CN205971726U - Interior locking -type bicycle speed changer - Google Patents
Interior locking -type bicycle speed changer Download PDFInfo
- Publication number
- CN205971726U CN205971726U CN201620529317.9U CN201620529317U CN205971726U CN 205971726 U CN205971726 U CN 205971726U CN 201620529317 U CN201620529317 U CN 201620529317U CN 205971726 U CN205971726 U CN 205971726U
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- CN
- China
- Prior art keywords
- speed shaft
- speed
- gear
- variable
- type bicycle
- 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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Abstract
The utility model discloses an interior locking -type bicycle speed changer relates to bicycle speed change gear, including the action wheel, from driving wheel, front gear axle, back variable speed axle, transmission, action wheel, follow driving wheel all include the ring gear of master and a plurality of different diameters, and the concentric spaced setting of a plurality of ring gears is on the master, the front gear axle changes speed epaxial activity respectively after, and is provided with with the action wheel, drivenly takes turns to the ring gear meshed gears, and the front gear axle epaxial interior locking device that all is provided with the locking teeth wheel that changes speed after with, connect through the transmission transmission between front gear axle and the back variable speed axle. The utility model discloses having reduced the weight of whole device, not used the chain to tighten the device, the structure is oversimplified more, and has realized a plurality of gears variable speed of bicycle.
Description
Technical field
This utility model is related to derailleur, in particular to a kind of inner locking type bicycle speed-varying unit.
Background technology
Bicycle is a kind of vehicles that people commonly use, and China is even more a bikedom, and existing bicycle becomes
Speed variator is with chain drive mostly, by the change of drivewheel and driven wheel diameter, reaches the purpose changing transmission speed ratio.Should
The kind of drive has the following disadvantages：First, the multiple fluted discs before and after on car body become very heavy by bicycle, and multi-gear disk changes
Shelves need to use chain hook and tightening device, and part is numerous and diverse, heavy；2nd, complex structure, functional reliability is not high, because having
Multigroup sprocket wheel, frequently, chain tension needs to adjust for chain transposition, often the event such as card chain, chain releasing, chain rupture in use
Barrier problem；3rd, manual operation, from quick to acting on inconvenience through multi-speed shift at a slow speed, manual operation is difficult to road
The best fit state of condition, speed and people's active force three aspect of riding.
Utility model content
The purpose of this utility model is to provide a kind of inner locking type bicycle speed-varying unit, to solve the above problems.
For realizing this utility model purpose, the technical scheme of employing is：A kind of inner locking type bicycle speed-varying unit, including actively
Wheel, driven pulley, front variable-speed shaft, rear variable-speed shaft, actuating device；It is Bu Tong straight with multiple that described drivewheel, driven pulley all include master
The gear ring in footpath, and being arranged on master of multiple gear ring concentric spacing；Activity setting respectively on described front variable-speed shaft, rear variable-speed shaft
Have and be provided with the interior of lock gear with drivewheel, on driven pulley upper ring gear meshed gears, and front variable-speed shaft and rear variable-speed shaft
Locking device, is connected by drive between front variable-speed shaft and rear variable-speed shaft.
Further, described front variable-speed shaft and rear variable-speed shaft are provided with the first drive.
Further, described actuating device includes power transmission shaft and two the second drives, and two the second drives are all fixing
On power transmission shaft, and two the second drives are engaged with the first drive on front variable-speed shaft and rear variable-speed shaft respectively.
Further, the inner headed face of described gear is provided with the draw-in groove being engaged by clamping with internal locking device.
Further, described draw-in groove at least three, being distributed on gear of three draw-in groove even circumferentials.
Further, described internal locking device is made up of inner lock rings and latch, and latch is collapsible along the radial direction of inner lock rings
It is arranged on inner lock rings, and latch is matched with draw-in groove.
Further, described inner lock rings are cavity ring, and latch runs through inner lock rings, and is provided with inner lock rings on latch
Block, and be provided with compression spring between block and inner lock rings inwall.
Further, the spacing between each gear ring is equal.
Further, described internal locking device is equipped with the sliding shoe controlling the different gear of locking.
The beneficial effects of the utility model are, by original overlapping multiple fluted disc is transformed into the form of gear ring, to reduce
The weight of whole device, does not use chain tightening device, structure simplerization.Simultaneously on front variable-speed shaft and rear variable-speed shaft
Multiple gears are installed, allow gear be in idling conditions, by the internal locking device laid in front variable-speed shaft and rear variable-speed shaft and slip
The cooperation of block, a gear, the gear ring on drivewheel and the front change on variable-speed shaft before making the locking device in front variable-speed shaft lock
The gear engagement of locking on fast axle, when drivewheel rotates, by the gear ring on the gear of locking and drivewheel on front variable-speed shaft
Engagement, before so that drivewheel is driven, variable-speed shaft rotates, and now other gears are in idle running on front variable-speed shaft, and front variable-speed shaft passes through
After actuating device drives, variable-speed shaft rotates, and the one of gear on rear variable-speed shaft is locked by internal locking device, by rear
On variable-speed shaft, the gear of locking is engaged with the gear ring on driven pulley, finally achieves multiple gear speed-changings of bicycle.
Brief description
Fig. 1 is the structure chart of the inner locking type bicycle speed-varying unit that this utility model provides；
Fig. 2 is the sectional view of inner lock rings；
Fig. 3 is A-A sectional view in Fig. 1；
Fig. 4 be forward and backward variable-speed shaft sectional view；
Fig. 5 is the side view of drivewheel, driven pulley；
Labelling and corresponding parts title in accompanying drawing：
1st, drivewheel, 2, driven pulley, 3, front variable-speed shaft, 4, rear variable-speed shaft, 5, master, 6, gear ring, 7, gear, 8, slide
Block, the 9, first drive, 10, power transmission shaft, 11, second driving shaft, 12, draw-in groove, 13, inner lock rings, 14, latch, 15, block, 16,
Compression spring, 17, control line.
Specific embodiment
Below by specific embodiment and combine accompanying drawing this utility model is described in further detail.
A kind of inner locking type bicycle speed-varying unit that the shown this utility model of Fig. 1-Fig. 5 provides, including drivewheel 1, from
Driving wheel 2, front variable-speed shaft 3, rear variable-speed shaft 4, actuating device；It is Bu Tong straight with multiple that described drivewheel 1, driven pulley 2 all include master 5
The gear ring 6 in footpath, the center of circle of the gear ring 6 of multiple different-diameters in same position, and multiple gear ring 6 concentric spacing be arranged on master
On 5, gear ring 6 and master 5 right angle setting, gear ring 6 be at least 3 to enclose, each gear ring 6 of different sizes, the arrangement of gear ring 6 according to from
Little to arranging from inside to outside around the center of circle of master 5 greatly；It is movably set with respectively on described front variable-speed shaft 3, rear variable-speed shaft 4 and active
Wheel 1, driven pulley 2 upper ring gear 6 meshed gears 7, the gear 7 on front variable-speed shaft 3 rotates on front variable-speed shaft 3, on rear variable-speed shaft 4
Gear 7 rotate on rear variable-speed shaft 4, drivewheel 1, the quantity of driven pulley 2 gear 7 and drivewheel 1, driven pulley 2 upper ring gear 6
Quantity equal, gear ring 6 corresponding with drivewheel 1 engages, on rear variable-speed shaft 4 each gear 7 on front variable-speed shaft 3 respectively
Gear ring 6 corresponding with driven pulley 2 engages each gear 7 respectively；It is provided with lock on described front variable-speed shaft 3 and rear variable-speed shaft 4
The internal locking device of fixed gear, the internal locking device on front variable-speed shaft 3 is used for the gear 7 on front variable-speed shaft 3 is locked, rear variable-speed shaft 4
On internal locking device be used for the gear 7 on rear variable-speed shaft 4 is locked, the position of the position of internal locking device, quantity and gear 7, number
Amount is corresponding, and front variable-speed shaft 3 and rear variable-speed shaft 4 are connected by drive.
First drive 9 is provided with described front variable-speed shaft 3 and rear variable-speed shaft 4, the first drive 9 is fixedly installed, and
First drive 9 is located at the opposite end of front variable-speed shaft 3 and rear variable-speed shaft 4；Described actuating device includes power transmission shaft 10 and two
Two drives 11, two the second drives 11 are fixed on power transmission shaft 10, and two the second drives 11 are separately fixed at transmission
The two ends of axle 10, two the second drives 11 with engage with the first drive 9 on front variable-speed shaft and rear variable-speed shaft respectively, transmission
The second drive 11 being located at left side on axle 10 is engaged with the first drive 9 on front variable-speed shaft 3, and power transmission shaft 10 is located at right side
The second drive 11 engage with the first drive 9 on rear variable-speed shaft 4 it is achieved that front variable-speed shaft 3 drive after variable-speed shaft 4 turn
Dynamic, finally realize drivewheel 1 and drive driven pulley 2 to rotate.
The draw-in groove 12 being engaged by clamping with internal locking device, current variable-speed shaft 3 or rear change are provided with the inner headed face of described gear 7
When internal locking device on fast axle 4 is engaged by clamping with corresponding gear 7 on front variable-speed shaft 3 and rear variable-speed shaft 4 respectively, it is engaged by clamping
Gear 7 rotates with the rotation of front variable-speed shaft 3, rear variable-speed shaft 4, and the gear 7 that remaining is not engaged by clamping is respectively in front variable-speed shaft 3
Dally with rear variable-speed shaft 4；Described draw-in groove 12 at least three, being distributed on gear 7 of three draw-in groove 12 even circumferentials, and interior
Lock ring 13 is matched with the position of draw-in groove 12；Described internal locking device is made up of inner lock rings 13 and latch 14, peace that latch 14 is collapsible
It is contained on inner lock rings 13, and latch 14 is matched with draw-in groove 12；Described inner lock rings 13 are cavity ring, and latch 14 runs through inner lock rings
13, latch 14 is provided with positioned at inner lock rings 13 internal stop 15, and is provided with compression bullet between block 15 and inner lock rings 13 inwall
Spring 16, compression spring 16 is set on latch 14, and one end of compression spring 16 is fixed on block 15, compression spring 16 another
One end is fixed on the cylindrical inwall of inner lock rings 13.
Spacing between each gear ring 6 is equal, it is to avoid two adjacent gear rings 6 are interfered；Described internal locking device arranges
There is the sliding shoe 8 controlling the different gear 7 of locking, sliding shoe 8 slides in front variable-speed shaft 3 and rear variable-speed shaft 4 respectively and arranges, and front
Control line 17 is respectively connected with the sliding shoe 8 in variable-speed shaft 3, rear variable-speed shaft 4, control line 17 passes through front variable-speed shaft 3, rear variable-speed shaft
The opening at 4 two ends makes sliding shoe 8 move left and right in front variable-speed shaft 3, rear variable-speed shaft 4 by control line 17 outside extending to.Described
Sliding shoe 8 is broad in the middle small in ends, and the mid diameter of sliding shoe 8 is equal with the internal diameter of inner lock rings 13, specially in sliding shoe 8
Between position cylindrical, two ends are in coniform, make that the movement of sliding shoe 8 is convenient, and using effect is more preferable.When needing speed change,
Sliding shoe 8 be subject to external force in the presence of, sliding shoe 8 moves at corresponding inner lock rings 13, now sliding shoe 8 by latch 14 to
Outside ejection, the ejection part of latch 14 is engaged with draw-in groove 12, and now the compression spring 16 in inner lock rings 13 is compressed, and makes corresponding
Gear 7 clamping, the rotation of the rotation driven gear 7 of gear ring 6, realize the power output of corresponding gear ring 6；When sliding shoe 8 leaves
During inner lock rings 13, the compression spring 16 in inner lock rings 13 resets, and latch 14 is resetted, and latch 14 exits draw-in groove 12, now gear ring 6
Rotation driven gear 6 dally.
When bicycle goes up a slope, drivewheel 1 is set to 1 grade of driven pulley 2 and is set to 3 grades, now, cunning in front variable-speed shaft
Motion block 8 makes at 1 grade of sliding shoe 8 arrival by the traction of control line 17, gear ring 6 and the front variable-speed shaft 3 of the innermost layer on drivewheel 1
Above engage with corresponding gear 7, and at the corresponding inner lock rings of gear 13, latch 14 is engaged with gear 7, the gear 7 of engaging is no longer
Dally around front variable-speed shaft 3, but drive before variable-speed shaft 3 rotate, and the gear not engaged with latch 14 on front variable-speed shaft 3 then with front
Variable-speed shaft dallies, and allows the first drive 9 being fixed on front variable-speed shaft 3 drive transmission dress by the rotation of front variable-speed shaft 3
Put rotation, thus variable-speed shaft 4 rotates after driving.This moment, the sliding shoe 8 in rear variable-speed shaft 4 passes through control line 17 traction makes slip
Block 8 reaches at the corresponding inner lock rings of 3 file locations 13, and that is, locking driven pulley 2 outermost layer gear ring 6 carries out power output.Thus, realize
With the gear ring 6 on the power drive driven pulley 2 of drivewheel 1 upper ring gear 6, reach labour-saving purpose.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this
For the technical staff in field, this utility model can have various modifications and variations.All of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvement made etc., should be included within protection domain of the present utility model.
Claims (9)
1. inner locking type bicycle speed-varying unit it is characterised in that：Including drivewheel, driven pulley, front variable-speed shaft, rear variable-speed shaft, transmission
Device；Described drivewheel, driven pulley all include master and the gear ring of multiple different-diameter, and the setting of multiple gear ring concentric spacing
On master；The tooth being engaged with drivewheel, driven pulley upper ring gear is movably set with respectively on described front variable-speed shaft, rear variable-speed shaft
Wheel, and the internal locking device of lock gear is provided with front variable-speed shaft and rear variable-speed shaft；Logical between front variable-speed shaft and rear variable-speed shaft
Cross drive to connect.
2. inner locking type bicycle speed-varying unit according to claim 1 is it is characterised in that described front variable-speed shaft and rear variable-speed shaft
On be provided with the first drive.
3. inner locking type bicycle speed-varying unit according to claim 2 is it is characterised in that described actuating device includes power transmission shaft
With two the second drives, two the second drives are each attached on power transmission shaft, two the second drives respectively with front variable-speed shaft
With the first drive engagement on rear variable-speed shaft.
4. inner locking type bicycle speed-varying unit according to claim 1 is it is characterised in that arrange on the inner headed face of described gear
There is the draw-in groove being engaged by clamping with internal locking device.
5. inner locking type bicycle speed-varying unit according to claim 4 is it is characterised in that described draw-in groove at least three, and three
Being distributed on gear of individual draw-in groove even circumferential.
6. inner locking type bicycle speed-varying unit according to claim 4 it is characterised in that described internal locking device by inner lock rings and
Latch is constituted, latch along inner lock rings radial direction collapsible be arranged on inner lock rings, and latch is matched with draw-in groove.
7. inner locking type bicycle speed-varying unit according to claim 6, it is characterised in that described inner lock rings are cavity ring, is inserted
Pin runs through the block being provided with inner lock rings, and latch in inner lock rings, is provided with compression between block and inner lock rings inwall
Spring.
8. inner locking type bicycle speed-varying unit according to claim 1 is it is characterised in that spacing phase between each gear ring
Deng.
9. inner locking type bicycle speed-varying unit according to claim 1 is it is characterised in that described internal locking device is equipped with control
The sliding shoe of the different gear of locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620529317.9U CN205971726U (en) | 2016-06-03 | 2016-06-03 | Interior locking -type bicycle speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620529317.9U CN205971726U (en) | 2016-06-03 | 2016-06-03 | Interior locking -type bicycle speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205971726U true CN205971726U (en) | 2017-02-22 |
Family
ID=58020433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620529317.9U Expired - Fee Related CN205971726U (en) | 2016-06-03 | 2016-06-03 | Interior locking -type bicycle speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205971726U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985500A (en) * | 2017-11-27 | 2018-05-04 | 黄锋 | Bicycle speed-varying unit |
| CN108926792A (en) * | 2018-08-06 | 2018-12-04 | 陆连英 | A kind of fire-fighting lance support being easily installed |
-
2016
- 2016-06-03 CN CN201620529317.9U patent/CN205971726U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985500A (en) * | 2017-11-27 | 2018-05-04 | 黄锋 | Bicycle speed-varying unit |
| CN107985500B (en) * | 2017-11-27 | 2019-10-18 | 黄锋 | Bicycle speed-varying unit |
| CN108926792A (en) * | 2018-08-06 | 2018-12-04 | 陆连英 | A kind of fire-fighting lance support being easily installed |
| CN108926792B (en) * | 2018-08-06 | 2021-04-13 | 江苏柯德展示道具有限公司 | Fire water gun support convenient to installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20180603 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |