CN211565157U - Milling fixture for bicycle shaft transmission rear fork - Google Patents
Milling fixture for bicycle shaft transmission rear fork Download PDFInfo
- Publication number
- CN211565157U CN211565157U CN201922099018.2U CN201922099018U CN211565157U CN 211565157 U CN211565157 U CN 211565157U CN 201922099018 U CN201922099018 U CN 201922099018U CN 211565157 U CN211565157 U CN 211565157U
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- clamping block
- wall
- fixedly connected
- milling fixture
- gear
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 39
- 238000003801 milling Methods 0.000 title claims abstract description 26
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
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Abstract
The utility model belongs to the technical field of the bicycle technique, especially, bicycle shaft transmission milling fixture for back vent, including the installation base, the mounting groove has been seted up to the upper surface of installation base, the spout has been seted up to the both sides inner wall of mounting groove, the inner wall of mounting groove is provided with clamping device, clamping device includes first clamp splice and second clamp splice. This milling fixture is used to bicycle shaft transmission back vent, the surface through setting up the pivot is the first gear of fixedly connected with respectively, second gear and ratchet, the interior diapire fixedly connected with rack of mounting groove, the flank of tooth of first gear and second gear all with the flank of tooth intermeshing of rack, the effect of carrying out the centre gripping to not unidimensional bicycle shaft transmission back vent has been reached, thereby solved current milling fixture for bicycle shaft transmission back vent and can only fix the transmission back vent of same size of a dimension, make the problem that the availability factor of anchor clamps reduces.
Description
Technical Field
The utility model relates to a bicycle technical field especially relates to a bicycle shaft transmission milling fixture for back vent.
Background
A bicycle is a small land vehicle driven by manual pedaling, usually two wheels, but also three wheels. It can be used as an environment-friendly vehicle for riding instead of walking and going out, and also can be used as a body-building apparatus for riding exercise and bicycle tour. The bicycle is also a sports competition, and includes road bike racing, mountain bike racing, field bike racing and special bike racing;
the milling clamp (application number: 201720088370.4) for the bicycle shaft transmission rear fork disclosed by the Chinese patent document comprises a base, wherein two sets of reverse clamping systems are arranged on the base, each clamping system comprises a cylinder supporting seat, a cylinder, a vertical plate, a limiting column and a base plate, the number of the cylinders and the number of the limiting columns are two, the cylinders are arranged on the cylinder supporting seats, the cylinders are provided with piston rods, the vertical plates are connected with rib plates, the tops of the vertical plates are provided with clamping blocks, each vertical plate comprises a first vertical plate and a second vertical plate, and a space avoiding structure is arranged on the second vertical plate. The utility model relates to a bicycle shaft transmission milling fixture for back vent is equipped with base, cylinder and compact heap, and the structure is simple relatively, low in manufacturing cost, centre gripping convenient operation, and work piece centre gripping location is firm stable effectual, has guaranteed that the bicycle joins in marriage, and this patent has solved the firm effect to work piece centre gripping location, but can only fix the transmission back vent of same size of a dimension for the availability factor of anchor clamps reduces.
SUMMERY OF THE UTILITY MODEL
Based on current bicycle shaft transmission milling fixture for back vent can only fix the transmission back vent of same size of a dimension for the availability factor of anchor clamps reduces technical problem, the utility model provides a bicycle shaft transmission milling fixture for back vent.
The utility model provides a milling fixture for bicycle axle transmission rear fork, including the installation base, the upper surface of installation base has seted up the mounting groove, the both sides inner wall of mounting groove has seted up the spout, the inner wall of mounting groove is provided with clamping device, clamping device includes first clamp splice and second clamp splice;
first installing ports are formed in the lower surfaces of the first clamping block and the second clamping block, connecting ports are formed in the inner walls of the two sides of the first installing ports, and the inner walls of the connecting ports are fixedly connected with rotating shafts through rolling bearings.
Preferably, the outer surfaces of the lower ends of the first clamping block and the second clamping block are in sliding insertion connection with the inner wall of the mounting groove, the surfaces of the two sides of the first clamping block and the second clamping block are fixedly connected with sliding blocks, and the outer surfaces of the sliding blocks are in sliding insertion connection with the inner wall of the sliding groove;
through the scheme, the effect of limiting the first clamping block and the second clamping block is achieved.
Preferably, a first clamping opening is formed in one side surface of the first clamping block, a second clamping opening is formed in one side surface of the second clamping block, and the first clamping opening is located on the opposite surface of the second clamping opening;
through above-mentioned scheme, reached and fixed the effect of centre gripping to bicycle shaft transmission back vent.
Preferably, the outer surface of the rotating shaft is fixedly connected with a first gear, a second gear and a ratchet wheel respectively, the inner bottom wall of the mounting groove is fixedly connected with a rack, and the tooth surfaces of the first gear and the second gear are meshed with the tooth surface of the rack;
through the scheme, the effect of driving the first clamping block and the second clamping block to move is achieved.
Preferably, a second mounting opening is formed in the inner wall of one side of the first mounting opening, a connecting shaft is fixedly connected to the inner wall of the second mounting opening, and a pawl is movably sleeved on the outer surface of the connecting shaft;
through the scheme, the ratchet wheel is stopped, and the effect that the first clamping block and the second clamping block are loosened in the machining process of the bicycle shaft transmission rear fork is avoided.
Preferably, the outer surface of the pawl is fixedly connected with a torsion spring, a free end at one end of the torsion spring is fixedly connected with the inner wall of the second mounting opening, and a communication opening is formed in the inner top wall of the second mounting opening;
through the scheme, the effect that the ratchet wheel is driven to reset after the ratchet wheel loses the pulling force of the pull rope is achieved.
Preferably, the surface of one side of the pawl is fixedly connected with pull ropes, one ends of the two pull ropes respectively extend to the outer surfaces of the first clamping block and the second clamping block through communication ports, and the surface of the top end of the pawl is movably inserted into the surface of a tooth socket of the ratchet wheel;
through the scheme, the effect of controlling the state of the pawl is achieved.
The utility model provides a beneficial effect does:
1. the outer surface through setting up the pivot is the first gear of fixedly connected with respectively, second gear and ratchet, the interior diapire fixedly connected with rack of mounting groove, the flank of tooth of first gear and second gear all with the flank of tooth intermeshing of rack, reached and carried out the effect of centre gripping to unidimensional bicycle axle transmission back fork, thereby solved current bicycle axle transmission back fork and can only fix the transmission back fork of same size with milling fixture, make the problem that the availability factor of anchor clamps reduces.
2. Through the one side fixed surface that sets up the pawl be connected with the stay cord, the one end of two stay cords is passed through the intercommunication mouth and is extended to the surface of first clamp splice and second clamp splice respectively, and the top surface of pawl is pegged graft with the tooth's socket surface activity of ratchet, has reached the effect to first clamp splice and second clamp splice locking to the unable fixed problem that leads to bicycle shaft transmission back fork of first clamp splice and second clamp splice has been solved.
Drawings
FIG. 1 is a schematic view of a milling fixture for a bicycle axle transmission rear fork according to the present invention;
FIG. 2 is a sectional view of a mounting base structure of a milling fixture for a bicycle axle transmission rear fork according to the present invention;
FIG. 3 is a sectional view of a first clamping block structure of a milling fixture for a bicycle axle transmission rear fork according to the present invention;
FIG. 4 is an enlarged view of the structure at the position A in FIG. 2 of the milling fixture for the bicycle axle transmission rear fork of the present invention;
fig. 5 is a structural enlarged view of a portion B in fig. 4 of the milling fixture for a bicycle axle transmission rear fork according to the present invention.
In the figure: 1. installing a base; 2. mounting grooves; 3. a chute; 4. a first clamping block; 5. a second clamp block; 6. a first mounting port; 7. a connecting port; 8. a rotating shaft; 9. a slider; 10. a first gear; 11. a second gear; 12. a ratchet wheel; 13. a rack; 14. a second mounting opening; 15. a pawl; 16. a torsion spring; 17. a communication port; 18. and pulling a rope.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-5, a milling fixture for a bicycle shaft transmission rear fork, as shown in fig. 1-3, comprises an installation base 1, wherein the upper surface of the installation base 1 is provided with an installation groove 2, the inner walls of two sides of the installation groove 2 are provided with sliding grooves 3, the inner wall of the installation groove 2 is provided with a clamping device, the clamping device comprises a first clamping block 4 and a second clamping block 5, the outer surfaces of the lower ends of the first clamping block 4 and the second clamping block 5 are both in sliding insertion connection with the inner wall of the installation groove 2, the surfaces of two sides of the first clamping block 4 and the second clamping block 5 are both fixedly connected with a sliding block 9, the outer surface of the sliding block 9 is in sliding insertion connection with the inner wall of the sliding groove 3, one side surface of the first clamping block 4 is provided with a first clamping opening, one side surface of the second clamping block 5 is provided with a;
as shown in fig. 3-5, the lower surfaces of the first clamping block 4 and the second clamping block 5 are respectively provided with a first mounting opening 6, the inner walls of the two sides of the first mounting opening 6 are respectively provided with a connecting opening 7, the inner wall of the connecting opening 7 is fixedly connected with a rotating shaft 8 through a rolling bearing, the outer surface of the rotating shaft 8 is respectively fixedly connected with a first gear 10, a second gear 11 and a ratchet wheel 12, the inner bottom wall of the mounting groove 2 is fixedly connected with a rack 13, the tooth surfaces of the first gear 10 and the second gear 11 are respectively meshed with the tooth surface of the rack 13, the inner wall of one side of the first mounting opening 6 is provided with a second mounting opening 14, the inner wall of the second mounting opening 14 is fixedly connected with a connecting shaft, the outer surface of the connecting shaft is movably sleeved with a pawl 15, so as to achieve the effect of clamping different sizes of bicycle shaft transmission rear forks, thereby solving the problem that the existing milling clamp for bicycle shaft, the problem of reducing the use efficiency of the clamp;
as shown in fig. 2-5, a torsion spring 16 is fixedly connected to the outer surface of the pawl 15, a free end of one end of the torsion spring 16 is fixedly connected to the inner wall of the second mounting opening 14, a communicating opening 17 is formed in the inner top wall of the second mounting opening 14, a pull rope 18 is fixedly connected to the surface of one side of the pawl 15, one ends of the two pull ropes 18 extend to the outer surfaces of the first clamping block 4 and the second clamping block 5 through the communicating opening 17 respectively, the top end surface of the pawl 15 is movably connected with the tooth space surface of the ratchet 12 in an inserting mode, the locking effect of the first clamping block 4 and the second clamping block 5 is achieved, and therefore the problem that the bicycle axle transmission rear fork cannot be fixed due to the fact that the first clamping block 4 and the second clamping block 5 cannot be fixed.
The working principle is as follows: during the use, operating personnel places bicycle axle transmission back fork on the surface of installation base 1, pulling stay cord 18, ratchet 12 loses the stopping power of pawl 15, operating personnel promotes first clamp splice 4 and second clamp splice 5, first gear 10 and second gear 11 draw close to the middle part through the meshing with rack 13, carry out the centre gripping to bicycle axle transmission back fork, operating personnel loosens stay cord 18 after the centre gripping, pawl 15 pegs graft with ratchet 12, can fix first clamp splice 4 and second clamp splice 5, and then fix bicycle axle transmission back fork.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a bicycle shaft transmission milling fixture for back vent, includes installation base (1), its characterized in that: the upper surface of the mounting base (1) is provided with a mounting groove (2), the inner walls of two sides of the mounting groove (2) are provided with sliding grooves (3), the inner wall of the mounting groove (2) is provided with a clamping device, and the clamping device comprises a first clamping block (4) and a second clamping block (5);
first installing port (6) have all been seted up to the lower surface of first clamp splice (4) and second clamp splice (5), connector (7) have all been seted up to the both sides inner wall of first installing port (6), the inner wall of connector (7) passes through antifriction bearing fixedly connected with pivot (8).
2. The milling fixture for a bicycle axle transmission rear fork of claim 1, wherein: the outer surface of the lower end of the first clamping block (4) and the lower end of the second clamping block (5) are in sliding insertion connection with the inner wall of the mounting groove (2), sliding blocks (9) are fixedly connected to the surfaces of the two sides of the first clamping block (4) and the second clamping block (5), and the outer surface of each sliding block (9) is in sliding insertion connection with the inner wall of the corresponding sliding groove (3).
3. The milling fixture for a bicycle axle transmission rear fork of claim 1, wherein: a first clamping opening is formed in one side surface of the first clamping block (4), a second clamping opening is formed in one side surface of the second clamping block (5), and the first clamping opening is located on the opposite surface of the second clamping opening.
4. The milling fixture for a bicycle axle transmission rear fork of claim 1, wherein: the outer surface of pivot (8) is fixedly connected with first gear (10), second gear (11) and ratchet (12) respectively, the interior diapire fixedly connected with rack (13) of mounting groove (2), the flank of tooth of first gear (10) and second gear (11) all with the flank of tooth intermeshing of rack (13).
5. The milling fixture for a bicycle axle transmission rear fork of claim 1, wherein: a second mounting opening (14) is formed in the inner wall of one side of the first mounting opening (6), a connecting shaft is fixedly connected to the inner wall of the second mounting opening (14), and a pawl (15) is movably sleeved on the outer surface of the connecting shaft.
6. The milling fixture for a bicycle axle transmission rear fork of claim 5, wherein: the outer surface of the pawl (15) is fixedly connected with a torsion spring (16), the free end of one end of the torsion spring (16) is fixedly connected with the inner wall of the second mounting opening (14), and the inner top wall of the second mounting opening (14) is provided with a communication opening (17).
7. The milling fixture for a bicycle axle transmission rear fork of claim 6, wherein: one side surface of the pawl (15) is fixedly connected with pull ropes (18), one ends of the two pull ropes (18) respectively extend to the outer surfaces of the first clamping block (4) and the second clamping block (5) through communicating ports (17), and the top end surface of the pawl (15) is movably inserted into the tooth groove surface of the ratchet wheel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922099018.2U CN211565157U (en) | 2019-11-29 | 2019-11-29 | Milling fixture for bicycle shaft transmission rear fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922099018.2U CN211565157U (en) | 2019-11-29 | 2019-11-29 | Milling fixture for bicycle shaft transmission rear fork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211565157U true CN211565157U (en) | 2020-09-25 |
Family
ID=72533834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922099018.2U Expired - Fee Related CN211565157U (en) | 2019-11-29 | 2019-11-29 | Milling fixture for bicycle shaft transmission rear fork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211565157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112317893A (en) * | 2020-10-29 | 2021-02-05 | 深圳市米尔迪克精密机械科技有限公司 | Numerical control spark machine with high rigidity lathe structure |
-
2019
- 2019-11-29 CN CN201922099018.2U patent/CN211565157U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112317893A (en) * | 2020-10-29 | 2021-02-05 | 深圳市米尔迪克精密机械科技有限公司 | Numerical control spark machine with high rigidity lathe structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200925 |