CN205801414U - A kind of device of constant mesh gear speed change - Google Patents
A kind of device of constant mesh gear speed change Download PDFInfo
- Publication number
- CN205801414U CN205801414U CN201620492518.6U CN201620492518U CN205801414U CN 205801414 U CN205801414 U CN 205801414U CN 201620492518 U CN201620492518 U CN 201620492518U CN 205801414 U CN205801414 U CN 205801414U
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- China
- Prior art keywords
- fixing sleeve
- gear
- clutch ratchet
- driving gear
- driving
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- 230000000694 effects Effects 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Abstract
The device of constant mesh gear speed change of the present utility model relates to gear-shift mechanism.This device, driven shaft is fixed with driven gear, driving shaft is fixed with fixing sleeve, the clutch ratchet of fixing sleeve it is provided with in one end of fixing sleeve, the sleeve of fixing sleeve is cased with driving gear, end face at driving gear is provided with the clutch ratchet of driving gear, driving gear and driven gear are in normal engagement, the clutch ratchet of driving gear and the clutch ratchet of fixing sleeve are in normal separated position under the action of the spring, now, driving shaft rotates and driving gear does not rotates, driven gear and driven shaft do not rotate, try hard to recommend under the effect of dynamic shift fork outside, the clutch ratchet of driving gear and the clutch ratchet of fixing sleeve are in engagement, now, driving shaft rotates and drives driving gear to rotate, driven gear and driven shaft also rotate.This device, compact structure, clutch is easy, and not broken teeth favorably realizes the micro-gearbox of bicycle middle shaft.
Description
Technical field
This utility model relates to gear-shift mechanism, a kind of constant mesh gear speed change being more particularly in bicycle
Device.
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, this utility model people is constantly exploring chain-wheel axle speed changer, as existing in used
Two shaft gear variators carry out speed change and huge structure, operating difficulties occur, to this end, need to be explored mating engagement on two axles
Two gears carry out speed change when without departing from engagement, carry for developing small and exquisite, the newest chain-wheel axle speed changer
High a kind of new speed change gear.
Summary of the invention
The purpose of this utility model: and the device of a kind of constant mesh gear speed change is provided.
The technical solution of the utility model is: the device of a kind of constant mesh gear speed change, at driving shaft, the two ends of driven shaft
It is provided with bearing, it is characterised in that: on driven shaft, it is fixed with driven gear, driving shaft is fixed with fixing sleeve,
One end of fixing sleeve is provided with the clutch ratchet of fixing sleeve, is cased with driving gear, at driving tooth on the sleeve of fixing sleeve
The end face of wheel is provided with the clutch ratchet of driving gear, and driving gear and driven gear are in normal engagement, in the effect of spring
The clutch ratchet of lower driving gear and the clutch ratchet of fixing sleeve are in normal separated position, and now, driving shaft rotates and active
Gear does not rotates, and driven gear and driven shaft do not rotate, and tries hard to recommend under the effect of dynamic shift fork outside, the clutch ratchet of driving gear
Be in engagement with the clutch ratchet of fixing sleeve, now, driving shaft rotate drive driving gear rotate, driven gear and from
Moving axis also rotates.
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 a kind of constant mesh gear speed change of the present utility model, under the action of the spring the clutch ratchet of driving gear
Being in normal separated position with the clutch ratchet of fixing sleeve, now, driving shaft rotates fixing sleeve and also rotates, driving gear 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
The clutch ratchet of driving gear and the clutch ratchet of fixing sleeve are in engagement, and now, driving shaft rotates and drives driving tooth
Wheel rotates, and driving gear drives driven gear and driven shaft to rotate.In the transmission that multipair driving gear engages with driven gear,
When the clutch ratchet of a driving gear is in engagement with the clutch ratchet of corresponding fixing sleeve, remaining is actively
The clutch ratchet of gear is off with the clutch ratchet of corresponding fixing sleeve, the clutch ratchet of different driving gears
It is engaged with the clutch ratchet of corresponding fixing sleeve, just makes driving shaft produce different gear ratios from driven shaft.
The beneficial effects of the utility model: the device of a kind of constant mesh gear speed change of the present utility model, its driving gear
Be in normal engagement with driven gear, the transmission of driving shaft and driven shaft and speed change be dependent on the clutch ratchet of driving gear with
The clutch of the clutch ratchet of corresponding fixing sleeve realizes, compact structure, and clutch is easy, particularly fixes the clutch ratchet of sleeve
Being located at the inner side of clutch ratchet foundation ring, substantially enhance the intensity of the clutch ratchet of fixing sleeve, not broken teeth, favourable realization is certainly
The micro-gearbox of driving axis.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
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, this utility model is further described.
Embodiment 1
Referring to the drawings, the device of a kind of constant mesh gear speed change, it is provided with bearing 2 at the two ends of driving shaft 1, driven shaft 10,
Driven shaft 10 is fixed with driven gear 9, driving shaft 1 is fixed with fixing sleeve 3, in one end of fixing sleeve 3
Being provided with the clutch ratchet 6 of fixing sleeve, be cased with driving gear 4 on the sleeve of fixing sleeve 3, the end face at driving gear 4 sets
The clutch ratchet 5 of driving gear, driving gear 4 and driven gear 9 is had to be in normal engagement, under the effect of spring 7 actively
The clutch ratchet 5 of gear is in normal separated position with the clutch ratchet 6 of fixing sleeve, and now, driving shaft 1 rotates and driving gear
4 do not rotate, and 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 spine of driving gear
Pawl 5 is in engagement with the clutch ratchet 6 of fixing sleeve, and now, driving shaft 1 rotates and drives driving gear 4 to rotate, driven tooth
Wheel 9 and driven shaft 10 also rotate.The number of teeth of the clutch ratchet 6 of its described fixing sleeve is 6-12 tooth, the clutch of fixing sleeve
The external diameter of ratchet 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 millimeters, 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, it is provided with bearing 2 at the two ends of driving shaft 1, driven shaft 10,
Driven shaft 10 is fixed with driven gear 9, driving shaft 1 is fixed with fixing sleeve 3, in one end of fixing sleeve 3
Being provided with the clutch ratchet 6 of fixing sleeve, be cased with driving gear 4 on the sleeve of fixing sleeve 3, the end face at driving gear 4 sets
The clutch ratchet 5 of driving gear, driving gear 4 and driven gear 9 is had to be in normal engagement, under the effect of spring 7 actively
The clutch ratchet 5 of gear is in normal separated position with the clutch ratchet 6 of fixing sleeve, and now, driving shaft 1 rotates and driving gear
4 do not rotate, and 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 spine of driving gear
Pawl 5 is in engagement with the clutch ratchet 6 of fixing sleeve, and now, driving shaft 1 rotates and drives driving gear 4 to rotate, driven tooth
Wheel 9 and driven shaft 10 also rotate.Its described fixing sleeve 3 is provided with clutch ratchet 6 one end of fixing sleeve and is provided with clutch ratchet
Foundation 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
The inner side of clutch ratchet foundation ring 11.The number of teeth of the clutch ratchet 6 of described fixing sleeve is 6-12 tooth, the clutch of fixing sleeve
The external diameter of ratchet 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 millimeters, 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, it is provided with bearing 2 at the two ends of driving shaft 1, driven shaft 10,
Driven shaft 10 is fixed with driven gear 9, driving shaft 1 is fixed with fixing sleeve 3, in one end of fixing sleeve 3
Being provided with the clutch ratchet 6 of fixing sleeve, be cased with driving gear 4 on the sleeve of fixing sleeve 3, the end face at driving gear 4 sets
The clutch ratchet 5 of driving gear, driving gear 4 and driven gear 9 is had to be in normal engagement, under the effect of spring 7 actively
The clutch ratchet 5 of gear is in normal separated position with the clutch ratchet 6 of fixing sleeve, and now, driving shaft 1 rotates and driving gear
4 do not rotate, and 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 spine of driving gear
Pawl 5 is in engagement with the clutch ratchet 6 of fixing sleeve, and now, driving shaft 1 rotates and drives driving gear 4 to rotate, driven tooth
Wheel 9 and driven shaft 10 also rotate.Its described fixing sleeve 3 is provided with clutch ratchet 6 one end of fixing sleeve and is provided with clutch ratchet
Foundation 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
The inner side of clutch ratchet foundation ring 11.The driven gear 9 being fixed with on driven shaft 10 is multiple, accordingly on driving shaft 1
The fixing sleeve 3 being fixed with also is the multiple of equivalent, is cased with a driving gear on the sleeve of each fixing sleeve 3
4, a driving gear 4 engages with corresponding driven gear 9, the driving gear 4 of every pair of meshing and driven gear 9
Gear ratio is different.
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 |
|---|---|---|---|
| CN201620492518.6U CN205801414U (en) | 2016-05-26 | 2016-05-26 | A kind of device of constant mesh gear speed change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620492518.6U CN205801414U (en) | 2016-05-26 | 2016-05-26 | A kind of device of constant mesh gear speed change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205801414U true CN205801414U (en) | 2016-12-14 |
Family
ID=57499613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620492518.6U Active CN205801414U (en) | 2016-05-26 | 2016-05-26 | A kind of device of constant mesh gear speed change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205801414U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105947101A (en) * | 2016-05-26 | 2016-09-21 | 石宗泽 | Constant mesh gear speed change device |
-
2016
- 2016-05-26 CN CN201620492518.6U patent/CN205801414U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105947101A (en) * | 2016-05-26 | 2016-09-21 | 石宗泽 | Constant mesh gear speed change device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Shi Xingyun Inventor before: Shi Zongze |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170623 Address after: 401520 Chongqing city Hechuan City mansion No. 3 unit 1 5-2 Patentee after: Shi Xingyun Address before: Chongqing Hechuan road 401520 No. 666 China field 3 8-3 Patentee before: Shi Zongze |