CN104908520A - Bicycle hub ratchet wheel structure - Google Patents
Bicycle hub ratchet wheel structure Download PDFInfo
- Publication number
- CN104908520A CN104908520A CN201510312306.5A CN201510312306A CN104908520A CN 104908520 A CN104908520 A CN 104908520A CN 201510312306 A CN201510312306 A CN 201510312306A CN 104908520 A CN104908520 A CN 104908520A
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- China
- Prior art keywords
- ratchet
- deep
- bicycle hub
- chip breaker
- slotted chip
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Abstract
The invention discloses a bicycle hub ratchet wheel structure which comprises a hub, a ratchet ring, a sleeve and ratchet pawl groups, wherein the ratchet ring is connected with the hub; a boss is arranged at a first end of the sleeve; arc grooves and first embedded grooves are formed in the boss; each ratchet pawl group comprises a plurality of pawls and pawl springs arranged on the pawls in a clamping manner; first tooth parts, first tooth parts and second embedded grooves are arranged on and formed in the pawls; the pawls are arranged in the arc grooves; the pawl springs are clamped in the first embedded grooves and the second embedded grooves; and at least two ratchet pawl groups are arranged in the arc grooves and the first embedded grooves of the sleeve side by side, and are arranged in a staggered manner. The structure can realize an instant driving function on the premises that the volume and the weight of the hub are not increased and the structural strength of the ratchet ring is not affected.
Description
Technical field:
The invention belongs to bicycle accessories technical field, specifically relate to a kind of bicycle hub ratchet structure.
Background technology:
Hub ratchet structure is a kind of transmission device being arranged at bicycle rear, it utilizes locating part to make ratchet keep normally off, again with the projection of ratchet and damping piece to hole of pulling to produce displacement relation, namely, when bicycle pedal forward is trampled, toothed disc band moving sleeve rotates, and drives flower-drum to rotate thereupon, wheel can be rotated forward, and when bicycle pedal is oppositely trampled, sleeve and flower-drum produce and dally, become to prevent wheel and rotate backward.
In prior art for bicycle hub ratchet structure be meet the requirement that drives instantaneously, a kind of method increases the ratchet ring number of teeth and ratchet pawl number, namely increases the internal-and external diameter of ratchet ring, and another kind of method increases number at the bottom of ratchet ring crown and tooth.The former weak point is overall volume and the weight that relatively can increase flower-drum, and the weak point of the latter is the structural strength that can affect ratchet ring.
Summary of the invention:
For this reason, it is meet the requirement that drives instantaneously that technical matters to be solved by this invention to be in prior art for the hub ratchet structure of bicycle, increase the overall volume of flower-drum and weight or have impact on the structural strength of ratchet ring, thus propose a kind of bicycle hub ratchet structure.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of bicycle hub ratchet structure, comprising:
Flower-drum, is provided with the first through hole in described flower-drum.
Ratchet ring, described ratchet ring is connected with described flower-drum, is provided with the second through hole in described ratchet ring, and described second through hole is provided with multiple ratchet.
Sleeve, the first end of described sleeve is provided with boss, described boss is provided with deep-slotted chip breaker and first and is embedded groove.
Ratchet pawl group, described ratchet pawl group comprises multiple ratchet and is fastened on the latch spring on multiple described ratchet, described ratchet is provided with the first teeth portion, the second teeth portion and second is embedded groove, described ratchet is arranged in described deep-slotted chip breaker, and described latch spring is fastened on described first and is embedded groove and described second and is embedded in groove.
The deep-slotted chip breaker of described sleeve and first is embedded in groove and has at least been arranged side by side ratchet pawl group described in two groups, and shifts to install between described ratchet pawl group.
Preferred as technique scheme, the first teeth portion of described ratchet and the second teeth portion and described ratchet engagement are arranged.
Preferred as technique scheme, described ratchet is distributed on described latch spring equally spacedly.
Preferred as technique scheme, described latch spring is provided with an opening, and one end of described opening is provided with elbow bend folding part, and described elbow bend folding part hook is located on described deep-slotted chip breaker.
Preferred as technique scheme, described deep-slotted chip breaker is arranged along the axis of described boss, and described first is embedded groove is arranged along the circumference of described boss.
Preferred as technique scheme, described first through-hole wall is provided with negative thread, the outer wall of described ratchet ring is provided with outside thread, described flower-drum is connected with described outside thread by described negative thread with described ratchet ring.
Beneficial effect of the present invention is: it is by being embedded in groove the requirement being at least arranged side by side two groups of group ratchet pawl groups and realizing driving instantaneously at the deep-slotted chip breaker and first of sleeve, namely the axial dimension of described ratchet ring and ratchet is increased, the overall volume and the weight that increase flower-drum can be avoided while realizing driving instantaneously, reduce the impact on ratchet ring structural strength; It, by arranging the first teeth portion and the second teeth portion on ratchet, can coordinate the ratchet on different ratchet ring, increases the speed of response that ratchet promotes ratchet, increases the transfer motion power that ratchet promotes ratchet, the requirement that further realization drives instantaneously.
Accompanying drawing illustrates:
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.Wherein:
Fig. 1 is a kind of bicycle hub ratchet structural representation of one embodiment of the invention;
Fig. 2 is the hub structure schematic diagram of one embodiment of the invention;
Fig. 3 is the ratchet ring structural representation of one embodiment of the invention;
Fig. 4 is the tube-in-tube structure schematic diagram of one embodiment of the invention;
Fig. 5 is the ratchet pawl group structural representation of one embodiment of the invention;
Fig. 6 is the pawl structures schematic diagram of one embodiment of the invention;
Fig. 7 is the latch spring structural representation of one embodiment of the invention.
Nomenclature in figure:
1-flower-drum, 2-ratchet ring, 3-sleeve, 4-ratchet pawl group, 101-first through hole, 102-negative thread, 201-outside thread, 202-second through hole, 203-ratchet, 301-boss, 302-deep-slotted chip breaker, 303-first is embedded groove, 401-ratchet, 402-latch spring, 4011-first teeth portion, 4012-second teeth portion, 4013-second is embedded groove, 4021-elbow bend folding part.
Detailed description of the invention:
As shown in Figure 1, a kind of bicycle hub ratchet structure of the present invention, comprising: flower-drum 1, ratchet ring 2, sleeve 3, ratchet pawl group 4.
As shown in Figure 2, the first through hole 101 is provided with in described flower-drum 1.Described first through hole 101 inwall is provided with negative thread 102.
As shown in Figure 3, described ratchet ring 2 is connected with described flower-drum 1, is provided with the second through hole 202 in described ratchet ring 2, and described second through hole 202 is provided with multiple ratchet 203.The outer wall of described ratchet ring 2 is provided with outside thread 201, and described outside thread 201 and described negative thread 102 correspondence are arranged, and described flower-drum 1 is connected with described outside thread 201 by described negative thread 102 with described ratchet ring 2.
As shown in Figure 4, the first end of described sleeve 3 is provided with boss 301, described boss 301 is provided with deep-slotted chip breaker 302 and first and is embedded groove 303.Described boss 301 is cylinder, described boss 301 is fixedly connected with described sleeve 3, described boss 301 is processed described deep-slotted chip breaker 302 and described first and be embedded groove 303, described deep-slotted chip breaker 302 is arranged along the axis of described boss 301, and described first is embedded groove 303 is arranged along the circumference of described boss 301.In the present embodiment, described deep-slotted chip breaker 302 is set to six, and described first is embedded groove 303 is set to two groups of annular grooves in described cylindrical circumferential direction.
As shown in Figure 5, the latch spring 402 that described ratchet pawl group 4 comprises multiple ratchet 401 and is fastened on multiple described ratchet 401, as shown in Figure 6, described ratchet 401 is provided with the first teeth portion 4011, second teeth portion 4012 and second and is embedded groove 4013, described ratchet 401 is arranged in described deep-slotted chip breaker 302, and described latch spring 402 is fastened on described first and is embedded groove 303 and described second and is embedded in groove 4013.The deep-slotted chip breaker 302 of described sleeve 3 and first is embedded in groove 303 and has at least been arranged side by side ratchet pawl group 4 described in two groups, and shifts to install between described ratchet pawl group 4.In the present embodiment, described ratchet pawl group 4 chooses two groups, often organizes ratchet pawl group 4 and comprises 3 ratchets 401 and a latch spring 402,3 ratchets 401 are distributed on described latch spring 402 equally spacedly.The number that described deep-slotted chip breaker 302 and described first is embedded groove 303 is determined according to the number of described ratchet pawl group 4.First teeth portion 4011 of described ratchet 401 and the second teeth portion 4012 and described ratchet 203 engage and arrange.As shown in Figure 7, described latch spring 402 is provided with an opening, one end of described opening is provided with elbow bend folding part 4021, and described elbow bend folding part 4021 hook is located on described deep-slotted chip breaker 302, and described latch spring 402 is for being fixed on described ratchet 401 in described deep-slotted chip breaker 302.
Present embodiments provide a kind of bicycle hub ratchet structure, comprise: flower-drum, ratchet ring, sleeve and ratchet pawl group, described ratchet ring is connected with described flower-drum, and the first end of described sleeve is provided with boss, described boss is provided with deep-slotted chip breaker and first and is embedded groove; Described ratchet pawl group comprises multiple ratchet and is fastened on the latch spring on multiple ratchet, described ratchet is provided with the first teeth portion, the second teeth portion and second is embedded groove, described ratchet is arranged in described deep-slotted chip breaker, and described latch spring is fastened on described first and is embedded groove and described second and is embedded in groove; The deep-slotted chip breaker of described sleeve and first is embedded in groove and has at least been arranged side by side ratchet pawl group described in two groups, and shifts to install between described ratchet pawl group.It is by being embedded in groove the requirement being at least arranged side by side two groups of group ratchet pawl groups and realizing driving instantaneously at the deep-slotted chip breaker and first of sleeve, namely the axial dimension of described ratchet ring and ratchet is increased, the overall volume and the weight that increase flower-drum can be avoided while realizing driving instantaneously, reduce the impact on ratchet ring structural strength; It, by arranging the first teeth portion and the second teeth portion on ratchet, can coordinate the ratchet on different ratchet ring, increases the speed of response that ratchet promotes ratchet, increases the transfer motion power that ratchet promotes ratchet, the requirement that further realization drives instantaneously.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (6)
1. a bicycle hub ratchet structure, is characterized in that, comprising:
Flower-drum (1), is provided with the first through hole (101) in described flower-drum (1);
Ratchet ring (2), described ratchet ring (2) is connected with described flower-drum (1), be provided with the second through hole (202) in described ratchet ring (2), described second through hole (202) is provided with multiple ratchet (203);
Sleeve (3), the first end of described sleeve (3) is provided with boss (301), described boss (301) is provided with deep-slotted chip breaker (302) and first and is embedded groove (303);
Ratchet pawl group (4), described ratchet pawl group (4) comprises multiple ratchet (401) and is fastened on the latch spring (402) on multiple described ratchet (401), described ratchet (401) is provided with the first teeth portion (4011), the second teeth portion (4012) and second is embedded groove (4013), described ratchet (401) is arranged in described deep-slotted chip breaker (302), and described latch spring (402) is fastened on described first and is embedded groove (303) and described second and is embedded in groove (4013);
The deep-slotted chip breaker (302) of described sleeve (3) and first is embedded in groove (303) and has at least been arranged side by side ratchet pawl group (4) described in two groups, and shifts to install between described ratchet pawl group (4).
2. bicycle hub ratchet structure according to claim 1, is characterized in that: first teeth portion (4011) of described ratchet (401) and the second teeth portion (4012) and described ratchet (203) engagement are arranged.
3. bicycle hub ratchet structure according to claim 1 and 2, is characterized in that: described ratchet (401) is distributed on described latch spring (402) equally spacedly.
4. bicycle hub ratchet structure according to claim 3, it is characterized in that: described latch spring (402) is provided with an opening, one end of described opening is provided with elbow bend folding part (4021), and described elbow bend folding part (4021) hook is located on described deep-slotted chip breaker (302).
5. bicycle hub ratchet structure according to claim 1, it is characterized in that: described deep-slotted chip breaker (302) is arranged along the axis of described boss (301), described first is embedded groove (303) is arranged along the circumference of described boss (301).
6. bicycle hub ratchet structure according to claim 1, it is characterized in that: described first through hole (101) inwall is provided with negative thread (102), the outer wall of described ratchet ring (2) is provided with outside thread (201), described flower-drum (1) is connected with described outside thread (201) by described negative thread (102) with described ratchet ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312306.5A CN104908520A (en) | 2015-06-09 | 2015-06-09 | Bicycle hub ratchet wheel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312306.5A CN104908520A (en) | 2015-06-09 | 2015-06-09 | Bicycle hub ratchet wheel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104908520A true CN104908520A (en) | 2015-09-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510312306.5A Pending CN104908520A (en) | 2015-06-09 | 2015-06-09 | Bicycle hub ratchet wheel structure |
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| Country | Link |
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| CN (1) | CN104908520A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111696432A (en) * | 2019-03-11 | 2020-09-22 | 深圳市长盈精密技术股份有限公司 | Rotating mechanism, folding mechanism and folding display device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2298576A1 (en) * | 2009-09-22 | 2011-03-23 | Chosen Co., Ltd. | Normally closed soundless bicycle hub |
| CN102211501A (en) * | 2010-04-09 | 2011-10-12 | 林文华 | Bicycle hub structure |
| US8276731B2 (en) * | 2009-09-14 | 2012-10-02 | Chosen Co., Ltd. | Normally closed soundless bicycle hub |
| CN202484134U (en) * | 2012-01-11 | 2012-10-10 | 黄柳迎 | Hub with rachets |
| CN202498965U (en) * | 2012-03-07 | 2012-10-24 | 久裕兴业科技股份有限公司 | Hub ratchet bearing enhanced structure |
| CN203032286U (en) * | 2012-12-27 | 2013-07-03 | 黄柳迎 | Bicycle driving device |
| CN203412993U (en) * | 2013-07-25 | 2014-01-29 | 句容星嘉五金制品有限公司 | Ratchet wheel structure of bicycle wheel hub |
| CN204712784U (en) * | 2015-06-09 | 2015-10-21 | 苏州奥然日用品有限公司 | A kind of bicycle hub ratchet structure |
-
2015
- 2015-06-09 CN CN201510312306.5A patent/CN104908520A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8276731B2 (en) * | 2009-09-14 | 2012-10-02 | Chosen Co., Ltd. | Normally closed soundless bicycle hub |
| EP2298576A1 (en) * | 2009-09-22 | 2011-03-23 | Chosen Co., Ltd. | Normally closed soundless bicycle hub |
| CN102211501A (en) * | 2010-04-09 | 2011-10-12 | 林文华 | Bicycle hub structure |
| CN202484134U (en) * | 2012-01-11 | 2012-10-10 | 黄柳迎 | Hub with rachets |
| CN202498965U (en) * | 2012-03-07 | 2012-10-24 | 久裕兴业科技股份有限公司 | Hub ratchet bearing enhanced structure |
| CN203032286U (en) * | 2012-12-27 | 2013-07-03 | 黄柳迎 | Bicycle driving device |
| CN203412993U (en) * | 2013-07-25 | 2014-01-29 | 句容星嘉五金制品有限公司 | Ratchet wheel structure of bicycle wheel hub |
| CN204712784U (en) * | 2015-06-09 | 2015-10-21 | 苏州奥然日用品有限公司 | A kind of bicycle hub ratchet structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111696432A (en) * | 2019-03-11 | 2020-09-22 | 深圳市长盈精密技术股份有限公司 | Rotating mechanism, folding mechanism and folding display device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150916 |