CN204605400U - A kind of hub ratchet structure - Google Patents
A kind of hub ratchet structure Download PDFInfo
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- CN204605400U CN204605400U CN201520168728.5U CN201520168728U CN204605400U CN 204605400 U CN204605400 U CN 204605400U CN 201520168728 U CN201520168728 U CN 201520168728U CN 204605400 U CN204605400 U CN 204605400U
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- ratchet
- ratchet pawl
- deep
- slotted chip
- sleeve
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Abstract
The utility model discloses a kind of hub ratchet structure, comprise sleeve, the excircle wall of described sleeve one end minor diameter part offers along the axially extended some deep-slotted chip breakers of described sleeve, the ratchet pawl group matched with it is provided with in described deep-slotted chip breaker, the outer ring of described ratchet pawl group is provided with ratchet ring, described ratchet ring engages with described ratchet pawl group and arranges, at least be arranged side by side ratchet pawl group described in two groups between the deep-slotted chip breaker of described sleeve and described ratchet ring, and shifted to install between described ratchet pawl group.The utility model can not increase the volume of flower-drum, weight and do not affect ratchet ring structural strength prerequisite under realize the function that drives instantaneously.
Description
Technical field:
The utility model relates to bicycle accessories technical field, relates to a kind of bicycle hub ratchet structure in particular.
Background technology:
Hub ratchet structure of the prior art is meet the requirement driven instantaneously, and 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:
The purpose of this utility model is exactly the deficiency for prior art, and provides a kind of hub ratchet structure, its can not increase the volume of flower-drum, weight and do not affect ratchet ring structural strength prerequisite under realize the function that drives instantaneously.
Technology solution of the present utility model is as follows:
A kind of hub ratchet structure, comprise sleeve, the excircle wall of described sleeve one end minor diameter part offers along the axially extended some deep-slotted chip breakers of described sleeve, the ratchet pawl group matched with it is provided with in described deep-slotted chip breaker, the outer ring of described ratchet pawl group is provided with ratchet ring, described ratchet ring engages with described ratchet pawl group and arranges, and has at least been arranged side by side ratchet pawl group described in two groups between the deep-slotted chip breaker of described sleeve and described ratchet ring, and shifts to install between described ratchet pawl group.
Preferred as technique scheme, described ratchet pawl group comprises the some ratchet pawls be arranged in described deep-slotted chip breaker, the latch spring be fastened on described ratchet pawl, wherein, described latch spring is around in the circumferential direction of described sleeve minor diameter part, and described ratchet pawl is equally spaced to be distributed on described latch spring.
Preferred as technique scheme, the circumferential direction of described sleeve minor diameter part is provided with the draw-in groove fastened with described latch spring.
Preferred as technique scheme, described ratchet pawl comprises base portion and extension, and wherein, one end and the described base portion of described extension are connected, and the other end is meshed with the ratchet of described ratchet ring inner ring, and described base portion is arranged in described deep-slotted chip breaker.
Preferred as technique scheme, the end face that described ratchet pawl matches with described latch spring offers the opening fastened with described latch spring.
Preferred as technique scheme, described latch spring is provided with an opening, and one end of described opening is provided with a right angle bend, and described bending part hook is located on described deep-slotted chip breaker.
The beneficial effects of the utility model are: organize ratchet pawl group to realize the requirement driven instantaneously by being arranged side by side between the deep-slotted chip breaker and ratchet ring of sleeve more, 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.
Accompanying drawing illustrates:
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is perspective view of the present utility model;
Fig. 2 is the structural representation of the main apparent direction of Fig. 1;
Fig. 3 is the STRUCTURE DECOMPOSITION schematic diagram of Fig. 1;
Fig. 4 is the perspective view after removing ratchet ring in Fig. 1;
Fig. 5 is the structural representation of sleeve of the present utility model;
Fig. 6 is the structural representation of ratchet pawl of the present utility model;
Fig. 7 is the structural representation overlooking direction of Fig. 6;
Fig. 8 is the structural representation of ratchet pawl group of the present utility model.
In figure, 10, sleeve; 11, deep-slotted chip breaker; 12, draw-in groove; 20, ratchet pawl; 21, base portion; 22, extension; 23, opening; 30, latch spring; 31, bending part; 40, ratchet ring.
Detailed description of the invention:
Embodiment: by particular specific embodiment, embodiment of the present utility model is described below, those skilled in the art can understand other advantages of the present utility model and effect easily by content disclosed in the present specification.
See shown in Fig. 1 to Fig. 5, a kind of hub ratchet structure, comprise sleeve 10, the excircle wall of described sleeve 10 one end minor diameter part offers along the axially extended some deep-slotted chip breakers 11 of described sleeve 10, the ratchet pawl group matched with it is provided with in described deep-slotted chip breaker 11, the outer ring of described ratchet pawl group is provided with ratchet ring 40, described ratchet ring 40 engages with described ratchet pawl group and arranges, wherein, at least be arranged side by side ratchet pawl group described in two groups between the deep-slotted chip breaker 11 of described sleeve 10 and described ratchet ring 40, and shifted to install between described ratchet pawl group.
See shown in Fig. 4 and Fig. 8, described ratchet pawl group comprises the some ratchet pawls 20 be arranged in described deep-slotted chip breaker 11, the latch spring 30 be fastened on described ratchet pawl 20, wherein, described latch spring 30 is around in the circumferential direction of described sleeve 10 minor diameter part, and described ratchet pawl 20 is equally spaced to be distributed on described latch spring 30.Described latch spring 30 is provided with an opening, and one end of described opening is provided with a right angle bend 31, and described bending part 31 hook is located on described deep-slotted chip breaker 11.Described latch spring 30 plays the effect of a fixing described ratchet pawl 20, prevents described ratchet pawl 20 play in described deep-slotted chip breaker 11.As shown in Figure 3, the circumferential direction of described sleeve 10 minor diameter part is provided with the draw-in groove 12 fastened with described latch spring 30.See shown in Fig. 6 to Fig. 8, described ratchet pawl 20 comprises base portion 21 and extension 22, and wherein, one end and the described base portion 21 of described extension 22 are connected, and the other end is meshed with the ratchet of described ratchet ring 40 inner ring, and described base portion 21 is arranged in described deep-slotted chip breaker 11.The end face that described ratchet pawl 20 matches with described latch spring 30 offers the opening 23 fastened with described latch spring 30.
In the present embodiment, the excircle wall of described sleeve 10 minor diameter part offers six deep-slotted chip breakers 11, two groups of ratchet pawl groups are provided with in described deep-slotted chip breaker 11, equally spacedly on the latch spring 30 often organizing ratchet pawl group be provided with three described ratchet pawls 20, ratchet pawl 20 mutual dislocation of described two groups of ratchet pawl groups is arranged, and on the quantity of deep-slotted chip breaker 11, the quantity of ratchet pawl group and described latch spring 30 described in the process that reality uses, the quantity of ratchet pawl 20 is determined according to the actual requirements.
Described embodiment in order to illustrative the utility model, but not for limiting the utility model.Any those skilled in the art all without prejudice under spirit of the present utility model and category, can modify to described embodiment, therefore rights protection scope of the present utility model, should listed by claim of the present utility model.
Claims (6)
1. a hub ratchet structure, comprise sleeve (10), the excircle wall of described sleeve (10) one end minor diameter part offer along the axially extended some deep-slotted chip breakers (11) of described sleeve (10), the ratchet pawl group matched with it is provided with in described deep-slotted chip breaker (11), the outer ring of described ratchet pawl group is provided with ratchet ring (40), described ratchet ring (40) engages with described ratchet pawl group and arranges, it is characterized in that: between the deep-slotted chip breaker (11) of described sleeve (10) and described ratchet ring (40), be at least arranged side by side ratchet pawl group described in two groups, and shift to install between described ratchet pawl group.
2. hub ratchet structure according to claim 1, it is characterized in that: described ratchet pawl group comprises the some ratchet pawls (20) be arranged in described deep-slotted chip breaker (11), the latch spring (30) be fastened on described ratchet pawl (20), wherein, described latch spring (30) is around in the circumferential direction of described sleeve (10) minor diameter part, and described ratchet pawl (20) is equally spaced to be distributed on described latch spring (30).
3. hub ratchet structure according to claim 2, is characterized in that: the circumferential direction of described sleeve (10) minor diameter part is provided with the draw-in groove (12) fastened with described latch spring (30).
4. hub ratchet structure according to claim 2, it is characterized in that: described ratchet pawl (20) comprises base portion (21) and extension (22), wherein, one end and the described base portion (21) of described extension (22) are connected, the other end is meshed with the ratchet of described ratchet ring (40) inner ring, and described base portion (21) is arranged in described deep-slotted chip breaker (11).
5. hub ratchet structure according to claim 4, is characterized in that: the end face that described ratchet pawl (20) matches with described latch spring (30) offers the opening (23) fastened with described latch spring (30).
6. hub ratchet structure according to claim 2, it is characterized in that: described latch spring (30) is provided with an opening, one end of described opening is provided with a right angle bend (31), and described bending part (31) hook is located on described deep-slotted chip breaker (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520168728.5U CN204605400U (en) | 2015-03-24 | 2015-03-24 | A kind of hub ratchet structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520168728.5U CN204605400U (en) | 2015-03-24 | 2015-03-24 | A kind of hub ratchet structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204605400U true CN204605400U (en) | 2015-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520168728.5U Active CN204605400U (en) | 2015-03-24 | 2015-03-24 | A kind of hub ratchet structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN204605400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043577A (en) * | 2018-01-17 | 2019-07-23 | 景福事业股份有限公司 | The one-way rotating brake of low friction resistance |
-
2015
- 2015-03-24 CN CN201520168728.5U patent/CN204605400U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043577A (en) * | 2018-01-17 | 2019-07-23 | 景福事业股份有限公司 | The one-way rotating brake of low friction resistance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220608 Address after: 518000 No.12 Chuangye Road, Shuitian No.3 Industrial Zone, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Novatec Traffic Equipment (Shenzhen) Co.,Ltd. Address before: 518000 No.12 Chuangye Road, Shuitian No.3 Industrial Zone, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: Chen Shiwei |
|
| TR01 | Transfer of patent right |