used in the sports car. Figure 4-4 is an exploded view of the 5mm car center used for special bicycles. Figure 5 is a cross-sectional view of the combination of the original car and the largest car. Figure 6 is a cross-sectional view of the combination of the 15 mm car core of the creation team. Figure 7 is a cross-sectional view of the combination of the 9-leg car of the creation group. Figure 8 is a cross-sectional view of the combination of the creative group and the 5 dirty car center. [Main component symbol description] Conventional part I: Front hub 2, 2a, 2b: Side cover 3, 3a, 3b · Car center 4: Middle tube 5: Bolt Original part 10: Front hub II: Cover 11 M349337 20: side covers 20a, 20b, 20c: inner sleeve 21: openings 22, 22a, 22b, 22c: seal rings 23, 23a: screws 24b, 24c: nuts 30, 30a, 30b, 30c: car core 31: quick release 12