CN207173172U - A kind of bicycle use bilayer rim that can prevent tire from departing from - Google Patents
A kind of bicycle use bilayer rim that can prevent tire from departing from Download PDFInfo
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- CN207173172U CN207173172U CN201720992529.5U CN201720992529U CN207173172U CN 207173172 U CN207173172 U CN 207173172U CN 201720992529 U CN201720992529 U CN 201720992529U CN 207173172 U CN207173172 U CN 207173172U
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Abstract
A kind of bicycle use bilayer rim that can prevent tire from departing from.It is the cast structural being made up of ring-shaped outer layer top plate, internal layer top plate and biside plate, outer layer top plate and internal layer top plate be arranged in parallel, biside plate is connected to the both ends of outer layer top plate and internal layer top plate simultaneously, is used to set tire in the U-shaped space surrounded between internal layer top plate and biside plate；The outer end edges of each side plate, which bend inwards, and to be extended and forms a snap ring by 90 degree, and the outer end inner layer top plate direction of each snap ring bends 90 degree and simultaneously extends and form a grab.The bicycle use bilayer rim provided by the utility model that can prevent that tire from departing from is to form a grab to extend internally in the snap ring outer end of the double-deck rim of prior art, rubber tyre is constrained using the grab, therefore can effectively prevent rim from being separated each other with rubber tyre.Further, since there is no excessive change to the double-decker coil structures of prior art, therefore it will not excessively increase production cost, and installation process does not change.
Description
Technical field
The utility model belongs to attachments of a bicycle technical field, particularly a kind of bicycle use that can prevent tire from departing from
Double-deck rim.
Background technology
Bicycle is also known as bicycle or bicycle, and it is a kind of green vehicles using foot pedal as power,
Mainly include 25 parts such as terraced, the rear clothes hanger of vehicle frame, wheel, foot-operated, brake, chain, middle branch.Wherein wheel mainly by rim,
Spoke, tire, axletree are formed.Rim is broadly divided into two kinds of individual layer and bilayer.Fig. 1 is a kind of currently used double-deck rim main view
Figure.Fig. 2 is the double-deck rim transverse cross shown in Fig. 1.As shown in Figure 1 and Figure 2, this double-deck rim is by ring-shaped outer layer top
The cast structural that plate 1, internal layer top plate 2 and biside plate 3 are formed, wherein outer layer top plate 1 and internal layer top plate 2 be arranged in parallel, biside plate 3
The both ends of outer layer top plate 1 and internal layer top plate 2 are connected to simultaneously, are used in the U-shaped space surrounded between internal layer top plate 2 and biside plate 3
Tire is set；The outer end edges of each side plate 3, which bend inwards, and to be extended and forms a snap ring 4 by 90 degree.But this prior art
Double-deck rim in the presence of row problem：When bicycle uses solid tire, this wheel dispatch from the factory before be to lean on super glue
Solid tire is attached in the U-shaped space on rim, when bicyclist's high speed steering, because snap ring 4 is straight panel shape, its
On do not constrain, therefore the solid tire on front-wheel is easy to knocking over phenomenon occur, and this phenomenon is more during summer high temperature, this
It is that rim will cover incessantly this tire when more than certain limit because rubber for tire has certain contraction extension rate.And
When bicycle uses aerated rubber tyre, in the case of tyre inflating amount deficiency, therefore rim can also separate with tire.
The content of the invention
In order to solve the above problems, the purpose of this utility model is to provide a kind of bicycle that can prevent tire from departing from
With double-deck rim.
In order to achieve the above object, it is provided by the utility model can prevent tire depart from bicycle use bilayer rim be
The cast structural being made up of ring-shaped outer layer top plate, internal layer top plate and biside plate, wherein outer layer top plate and internal layer top plate be arranged in parallel,
Biside plate is connected to the both ends of outer layer top plate and internal layer top plate simultaneously, is used in the U-shaped space surrounded between internal layer top plate and biside plate
In setting tire；The outer end edges of each side plate, which bend inwards, and to be extended and forms a snap ring by 90 degree, the outer end of each snap ring
Inner layer top plate direction bends 90 degree and extends and form a grab.
Described grab, snap ring and outer layer top plate, internal layer top plate and biside plate are integrally formed.
The outer end edges of described grab are in circular arc, to prevent from damaging rubber tyre.
The bicycle use bilayer rim provided by the utility model that can prevent that tire from departing from is bilayer in prior art
The snap ring outer end of rim forms a grab to extend internally, and rubber tyre is constrained using the grab, therefore can be effective
Prevent rim from being separated each other with rubber tyre.Further, since there is no excessive change to the double-decker coil structures of prior art, because
This will not excessively increase production cost, and installation process does not change.
Brief description of the drawings
Fig. 1 is a kind of currently used double-deck rim front view.
Fig. 2 is the double-deck rim transverse cross shown in Fig. 1.
When Fig. 3 is that the bicycle use bilayer rim provided by the utility model that can prevent that tire from departing from is splitted at diameter
Structural representation.
Embodiment
Below in conjunction with the accompanying drawings with specific embodiment to the bicycle use provided by the utility model that can prevent tire from departing from
Double-deck rim is described in detail.Identical drawing reference numeral is used with prior art identical part.
As shown in figure 3, the bicycle use bilayer rim provided by the utility model that can prevent that tire from departing from is by annular
The cast structural that outer layer top plate 1, internal layer top plate 2 and biside plate 3 are formed, wherein outer layer top plate 1 and internal layer top plate 2 be arranged in parallel,
Biside plate 3 is connected to the both ends of outer layer top plate 1 and internal layer top plate 2, the U-shaped space surrounded between internal layer top plate 2 and biside plate 3 simultaneously
It is interior to be used to set tire；The outer end edges of each side plate 3, which bend inwards, and to be extended and forms a snap ring 4 by 90 degree, each snap ring 4
The direction of outer end inner layer top plate 2 bend and 90 degree and extend and form a grab 5.
Described grab 5, snap ring 4 are integrally formed with outer layer top plate 1, internal layer top plate 2 and biside plate 3.
The outer end edges of described grab 5 are in circular arc, to prevent from damaging rubber tyre.
The assembling of bicycle use bilayer rim provided by the utility model and solid tire or aerated rubber tyre
The same prior art of journey, therefore no longer repeat here, it is not both uniquely that grab 5 is stuck on solid tire or aerated rubber tyre
In corresponding groove.
In use, because the grab 5 of the outer end of snap ring 4 is stuck on solid tire or aerated rubber tyre accordingly
Groove in, constraint thus is formed to solid tire or aerated rubber tyre and tightly blocks the latter, thus even in
Rim will not also separate with tire during summer high temperature.
Claims (3)
1. a kind of bicycle use bilayer rim that can prevent tire from departing from, it is by ring-shaped outer layer top plate (1), internal layer top plate
(2) and the cast structural that forms of biside plate (3), wherein outer layer top plate (1) and internal layer top plate (2) be arranged in parallel, and biside plate (3) is together
When be connected to the both ends of outer layer top plate (1) and internal layer top plate (2), the U-shaped space surrounded between internal layer top plate (2) and biside plate (3)
It is interior to be used to set tire；The outer end edges of each side plate (3), which bend inwards, and to be extended and forms a snap ring (4) by 90 degree, and it is special
Sign is：Outer end inner layer top plate (2) direction of each snap ring (4) bends 90 degree and extends and form a grab (5).
2. the bicycle use bilayer rim according to claim 1 that can prevent tire from departing from, it is characterised in that：Described
Grab (5), snap ring (4) and outer layer top plate (1), internal layer top plate (2) and biside plate (3) are integrally formed.
3. the bicycle use bilayer rim according to claim 1 that can prevent tire from departing from, it is characterised in that：Described
The outer end edges of grab (5) are in circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720992529.5U CN207173172U (en) | 2017-08-09 | 2017-08-09 | A kind of bicycle use bilayer rim that can prevent tire from departing from |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720992529.5U CN207173172U (en) | 2017-08-09 | 2017-08-09 | A kind of bicycle use bilayer rim that can prevent tire from departing from |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207173172U true CN207173172U (en) | 2018-04-03 |
Family
ID=61745627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720992529.5U Active CN207173172U (en) | 2017-08-09 | 2017-08-09 | A kind of bicycle use bilayer rim that can prevent tire from departing from |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207173172U (en) |
-
2017
- 2017-08-09 CN CN201720992529.5U patent/CN207173172U/en active Active
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