CN202782489U - Improved ratchet connecting structure of bicycle rear hub - Google Patents
Improved ratchet connecting structure of bicycle rear hub Download PDFInfo
- Publication number
- CN202782489U CN202782489U CN 201220404205 CN201220404205U CN202782489U CN 202782489 U CN202782489 U CN 202782489U CN 201220404205 CN201220404205 CN 201220404205 CN 201220404205 U CN201220404205 U CN 201220404205U CN 202782489 U CN202782489 U CN 202782489U
- Authority
- CN
- China
- Prior art keywords
- ratchet
- sleeve
- flower
- hub
- bicycle rear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
The utility model discloses an improved ratchet connecting structure of a bicycle rear hub. The improved ratchet connecting structure of the bicycle rear hub comprises a center and a hub body; one end of the hub body is provided with a first nut, a first axle bumper, a first steel ball and a first ball bowl; the other end of the hub body is provided with a second nut, a second axle bumper, a second steel ball, a second ball bowl and a ratchet, wherein the front end of the ratchet is arranged on the center in a sleeved mode, the rear end of the ratchet is inserted into the hub body and matched with a fixed nut fixed in the hub body in a threaded mode, a sleeve is arranged outside the ratchet, the sleeve is matched with the second ball bowl through a rolling ball and the ratchet, a ratchet claw is fixed on the ratchet through a clamping spring, and meanwhile the ratchet claw is connected with the sleeve. The improved ratchet connecting structure of the bicycle rear hub is less in parts, simple in structure, capable of reducing production cost, convenient in assembling, and capable of obviously reducing failure rate.
Description
Technical field:
The utility model relates to the bicycle spare parts and accessories technical field, especially relates to a kind of bicycle hub structure.
Background technology:
Bicycle rear-hub need arrange ratchet device, and its ratchet connection structure of the bicycle rear-hub of seeing in the market is complicated, and parts are more, not only increased productive costs, and assemble very trouble, the fault rate in the use procedure is also higher, is necessary to be improved.
The utility model content:
The purpose of this utility model is to provide the weak point that exists for prior art and a kind of bicycle rear-hub ratchet connection structure of improvement is provided, and it has characteristics simple in structure, easy to assembly, that the operational failure rate is low.
For achieving the above object, the bicycle rear-hub ratchet connection structure of improvement of the present utility model includes the car heart and flower-drum body, one end of flower-drum body is provided with the first nut, the first axle bumper, the first steel ball, the first pearl bowl, the other end of flower-drum body is provided with the second nut, the second axle bumper, the second steel ball, the second pearl bowl, ratchet, wherein, described ratchet front end sleeve is located at car in the heart, the rear end insert in the flower-drum body and be fixed on the intrinsic hold-doun nut screw thread fit of flower-drum, the ratchet outside is provided with sleeve, sleeve cooperates with ratchet and the second pearl bowl by ball, is fixed with ratchet pawl by jump ring on the ratchet, and ratchet pawl is connected with sleeve simultaneously.
Preferred as technique scheme, described the first axle bumper outside is provided with cover of dust, and the second axle bumper then is positioned at sleeve.
Preferred as technique scheme, described flower-drum body two ends are one-body molded blade.
The beneficial effects of the utility model are: the parts of its ratchet connection structure are less, and are simple in structure, not only reduced productive costs, and assemble very conveniently, and the operational failure rate also significantly reduces.
Description of drawings:
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1 is structural representation of the present utility model.
The specific embodiment:
Therefore the following stated only for embodying the preferred embodiment of the utility model principle, does not limit protection domain of the present utility model.
As shown in Figure 1: the bicycle rear-hub ratchet connection structure of improvement of the present utility model includes the car heart 10 and flower-drum body 20, one end of flower-drum body 20 is provided with the first nut 31, the first axle bumper 32, the first steel ball 33, the first pearl bowl 34, the other end of flower-drum body 20 is provided with the second nut 41, the second axle bumper 42, the second steel ball 43, the second pearl bowl 44, ratchet 50, wherein, ratchet 50 front end sleeves are located on the car heart 10, the rear end insert in the flower-drum body 20 and with hold-doun nut 60 screws thread fit that are fixed in the flower-drum body 20, ratchet 50 outsides are provided with sleeve 70, sleeve 70 cooperates with ratchet 50 and the second pearl bowl 44 by ball 71, be fixed with ratchet pawl 80 by jump ring 90 on the ratchet 50, ratchet pawl 80 is connected connection simultaneously with sleeve.
In addition, flower-drum body 20 two ends are one-body molded blade 21, to simplify blade installation structure.The first axle bumper 32 outsides are provided with 42 of cover of dust 321, the second axle bumpers and are positioned at sleeve 70, can play the water proof and dust proof effect.
When sleeve 70 rotated under sprocket wheel drives, sleeve 70 drove ratchets 50 by ratchet pawl 80 and rotates, 50 on ratchet by hold-doun nut 60 drive flower-drum bodies 20 and on blade 21 rotate, thereby drive wheel.
Claims (3)
1. the bicycle rear-hub ratchet connection structure of an improvement, include the car heart (10) and flower-drum body (20), one end of flower-drum body (20) is provided with the first nut (31), the first axle bumper (32), the first steel ball (33), the first pearl bowl (34), the other end of flower-drum body (20) is provided with the second nut (41), the second axle bumper (42), the second steel ball (43), the second pearl bowl (44), ratchet (50), it is characterized in that: described ratchet (50) front end sleeve is located on the car heart (10), the rear end insert in the flower-drum body (20) and with hold-doun nut (60) screw thread fit that is fixed in the flower-drum body (20), ratchet (50) outside is provided with sleeve (70), sleeve (70) cooperates with ratchet (50) and the second pearl bowl (44) by ball (71), ratchet (50) is upper to be fixed with ratchet pawl (80) by jump ring (90), and ratchet pawl (80) is connected 60 with sleeve simultaneously) connect.
2. the bicycle rear-hub ratchet connection structure of improvement according to claim 1, it is characterized in that: described the first axle bumper (32) outside is provided with cover of dust (321), and the second axle bumper (42) then is positioned at sleeve (70).
3. the bicycle rear-hub ratchet connection structure of improvement according to claim 1 and 2 is characterized in that: described flower-drum body (20) two ends are one-body molded blade (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220404205 CN202782489U (en) | 2012-08-15 | 2012-08-15 | Improved ratchet connecting structure of bicycle rear hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220404205 CN202782489U (en) | 2012-08-15 | 2012-08-15 | Improved ratchet connecting structure of bicycle rear hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202782489U true CN202782489U (en) | 2013-03-13 |
Family
ID=47809813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220404205 Expired - Fee Related CN202782489U (en) | 2012-08-15 | 2012-08-15 | Improved ratchet connecting structure of bicycle rear hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202782489U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738114A (en) * | 2013-12-31 | 2014-04-23 | 陈世伟 | Bicycle hub sealing structure |
| EP2896512A1 (en) * | 2014-01-18 | 2015-07-22 | Joy Cycle Parts (Shanzhen) Co Ltd | Bicycle hub sealing structures |
| CN107839410A (en) * | 2017-12-07 | 2018-03-27 | 昆山鑫元鸿车料有限公司 | Bicycle pattern drum barrel axle group-setting structure |
| CN107867115A (en) * | 2017-12-12 | 2018-04-03 | 昆山鑫元鸿车料有限公司 | Hub ratchet wheel cylinder after structure is improved |
-
2012
- 2012-08-15 CN CN 201220404205 patent/CN202782489U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738114A (en) * | 2013-12-31 | 2014-04-23 | 陈世伟 | Bicycle hub sealing structure |
| EP2896512A1 (en) * | 2014-01-18 | 2015-07-22 | Joy Cycle Parts (Shanzhen) Co Ltd | Bicycle hub sealing structures |
| CN107839410A (en) * | 2017-12-07 | 2018-03-27 | 昆山鑫元鸿车料有限公司 | Bicycle pattern drum barrel axle group-setting structure |
| CN107867115A (en) * | 2017-12-12 | 2018-04-03 | 昆山鑫元鸿车料有限公司 | Hub ratchet wheel cylinder after structure is improved |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20130815 |