CN205918848U - Clutch and variable speed assembly - Google Patents
Clutch and variable speed assembly Download PDFInfo
- Publication number
- CN205918848U CN205918848U CN201620520840.5U CN201620520840U CN205918848U CN 205918848 U CN205918848 U CN 205918848U CN 201620520840 U CN201620520840 U CN 201620520840U CN 205918848 U CN205918848 U CN 205918848U
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- clutch
- change
- speed gearing
- arrangement
- group
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Abstract
The utility model discloses a clutch and variable speed assembly, including two freewheel clutch and two at least clutches, can realize automatic separation and reunion function reducing the control requirement to tradition " clutch " according to the speed change of driving shaft and driven shaft or direction of rotation's transform, realize " foolproof " operation of clutch switching to avoid the generation of power interference, avoid clutch disc non - normal wear and to speed change mechanism's extra impact, reduce the maintenance cost when improving derailleur life.
Description
Technical field
This utility model is related to mechanical field and in particular to a kind of power transmission, more particularly, to a kind of arrangement of clutch
And there is the speed changing assembly of this arrangement of clutch.
Background technology
Variator, as the important composition of motor vehicles Poewr transmission mechanism, develops into its structure today and form is various each
Sample, dct (dual clutch transmission, double-clutch speed changer) is increasingly subject to its dynamic property, ride comfort, economy
To favor, but its structure is also more accurate and complicated simultaneously, and to controlling, requirement is very high, once controlling inaccurate, such as clutch
Device 1 and clutch 2 switch not in time, will produce power interference, lead to the too early excessive wear of clutch disc, and to speed change
Device produces additional impact in itself, also can increase maintenance cost while impact service life.
Utility model content
In view of this, this utility model embodiment provides a kind of arrangement of clutch and speed changing assembly, can according to driving shaft and
The conversion of the velocity variations of driven shaft or direction of rotation has automatic clutch function, and reducing the control to traditional " clutch " will
Ask, realize clutch switching " foolproof " operation, thus avoid produce power interference, it is to avoid clutch disc improper
Abrasion and the additional impact to gear, improve and reduce maintenance cost while variator service life.
A kind of arrangement of clutch that this utility model embodiment provides, is connected to power output shaft and speed change as individual components
Between gear train output shaft, comprising: there is the change-speed gearing group of change-speed gearing group input shaft；It is connected to power output shaft and speed change
First clutch between gear unit input shaft and second clutch；And it is connected to power output shaft and the input of change-speed gearing group
Between axle or be connected to the first freewheel clutch and second freewheel clutch of change-speed gearing group output shaft, the first overdrive clutch
Device is also attached to first clutch, and the second freewheel clutch is also attached to second clutch.
Alternatively, first clutch and second clutch and change-speed gearing group are integrated in dual-clutch transmission.
Alternatively, change-speed gearing group input shaft include the first input shaft being connected with first clutch and with the second clutch
The second input shaft that device connects, the second input shaft is hollow axle, and the first input shaft is arranged in as in the second input shaft of hollow axle.
Alternatively, change-speed gearing group includes first group of change-speed gearing group and second group of change-speed gearing group, first group of gear teeth
Wheel group is connected to the first freewheel clutch, and for hanging odd number gear, second group of change-speed gearing group is connected to the second freewheel clutch,
For hanging even number gear.
Alternatively, arrangement of clutch also includes the 3rd clutch and the 4th clutch, and the 3rd clutch is connected to power output
Between axle and first group of change-speed gearing group, the 4th clutch is connected between power output shaft and second group of change-speed gearing group.
Alternatively, the first freewheel clutch includes the first driving link and the first driven member, and the second freewheel clutch includes
Two driving links and the second driven member, the 3rd clutch includes the 3rd driving link and the 3rd driven member, and the 4th clutch includes the 4th
Driving link and the 4th driven member, the 3rd driving link is connected to the first driving link, and the 3rd driven member is connected to the first driven member, and the 4th
Driving link is connected to the second driving link, and the 4th driven member is connected to the second driven member.
Alternatively, it is connected with fluid torque-converter between arrangement of clutch and power output shaft further.
Alternatively, arrangement of clutch is integrated with torsion damping mechanism further.
Alternatively, torsion damping mechanism includes the first rotatable parts, the second rotatable parts and spring cushion, first turn
Dynamic component and the second rotatable parts are coaxially disposed and can relatively rotate, and form one between the first rotatable parts and the second rotatable parts
Annular housing, spring cushion is arranged in annular housing, and the rotation direction along the first rotatable parts and the second rotatable parts
Elastic connection first rotatable parts and the second rotatable parts.
A kind of speed changing assembly that this utility model embodiment provides, including above-mentioned arrangement of clutch.
The arrangement of clutch of this utility model embodiment and speed changing assembly, including two freewheel clutches and at least two from
Clutch, can have automatic clutch function according to the conversion of the velocity variations of driving shaft and driven shaft or direction of rotation, it is right to reduce
The control of traditional " clutch " requires, and realizes " foolproof " operation of clutch switching, thus avoiding producing power interference,
Avoid heel and toe wear and the additional impact to gear of clutch disc, improve and while variator service life, reduce dimension
Repair expense.
Brief description
Fig. 1 is the principle frame schematic diagram of arrangement of clutch one embodiment of the present utility model；
Fig. 2 is the structural representation of arrangement of clutch one embodiment of the present utility model；
Fig. 3 is the structural representation of another embodiment of arrangement of clutch of the present utility model；
Fig. 4 is the structural representation of freewheel clutch one embodiment of the present utility model；
Fig. 5 is the structural representation of another embodiment of freewheel clutch of the present utility model；
Fig. 6 is the structural representation of torsion damping mechanism one embodiment of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, to each exemplary reality provided by the utility model
The technical scheme applying example is clearly and completely described.It should be noted that used in the description of this utility model embodiment
Term " connection ", both can be for being directly connected between two structural details or two structural details pass through other yuan
Part is realized connecting.
Fig. 1 is the principle frame schematic diagram of arrangement of clutch one embodiment of the present utility model；Fig. 2 is clutch of the present utility model
The structural representation of device one embodiment.Refering to Fig. 1 and Fig. 2, the arrangement of clutch 10 of the present embodiment is connected to as individual components
Between power output shaft 20 and change-speed gearing group output shaft 30, for receiving power from power output shaft 20, and pass through gear teeth
Wheel group output shaft 30 and the differential mechanism being connected with change-speed gearing group output shaft 30 export power with driving load, described load bag
Include but be not limited to such as automotive wheel etc..This arrangement of clutch 10 is applicable not only to the motor vehicles such as vehicle, and goes for ship
The Power Drive Units such as oceangoing ship, train, crane.
Arrangement of clutch 10 includes: has the change-speed gearing group 13 of change-speed gearing group input shaft, described change-speed gearing group input
Axle includes the first input shaft 11a and the second input shaft 11b；It is connected between power output shaft 20 and change-speed gearing group input shaft
First clutch 12a and second clutch 12b；It is connected between power output shaft 20 and change-speed gearing group input shaft or connect
In the first freewheel clutch 14a and the second freewheel clutch 15a of change-speed gearing group output shaft 30, the first freewheel clutch 14a
It is also attached to first clutch 12a, the second freewheel clutch 15a is also attached to second clutch 12b.Specifically, first surmounts
Clutch 14a is connected between first clutch 12a and the first input shaft 11a of change-speed gearing group 13, and the second overdrive clutch
Device 15a is connected between second clutch 12b and the second input shaft 11b of change-speed gearing group 13, and the transmittance process of power is:
Be transferred to the first input shaft 11a via first clutch 12a, the first freewheel clutch 14a successively, and successively via second from
Clutch 12b, the second freewheel clutch 15a are transferred to the second input shaft 11b, and are finally transmitted to change-speed gearing group output shaft 30.
Certainly, first clutch 12a can also be directly connected in the first input shaft 11a of change-speed gearing group 13, and second
Clutch 12b is directly connected in the second input shaft 11b of change-speed gearing group 13, and now the transmittance process of power is: successively via
First freewheel clutch 14a, first clutch 12a are transferred to the first input shaft 11a, and are transferred to become through change-speed gearing group 13
Fast gear train output shaft 30, and it is transferred to the second input shaft via the second freewheel clutch 15a, second clutch 12b successively
11b, and it is transferred to change-speed gearing group output shaft 30 through change-speed gearing group 13.In addition, the first freewheel clutch 14a can indirectly with
First clutch 12a connects, and for example, the first freewheel clutch 14a is connected to the first output shaft 11c of change-speed gearing group 13, and
Second freewheel clutch 15a is connected to the second output shaft 11d of change-speed gearing group 13, and now the transmittance process of power is: successively
It is transferred to change-speed gearing group output shaft 30 via first clutch 12a, the first output shaft 11c, the first freewheel clutch 14a, with
And it is transferred to change-speed gearing group output shaft via second clutch 12b, the second output shaft 11d, the second freewheel clutch 15a successively
30.
In this utility model embodiment, the type of the first freewheel clutch 14a and the second freewheel clutch 15a can phase
With differing, described type can be for example shown in roller type freewheel clutch or the Fig. 5 shown in Fig. 4
Wedge type over running clutch.
As shown in figure 4, roller type freewheel clutch include having the outer ring 111 of cartridge type internal diameter, the inner ring 112 with slope,
It is respectively subjected to spring force and one group of roller 113 being in close contact all the time with inner ring 112 and outer ring 111.Inner ring 112 is in its motion side
Upwards rotarily drive roller 113 towards the narrower place of ramp, thus driving outer ring 111 rotating Vortex, freewheel clutch engage；
When the rotary speed of outer ring 111 is more than the rotary speed of inner ring 112, roller 113 is due to centrifugal action towards ramp relatively
At width, freewheel clutch separates.Wherein, inner ring 112 is equivalent to the driving link of freewheel clutch, that outer ring 111 is equivalent to it is driven
Part.
As shown in figure 5, Wedge type over running clutch includes inner ring 114,115, one group of outer ring voussoir 116 and positioning voussoir
116 voussoir retainer 117.Voussoir 116 by the wedging between inner ring 114 and outer ring 115 come from a raceway to another
Individual raceway transmits power, and voussoir 116 has two to angular diameter, that is, from one jiao of voussoir 116 to another diagonal distance, wherein one
Individual diagonal with diameter greater than another to angular diameter.The voussoir 116 that rotarily drives in its direction of motion for the inner ring 114 makes voussoir
116 larger is fastened between inner ring 114 and outer ring 115 to angular diameter, thus driving outer ring 115 rotating Vortex, overdrive clutch
Device engages.When the rotary speed of outer ring 115 is more than the rotary speed of inner ring 114, the less of voussoir 116 is fastened in angular diameter
Between inner ring 114 and outer ring 115, freewheel clutch separates.Wherein, inner ring 114 is equivalent to the driving link of freewheel clutch, outer ring
115 driven members being equivalent to freewheel clutch.
In the present embodiment, first clutch 12a can identical can also differ with the type of second clutch 12b,
Described type includes but is not limited to traditional dry clutch and wet clutch.First clutch 12a and second clutch 12b
And change-speed gearing group 13 can be dct (dual clutch transmission, double-clutch speed changer), such as shown in Fig. 2
The pressure-bearing type dct shown in longitudinal dct and Fig. 3.Refering to shown in Fig. 2, its second input shaft 11b is hollow axle, and first is defeated
Enter axle 11a to be arranged in as, in the second input shaft 11a of hollow axle, its lateral dimension is shorter and longitudinal size is longer, is therefore beneficial to
Laterally disposed.Refering to shown in Fig. 3, its change-speed gearing group 13 is provided only with an output shaft, and this output shaft can be considered shown in Fig. 1
Change-speed gearing group output shaft 30, its longitudinal size is shorter and lateral dimension is longer, is therefore beneficial to placed longitudinally.Further combined with figure
Shown in 1, the first freewheel clutch 14a and the second freewheel clutch 15a of this utility model embodiment can be integratedly connected on respectively
The first input shaft 11a shown in Fig. 2 or Fig. 3 and the second input shaft 11b, or it is defeated to be integratedly connected on first shown in Fig. 2 respectively
Shaft 11c and the second output shaft 11d, or the first freewheel clutch 14a or the second freewheel clutch 15a is integratedly connected on figure
The output shaft of the change-speed gearing group 13 shown in 3.
With continued reference to Fig. 1, drive state during arrangement of clutch 10 work of the present embodiment is:
From static to the starting-up process of normally travel, change-speed gearing group 13 hangs 1 gear to vehicle, controls first clutch 12a
Driving link and driven member gradually engage from being separated to, the power of power output shaft 20 output drives the through first clutch 12a
One freewheel clutch 14a, makes the driving link of the first freewheel clutch 14a and driven member gradually engage from being separated to, first surmounts
Clutch 14a engages automatically, to transmit power to change-speed gearing group 13, thus ensureing the gentle start of vehicle.
During the traveling of vehicle, when travel speed reaches gearshift and requires, change-speed gearing group 13 hangs 2 gears, controls the
The driving link of two clutch 12b and driven member gradually engage from being separated to, the power of power output shaft 20 output through second from
Clutch 12b drives the second freewheel clutch 15a, makes the driving link of the second freewheel clutch 15a and driven member from being separated to gradually
Engage, the second freewheel clutch 15a engages automatically.Now, the rotating speed of the driven member side of the first freewheel clutch 14a is more than it
The rotating speed of driving link side, the first freewheel clutch 14a surmounts automatically, and that is, its driving link and driven member are automatically separated, this
Shi Wuxu controls the driving link of first clutch 12a to separate with driven member, and the power of change-speed gearing group output shaft 30 also will not be through
Power output shaft 20 is back to by change-speed gearing group 13, will not produce power interference.
In the present embodiment, change-speed gearing group 13 includes first group of change-speed gearing being connected to the first freewheel clutch 14a
Group and second group of change-speed gearing group being connected to the second freewheel clutch 15a, first group of change-speed gearing group is used for hanging odd number gear
With reverse gear, such as 1,3,5 gears, second group of change-speed gearing group is used for hanging even number gear, such as 2,4,6 gears.Similar to aforementioned 1 gear switching
To 2 gears, during the traveling of vehicle, when travel speed reaches and switches to the gearshift of 3 gears by 2 gears and require, carried out using 1 gear
Power relays.That is, the speed of the driven member side of the first freewheel clutch 14a is more than the speed of its driving link side, and it is automatic
Surmount, now heighten the rotating speed of electromotor so that the driving link side of the first freewheel clutch 14a speed be more than its from
The speed of moving part side, the first freewheel clutch 14a engages automatically, power output shaft 20 output power through first surmount from
Clutch 14a is transferred to change-speed gearing group 13 and exports to change-speed gearing group output shaft 30.
The like i.e. can achieve this utility model embodiment gearshift.
In the present embodiment, power output shaft 20 and change-speed gearing group output shaft 30 can be considered the driving shaft of existing variator
And driven shaft, arrangement of clutch 10 can realize automatically connecing according to the conversion of the velocity variations of driving shaft and driven shaft or direction of rotation
Closing and separate, that is, realize automatic clutch function, thus reduce the control to traditional " clutch " requiring, realizing clutch switching
" foolproof " operation, it is to avoid produce power interference, it is to avoid the heel and toe wear of clutch disc and extra to gear
Impact, improves and reduces maintenance cost while variator service life.
With continued reference to Fig. 1～3, described arrangement of clutch 10 can also include the 3rd clutch 14b and the 4th clutch 15b,
3rd clutch 14b is connected between first clutch 12a and first group of change-speed gearing group, and the 4th clutch 15b is connected to
Between two clutch 12b and second group of change-speed gearing group.When implementing, the driving link of the 3rd clutch 14b can be with first
The driving link of freewheel clutch 14a connects, and the driven member of the 3rd clutch 14b can be driven with the first freewheel clutch 14a
Part connects, and the driving link of the 4th clutch 15b can connect with the driving link of the second freewheel clutch 15a, the 4th clutch
The driven member of 15b can connect with the driven member of the second freewheel clutch 15a, i.e. it is main that the first freewheel clutch 14a includes first
Moving part and the first driven member, the second freewheel clutch 15a includes the second driving link and the second driven member, the 3rd clutch 14b bag
Include the 3rd driving link and the 3rd driven member, the 4th clutch 15b includes the 4th driving link and the 4th driven member, the 3rd driving link is even
It is connected to the first driving link, the 3rd driven member is connected to the first driven member, and the 4th driving link is connected to the second driving link, and the 4th is driven
Part is connected to the second driven member.
In addition, it is necessary to explanation, when the 3rd clutch 14b engages, even if the first freewheel clutch 14a damages
Badly it is also possible to by the 3rd clutch 14b transmission power engaging and be bi-directional power, so-called bi-directional includes: power
Successively via power output shaft 20, first clutch 12a, the 3rd clutch 14b, the first input shaft 11a, change-speed gearing group 13
First group of change-speed gearing group for hanging odd number gear is transferred to change-speed gearing group output shaft 30；Power is successively via change-speed gearing group
Output shaft 30, first group of change-speed gearing group of change-speed gearing group 13, the first input shaft 11a, the 3rd clutch 14b, the first clutch
Device 12a is transferred to power output shaft 20.In the same manner, the 4th clutch 15b also has above-mentioned similar effect, and here is omitted.
Further, fluid torque-converter, clutch can also be connected between aforementioned arrangement of clutch 10 and power output shaft 20
The power that device 10 can be exported by the power source that fluid torque-converter receives the Power Drive Units such as vehicle.Wherein, fluid power becomes
The input shaft of square device and output shaft are contacted by automatic transmission fluid, are not rigidly connected between working component, can eliminate input
The shock and vibration producing in power transmission process are so that vehicle can soft be started to walk.In addition, fluid torque-converter also has other
Feature: overload protection performance and starting performance are good；The rotating speed of output shaft can be more than or less than input shaft rotating speed, speed discrepancy with
The size of transmitting torque and different；Good fluid drive performance, when load increases, output speed declines automatically, otherwise automatically on
Rise；Ensure that electromotor has stable working area, the transient changing of load will not reflect on electromotor substantially.
Fig. 6 is the structural representation of torsion damping mechanism one embodiment of the present utility model.This torsion damping mechanism can collect
Become on the rotatable parts of arrangement of clutch 10.As shown in fig. 6, this torsion damping mechanism 6 mainly include the first rotatable parts 61,
Two rotatable parts 62 and spring cushion 63.Wherein, the first rotatable parts 61 and the second rotatable parts 62 are coaxially disposed, and energy
Enough relatively rotate；It is formed with an annular housing, spring cushion 63 sets between first rotatable parts 61 and the second rotatable parts 62
It is placed in this annular housing, and first turn of the rotation direction elastic connection along the first rotatable parts 61 and the second rotatable parts 62
Dynamic component 61 and the second rotatable parts 62.Preferably, spring cushion 63 can be curved spring, and this curved spring is by least two
The spring of individual difference coefficient of elasticity is in series, thus, it is possible to improve effectiveness in vibration suppression.
It may be preferred to ground is in the first rotatable parts 61 and the second rotatable parts 62 in other embodiment of the present utility model
Multiple spring card slots (not shown) have been symmetrically formed it along each circumference respectively, accordingly, spring cushion 63 then includes blocking respectively
It is placed in the multiple straight springs (not shown) in the plurality of spring card slot.It is also preferable that bag in every group of corresponding spring card slot
Include the coefficient of elasticity mutually different straight spring of at least two series connection or nesting.
Torsion damping mechanism 6 can be integrated on the rotatable parts of arrangement of clutch 10, be for example integrated in first clutch 12a,
On the driving link of at least one or driven member in second clutch 12b, the 3rd clutch 14b and the 4th clutch 15b.When
So, torsion damping mechanism 6 can be integrated in driving link and driven member simultaneously, that is, respectively on driving link and driven member setting with
Civilian description scheme identical first torsion damping mechanism and the second torsion damping mechanism.It is achieved in two grades of vibration dampings.
Because the rotating speed from electromotor to automotive transmission and torque are periodically continually changing, this can make power train
The twisting vibration producing；On the other hand, because running car is on uneven road, make automotive transmission that angular velocity to occur unexpected
Change, also can cause twisting vibration.These twisting vibrations all can be to Parts for Power Train impacting property load so as to the life-span contracts
Short, or even part of damage.The torsion damping mechanism 6 of the present embodiment can eliminate twisting vibration and avoid resonating, and prevent power train mistake
Carry, with multiple functions such as an individual components simultaneously integrated " times gear " and " vibration dampings ".Further, due to torsion damping mechanism 6
Using double rotatable parts structures and have certain mass, therefore pass through to calculate and configure the quality of the two, it is possible to achieve with double matter
Amount flywheel identical function, and then integrated " double mass flywheel " function further.
This utility model embodiment further provides for a kind of speed changing assembly, and this speed changing assembly is included disclosed in above-described embodiment
The arrangement of clutch 10 of any one arrangement of clutch, such as embodiment illustrated in fig. 1, therefore this speed changing assembly have same having
Beneficial effect.
It should be understood that the foregoing is only embodiment of the present utility model, not thereby limit patent model of the present utility model
Enclose, every equivalent structure made using this description and accompanying drawing content or equivalent flow conversion, such as skill between each embodiment
The be combineding with each other of art feature, or directly or indirectly it is used in other related technical fields, all include in the same manner in this utility model
Scope of patent protection in.
Claims (10)
1. a kind of arrangement of clutch is it is characterised in that described arrangement of clutch is connected to power output shaft and speed change as individual components
Between gear train output shaft, comprising: there is the change-speed gearing group of change-speed gearing group input shaft；Be connected to described power output shaft and
First clutch between described change-speed gearing group input shaft and second clutch；And it is connected to described power output shaft and institute
State between change-speed gearing group input shaft or be connected to the first freewheel clutch of described change-speed gearing group output shaft and the second surpass
More clutch, described first freewheel clutch is also attached to described first clutch, and described second freewheel clutch is also attached to
Described second clutch.
2. arrangement of clutch according to claim 1 is it is characterised in that described first clutch and second clutch and institute
State change-speed gearing group and be integrated in dual-clutch transmission dct.
3. arrangement of clutch according to claim 1 is it is characterised in that described change-speed gearing group input shaft includes and described
The first input shaft and the second input shaft being connected with described second clutch that one clutch connects, described second input shaft is
Hollow axle, described first input shaft is arranged in as in described second input shaft of hollow axle.
4. arrangement of clutch according to claim 1 is it is characterised in that described change-speed gearing group includes first group of change-speed gearing
Group and second group of change-speed gearing group, described first group of change-speed gearing group is connected to described first freewheel clutch, strange for hanging
Number gear, described second group of change-speed gearing group is connected to described second freewheel clutch, for hanging even number gear.
5. arrangement of clutch according to claim 4 is it is characterised in that described arrangement of clutch also includes the 3rd clutch and
Four clutches, described 3rd clutch is connected between described power output shaft and described first group of change-speed gearing group, and described
Four clutches are connected between described power output shaft and described second group of change-speed gearing group.
6. arrangement of clutch according to claim 5 is it is characterised in that described first freewheel clutch includes the first driving link
With the first driven member, described second freewheel clutch includes the second driving link and the second driven member, and described 3rd clutch includes
3rd driving link and the 3rd driven member, described 4th clutch includes the 4th driving link and the 4th driven member, and the described 3rd actively
Part is connected to described first driving link, and described 3rd driven member is connected to described first driven member, and described 4th driving link connects
In described second driving link, described 4th driven member is connected to described second driven member.
7. arrangement of clutch according to claim 1 is it is characterised in that between described arrangement of clutch and described power output shaft
It is connected with fluid torque-converter further.
8. arrangement of clutch according to claim 1 is it is characterised in that described arrangement of clutch is integrated with torsion damping further
Mechanism.
9. arrangement of clutch according to claim 8 is it is characterised in that described torsion damping mechanism includes the first rotation section
Part, the second rotatable parts and spring cushion, described first rotatable parts and described second rotatable parts are coaxially disposed and can
Relatively rotate, between described first rotatable parts and described second rotatable parts, form an annular housing, described spring cushion
It is arranged in described annular housing, and the rotation direction elastic connection along described first rotatable parts and described second rotatable parts
Described first rotatable parts and described second rotatable parts.
10. a kind of speed changing assembly is it is characterised in that described speed changing assembly is included described in the claims 1～9 any one
Arrangement of clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620520840.5U CN205918848U (en) | 2016-05-30 | 2016-05-30 | Clutch and variable speed assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620520840.5U CN205918848U (en) | 2016-05-30 | 2016-05-30 | Clutch and variable speed assembly |
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| Publication Number | Publication Date |
|---|---|
| CN205918848U true CN205918848U (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620520840.5U Expired - Fee Related CN205918848U (en) | 2016-05-30 | 2016-05-30 | Clutch and variable speed assembly |
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| CN (1) | CN205918848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402289A (en) * | 2016-05-30 | 2017-02-15 | 龚小娥 | Clutch device and speed change assembly |
-
2016
- 2016-05-30 CN CN201620520840.5U patent/CN205918848U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402289A (en) * | 2016-05-30 | 2017-02-15 | 龚小娥 | Clutch device and speed change assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211229 Address after: 518101 1207, building 13, qinchengda paradise, zone 22, lingzhiyuan community, Xin'an street, Shenzhen, Guangdong Patentee after: SHENZHEN YUECHENG AUTOMOBILE TECHNOLOGY Co.,Ltd. Address before: 638099 No. 401, unit 1, building 1, No. 196, Guanghui street, Guang'an District, Guang'an City, Sichuan Province Patentee before: Gong Xiaoe |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 |