CN204937372U - A kind of head raceway of bicycle group top cover - Google Patents
A kind of head raceway of bicycle group top cover Download PDFInfo
- Publication number
- CN204937372U CN204937372U CN201520520600.0U CN201520520600U CN204937372U CN 204937372 U CN204937372 U CN 204937372U CN 201520520600 U CN201520520600 U CN 201520520600U CN 204937372 U CN204937372 U CN 204937372U
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- CN
- China
- Prior art keywords
- top cover
- cap assembly
- ball bearing
- bowl group
- binding ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of head raceway of bicycle group top cover, comprise bowl group cap assembly, be positioned at the lower ball bearing of described bowl group cap assembly inside, to be positioned at described bowl group cap assembly inner and be arranged on the upper ball bearing of lower ball bearing upper end, described bowl group cap assembly is provided with top cover screw base, described top cover screw base is provided with binding ring, described binding ring is that binding ring is rotaryed connection with top cover screw base by screw thread by a bolted open loop structure.The bowl group top cover that the utility model provides, disposable metal suspended core need not be forced into again in headset group, can directly install vertical and pre-buried head tube inner structure, and directly adjust vertical structure under without the state of precompressed, the front fork rudder pipe inner space of saved complete through hollow, fully can install various annex or other built-in systems.
Description
Technical field
The utility model belongs to technical field of bicycles, is specifically related to a kind of head raceway of bicycle group top cover.
Background technology
Head raceway of bicycle group for crotch pivot tube is connected to form a cycle frame part turn to (cover) pipe.For this reason, any headset group all comprises lower ball bearing and upper ball bearing, and this sets up a kind of connection allowing pivot tube to rotate relative to steering tube to bearing.In addition, headset group also comprises the device of lower end or top axial locking lower ball bearing and the upper ball bearing abutting against steering tube.
At present, head raceway of bicycle group of the prior art needs to be forced into expanded core and takes out the tight function with maintaining precompressed to complete headset group, waste the utilized space of headstock inside, walk spool or other special constructions in arranging and all can cause and take out tight pre-pressing function and lost efficacy and cause vehicle normally to ride.
Utility model content
The utility model, in order to overcome deficiency of the prior art, provides a kind of head raceway of bicycle group top cover.
The utility model is achieved through the following technical solutions:
A kind of head raceway of bicycle group top cover, comprise bowl group cap assembly, be positioned at the lower ball bearing of described bowl group cap assembly inside, to be positioned at described bowl group cap assembly inner and be arranged on the upper ball bearing of lower ball bearing upper end, described bowl group cap assembly is provided with top cover screw base, described top cover screw base is provided with binding ring, described binding ring is that binding ring is rotaryed connection with top cover screw base by screw thread by a bolted open loop structure.
Compared with prior art, the beneficial effects of the utility model are: the bowl group top cover that the utility model provides, disposable metal suspended core need not be forced into again in headset group, can directly install vertical and pre-buried head tube inner structure, and directly adjust vertical structure under without the state of precompressed, fixing can locking pedestal upper cover, again by card spanner clickwise binding ring, binding ring and top cover screw base are screwed rear locked, the function of taking out tight bowl group bearing can be completed, the front fork rudder pipe inner space of saved complete through hollow, various annex or other built-in systems can be fully installed.
Accompanying drawing explanation
Fig. 1 is exploded view of the present utility model.
In figure: 1-bowl group cap assembly; 2-top cover screw base; 3-binding ring; 4-bolt.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, a kind of head raceway of bicycle group top cover that the present embodiment provides, comprise bowl group cap assembly 1, be positioned at the lower ball bearing of described bowl group cap assembly 1 inside, to be positioned at described bowl group cap assembly 1 inner and be arranged on the upper ball bearing of lower ball bearing upper end, lower ball bearing and upper ball bearing set up a kind of connection allowing pivot tube to rotate relative to steering tube.In addition, bowl group cap assembly 1 also comprises the device of lower end or top axial locking lower ball bearing and the upper ball bearing abutting against steering tube.
Described bowl group cap assembly 1 is provided with top cover screw base 2, described top cover screw base 2 is provided with binding ring 3, described binding ring 3 is the open loop structures connected by bolt 4, and binding ring 3 is rotaryed connection with top cover screw base 2 by screw thread.
Its principle of work is: the bowl group top cover that the present embodiment provides, disposable metal suspended core need not be forced into again in headset group, can directly install vertical and pre-buried head tube inner structure, and directly adjust vertical structure under without the state of precompressed, fixing can locking pedestal upper cover, again by card spanner clickwise binding ring, binding ring and top cover screw base are screwed rear locked, the function of taking out tight bowl group bearing can be completed, the front fork rudder pipe inner space of saved complete through hollow, fully can install various annex or other built-in systems.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (1)
1. a head raceway of bicycle group top cover, comprise bowl group cap assembly (1), be positioned at the lower ball bearing that described bowl group cap assembly (1) is inner, be positioned at described bowl group cap assembly (1) inner and be arranged on the upper ball bearing of lower ball bearing upper end, it is characterized in that: on described bowl group cap assembly (1), be provided with top cover screw base (2), described top cover screw base (2) is provided with binding ring (3), described binding ring (3) is the open loop structure connected by bolt (4), binding ring (3) is rotaryed connection with top cover screw base (2) by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520520600.0U CN204937372U (en) | 2015-07-17 | 2015-07-17 | A kind of head raceway of bicycle group top cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520520600.0U CN204937372U (en) | 2015-07-17 | 2015-07-17 | A kind of head raceway of bicycle group top cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204937372U true CN204937372U (en) | 2016-01-06 |
Family
ID=55004818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520520600.0U Active CN204937372U (en) | 2015-07-17 | 2015-07-17 | A kind of head raceway of bicycle group top cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204937372U (en) |
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2015
- 2015-07-17 CN CN201520520600.0U patent/CN204937372U/en active Active
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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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180904 Address after: 518000 one of the 5 floors of 9B building, Taihua Indus Industrial Park, Baoan District City, Shenzhen, Guangdong. Patentee after: Qi Bai (Shenzhen) science and Technology Co., Ltd. Address before: 100010 301-1, back street, Dongcheng District Art Museum, Beijing 1, 301-1. Patentee before: Jin Chi Pai (Beijing) Technology Development Co., Ltd. |