CN105643211A - Manufacturing method of bicycle handlebar - Google Patents
Manufacturing method of bicycle handlebar Download PDFInfo
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- CN105643211A CN105643211A CN201610103172.0A CN201610103172A CN105643211A CN 105643211 A CN105643211 A CN 105643211A CN 201610103172 A CN201610103172 A CN 201610103172A CN 105643211 A CN105643211 A CN 105643211A
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- handle
- debugging
- pipe
- bar
- tube
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/12—Hand levers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
The invention relates to a manufacturing method of a bicycle handlebar. The bicycle handlebar comprises a grip and a stem formed by a middle pipe, a lower pipe, a connecting fixing tooth, an adjusting rod and an adjusting handle. The method comprises the following steps of manufacturing the grip, wherein material selecting, pipe contracting, T4 treatment, pipe contracting, T4 treatment, same wall-thickness pipe drawing, trimming, bending, T6 treatment and surface treatment are carried out; manufacturing the stem, wherein material selecting, die-casting molding, tapping and surface treatment are carried out; assembling the stem, wherein the adjusting handle, the adjusting rod, the middle pipe, the lower pipe and accessories are installed; installing and adjusting the grip, wherein the grip is installed, the angle of the grip is adjusted, and the fixing tightness degree is adjusted. By the adoption of the manufacturing method, the grip pipe drawing step enables the wall thickness to be precise, the weight of the grip is controllable, and the handlebar is light. Moreover, as quick disassembly structures are adopted in the grip and the stem, appearance is attractive, exquisite and concise, and production cost is low. In addition, as the bicycle handlebar can be adjusted, a rider can adjust the comfortable angle at will in the riding process, and the bicycle handlebar is more user-friendly.
Description
Technical field
The present invention relates to the manufacture method of a kind of bicycle handle bar.
Background technology
Bicycle is the main traffic instrument that people go on a journey, development along with society, bicycle is increasingly subject to the favor of people as the vehicles of environmental protection, particularly some countries in Europe, the overwhelming majority is using bicycle as the vehicles per capita, and along with improving constantly of people's quality of the life, the requirement of bicycle is also being improved constantly by people, one important criterion of the outward appearance bicycle quality of bicycle, the bicycle outward appearance of a high-quality should be attractive in appearance, exquisite and beautiful.
The handle of standard bicycle with vertical connected mode is had two kinds, a kind of be the middle part welding of handle vertical, handle and the overall appearance welding bead of vertical junction being had a strong impact on bicycle, welding bead becomes unavoidable flaw on some high-grade bicycles. The middle part that another kind is handle is connected the locking device of vertical upper end by being arranged on vertical, and locking device is generally the gland being furnished with bolt assembly, and this structure is complicated, handle and poor for the cleanliness of vertical junction, profile is attractive in appearance not, exquisite and succinct.
Summary of the invention
In order to overcome, prior art exists above-mentioned deficiency, the present invention provides the manufacture method of a kind of bicycle handle bar, by this manufacture method, make the good looking appearance of the bicycle handle bar of molding, exquisiteness and succinct, production cost is low, and bicycle handle bar can debug, make bicyclist make can arbitrarily debug comfortable angle riding, make the more humane setting of product.
This invention address that the technical scheme of its technical problem is: the manufacture method of a kind of bicycle handle bar, this bicycle handle bar include handle and by middle pipe, lower pipe, connect the handle that fixing tooth, debugging bar and debugging handle constitute and stand, include following steps:
1) handle is made:
A, aluminium alloy materials in the tube are as base material customized cut-off;
B, by machine for shrinking the two ends of aluminium alloy materials in the tube are carried out the first time draw process;
C, by aging furnace first time, aluminium alloy materials in the tube are carried out T4 heat aging process;
D, by machine for shrinking the two ends of aluminium alloy materials in the tube are carried out the second time draw process;
E, by aging furnace second time to aluminium alloy management carry out T4 heat aging process;
F, the wall thickness such as by inside and outside tube drawing machine, the two ends of aluminium alloy materials in the tube are carried out take out pipe and process;
G, by trimmer, the two ends of aluminium alloy materials in the tube are pruned, so that the length of aluminium alloy materials in the tube reaches requirement;
H, by bending machine, aluminium alloy materials in the tube are carried out bend pipe process, thus preparing handle finished product;
I, by aging furnace third time, handle finished product carried out T6 heat aging process;
J, handle finished product is carried out surface treatment;
2) make vertical:
A, select Cast aluminium alloy ingot as pipe in base material difference die cast, lower pipe, connect fixing tooth, debugging bar and debugging hands handle, wherein, two of middle pipe is formed with middle pore, the sidewall of middle pore is formed the contraction mouth connected with middle pore and is arranged in the pipe outside contraction mouth and is connected seat, middle pipe connection seat is formed with connection bore, the front fork fixing hole of downwardly facing opening it is formed with in the bottom of lower pipe, the sidewall of front fork fixing hole is formed with axially open, the top of lower pipe is formed two symmetrically arranged lower pipe hinged seats, lower pipe hinged seat has fixing hole, connect and the periphery of fixing tooth is formed with detent projection, two of debugging bar is formed with debugging rod aperture, the head of debugging handle is formed with two handle hinged seats, handle hinged seat is formed with hinge hole, the side at the middle part of debugging handle is formed with snap close seat,
B, be positioned on lower pipe by tooth machining unit axially open both sides tapping locking screw pit, connect two end face tappings of fixing tooth be relatively fixed with fixing hole screwed hole and debugging bar afterbody tapping with debug the debugging screwed hole that rod aperture is connected;
C, respectively centering pipe, lower pipe, the fixing tooth of connection, debugging bar and debugging handle carry out surface treatment;
3) assemble vertical:
A, debugging handle and debugging bar are arranged on middle pipe: first make eccentric rod insert the debugging rod aperture of the head debugging bar, the connection bore of the head of middle pipe and debugging handle head hinge hole in thus will debugging bar head, the head of debugging handle and the head of middle pipe connect, and eccentric rod fixes with the hinge hole of the head of middle pipe and can rotate relative to the connection bore of the debugging rod aperture of the head debugging bar and the head of middle pipe, then bearing pin is made to insert in the connection bore of the debugging rod aperture of the afterbody debugging bar and the afterbody of middle pipe thus being connected together with the afterbody of middle pipe by the afterbody of debugging bar, and bearing pin fixes with the connection bore of the afterbody of middle pipe and can rotate relative to the debugging rod aperture of the afterbody debugging bar, then screw is screwed in the debugging screwed hole of afterbody of debugging bar, bearing pin can and be fixed by the inner end of screw,
B, middle pipe is installed on lower pipe: first will connect during fixing tooth inserts in the middle pore of the afterbody of pipe, then by the afterbody of middle pipe and connect fixing tooth be loaded between two lower pipe hinged seats of lower pipe and by screw through be screwed in after the fixing hole of lower pipe hinged seat realize in the fixing screwed hole connecting fixing tooth fixing;
C, in the outside of junction of the head of head and the middle pipe of debugging handle is loaded onto tube dustproof lid, at the exterior upper and lower tube dustproof lid in the both sides of the lower pipe hinged seat of lower pipe, locking screw pit at lower pipe is built-in tightens up a screw, and loads onto Quick Release snap close on the snap close seat of debugging handle;
4) handle is installed and debugging:
A, by handle insert in pipe head middle pore in, then close debugging handle, debugging handle drives eccentric rod to rotate, eccentric rod rotates and then drives debugging bar to move, two of debugging bar pulls the middle pipe hinged seat at middle pipe two near middle pipe so that the middle pore on two of middle pipe reduces thus locking the fixing tooth of connection and handle, handle can not move relative to middle pipe, and middle pipe can not rotate relative to lower pipe, it is achieved the installation of handle;
B, regulate handle angle, press Quick Release snap close, open debugging handle, then make middle pipe relative to connect fixing tooth rotates can control handle angle, then close debugging handle make Quick Release snap close be locked in debug on bar;
C, the fixing degree of tightness of adjustment, press Quick Release snap close, open debugging handle, then the screw turned on debugging bar afterbody makes screw not be against on bearing pin, then debugging handle is pulled, debugging handle drives eccentric rod to rotate, eccentric rod rotates and then drives debugging bar to move, the relative bearing pin of afterbody of debugging bar turns to correct position, then tightening screw makes the inner end of screw push against bearing pin, so that the afterbody of debugging bar is fixed with bearing pin, then pull the size of pore during debugging handle can control thus regulating handle and the fixing degree of tightness connecting fixing tooth.
Further, making in the step a of handle in step 1), aluminium alloy materials in the tube select AL6061 materials in the tube, and the external diameter of aluminium alloy materials in the tube is �� 31.8 �� 0.5mm, and the wall thickness of aluminium alloy materials in the tube is 2.0-2.4mm.
Further, making in the step b of handle in step 1), the external diameter at the two ends of aluminium alloy materials in the tube is �� 28.6 �� 0.3mm.
Further, making in the step d of handle in step 1), the external diameter at the two ends of aluminium alloy materials in the tube is �� 22.2 �� 0.2mm.
Further, making in the step f of handle in step 1), the external diameter at the two ends of aluminium alloy materials in the tube is �� 22.2 �� 0.2mm, the wall thickness 1.2-1.5mm at the two ends of aluminium alloy materials in the tube.
Further, in step 2) make in vertical step a, Cast aluminium alloy ingot selects the alloy ingot of ALA356.2.
Further, make in the step j of handle in step 1), the surface treatment of handle finished product: first pass through the lapping and buffing machine surface to handle finished product and carry out polishing pretreatment, then carries out bag carbon fiber process or oxidation processes again to the surface of handle finished product or Coloured Anodizing processes or spray treatment.
Further, in step 2) make in vertical step c, middle pipe, lower pipe, connect the surface treatment of fixing tooth, debugging bar and debugging handle: first pass through lapping and buffing machine centering pipe respectively, lower pipe, the surface that connects fixing tooth, debugging bar and debugging handle carry out polishing pretreatment, then centering pipe, lower pipe, the surface that connects fixing tooth, debugging bar and debugging handle carry out blasting treatment respectively again, and finally centering pipe, lower pipe, the surface that connects fixing tooth, debugging bar and debugging handle carry out black anodizing process or spray treatment respectively.
The beneficial effects of the present invention is: adopt above-mentioned manufacture method, handle takes out pipe can reach certain accurate wall thickness, by the Weight control of handle within the scope of the grams adapted, product lightweight can be made, and handle and handle stands and adopt Quick-dismantling structure, handle and handle do not have welding bead between standing, good looking appearance, exquisiteness and succinct, production cost is low, and additionally bicycle handle bar can debug, make bicyclist make can arbitrarily debug comfortable angle riding, make the more humane setting of product.
Accompanying drawing explanation
Fig. 1 is the structure chart of the handle of the present invention.
Fig. 2 be the present invention vertical structure chart.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
With reference to Fig. 1, Fig. 2, the manufacture method of a kind of bicycle handle bar, this bicycle handle bar include handle 1 and by middle pipe 2, lower pipe 3, connect the handle that fixing tooth 4, debugging bar 5 and debugging handle 6 constitute and stand, include following steps:
1) handle 1 is made:
A, aluminium alloy materials in the tube are as base material customized cut-off, and wherein, aluminium alloy materials in the tube select AL6061 materials in the tube, and the external diameter of aluminium alloy materials in the tube is �� 31.8 �� 0.5mm, and the wall thickness of aluminium alloy materials in the tube is 2.0-2.4mm;
B, the two ends of aluminium alloy materials in the tube are undertaken by machine for shrinking the first time draw processing, now, the external diameter at the two ends of aluminium alloy materials in the tube is �� 28.6 �� 0.3mm;
C, by aging furnace first time, aluminium alloy materials in the tube are carried out T4 heat aging process, so that aluminium alloy materials in the tube deliquescing, there is good toughness, it is simple to the follow-up draw processes;
D, the two ends of aluminium alloy materials in the tube are undertaken by machine for shrinking the second time draw processing, now, the external diameter of aluminium alloy materials in the tube is �� 22.2 �� 0.2mm;
E, by aging furnace second time, aluminium alloy management is carried out T4 heat aging process, so that aluminium alloy materials in the tube deliquescing, there is good toughness, it is simple to follow-up pipe of taking out processes;
F, the two ends of aluminium alloy materials in the tube the wall thickness such as undertaken by inside and outside tube drawing machine taking out pipe and process, now, the external diameter of aluminium alloy materials in the tube is �� 22.2 �� 0.2mm, the wall thickness 1.2-1.5mm of aluminium alloy materials in the tube;
G, by trimmer, the two ends of aluminium alloy materials in the tube are pruned, so that the length of aluminium alloy materials in the tube reaches requirement;
H, by bending machine, aluminium alloy materials in the tube are carried out bend pipe process, thus preparing handle 1 finished product;
I, by aging furnace third time handle finished product is carried out T6 heat aging process so that the hardness of aluminium alloy materials in the tube reaches requirement, will not rupture;
J, handle finished product is carried out surface treatment: first pass through the lapping and buffing machine surface to handle finished product and carry out polishing pretreatment, remove the epidermis outside handle finished product, it is easy to follow-up application process, then the surface of handle finished product carrying out bag carbon fiber process or oxidation processes again or Coloured Anodizing processes or spray treatment, profile is more attractive in appearance;
2) make vertical:
A, select Cast aluminium alloy ingot as pipe 2 in base material difference die cast, lower pipe 3, connect fixing tooth 4, debugging bar 5 and debugging handle 6, Cast aluminium alloy ingot selects the alloy ingot of ALA356.2, wherein, two of middle pipe 2 is formed with middle pore 7, the sidewall of middle pore is formed the contraction mouth 8 connected with middle pore and is arranged in the pipe outside contraction mouth and is connected seat 9, middle pipe connection seat is formed with connection bore, the front fork fixing hole 10 of downwardly facing opening it is formed with in the bottom of lower pipe 3, front fork fixing hole is connected for the front fork of bicycle, the sidewall of front fork fixing hole is formed with axially open, the top of lower pipe 3 is formed two symmetrically arranged lower pipe hinged seats 11, lower pipe hinged seat has fixing hole, connect and the periphery of fixing tooth 4 is formed with detent projection, two of debugging bar 5 is formed with debugging rod aperture, the head of debugging handle 6 is formed with two handle hinged seats, handle hinged seat is formed with hinge hole, the side at the middle part of debugging handle 6 is formed with snap close seat 12,
B, be positioned on lower pipe 3 by tooth machining unit axially open both sides tapping locking screw pit, connect two end face tappings of fixing tooth 4 be relatively fixed with fixing hole screwed hole and debugging bar 5 afterbody tapping with debug the debugging screwed hole that rod aperture is connected;
C, centering pipe 2 respectively, lower pipe 3, connect fixing tooth 4, debugging bar 5 and debugging handle 6 carry out surface treatment: first pass through lapping and buffing machine centering pipe respectively, lower pipe, connect fixing tooth, the surface of debugging bar and debugging handle carries out polishing pretreatment, remove middle pipe, lower pipe, connect fixing tooth, epidermis outside debugging bar and debugging handle, it is easy to follow-up application process, then centering pipe is distinguished again, lower pipe, connect fixing tooth, the surface of debugging bar and debugging handle carries out blasting treatment, finally distinguish centering pipe, lower pipe, connect fixing tooth, the surface of debugging bar and debugging handle carries out black anodizing process or spray treatment, profile is more attractive in appearance,
3) assemble vertical:
A, debugging handle 6 and debugging bar 5 are arranged on middle pipe 2: first make eccentric rod 13 insert the debugging rod aperture of the head debugging bar 5, the connection bore of the head of middle pipe 2 and debugging handle 6 head hinge hole in thus will debugging bar head, the head of debugging handle and the head of middle pipe connect, and eccentric rod fixes with the hinge hole of the head of middle pipe and can rotate relative to the connection bore of the debugging rod aperture of the head debugging bar and the head of middle pipe, then bearing pin 14 is made to insert in the connection bore of the debugging rod aperture of the afterbody debugging bar 5 and the afterbody of middle pipe 2 thus being connected together with the afterbody of middle pipe by the afterbody of debugging bar, and bearing pin fixes with the connection bore of the afterbody of middle pipe and can rotate relative to the debugging rod aperture of the afterbody debugging bar, then screw 15 is screwed in the debugging screwed hole of afterbody of debugging bar, bearing pin 14 can and be fixed by the inner end of screw,
B, middle pipe 2 is installed on lower pipe 3: first will connect during fixing tooth 4 inserts in the middle pore of the afterbody of pipe 2, then by the afterbody of middle pipe and connect fixing tooth be loaded between two lower pipe hinged seats 11 of lower pipe 3 and by screw 16 through be screwed in after the fixing hole of lower pipe hinged seat realize in the fixing screwed hole connecting fixing tooth 4 fixing;
C, in the outside of junction of the head of head and the middle pipe 2 of debugging handle 6 is loaded onto tube dustproof lid, at the exterior upper and lower tube dustproof lid in the both sides of the lower pipe hinged seat of lower pipe 3, locking screw pit at lower pipe 3 is built-in tightens up a screw 17, loads onto Quick Release snap close 18 on the snap close seat 12 of debugging handle;
4) handle 1 is installed and is debugged:
A, handle 1 is inserted in pipe 2 head middle pore 7 in, then close debugging handle 6, debugging handle drives eccentric rod 13 to rotate, eccentric rod rotates and then drives debugging bar 5 to move, two of debugging bar pulls the middle pipe hinged seat 9 at middle pipe 2 two near middle pipe so that the middle pore 7 on two of middle pipe reduces thus locking the fixing tooth 4 of connection and handle 1, handle can not move relative to middle pipe, and middle pipe can not rotate relative to lower pipe, it is achieved the installation of handle;
B, adjustment handle 1 angle, press Quick Release snap close 18, opens debugging handle 6, then makes middle pipe 2 rotate relative to the fixing tooth 4 of connection and gets final product control handle angle, then closes and debug handle and make Quick Release snap close be locked on debugging bar;
C, regulate fixing degree of tightness, press Quick Release snap close 18, open debugging handle 6, then the screw 15 turned on debugging bar afterbody makes screw not be against on bearing pin 14, then debugging hands handle is pulled, debugging handle drives eccentric rod 13 to rotate, eccentric rod rotates and then drives debugging bar to move, the relative bearing pin 14 of afterbody of debugging bar turns to correct position, then tightening screw 15 makes the inner end of screw push against bearing pin, so that the afterbody of debugging bar is fixed with bearing pin, then the size of pore during debugging handle can control is pulled thus regulating handle and the fixing degree of tightness connecting fixing tooth.
Adopt above-mentioned manufacture method, handle takes out pipe can reach certain accurate wall thickness, by the Weight control of handle within the scope of the grams adapted, product lightweight can be made, and handle and handle stands and adopt Quick-dismantling structure, handle and handle do not have welding bead between standing, good looking appearance, exquisiteness and succinct, production cost is low, and additionally bicycle handle bar can debug, make bicyclist make can arbitrarily debug comfortable angle riding, make the more humane setting of product.
Claims (8)
1. a manufacture method for bicycle handle bar, this bicycle handle bar include handle and by middle pipe, lower pipe, connect the handle that fixing tooth, debugging bar and debugging handle constitute and stand, it is characterised in that: include following steps:
1) handle is made:
A, aluminium alloy materials in the tube are as base material customized cut-off;
B, by machine for shrinking the two ends of aluminium alloy materials in the tube are carried out the first time draw process;
C, by aging furnace first time, aluminium alloy materials in the tube are carried out T4 heat aging process;
D, by machine for shrinking the two ends of aluminium alloy materials in the tube are carried out the second time draw process;
E, by aging furnace second time to aluminium alloy management carry out T4 heat aging process;
F, the wall thickness such as by inside and outside tube drawing machine, the two ends of aluminium alloy materials in the tube are carried out take out pipe and process;
G, by trimmer, the two ends of aluminium alloy materials in the tube are pruned, so that the length of aluminium alloy materials in the tube reaches requirement;
H, by bending machine, aluminium alloy materials in the tube are carried out bend pipe process, thus preparing handle finished product;
I, by aging furnace third time, handle finished product carried out T6 heat aging process;
J, handle finished product is carried out surface treatment;
2) make vertical:
A, select Cast aluminium alloy ingot as pipe in base material difference die cast, lower pipe, connect fixing tooth, debugging bar and debugging hands handle, wherein, two of middle pipe is formed with middle pore, the sidewall of middle pore is formed the contraction mouth connected with middle pore and is arranged in the pipe outside contraction mouth and is connected seat, middle pipe connection seat is formed with connection bore, the front fork fixing hole of downwardly facing opening it is formed with in the bottom of lower pipe, the sidewall of front fork fixing hole is formed with axially open, the top of lower pipe is formed two symmetrically arranged lower pipe hinged seats, lower pipe hinged seat has fixing hole, connect and the periphery of fixing tooth is formed with detent projection, two of debugging bar is formed with debugging rod aperture, the head of debugging handle is formed with two handle hinged seats, handle hinged seat is formed with hinge hole, the side at the middle part of debugging handle is formed with snap close seat,
B, be positioned on lower pipe by tooth machining unit axially open both sides tapping locking screw pit, connect two end face tappings of fixing tooth be relatively fixed with fixing hole screwed hole and debugging bar afterbody tapping with debug the debugging screwed hole that rod aperture is connected;
C, respectively centering pipe, lower pipe, the fixing tooth of connection, debugging bar and debugging handle carry out surface treatment;
3) assemble vertical:
A, debugging handle and debugging bar are arranged on middle pipe: first make eccentric rod insert the debugging rod aperture of the head debugging bar, the connection bore of the head of middle pipe and debugging handle head hinge hole in thus will debugging bar head, the head of debugging handle and the head of middle pipe connect, and eccentric rod fixes with the hinge hole of the head of middle pipe and can rotate relative to the connection bore of the debugging rod aperture of the head debugging bar and the head of middle pipe, then bearing pin is made to insert in the connection bore of the debugging rod aperture of the afterbody debugging bar and the afterbody of middle pipe thus being connected together with the afterbody of middle pipe by the afterbody of debugging bar, and bearing pin fixes with the connection bore of the afterbody of middle pipe and can rotate relative to the debugging rod aperture of the afterbody debugging bar, then screw is screwed in the debugging screwed hole of afterbody of debugging bar, bearing pin can and be fixed by the inner end of screw,
B, middle pipe is installed on lower pipe: first will connect during fixing tooth inserts in the middle pore of the afterbody of pipe, then by the afterbody of middle pipe and connect fixing tooth be loaded between two lower pipe hinged seats of lower pipe and by screw through be screwed in after the fixing hole of lower pipe hinged seat realize in the fixing screwed hole connecting fixing tooth fixing;
C, in the outside of junction of the head of head and the middle pipe of debugging handle is loaded onto tube dustproof lid, at the exterior upper and lower tube dustproof lid in the both sides of the lower pipe hinged seat of lower pipe, locking screw pit at lower pipe is built-in tightens up a screw, and loads onto Quick Release snap close on the snap close seat of debugging handle;
4) handle is installed and debugging:
A, by handle insert in pipe head middle pore in, then close debugging handle, debugging handle drives eccentric rod to rotate, eccentric rod rotates and then drives debugging bar to move, two of debugging bar pulls the middle pipe hinged seat at middle pipe two near middle pipe so that the middle pore on two of middle pipe reduces thus locking the fixing tooth of connection and handle, handle can not move relative to middle pipe, and middle pipe can not rotate relative to lower pipe, it is achieved the installation of handle;
B, regulate handle angle, press Quick Release snap close, open debugging handle, then make middle pipe relative to connect fixing tooth rotates can control handle angle, then close debugging handle make Quick Release snap close be locked in debug on bar;
C, the fixing degree of tightness of adjustment, press Quick Release snap close, open debugging handle, then the screw turned on debugging bar afterbody makes screw not be against on bearing pin, then debugging handle is pulled, debugging handle drives eccentric rod to rotate, eccentric rod rotates and then drives debugging bar to move, the relative bearing pin of afterbody of debugging bar turns to correct position, then tightening screw makes the inner end of screw push against bearing pin, so that the afterbody of debugging bar is fixed with bearing pin, then pull the size of pore during debugging handle can control thus regulating handle and the fixing degree of tightness connecting fixing tooth.
2. the manufacture method of bicycle handle bar according to claim 1, it is characterized in that: make in the step a of handle in step 1), aluminium alloy materials in the tube select AL6061 materials in the tube, and the external diameter of aluminium alloy materials in the tube is �� 31.8 �� 0.5mm, and the wall thickness of aluminium alloy materials in the tube is 2.0-2.4mm.
3. the manufacture method of bicycle handle bar according to claim 1, it is characterised in that: make in the step b of handle in step 1), aluminium alloy materials in the tube the external diameter at two ends be �� 28.6 �� 0.3mm.
4. the manufacture method of bicycle handle bar according to claim 1, it is characterised in that: making in the step d of handle in step 1), the external diameter at the two ends of aluminium alloy materials in the tube is �� 22.2 �� 0.2mm.
5. the manufacture method of bicycle handle bar according to claim 1, it is characterised in that: making in the step f of handle in step 1), the external diameter at the two ends of aluminium alloy materials in the tube is �� 22.2 �� 0.2mm, the wall thickness 1.2-1.5mm at the two ends of aluminium alloy materials in the tube.
6. the manufacture method according to the bicycle handle bar one of claim 1 ~ 5 Suo Shu, it is characterised in that: in step 2) make in vertical step a, Cast aluminium alloy ingot selects the alloy ingot of ALA356.2.
7. the manufacture method according to the bicycle handle bar one of claim 1 ~ 5 Suo Shu, it is characterized in that: make in the step j of handle in step 1), the surface treatment of handle finished product: first pass through the lapping and buffing machine surface to handle finished product and carry out polishing pretreatment, then carries out bag carbon fiber process or oxidation processes again to the surface of handle finished product or Coloured Anodizing processes or spray treatment.
8. the manufacture method according to the bicycle handle bar one of claim 1 ~ 5 Suo Shu, it is characterized in that: in step 2) make in vertical step c, middle pipe, lower pipe, connect fixing tooth, the surface treatment of debugging bar and debugging handle: first pass through lapping and buffing machine centering pipe respectively, lower pipe, connect fixing tooth, the surface of debugging bar and debugging handle carries out polishing pretreatment, then centering pipe is distinguished again, lower pipe, connect fixing tooth, the surface of debugging bar and debugging handle carries out blasting treatment, finally distinguish centering pipe, lower pipe, connect fixing tooth, the surface of debugging bar and debugging handle carries out black anodizing process or spray treatment.
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| CN201610103172.0A CN105643211B (en) | 2016-02-25 | 2016-02-25 | A kind of preparation method of bicycle handle bar |
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| CN201610103172.0A CN105643211B (en) | 2016-02-25 | 2016-02-25 | A kind of preparation method of bicycle handle bar |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108080892A (en) * | 2017-12-05 | 2018-05-29 | 上汽通用五菱汽车股份有限公司 | A kind of automobile engine cover lock catch manufacturing method |
| CN108787785A (en) * | 2018-05-28 | 2018-11-13 | 深圳市汉鸿欣精密科技有限公司 | A kind of bicycle materials in the tube and its manufacturing method |
| CN108971962A (en) * | 2018-10-29 | 2018-12-11 | 深圳市金合联供应链技术有限公司 | Handle assembles locking machine from fixed handle |
| CN110528050A (en) * | 2018-11-01 | 2019-12-03 | 广东南方铝业有限公司 | A kind of electrophoresis sandblasting black surface treatment process of door and window aluminium |
| CN113319542A (en) * | 2021-07-13 | 2021-08-31 | 海安金隆金属科技有限公司 | Manufacturing method of mountain bike handlebar |
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| CN102380740A (en) * | 2010-08-31 | 2012-03-21 | 瑞奇设计公司 | Handle vertical pipe and manufacturing method thereof |
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