CN105947101A - Constant mesh gear speed change device - Google Patents
Constant mesh gear speed change device Download PDFInfo
- Publication number
- CN105947101A CN105947101A CN201610358486.5A CN201610358486A CN105947101A CN 105947101 A CN105947101 A CN 105947101A CN 201610358486 A CN201610358486 A CN 201610358486A CN 105947101 A CN105947101 A CN 105947101A
- Authority
- CN
- China
- Prior art keywords
- fixing sleeve
- gear
- clutch ratchet
- driving
- driven
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
- B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
Abstract
The invention discloses a constant mesh gear speed change device and relates to a gear speed changer. According to the constant mesh gear speed change device, driven gears are fixedly arranged on a driven shaft, and fixed sleeves are fixedly arranged on a driving shaft; one ends of the fixed sleeves are provided with clutch ratchets of the fixed sleeves, and sleeve bodies of the fixed sleeves are sleeved with driving gears; the end surfaces of the driving gears are provided with clutch pawls of the driving gears, and the driving gears and the driven gears are in a constant mesh state; and the clutch pawls of the driving gears and the clutch ratchets of the fixed sleeves are in a constant separating state under the action of a spring; at the moment, the driving shaft is rotated, the driving gears are not rotated, and the driven gears and the driven shaft are not rotated either; a shifting fork is pushed under the action of external force, the clutch pawls of the driving gears and the clutch ratchets of the fixed sleeves are in a constant mesh state, at the moment, the driving shaft rotates and drives the driving gears to rotate, and the driven gears and the driven shaft are rotated too. The constant mesh gear speed change device is small and exquisite in structure, separating and meshing are easy, gear breaking is avoided, and achieving of a miniature gearbox of a bicycle center shaft is facilitated.
Description
Technical field
The present invention relates to gear-shift mechanism, the dress of a kind of constant mesh gear speed change being more particularly in bicycle
Put.
Background technology
Gear-shift mechanism is widely used among machinery.In existing two shaft gear variators, speed change to be realized, need
The gear constantly stirring pairing is engaged, separates, and synchronizes difficulty during the gear engagement simultaneously matched.At present, the change of bicycle
The most chain drum pairing different from the fluted disc on rear axle used on axis of speed carries out speed change, and its transmission speed ratio scope is less.In order to
Improving slewing range and the effect of bicycle, the present inventor is constantly exploring chain-wheel axle speed changer, as used existing two
Shaft gear variator carries out speed change and huge structure, operating difficulties occurs, to this end, need to be explored on two axles two of mating engagement
Gear carries out speed change when without departing from engagement, and the chain-wheel axle speed changer small and exquisite, the newest for exploitation improves one
Plant new speed change gear.
Summary of the invention
The purpose of the present invention: and the device of a kind of constant mesh gear speed change is provided.
The technical scheme is that the device of a kind of constant mesh gear speed change, be provided with at the two ends of driving shaft, driven shaft
Bearing, it is characterised in that: on driven shaft, it is fixed with driven gear, driving shaft is fixed with fixing sleeve, fixing
One end of sleeve is provided with the clutch ratchet of fixing sleeve, is cased with driving gear, at driving gear on the sleeve of fixing sleeve
End face is provided with the clutch ratchet of driving gear, and driving gear and driven gear are in normal engagement, lead under the action of the spring
The clutch ratchet of moving gear and the clutch ratchet of fixing sleeve are in normal separated position, and now, driving shaft rotates and driving gear
Not rotating, driven gear and driven shaft do not rotate, and try hard to recommend under the effect of dynamic shift fork outside, and the clutch ratchet of driving gear is with solid
The clutch ratchet determining sleeve is in engagement, and now, driving shaft rotates and drives driving gear to rotate, driven gear and driven shaft
Also rotate.
The device of described constant mesh gear speed change, its described fixing sleeve is provided with the clutch ratchet one of fixing sleeve
End is provided with clutch ratchet foundation ring, and the clutch ratchet of fixing sleeve is integrated with clutch ratchet foundation ring, the clutch of fixing sleeve
Ratchet is positioned at the inner side of clutch ratchet foundation ring.
The device of constant mesh gear speed change described above, the number of teeth of the clutch ratchet of its described fixing sleeve is 6-12
Tooth, the external diameter of the clutch ratchet of fixing sleeve is 26 millimeters, and the sleeve outer diameter of described fixing sleeve is 26 millimeters, fixing sleeve
Total length be 16-18 millimeter, the tooth depth of the clutch ratchet of fixing sleeve is 2 millimeters.
The device of described constant mesh gear speed change, the driven gear being fixed with on driven shaft is multiple, exists accordingly
The fixing sleeve being fixed with on driving shaft is also the multiple of equivalent, is cased with a master on the sleeve of each fixing sleeve
Moving gear, a driving gear engages with corresponding driven gear, the driving gear of every pair of meshing and driven gear
Gear ratio is different.
The device of the constant mesh gear speed change of the present invention, under the action of the spring the clutch ratchet of driving gear and fixed cover
The clutch ratchet of cylinder is in normal separated position, and now, driving shaft rotates fixing sleeve and also rotates, and driving gear is around fixing sleeve
Idle running, now driven shaft is motionless；Trying hard to recommend dynamic shift fork outside, shift fork drives driving gear to slide at fixing sleeve, makes driving gear
The clutch ratchet of clutch ratchet and fixing sleeve be in engagement, now, driving shaft rotates and drives driving gear to rotate, main
Moving gear drives driven gear and driven shaft to rotate.In the transmission that multipair driving gear engages with driven gear, as a master
The clutch ratchet of moving gear is in engagement with the clutch ratchet of corresponding fixing sleeve, remaining driving gear from
Closing ratchet to be off with the clutch ratchet of corresponding fixing sleeve, the clutch ratchet of different driving gears is with corresponding
The clutch ratchet of fixing sleeve is engaged, and just makes driving shaft produce different gear ratios from driven shaft.
At beneficial effects of the present invention: the device of the constant mesh gear speed change of the present invention, its driving gear and driven gear
In normal engagement, driving shaft is dependent on the clutch ratchet of driving gear and corresponding fixed cover with the transmission of driven shaft and speed change
The clutch of the clutch ratchet of cylinder realizes, compact structure, and clutch is easy, and the clutch ratchet particularly fixing sleeve is located at clutch ratchet
The inner side of foundation ring, substantially enhances the intensity of the clutch ratchet of fixing sleeve, not broken teeth, favorably realizes the micro-of bicycle middle shaft
Type change speed gear box.
Accompanying drawing explanation
Accompanying drawing is the structural representation of the present invention.
Figure is labeled as: driving shaft 1, bearing 2, fixing sleeve 3, driving gear 4, the clutch ratchet 5 of driving gear, fixing
The clutch ratchet 6 of sleeve, spring 7, shift fork 8, driven gear 9, driven shaft 10, clutch ratchet foundation ring 11.
Detailed description of the invention
Below by embodiment, the present invention is further illustrated.
Embodiment 1
Referring to the drawings, the device of a kind of constant mesh gear speed change, be provided with bearing 2 at the two ends of driving shaft 1, driven shaft 10, from
It is fixed with driven gear 9 on moving axis 10, driving shaft 1 is fixed with fixing sleeve 3, be provided with in one end of fixing sleeve 3
The clutch ratchet 6 of fixing sleeve, is cased with driving gear 4 on the sleeve of fixing sleeve 3, and the end face at driving gear 4 is provided with master
The clutch ratchet 5 of moving gear, driving gear 4 and driven gear 9 be in normal engagement, driving gear under the effect of spring 7
The clutch ratchet 6 of clutch ratchet 5 and fixing sleeve be in normal separated position, now, driving shaft 1 rotate and driving gear 4 not
Rotating, driven gear 9 and driven shaft 10 do not rotate, and try hard to recommend under the effect of dynamic shift fork 8 outside, the clutch ratchet 5 of driving gear
Being in engagement with the clutch ratchet 6 of fixing sleeve, now, driving shaft 1 rotates and drives driving gear 4 to rotate, driven gear 9
Also rotate with driven shaft 10.The number of teeth of the clutch ratchet 6 of its described fixing sleeve is 6-12 tooth, the clutch ratchet of fixing sleeve
The external diameter of 6 is 26 millimeters, and the sleeve outer diameter of described fixing sleeve 3 is 26 millimeters, and the total length of fixing sleeve 3 is 16-18 milli
Rice, the tooth depth of the clutch ratchet 6 of fixing sleeve is 2 millimeters.
Embodiment 2
Referring to the drawings, the device of a kind of constant mesh gear speed change, be provided with bearing 2 at the two ends of driving shaft 1, driven shaft 10, from
It is fixed with driven gear 9 on moving axis 10, driving shaft 1 is fixed with fixing sleeve 3, be provided with in one end of fixing sleeve 3
The clutch ratchet 6 of fixing sleeve, is cased with driving gear 4 on the sleeve of fixing sleeve 3, and the end face at driving gear 4 is provided with master
The clutch ratchet 5 of moving gear, driving gear 4 and driven gear 9 be in normal engagement, driving gear under the effect of spring 7
The clutch ratchet 6 of clutch ratchet 5 and fixing sleeve be in normal separated position, now, driving shaft 1 rotate and driving gear 4 not
Rotating, driven gear 9 and driven shaft 10 do not rotate, and try hard to recommend under the effect of dynamic shift fork 8 outside, the clutch ratchet 5 of driving gear
Being in engagement with the clutch ratchet 6 of fixing sleeve, now, driving shaft 1 rotates and drives driving gear 4 to rotate, driven gear 9
Also rotate with driven shaft 10.Its described fixing sleeve 3 is provided with clutch ratchet 6 one end of fixing sleeve and is provided with clutch ratchet basis
Ring 11, the clutch ratchet 6 of fixing sleeve is integrated with clutch ratchet foundation ring 11, and the clutch ratchet 6 of fixing sleeve is positioned at clutch
The inner side of ratchet foundation ring 11.The number of teeth of the clutch ratchet 6 of described fixing sleeve is 6-12 tooth, the clutch ratchet of fixing sleeve
The external diameter of 6 is 26 millimeters, and the sleeve outer diameter of described fixing sleeve 3 is 26 millimeters, and the total length of fixing sleeve 3 is 16-18 milli
Rice, the tooth depth of the clutch ratchet 6 of fixing sleeve is 2 millimeters.
Embodiment 3
Referring to the drawings, the device of a kind of constant mesh gear speed change, be provided with bearing 2 at the two ends of driving shaft 1, driven shaft 10, from
It is fixed with driven gear 9 on moving axis 10, driving shaft 1 is fixed with fixing sleeve 3, be provided with in one end of fixing sleeve 3
The clutch ratchet 6 of fixing sleeve, is cased with driving gear 4 on the sleeve of fixing sleeve 3, and the end face at driving gear 4 is provided with master
The clutch ratchet 5 of moving gear, driving gear 4 and driven gear 9 be in normal engagement, driving gear under the effect of spring 7
The clutch ratchet 6 of clutch ratchet 5 and fixing sleeve be in normal separated position, now, driving shaft 1 rotate and driving gear 4 not
Rotating, driven gear 9 and driven shaft 10 do not rotate, and try hard to recommend under the effect of dynamic shift fork 8 outside, the clutch ratchet 5 of driving gear
Being in engagement with the clutch ratchet 6 of fixing sleeve, now, driving shaft 1 rotates and drives driving gear 4 to rotate, driven gear 9
Also rotate with driven shaft 10.Its described fixing sleeve 3 is provided with clutch ratchet 6 one end of fixing sleeve and is provided with clutch ratchet basis
Ring 11, the clutch ratchet 6 of fixing sleeve is integrated with clutch ratchet foundation ring 11, and the clutch ratchet 6 of fixing sleeve is positioned at clutch
The inner side of ratchet foundation ring 11.The driven gear 9 being fixed with on driven shaft 10 is multiple, fixing on driving shaft 1 accordingly
The fixing sleeve 3 being provided with also is the multiple of equivalent, is cased with a driving gear 4 on the sleeve of each fixing sleeve 3, one
Individual driving gear 4 engages with corresponding driven gear 9, the driving gear 4 of every pair of meshing and the transmission of driven gear 9
Than difference.
Claims (4)
1. a device for constant mesh gear speed change, is provided with bearing (2), its feature at the two ends of driving shaft (1), driven shaft (10)
It is: on driven shaft (10), be fixed with driven gear (9), driving shaft (1) is fixed with fixing sleeve (3), solid
The one end determining sleeve (3) is provided with the clutch ratchet (6) of fixing sleeve, is cased with driving gear on the sleeve of fixing sleeve (3)
(4), the end face at driving gear (4) is provided with the clutch ratchet (5) of driving gear, and driving gear (4) is in driven gear (9)
Often engagement, under the effect of spring (7), the clutch ratchet (5) of driving gear is in the clutch ratchet (6) of fixing sleeve
Often separated position, now, driving shaft (1) rotates and driving gear (4) does not rotates, and driven gear (9) and driven shaft (10) are the most not
Rotate, try hard to recommend under the effect of dynamic shift fork (8) outside, the clutch ratchet (5) of driving gear and clutch ratchet (6) place of fixing sleeve
In engagement, now, driving shaft (1) rotates and drives driving gear (4) to rotate, and driven gear (9) and driven shaft (10) also turn
Dynamic.
The device of constant mesh gear speed change the most according to claim 1, it is characterised in that: at described fixing sleeve (3)
Clutch ratchet (6) one end being provided with fixing sleeve is provided with clutch ratchet foundation ring (11), the clutch ratchet (6) of fixing sleeve with from
Closing ratchet foundation ring (11) to be integrated, the clutch ratchet (6) of fixing sleeve is positioned at the inner side of clutch ratchet foundation ring (11).
The device of constant mesh gear speed change the most according to claim 1 and 2, it is characterised in that: described fixing sleeve
The number of teeth of clutch ratchet (6) is 6-12 tooth, and the external diameter of the clutch ratchet (6) of fixing sleeve is 26 millimeters, described fixing sleeve
(3) sleeve outer diameter is 26 millimeters, and the total length of fixing sleeve (3) is 16-18 millimeter, the clutch ratchet (6) of fixing sleeve
Tooth depth is 2 millimeters.
The device of constant mesh gear speed change the most according to claim 1, it is characterised in that: set upper the fixing of driven shaft (10)
Some driven gears (9) are multiple, and the fixing sleeve (3) being fixed with on driving shaft (1) accordingly is also the multiple of equivalent,
Be cased with a driving gear (4) on the sleeve of each fixing sleeve (3), driving gear (4) with corresponding one from
Moving gear (9) engages, and the driving gear (4) of every pair of meshing is different from the gear ratio of driven gear (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610358486.5A CN105947101A (en) | 2016-05-26 | 2016-05-26 | Constant mesh gear speed change device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610358486.5A CN105947101A (en) | 2016-05-26 | 2016-05-26 | Constant mesh gear speed change device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105947101A true CN105947101A (en) | 2016-09-21 |
Family
ID=56910604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610358486.5A Pending CN105947101A (en) | 2016-05-26 | 2016-05-26 | Constant mesh gear speed change device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105947101A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021026811A1 (en) * | 2019-08-14 | 2021-02-18 | 刘文桂 | Derailleur gear apparatus |
| CN113803422A (en) * | 2021-10-12 | 2021-12-17 | 石幸运 | Double-shaft multi-stage neutral-gear-free transmission with load, advanced gear and rear gear disengagement |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825157A (en) * | 2009-03-02 | 2010-09-08 | 丛俊贞 | Speed reducing/changing device |
| US20120036959A1 (en) * | 2010-08-12 | 2012-02-16 | Jung-Chieh Chen | Two-way propelling type transmission mechanism for bicycle |
| CN202896815U (en) * | 2012-11-07 | 2013-04-24 | 重庆宗申发动机制造有限公司 | Two-gear variable-speed driving device for electric vehicle |
| CN203836098U (en) * | 2014-05-29 | 2014-09-17 | 重庆市佳南工贸有限公司 | Electric bicycle one-way gliding system with two-gear structure |
| CN105584585A (en) * | 2014-11-06 | 2016-05-18 | 杨柏保 | Four-speed gear speed changer for bicycle |
| CN205801414U (en) * | 2016-05-26 | 2016-12-14 | 石宗泽 | A kind of device of constant mesh gear speed change |
-
2016
- 2016-05-26 CN CN201610358486.5A patent/CN105947101A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825157A (en) * | 2009-03-02 | 2010-09-08 | 丛俊贞 | Speed reducing/changing device |
| US20120036959A1 (en) * | 2010-08-12 | 2012-02-16 | Jung-Chieh Chen | Two-way propelling type transmission mechanism for bicycle |
| CN202896815U (en) * | 2012-11-07 | 2013-04-24 | 重庆宗申发动机制造有限公司 | Two-gear variable-speed driving device for electric vehicle |
| CN203836098U (en) * | 2014-05-29 | 2014-09-17 | 重庆市佳南工贸有限公司 | Electric bicycle one-way gliding system with two-gear structure |
| CN105584585A (en) * | 2014-11-06 | 2016-05-18 | 杨柏保 | Four-speed gear speed changer for bicycle |
| CN205801414U (en) * | 2016-05-26 | 2016-12-14 | 石宗泽 | A kind of device of constant mesh gear speed change |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021026811A1 (en) * | 2019-08-14 | 2021-02-18 | 刘文桂 | Derailleur gear apparatus |
| GB2603856A (en) * | 2019-08-14 | 2022-08-17 | Wen Kuei Liu | Derailleur gear apparatus |
| GB2603856B (en) * | 2019-08-14 | 2023-06-14 | Wen Kuei Liu | Transmission device for bicycle |
| CN113803422A (en) * | 2021-10-12 | 2021-12-17 | 石幸运 | Double-shaft multi-stage neutral-gear-free transmission with load, advanced gear and rear gear disengagement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Shi Xingyun Inventor before: Shi Zongze |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170504 Address after: 401520 Chongqing city Hechuan City mansion No. 3 unit 1 5-2 Applicant after: Shi Xingyun Address before: Chongqing Hechuan road 401520 No. 666 China field 3 8-3 Applicant before: Shi Zongze |
|
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160921 |