TWM459172U - Driving module of bicycle - Google Patents
Driving module of bicycle Download PDFInfo
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- TWM459172U TWM459172U TW102201313U TW102201313U TWM459172U TW M459172 U TWM459172 U TW M459172U TW 102201313 U TW102201313 U TW 102201313U TW 102201313 U TW102201313 U TW 102201313U TW M459172 U TWM459172 U TW M459172U
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Abstract
Description
本創作係相關於一種自行車驅動模組，尤指一種具諧波減速裝置之自行車驅動模組。The present invention relates to a bicycle driving module, and more particularly to a bicycle driving module with a harmonic reduction device.
一般習知之自行車皆是利用人力踩踏自行車之踏板，以驅動鏈輪旋轉，進而帶動鏈條驅動後輪轉動，以使自行車前進。一般人騎乘一段時間之後容易產生疲累，尤其是老年人。所以漸漸地發展出利用電力產生動能之電動自行車。電動自行車之馬達轉速較快，因此需利用減速裝置將馬達之高轉速動力轉換為低轉速動力，且經由減速裝置之轉換後才能具有高扭力之輸出特性。然而，一般減速裝置之減速比較低，無法有效率地轉換馬達之動力，再者，習知之電動自行車之驅動模組無法在人力及馬達動力之間有效率地切換以驅動電動自行車。Generally, the conventional bicycles use a human pedal to pedal the bicycle to drive the sprocket to rotate, thereby driving the chain to drive the rear wheel to rotate to advance the bicycle. It is easy for the average person to get tired after riding for a while, especially for the elderly. Therefore, electric bicycles that use electricity to generate kinetic energy have been gradually developed. The electric bicycle has a faster motor speed. Therefore, the high-speed power of the motor is converted into a low-speed power by using a reduction gear, and the output characteristics of the high torque can be obtained by the conversion of the reduction gear. However, the deceleration of the conventional deceleration device is relatively low, and the power of the motor cannot be efficiently converted. Moreover, the drive module of the conventional electric bicycle cannot efficiently switch between the manpower and the motor power to drive the electric bicycle.
使用高減速比的諧波減速裝置之目的有二個，第一個目的為降低終速，以符合法規及避免高速危險；第二個目的為提高扭力以改善起步及爬坡或載重能力。There are two purposes for using a high reduction ratio harmonic reduction device. The first purpose is to reduce the final speed to comply with regulations and avoid high speed hazards. The second purpose is to improve the torque to improve the starting and climbing or load capacity.
本創作之目的，即在提供一種自行車驅動模組，包含一鏈輪，一電動驅動模組，一腳踏驅動模組，及一動力選擇模組。該電動驅動模組包含一馬達用以輸出動力，及一諧波減速裝置耦接於該馬達，用以轉換該馬達之動力；。該腳踏驅動模組包含二曲柄，及一驅動軸耦接於該二 曲柄之間。該動力選擇模組係耦接於該鏈輪、該諧波減速裝置及該驅動軸，用以選擇該諧波減速裝置及該驅動軸其中之一輸出之動力傳遞至該鏈輪，以驅動該鏈輪轉動。The purpose of the present invention is to provide a bicycle driving module comprising a sprocket, an electric driving module, a pedal driving module, and a power selection module. The electric drive module includes a motor for outputting power, and a harmonic reduction device coupled to the motor for converting the power of the motor. The pedal driving module includes two cranks, and a driving shaft is coupled to the two Between the cranks. The power selection module is coupled to the sprocket, the harmonic reduction device and the drive shaft for selecting the harmonic reduction device and the power output of one of the drive shafts to be transmitted to the sprocket to drive the The sprocket rotates.
相較於先前技術，本創作自行車驅動模組之諧波減速裝置具有相當高之減速比以有效率地轉換馬達之動力。另外，本創作自行車驅動模組之動力選擇模組可根據動力輸入來源選擇人力或馬達動力，以有效率地驅動自行車。Compared with the prior art, the harmonic reduction device of the bicycle driving module of the present invention has a relatively high reduction ratio to efficiently convert the power of the motor. In addition, the power selection module of the bicycle driving module of the present invention can select human or motor power according to the power input source to drive the bicycle efficiently.
10‧‧‧自行車驅動模組10‧‧‧Bicycle Drive Module
100‧‧‧電動驅動模組100‧‧‧Electric drive module
110‧‧‧馬達110‧‧‧Motor
120‧‧‧諧波減速裝置120‧‧‧ harmonic deceleration device
122‧‧‧殼體122‧‧‧ housing
124‧‧‧第一齒輪124‧‧‧First gear
126‧‧‧第二齒輪126‧‧‧second gear
130‧‧‧驅動單元130‧‧‧ drive unit
132‧‧‧承載座132‧‧‧ bearing seat
134‧‧‧第三齒輪134‧‧‧ third gear
200‧‧‧腳踏驅動模組200‧‧‧ pedal drive module
210‧‧‧曲柄210‧‧‧ crank
220‧‧‧驅動軸220‧‧‧ drive shaft
300‧‧‧動力選擇模組300‧‧‧Power selection module
310‧‧‧單向軸承310‧‧‧ one-way bearing
320‧‧‧離合器320‧‧‧Clutch
330‧‧‧第一傳動單元330‧‧‧First transmission unit
332‧‧‧容置空間332‧‧‧ accommodating space
334‧‧‧凹陷結構334‧‧‧ recessed structure
336‧‧‧柱體336‧‧‧Cylinder
340‧‧‧離合單元340‧‧‧ clutch unit
342‧‧‧頂推部342‧‧‧Pushing Department
344‧‧‧彎折部344‧‧‧Bend
350‧‧‧第二傳動單元350‧‧‧Second transmission unit
352‧‧‧傳動面352‧‧‧Transmission surface
400‧‧‧鏈輪400‧‧‧Sprocket
第1圖為本創作自行車驅動模組的示意圖。The first picture is a schematic diagram of the creative bicycle driving module.
第2圖為本創作諧波減速裝置之一實施例的***圖。Figure 2 is an exploded view of one embodiment of the inventive harmonic reduction device.
第3圖為第2圖諧波減速裝置之內部結構示意圖。Fig. 3 is a schematic view showing the internal structure of the harmonic reduction device of Fig. 2.
第4圖為本創作離合器的***圖。Figure 4 is an exploded view of the creative clutch.
第5圖為第4圖離合器的剖面圖。Figure 5 is a cross-sectional view of the clutch of Figure 4.
請參考第1圖。第1圖為本創作自行車驅動模組的示意圖。如第1圖所示，本創作之自行車驅動模組10包含一鏈輪400，一電動驅動模組100，一腳踏驅動模組200，及一動力選擇模組300。鏈輪400可於轉動時帶動鏈條驅動自行車之後輪轉動，以使自行車前進。電動驅動模組100包含一馬達110用以輸出動力，及一諧波減速裝置120耦接於馬達110之輸出軸，用以轉換馬達110輸出之動力。腳踏驅動模組200包含二曲柄210，及一驅動軸220耦接於二曲柄210之間。動力選擇模組300係耦接於鏈輪400、諧波減速裝置120及驅動軸220，用以選擇諧波減速裝置120及驅動軸220其中之一輸出之動力傳遞至鏈輪400，以驅動鏈輪400轉動。動力選擇模組300包含一單向軸承310耦接於鏈輪400及驅動軸220，及一離合器320耦接於諧波減速裝置120及單向軸承310之間。Please refer to Figure 1. The first picture is a schematic diagram of the creative bicycle driving module. As shown in FIG. 1 , the bicycle drive module 10 of the present invention comprises a sprocket 400 , an electric drive module 100 , a pedal drive module 200 , and a power selection module 300 . The sprocket 400 can drive the bicycle to rotate after the chain is rotated to advance the bicycle. The electric drive module 100 includes a motor 110 for outputting power, and a harmonic reduction device 120 coupled to the output shaft of the motor 110 for converting the power output by the motor 110. The pedal driving module 200 includes two cranks 210, and a driving shaft 220 is coupled between the two cranks 210. The power selection module 300 is coupled to the sprocket 400, the harmonic reduction device 120, and the drive shaft 220 for selecting the power output of one of the harmonic reduction device 120 and the drive shaft 220 to be transmitted to the sprocket 400 to drive the chain. The wheel 400 rotates. The power selection module 300 includes a one-way bearing 310 coupled to the sprocket 400 and the drive shaft 220 , and a clutch 320 coupled between the harmonic reduction device 120 and the one-way bearing 310 .
請同時參考第2圖及第3圖，並一併參考第1圖。第2圖為 本創作諧波減速裝置之一實施例的***圖。第3圖為第2圖諧波減速裝置之內部結構示意圖。如圖所示，本創作諧波減速裝置120包含一殼體122，一第一齒輪124，一第二齒輪126，及一驅動單元130。第一齒輪124具有一第一數目之嚙合齒。第二齒輪126係固定於殼體122上，且第二齒輪126具有一第二數目之嚙合齒。第二數目係相異於第一數目。驅動單元130包含一承載座132及複數個第三齒輪134。第三齒輪134係以可轉動之方式固定於承載座132上，且每一第三齒輪134係和第一齒輪124及第二齒輪126同時嚙合。Please refer to Figure 2 and Figure 3 together, and refer to Figure 1 together. Figure 2 shows An exploded view of one embodiment of the present harmonic reduction device. Fig. 3 is a schematic view showing the internal structure of the harmonic reduction device of Fig. 2. As shown, the present harmonic reduction device 120 includes a housing 122, a first gear 124, a second gear 126, and a drive unit 130. The first gear 124 has a first number of meshing teeth. The second gear 126 is fixed to the housing 122, and the second gear 126 has a second number of meshing teeth. The second number is different from the first number. The driving unit 130 includes a carrier 132 and a plurality of third gears 134. The third gear 134 is rotatably fixed to the carrier 132, and each of the third gears 134 is simultaneously meshed with the first gear 124 and the second gear 126.
另外，第一齒輪124及第二齒輪126係內齒輪，而第三齒輪134係外齒輪。第一齒輪124及第二齒輪126之分度圓分度圓直徑相同，且第一齒輪124及第二齒輪126具有相同之中心線。第三齒輪134之分度圓分度圓直徑皆小於第一齒輪124之分度圓分度圓直徑及第二齒輪126分度圓之分度圓直徑。第一齒輪124、第二齒輪126及第三齒輪134皆係剛性齒輪。承載座132可耦接於馬達110之輸出軸，而第一齒輪124可耦接於動力選擇模組300以輸出動力。In addition, the first gear 124 and the second gear 126 are internal gears, and the third gear 134 is an external gear. The indexing circle of the first gear 124 and the second gear 126 have the same diameter, and the first gear 124 and the second gear 126 have the same center line. The indexing circle index circle diameter of the third gear 134 is smaller than the indexing circle index circle diameter of the first gear 124 and the indexing circle diameter of the second gear 126 indexing circle. The first gear 124, the second gear 126, and the third gear 134 are both rigid gears. The carrier 132 can be coupled to the output shaft of the motor 110, and the first gear 124 can be coupled to the power selection module 300 to output power.
依據上述之實施例配置，當馬達110驅動承載座132轉動時會改變第三齒輪134和第一及第二齒輪124、126之嚙合位置，進而驅動第一齒輪124轉動以輸出動力至動力選擇模組300。舉例來說，第一數目和第二數目相差4，因此第三齒輪134每間隔90度圓周角可和第一齒輪124及第二齒輪126同時嚙合。當承載座132轉動時，第三齒輪134會繞著第一齒輪124及第二齒輪126之內側轉動，進而改變第三齒輪134和第一及第二齒輪124、126之嚙合位置。當承載座132轉一圈時，由於第二齒輪126係固定於殼體122上而不轉動，且第一齒輪124和第二齒輪126相差4個嚙合齒，第一齒輪124會相對第二齒輪126轉動4個嚙合齒之圓周角。因此諧波減速裝置120之減速比是第一齒輪124之嚙合齒數目除以第一齒輪124及第二齒輪126之嚙合齒數目之差，當第一齒輪124之嚙合齒數目較多且第一齒輪124及第二齒輪126之嚙合齒數目差異較少時，本創作諧波減速裝置120可得到相當高之減速比。According to the above embodiment, when the motor 110 drives the carrier 132 to rotate, the meshing position of the third gear 134 and the first and second gears 124, 126 is changed, thereby driving the first gear 124 to rotate to output power to the power selection mode. Group 300. For example, the first number and the second number differ by 4, so that the third gear 134 can simultaneously mesh with the first gear 124 and the second gear 126 every 90 degree circumferential angle. When the carrier 132 rotates, the third gear 134 rotates around the inside of the first gear 124 and the second gear 126, thereby changing the meshing position of the third gear 134 and the first and second gears 124, 126. When the carrier 132 rotates one turn, since the second gear 126 is fixed on the housing 122 without rotating, and the first gear 124 and the second gear 126 are separated by 4 meshing teeth, the first gear 124 is opposite to the second gear. 126 rotates the circumferential angle of the four meshing teeth. Therefore, the reduction ratio of the harmonic reduction device 120 is the difference between the number of meshing teeth of the first gear 124 divided by the number of meshing teeth of the first gear 124 and the second gear 126. When the number of meshing teeth of the first gear 124 is large and the first When the difference in the number of meshing teeth between the gear 124 and the second gear 126 is small, the present harmonic reduction device 120 can obtain a relatively high reduction ratio.
請同時參考第4圖及第5圖。第4圖為本創作離合器的*** 圖，第5圖為第4圖離合器的剖面圖。如圖所示，本創作離合器320包含一第一傳動單元330，複數個離合單元340，及一第二傳動單元350。第一傳動單元330係用以耦接至諧波減速裝置120之第一齒輪124。第一傳動單元330具有複數個容置結構332。每一容置結構332包含一凹陷結構334，及一柱體336，其中一容置空間係形成於凹陷結構334及柱體336之間，以容置離合單元340。離合單元340係分別設置於第一傳動單元330之容置結構332上。離合單元340之第一側具有一頂推部342，而離合單元340之第二側具有一彎折部344。第二傳動單元350係設置於第一傳動單元330之相對應位置，用以耦接至單向軸承310。第二傳動單元350具有一傳動面352，設置於第二傳動單元350之外緣的內表面，且傳動面352環繞第一傳動單元330之周圍。Please also refer to Figures 4 and 5. Figure 4 is the explosion of the creative clutch Figure 5 is a cross-sectional view of the clutch of Figure 4. As shown, the present creative clutch 320 includes a first transmission unit 330, a plurality of clutch units 340, and a second transmission unit 350. The first transmission unit 330 is coupled to the first gear 124 of the harmonic reduction device 120 . The first transmission unit 330 has a plurality of accommodating structures 332. Each of the accommodating structures 332 includes a recessed structure 334 and a pillar 336. An accommodating space is formed between the recessed structure 334 and the pillar 336 to accommodate the clutch unit 340. The clutch units 340 are respectively disposed on the receiving structure 332 of the first transmission unit 330. The first side of the clutch unit 340 has a pushing portion 342, and the second side of the clutch unit 340 has a bent portion 344. The second transmission unit 350 is disposed at a corresponding position of the first transmission unit 330 for coupling to the one-way bearing 310 . The second transmission unit 350 has a transmission surface 352 disposed on an inner surface of the outer edge of the second transmission unit 350, and the transmission surface 352 surrounds the periphery of the first transmission unit 330.
依據上述實施例之配置，本創作動力選擇模組300可選擇諧波減速裝置120及驅動軸220其中之一輸出之動力傳遞至鏈輪400，以驅動鏈輪400轉動。舉例來說，當諧波減速裝置120轉動第一傳動單元330時，離合單元340向外頂推第二傳動單元350之傳動面352，使第二傳動單元350隨著第一傳動單元330轉動，以將諧波減速裝置120之動力經由第一傳動單元330及第二傳動單元350傳遞到單向軸承310，以驅動鏈輪400轉動。相反地，當諧波減速裝置120不轉動時，離合單元340不會向外頂推第二傳動單元350之傳動面352，以允許第二傳動單元350可相對於第一傳動單元330轉動，因此單向軸承310可利用驅動軸220之動力驅動鏈輪400轉動。According to the configuration of the above embodiment, the inventive power selection module 300 can select the power outputted by one of the harmonic reduction device 120 and the drive shaft 220 to be transmitted to the sprocket 400 to drive the sprocket 400 to rotate. For example, when the harmonic reduction device 120 rotates the first transmission unit 330, the clutch unit 340 pushes the transmission surface 352 of the second transmission unit 350 outward, so that the second transmission unit 350 rotates along with the first transmission unit 330. The power of the harmonic reduction device 120 is transmitted to the one-way bearing 310 via the first transmission unit 330 and the second transmission unit 350 to drive the sprocket 400 to rotate. Conversely, when the harmonic reduction device 120 does not rotate, the clutch unit 340 does not push the transmission surface 352 of the second transmission unit 350 outward to allow the second transmission unit 350 to be rotatable relative to the first transmission unit 330, thus The one-way bearing 310 can be rotated by the power drive sprocket 400 of the drive shaft 220.
另外，本創作自行車驅動模組之諧波減速裝置及動力選擇模組並不限於上述實施例，本創作自行車驅動模組之諧波減速裝置及動力選擇模組可以係其他類型之諧波減速裝置及動力選擇模組。In addition, the harmonic deceleration device and the power selection module of the bicycle driving module of the present invention are not limited to the above embodiments, and the harmonic deceleration device and the power selection module of the bicycle driving module of the present invention may be other types of harmonic deceleration devices. And power selection module.
相較於先前技術，本創作自行車驅動模組之諧波減速裝置具有相當高之減速比以有效率地轉換馬達之動力。另外，本創作自行車驅動模組之動力選擇模組可根據動力輸入來源選擇人力或馬達動力，以有效率地驅動自行車。Compared with the prior art, the harmonic reduction device of the bicycle driving module of the present invention has a relatively high reduction ratio to efficiently convert the power of the motor. In addition, the power selection module of the bicycle driving module of the present invention can select human or motor power according to the power input source to drive the bicycle efficiently.
以上所述僅為本創作之較佳實施例，凡依本創作申請專利範圍所做之均等變化與修飾，皆應屬本創作之涵蓋範圍。The above descriptions are only preferred embodiments of the present invention, and all changes and modifications made by the scope of the patent application of the present invention should be covered by the present invention.
10‧‧‧自行車驅動模組10‧‧‧Bicycle Drive Module
100‧‧‧電動驅動模組100‧‧‧Electric drive module
110‧‧‧馬達110‧‧‧Motor
120‧‧‧諧波減速裝置120‧‧‧ harmonic deceleration device
200‧‧‧腳踏驅動模組200‧‧‧ pedal drive module
210‧‧‧曲柄210‧‧‧ crank
220‧‧‧驅動軸220‧‧‧ drive shaft
300‧‧‧動力選擇模組300‧‧‧Power selection module
310‧‧‧單向軸承310‧‧‧ one-way bearing
320‧‧‧離合器320‧‧‧Clutch
400‧‧‧鏈輪400‧‧‧Sprocket
Claims (5)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102201313U TWM459172U (en) | 2013-01-21 | 2013-01-21 | Driving module of bicycle |
| CN 201320206076 CN203358798U (en) | 2013-01-21 | 2013-04-22 | Bicycle driving module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102201313U TWM459172U (en) | 2013-01-21 | 2013-01-21 | Driving module of bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TWM459172U true TWM459172U (en) | 2013-08-11 |
Family
ID=49480749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW102201313U TWM459172U (en) | 2013-01-21 | 2013-01-21 | Driving module of bicycle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203358798U (en) |
| TW (1) | TWM459172U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890800A (en) * | 2014-03-03 | 2015-09-09 | 苏州悍猛谐波机电有限公司 | Power module of electric bicycle |
-
2013
- 2013-01-21 TW TW102201313U patent/TWM459172U/en not_active IP Right Cessation
- 2013-04-22 CN CN 201320206076 patent/CN203358798U/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN203358798U (en) | 2013-12-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK4K | Expiration of patent term of a granted utility model |