CN107042868B - Bicycle speed variator - Google Patents
Bicycle speed variator Download PDFInfo
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- CN107042868B CN107042868B CN201710157084.3A CN201710157084A CN107042868B CN 107042868 B CN107042868 B CN 107042868B CN 201710157084 A CN201710157084 A CN 201710157084A CN 107042868 B CN107042868 B CN 107042868B
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- 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
- B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
- B62M25/02—Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers
- B62M25/04—Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers hand actuated
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- Combustion & Propulsion (AREA)
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Abstract
The invention provides a bicycle dial speed changer which comprises a shell, wherein the shell is provided with a wiring port, a first ball groove is formed in the wiring port, the bicycle dial speed changer further comprises a speed change line adjusting unit, the speed change line adjusting unit comprises a connector, the connector is provided with a first ball part and a connecting part connected with the first ball part, the first ball part is installed in the first ball groove, and the first ball part is connected with the first ball groove in a ball hinge mode. The bicycle shifting speed changer has the advantages of facilitating the adjustment of the speed change line and preventing the speed change line and the speed change line adjusting unit from generating severe friction.
Description
Technical Field
The invention relates to the technical field of bicycle speed change, in particular to a bicycle speed changer.
Background
At present, most bicycles on the market are equipped with a speed changing system, wherein the mountain bike and the road bike take the speed changing system as an indispensable part. The bicycle speed change system has the function of changing the speed of a bicycle by adjusting a finger shifting speed changer arranged at the position of a handlebar to change the matching of gear discs with different sizes at the front and the back. Specifically, when the bicycle is shifted, the shift lever is shifted or the shift lever is shifted to adjust the tension condition of the shift cable, so that the positions of the front derailleur and the rear derailleur are adjusted, the chain is meshed with different gears on the front fluted disc and the rear fluted disc, and the speed of the bicycle is adjusted.
However, since the models of the bicycles are different, the shape and structure of the handlebars of the bicycles of different models are different, and the manual transmission is usually mounted on the handlebars, so that the mounting positions of the manual transmission on the handlebars of different models are different, and when the shift cable is connected to the manual transmission, the shift cable is easily rubbed by the shift cable adjusting unit of the manual transmission. When the bicycle is used for speed change adjustment, the speed change line can often rub against the speed change line adjusting unit, so that the surface of the speed change line is easily abraded, the speed change quality of the bicycle is affected, and the speed change line with the abraded surface is easily broken in the using process, so that potential safety hazards exist in the riding process. In addition, when the front derailleur and the rear derailleur are adjusted, the shifting cable adjusting unit of the manual transmission can generate friction with the shifting cable, so that the adjusting difficulty is increased, and even the shifting cable is seriously bent during adjustment and use, so that the adjustment and use of the shifting cable are influenced.
Disclosure of Invention
In order to solve the above problems, a primary object of the present invention is to provide a derailleur for bicycle that facilitates adjustment of a shift cable and prevents the shift cable from generating severe friction with a shift cable adjusting unit.
In order to achieve the main object of the present invention, the present invention provides a bicycle dial transmission, which comprises a housing, wherein the housing has a connection port, a first ball groove is arranged in the connection port, the bicycle dial transmission further comprises a shift cable adjusting unit, the shift cable adjusting unit comprises a connector, the connector has a first ball part and a connecting part connected with the first ball part, the first ball part is arranged in the first ball groove, and the first ball part is connected with the first ball groove through a ball hinge.
It is from top to bottom visible, the first ball groove of the connection mouth on first bulb and the casing of the connector of variable speed line regulating unit carries out the ball pivot and is connected for form a universal joint structure between connector and the connection mouth, make the connector have a plurality of angle regulation, make things convenient for the customer to indicate to dial the derailleur to install and debug the variable speed line to the bicycle. During the use, adjust the crooked radian of speed change line through adjusting the relative position between connector and the wiring mouth for the condition of seriously buckling can not appear when the speed change line stretches out from dialling the derailleur, influences the variable speed quality. In addition, can also avoid producing violent friction between variable speed line and the connector through adjusting the relative position of connector and wiring mouth for the regulation of variable speed line is more convenient, and, can reduce the frictional force of variable speed line and connector when using, avoids the variable speed line serious wear to appear, improves the life and the variable speed quality of variable speed line.
The further scheme is that a plurality of groups of limiting grooves are formed in the first ball groove along the axial direction of the wiring port, limiting assemblies are arranged in the circumferential direction of the first ball part, and the limiting assemblies can be clamped on one group of the limiting grooves.
It is from top to bottom visible, set up spacing subassembly on the first bulb of connector to make spacing subassembly and the spacing groove on the wiring mouth carry out the block, make the connector after carrying out the angle modulation, can have certain auto-lock ability, avoid the connector to adjust the back because the effort of speed change line itself makes the angle modulation emergence skew of connector, perhaps avoid riding the in-process, the connector angle emergence skew that leads to because the road surface jolts, guarantee the variable speed quality of bicycle.
The further scheme is that a blind groove is formed in the circumferential direction of the first ball part, the limiting assembly comprises a second spring and a limiting block, the limiting block is slidably mounted in the blind groove along the extending direction of the blind groove, the limiting block can be clamped on one group of limiting grooves, and two ends of the second spring are respectively abutted to the limiting block and the bottom of the blind groove.
It is further preferable that the blind groove extends in a direction perpendicular to the axial direction of the connecting portion.
In a further aspect, the number of sets of the limiting grooves is three, and each set of the limiting grooves is annularly arranged in the first ball groove.
The further proposal is that the limiting blocks are arranged in a spherical shape, and the cross sections of the plurality of groups of limiting grooves are all arranged in an arched shape.
It is from top to bottom visible, through set up the second spring between blind groove and stopper for when the connector is adjusting, the stopper can retract blind inslot, and then makes the connector have good regulating power, and when the connector was accomplished the regulation, the stopper can be at the spacing inslot at the block under the effect of second spring, and then makes the connector have good auto-lock ability.
The outer contour of the wiring port is spherically arranged and forms a second ball part, the speed change wire adjusting unit further comprises a locking assembly, the locking assembly is provided with a second ball groove, the locking assembly is sleeved on the connecting part, and the second ball groove is connected with the second ball part in a ball hinge mode.
Therefore, after the angle adjustment of the connector is completed, the relative position of the connector and the wiring port can be fixed through the locking element, the connector is prevented from being deviated under the action of external force, severe friction between the speed change line and the connector is avoided, and the speed change quality of the bicycle is improved.
According to a further scheme, the locking assembly comprises a supporting stud, a lock sleeve and a first spring, the supporting stud is sleeved on the connecting portion, a step surface is arranged on the supporting stud, the lock sleeve is sleeved on the supporting stud and provided with a second spherical groove, an annular bulge is arranged at the bottom of the second spherical groove, and two ends of the first spring are respectively abutted to the step surface and the annular bulge.
In a further aspect, the locking assembly further includes a locking nut threadably coupled to the support stud and press-fitted over the lock sleeve.
The further scheme is that a plurality of strip-shaped bulges which extend along the axial direction of the connecting part are arranged on the circumferential direction of the supporting stud, threads are arranged on the strip-shaped bulges, a plurality of grooves are arranged on the lock sleeve, and one strip-shaped bulge is positioned in one groove.
It is from top to bottom visible, set up lock nut and make lock nut pressfitting on the lock sleeve, play locking and fixed effect to the lock sleeve to through adjusting lock nut, can improve the pretightning force between lock sleeve and the wiring mouth, improve the steadiness of the connection between lock sleeve and the wiring mouth. And set up first spring between lock sleeve and supporting stud, can make the lock sleeve have certain elasticity accommodation space, when finely tuning the connector, can directly finely tune the connector through directly pulling the lock sleeve, need repeatedly adjust lock nut when exempting from the fine tuning, simplify the fine tuning step of connector. In addition, set up the bar arch on the supporting stud and with the screw thread setting on the bar arch to set up in the lock sleeve and protruding to the recess that matches with the bar, make when the relative supporting stud of lock sleeve removes, recess and bar arch play direction and limiting displacement to the lock sleeve, and can prevent that the lock sleeve from taking place to rock on the supporting stud, improved the stability of speed change line adjusting unit's work.
Drawings
FIG. 1 is a first operating mode block diagram of an embodiment of the derailleur of the present invention.
FIG. 2 is a cross-sectional view of a first in-use state of the embodiment of the bicycle derailleur of the present invention.
FIG. 3 is a block diagram of the housing of the embodiment of the derailleur of the present invention.
Fig. 4 is an enlarged view at a in fig. 2.
FIG. 5 is an enlarged partial view of an embodiment of the bicycle derailleur of the present invention.
FIG. 6 is a block diagram of the sleeve of the locking assembly of the embodiment of the derailleur of the present invention.
FIG. 7 is a structural diagram of a second operating condition of the embodiment of the derailleur of the bicycle of the present invention.
FIG. 8 is a second cross-sectional view of the embodiment of the bicycle derailleur illustrated in the present invention in a use configuration.
The invention is further explained with reference to the drawings and the embodiments.
Detailed Description
Referring to fig. 1 and 2, a derailleur 1 for a bicycle includes a housing 2 and a shift wire adjusting unit 3.
Referring to fig. 3 in combination with fig. 2, the housing 2 has a wire connection port 21, an outer contour of the wire connection port 21 is disposed in a spherical shape and forms a second spherical portion 23, a first spherical groove 211 is disposed in the wire connection port 21, a plurality of sets of limiting grooves 212 are disposed in the first spherical groove 211 along an axial direction of the wire connection port 21, specifically, the number of the sets of limiting grooves 212 is three, and each set of limiting grooves 212 is disposed in the first spherical groove 212 in an annular shape. In addition, the cross sections of the multiple sets of limiting grooves 211 are all arranged in an arc shape.
Referring to fig. 4 to 6 in conjunction with fig. 2, the shift wire adjusting unit 3 includes a coupling head 4, a spacing assembly, and a locking assembly. The connector 4 has a first ball portion 41 and a connecting portion 42 connected to the first ball portion 41, the first ball portion 41 is installed in the first ball groove 211, and the first ball portion 41 is connected to the first ball groove 211 in a ball hinge manner.
The first ball part 41 of the connector 4 is circumferentially provided with a limiting component, and the limiting component can be clamped on one of the limiting grooves 212. The connector 4 is provided with a plurality of blind grooves 411 along the circumference of first bulb 41, specifically, the quantity of blind groove 411 is four, and four blind grooves 411 evenly arrange along the circumference of first bulb 41, the equal perpendicular to connecting portion 42's of extending direction of four blind grooves 411 axial of connector 4, and the quantity of spacing subassembly is four groups, is provided with a set of spacing subassembly in each blind groove 411.
The limiting assembly comprises a second spring 51 and a limiting block 52, wherein the limiting block 52 is arranged in a spherical shape, and the limiting block 52 is arranged in a matching manner with the limiting groove 212. The limiting block 52 is installed in the blind groove 411, the limiting block 52 can slide along the extending direction of the blind groove 411, two ends of the second spring 51 are respectively abutted to the limiting block 52 and the bottom of the blind groove 411, and the limiting block 52 can be clamped on one of the limiting grooves 212 under the action of the second spring 51.
Through set up second spring 51 between blind groove 411 and stopper 52 for when connector 4 was adjusting, stopper 52 can retract in blind groove 411, and then makes connector 4 have good regulating power, and when connector 4 accomplished the regulation, stopper 52 can be in spacing groove 212 under the effect of second spring 51, and then makes connector 4 have good auto-lock ability. Make connector 4 make the angle of adjustment of connector 4 skew because the effort of speed change line 7 itself after adjusting to can avoid in the in-process of riding, the skew takes place for the connector 4 angle that leads to because the road surface jolts, guarantees the variable speed quality of bicycle.
The locking component is provided with a second ball groove 623, and the locking component is sleeved on the connecting portion 42 of the connector 4, and the second ball groove 623 of the locking component is connected with a second ball portion 23 formed by the outer contour of the wiring port 21 in a ball hinge manner. Specifically, the locking assembly includes a support stud 61, a lock sleeve 62, a first spring 63, and a lock nut 64.
The middle part of the supporting stud 61 is provided with a through hole, an internal thread is arranged in the through hole, an external thread is arranged on the connecting part 42 of the connector 4, and the supporting stud 61 is sleeved on the connecting part 42 of the connector 4 and is in threaded connection with the connecting part 42 of the connector 4. In addition, the support stud 61 is further provided with a stepped surface 611, so that the support stud 61 is provided as a stepped shaft, and the shaft portion of the support stud 61 with a larger diameter is further provided with a plurality of strip-shaped protrusions 612 extending along the axial direction of the connecting portion 42 of the connecting head 4 in the circumferential direction, and the plurality of strip-shaped protrusions 612 are provided with external threads, specifically, the number of the strip-shaped protrusions 612 is four, and the four strip-shaped protrusions 612 are uniformly arranged along the circumferential direction of the support stud 61.
The lock sleeve 62 is sleeved on the support stud 61, the second ball groove 623 is arranged on the lock sleeve 62, a through hole communicated with the second ball groove 623 is arranged in the middle of the lock sleeve 62, an annular protrusion 621 is arranged at the bottom of the second ball groove 623, and the annular protrusion 621 is located at the connecting position of the second ball groove 623 and the through hole of the lock sleeve 62. Furthermore, a plurality of grooves 622 are provided on the peripheral wall of the through hole, specifically, the number of the grooves 622 is four, four grooves 622 are uniformly arranged along the peripheral wall of the through hole, and one strip-shaped protrusion 612 on the support stud 61 is positioned in one groove 622 when the lock sleeve 62 is installed.
When the lock sleeve 62 and the support stud 61 are assembled, the first spring 63 is installed between the lock sleeve 62 and the support stud 61, and both ends of the first spring 63 are brought into contact with the annular projection 621 of the lock sleeve 62 and the stepped surface 611 of the support stud 61, respectively.
The middle part of the locking nut 64 is provided with a through hole, an internal thread is arranged in the through hole, the locking nut 64 is sleeved on the shaft part with larger diameter of the supporting stud 61 and is in threaded connection with the strip-shaped bulge 612 on the shaft part, and the locking nut 64 is pressed on the lock sleeve 62.
Set up lock nut 64 and make lock nut 64 pressfitting on lock sleeve 62, play locking and fixed effect to lock sleeve 62 to through adjusting lock nut 64, can improve the pretightning force between lock sleeve 62 and the wiring mouth 21, improve the steadiness of being connected between lock sleeve 62 and the wiring mouth 21. And set up first spring 63 between lock 62 and support stud 61, can make lock 62 have certain elasticity accommodation space, when carrying out the fine setting to connector 4, can finely tune connector 4 through directly pulling lock 62, need adjust lock nut 64 repeatedly when avoiding the fine setting, simplify the fine setting step of connector 4. In addition, the strip-shaped protrusion 612 is arranged on the support stud 61, the thread is arranged on the strip-shaped protrusion 612, and the groove 622 matched with the strip-shaped protrusion 612 is arranged in the lock sleeve 62, so that when the lock sleeve 62 moves relative to the support stud 61, the groove 622 and the strip-shaped protrusion 612 play a role in guiding and limiting the lock sleeve 62, the lock sleeve 62 can be prevented from shaking on the support stud 61, and the working stability of the speed change line adjusting unit is improved. Moreover, the locking element can prevent the connector 4 from shifting under the action of external force, so as to avoid severe friction between the speed change line 7 and the connector 4.
As shown in fig. 7 and 8, when the shift cable 7 is connected, the shift cable 7 passes through the connection head 4 and the connection port 21 of the housing 2, so that the first end of the shift cable 7 is fixedly connected with the cable tension element 22 in the housing 2, and the second end of the shift cable 7 is connected with the front derailleur or the rear derailleur of the bicycle, and then the position of the connection head 4 of the derailleur 1 of the bicycle is adjusted according to the relative positions of the handlebar and the frame of the bicycle, so that the shift cable 7 can have a relatively gentle bending angle, the shift cable 7 is prevented from being bent seriously, the difficulty of adjusting the shift cable 7 is increased, the shifting quality of the bicycle is prevented from being affected, and the shift cable 7 is damaged. In addition, the condition that the speed change line 7 is broken when in use can be avoided because the speed change line 7 is severely abraded due to severe friction between the speed change line 7 and the connecting head 4.
When the angle of the connector 4 needs to be adjusted, the pressing of the lock nut 64 on the lock sleeve 62 is released, the lock sleeve 62 is pulled, the second spherical groove 623 of the lock sleeve 62 is in spherical hinge connection with the second spherical part 23 of the connector 21 of the housing 2, and the first spring 63 is compressed to store energy. Then, the connector 4 is pulled, so that the limiting block 52 of the limiting assembly is separated from the set of limiting grooves 212 and shrinks into the blind groove 411, meanwhile, the limiting block 52 stores energy by compressing the second spring 51, the connector 4 is continuously pulled to adjust the angle of the connector 4, and after the angle of the connector 4 is adjusted, the limiting block 52 bounces out of the other set of limiting grooves 212 under the reaction force of the second spring 51 to be fixed. Then, the lock sleeve 62 is released, the lock sleeve 62 is reset by the reaction force of the first spring 63, and the second spherical groove 623 of the lock sleeve 62 and the second spherical portion 23 of the lug 21 of the housing 2 are ball-hinged to each other, and then the lock nut 64 is tightened, so that the lock nut 64 is press-fitted onto the lock sleeve 62, the lock sleeve 62 is fixed, and the locking of the speed change wire adjusting unit 3 is completed.
It is from top to bottom visible, the connector of variable speed line regulating unit carries out the ball pivot through the first ball groove of the wiring mouth on first bulb and the casing and is connected for form a universal joint structure between connector and the wiring mouth, during the use, come to adjust the crooked radian of variable speed line through adjusting the relative position between connector and the wiring mouth, make the variable speed line can not appear the condition of seriously buckling when stretching out from pointing to dial the derailleur, influence the variable speed quality. In addition, can also avoid producing violent friction between variable speed line and the connector through adjusting the relative position of connector and wiring mouth for the regulation of variable speed line is more convenient, and, can reduce the frictional force of variable speed line and connector when using, avoids the variable speed line serious wear to appear, improves the life and the variable speed quality of variable speed line.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, rather than limitations, and that many variations and modifications of the invention are possible to those skilled in the art, without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a bicycle indicates to dial derailleur, includes casing and speed change line regulating unit, the casing has a wiring mouth, be provided with first ball groove in the wiring mouth, speed change line regulating unit includes the connector, the connector have first ball portion and with the connecting portion that first ball portion is connected, first ball portion is installed in the first ball groove, just first ball portion with first ball groove ball hinge connects its characterized in that:
the outer contour of the wire connecting port is arranged in a spherical mode and forms a second ball part;
the variable speed line regulating unit still includes locking Assembly, locking Assembly is provided with the second ball groove, locking Assembly suit is in on the connecting portion, just the second ball groove with second ball spherical hinge connects, locking Assembly includes supporting double-screw bolt, lock sleeve, first spring and lock nut, the supporting double-screw bolt suit is in on the connecting portion, just be provided with the ladder face on the supporting double-screw bolt, the lock sleeve suit is in on the supporting double-screw bolt, just the lock sleeve is provided with the second ball groove, the bottom of second ball groove is provided with annular bulge, the both ends of first spring respectively with the ladder face with annular bulge butt, lock nut with supporting double-screw bolt threaded connection, just the lock nut pressfitting is in on the lock sleeve.
2. The bicycle derailleur according to claim 1, wherein:
a plurality of groups of limiting grooves are formed in the first ball groove along the axial direction of the wiring port;
the first ball part is circumferentially provided with a limiting assembly, and the limiting assembly can be clamped on one of the limiting grooves.
3. The bicycle derailleur according to claim 2, wherein:
the circumference of first ball portion is last to be provided with blind groove, spacing subassembly includes second spring and stopper, the stopper is followed blind groove's extending direction slidable install blind inslot, just but the stopper block is in the multiunit on a set of in the spacing groove, the both ends of second spring respectively with the stopper with blind groove's bottom butt.
4. The bicycle derailleur according to claim 3, wherein:
the extending direction of the blind groove is perpendicular to the axial direction of the connecting part.
5. The bicycle derailleur according to claim 4, wherein:
the number of the groups of the limiting grooves is three, and each group of the limiting grooves is annularly arranged in the first ball groove.
6. The bicycle derailleur according to claim 5, wherein:
the limiting blocks are arranged in a spherical shape;
the cross sections of the plurality of groups of limiting grooves are all arranged in an arched shape.
7. The bicycle derailleur according to any one of claims 1 to 6, wherein:
a plurality of strip-shaped bulges which extend along the axial direction of the connecting part are arranged on the circumferential direction of the supporting stud bolt, and threads are arranged on the strip-shaped bulges;
the lock sleeve is provided with a plurality of grooves, and one strip-shaped protrusion is positioned in one groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710157084.3A CN107042868B (en) | 2017-03-16 | 2017-03-16 | Bicycle speed variator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710157084.3A CN107042868B (en) | 2017-03-16 | 2017-03-16 | Bicycle speed variator |
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| Publication Number | Publication Date |
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| CN107042868A CN107042868A (en) | 2017-08-15 |
| CN107042868B true CN107042868B (en) | 2022-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710157084.3A Active CN107042868B (en) | 2017-03-16 | 2017-03-16 | Bicycle speed variator |
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| CN (1) | CN107042868B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1453180A (en) * | 2002-04-26 | 2003-11-05 | 坎培诺洛有限公司 | Actuator for bicycle speed-changing device |
| CN1872616A (en) * | 2005-06-01 | 2006-12-06 | 株式会社岛野 | Bicycle control device |
| CN101839275A (en) * | 2009-03-20 | 2010-09-22 | 和硕联合科技股份有限公司 | Pivoting device |
| CN203176153U (en) * | 2013-03-21 | 2013-09-04 | 韩加阳 | Self-locking universal joint |
| CN204003938U (en) * | 2014-05-22 | 2014-12-10 | 台州奥星纳机械有限公司 | There is the automobile of controlling pivot angle direction with hanging ball pivot assembly |
| CN205524787U (en) * | 2016-03-25 | 2016-08-31 | 宁波奇龙车业有限公司 | Bicycle speed changer's cap of being qualified for next round of competitions |
| CN106438671A (en) * | 2016-10-14 | 2017-02-22 | 上海以琳石油机械制造有限公司 | Rapid connection flexible joint |
| CN206664854U (en) * | 2017-03-16 | 2017-11-24 | 珠海蓝图控制器科技有限公司 | A kind of bicycle, which refers to, dials speed changer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8308392B2 (en) * | 2010-06-09 | 2012-11-13 | David Chen Yu | Ball joint |
-
2017
- 2017-03-16 CN CN201710157084.3A patent/CN107042868B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1453180A (en) * | 2002-04-26 | 2003-11-05 | 坎培诺洛有限公司 | Actuator for bicycle speed-changing device |
| CN1872616A (en) * | 2005-06-01 | 2006-12-06 | 株式会社岛野 | Bicycle control device |
| CN101839275A (en) * | 2009-03-20 | 2010-09-22 | 和硕联合科技股份有限公司 | Pivoting device |
| CN203176153U (en) * | 2013-03-21 | 2013-09-04 | 韩加阳 | Self-locking universal joint |
| CN204003938U (en) * | 2014-05-22 | 2014-12-10 | 台州奥星纳机械有限公司 | There is the automobile of controlling pivot angle direction with hanging ball pivot assembly |
| CN205524787U (en) * | 2016-03-25 | 2016-08-31 | 宁波奇龙车业有限公司 | Bicycle speed changer's cap of being qualified for next round of competitions |
| CN106438671A (en) * | 2016-10-14 | 2017-02-22 | 上海以琳石油机械制造有限公司 | Rapid connection flexible joint |
| CN206664854U (en) * | 2017-03-16 | 2017-11-24 | 珠海蓝图控制器科技有限公司 | A kind of bicycle, which refers to, dials speed changer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107042868A (en) | 2017-08-15 |
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Address after: 519000 building B-2, No. 8, Honghui fifth road, Shuanglin District, LIANGANG Industrial Zone, Jinwan District, Zhuhai City, Guangdong Province Patentee after: Zhuhai Blueprint Sports Technology Co.,Ltd. Address before: 519090 room 312-43, third floor, aviation new town planning exhibition hall, Jinwan District, Zhuhai City, Guangdong Province Patentee before: ZHUHAI LTWOO CONTROLLER TECHNOLOGY CO.,LTD. |