阅读说明：本技术 一种自行车前遮挡 (Front shelter for bicycle ) 是由 黄英可 于 2020-08-19 设计创作，主要内容包括：本发明涉及一种自行车前遮挡,包括：前遮挡架及前遮挡布,所述前遮挡架包括前遮挡固定架、前遮挡左绷紧架及前遮挡右绷紧架,所述前遮挡左绷紧架与前遮挡右绷紧架结构相同,均包括：第一定位杆、第二定位杆、第一移动杆、第二移动杆、第一连接件、第二连接件及第三连接件,所述第二定位杆的一端穿入第一定位杆中且可相对于第一定位杆轴向移动,所述第一连接件上设有第一弹簧绷紧机构,所述第二连接件上设有第二弹簧绷紧机构,所述第一移动杆两端分别连接于第一连接件及第二连接件上,所述第二移动杆的一端穿入第一移动杆中且可相对于第一移动杆轴向移动,所述第三连接件与第二定位杆及第二移动杆的自由末端连接,从而可减小骑行时的风阻。(The invention relates to a bicycle front shade, comprising: preceding shelters from frame and preceding shelters from cloth, preceding shelters from the frame including preceding fixed frame, preceding left side of sheltering from tight frame and preceding right side of sheltering from tight frame, preceding left side of sheltering from tight frame is the same with preceding right side of sheltering from tight frame structure, all includes: the bicycle comprises a first positioning rod, a second positioning rod, a first moving rod, a second moving rod, a first connecting piece, a second connecting piece and a third connecting piece, wherein one end of the second positioning rod penetrates into the first positioning rod and can move axially relative to the first positioning rod, a first spring tightening mechanism is arranged on the first connecting piece, a second spring tightening mechanism is arranged on the second connecting piece, the two ends of the first moving rod are respectively connected onto the first connecting piece and the second connecting piece, one end of the second moving rod penetrates into the first moving rod and can move axially relative to the first moving rod, and the third connecting piece is connected with the second positioning rod and the free tail end of the second moving rod so as to reduce wind resistance during riding.)

1. A bicycle front shade, comprising: with frame fixed connection's preceding shelter from the frame and set up the preceding cloth that shelters from in the front on the frame, preceding shelter from the frame and include: shelter from the mount, preceding left side of sheltering from with frame fixed connection and stretch tight frame and preceding right side of sheltering from and stretch tight frame, preceding left side of sheltering from stretches tight frame and preceding right side of sheltering from stretches tight frame structure the same, all includes: the first positioning rod is arranged on the front shielding fixing frame, one end of the second positioning rod penetrates into the first positioning rod and can axially move relative to the first positioning rod, the first connecting piece and the second connecting piece are connected with the front shielding fixing frame or arranged on the first positioning rod and can rotate relative to the front shielding fixing frame, the first connecting piece is provided with a first spring tightening mechanism, the second connecting piece is provided with a second spring tightening mechanism, two ends of the first moving rod are respectively connected with the first connecting piece and the second connecting piece or respectively connected with the first spring tightening mechanism and the second spring tightening mechanism, one end of the second moving rod penetrates into the first moving rod and can axially move relative to the first moving rod, the third connecting piece is connected with the second positioning rod and the free tail end of the second movable rod, and the tail ends of the two sides of the front shielding cloth are fixed on the first movable rod and the second movable rod.

2. A bicycle front shade as defined in claim 1, wherein: the front shielding frame further comprises a transverse connecting piece, two ends of the transverse connecting piece are respectively connected with the tail end of the second positioning rod of the front shielding left tightening frame and the tail end of the second positioning rod of the front shielding right tightening frame, or two ends of the transverse connecting piece are respectively connected with the third connecting piece of the front shielding left tightening frame and the third connecting piece of the front shielding right tightening frame.

3. A bicycle front shade as defined in claim 1, wherein: the first spring tightening mechanism and the second spring tightening mechanism are identical in structure and comprise: the spring seat of the first spring tightening mechanism is fixed on the first connecting piece, and the spring seat of the second spring tightening mechanism is fixed on the second connecting piece.

4. A bicycle front cover as defined in claim 3, wherein: and the jacking rod of the first spring tightening mechanism and the jacking rod of the second spring tightening mechanism are respectively abutted against two ends of the first movable rod.

5. A bicycle front cover as defined in claim 4, wherein: the first connecting piece is provided with a first guide groove, the free end of the first moving rod is provided with a first guide part matched with the first guide groove, the third connecting piece is provided with a second guide groove, the free end of the second moving rod is provided with a second guide part matched with the second guide groove, and the second connecting piece is provided with a third guide groove matched with the first moving rod.

6. A bicycle front cover as defined in claim 3, wherein: the spring holder is provided with a guide hole, the tightening rod penetrates into the guide hole and can axially move in the guide hole, and the tightening rod of the first spring tightening mechanism and the tightening rod of the second spring tightening mechanism are both vertically arranged with the first movable rod and are respectively fixedly connected with the two ends of the first movable rod.

7. The bicycle front shade of claim 6, wherein: and a second guide groove is formed in the third connecting piece, and a second guide part matched with the second guide groove is arranged at the free tail end of the second moving rod.

8. A bicycle front shade as defined in claim 1, wherein: the front shielding fixing frame comprises a first fixing frame fixed at the front end of the frame and a second fixing frame fixed in the middle of the frame, the first fixing frame comprises a first vertical support rod fixedly connected with the frame and a first transverse rod fixedly connected with the first vertical support rod, and the second fixing frame comprises a second vertical support rod fixedly connected with the frame and a second transverse rod fixedly connected with the second vertical support rod.

9. A bicycle front cover as defined in claim 8, wherein: the first positioning rod is arranged on the first transverse rod and the second transverse rod, the first connecting piece is connected to the first transverse rod, and the second connecting piece is connected to the second transverse rod.

10. A bicycle front shade as defined in claim 1, wherein: the free tail end of the first positioning rod is provided with a first tightening bolt, and the free tail end of the second positioning rod is provided with a second tightening bolt.

[ technical field ] A method for producing a semiconductor device

The invention relates to the field of bicycles, in particular to a bicycle front shelter.

[ background of the invention ]

The bicycle is a traditional industry, has a history of more than 100 years, is a favorite transportation and fitness tool of residents of all countries in the world again due to the problems of environmental protection and transportation, is one of the most successful human-powered machines invented by human beings, and is a complex machine consisting of a plurality of simple machines.

The bicycle is divided into two-wheeled bicycle, tricycle and four-wheeled bicycle again, and the place ahead of tricycle and four-wheeled bicycle is sheltered from before generally can setting up and is used for keeping off the sun or keep off the rain, shelters from before among the prior art and generally is fixed structure, and its windage is great, has increased the resistance of riding.

Therefore, there is a need for a bicycle front shade that solves the above problems.

[ summary of the invention ]

To solve the above problems, an object of the present invention is to provide a bicycle front cover that can reduce wind resistance.

In order to achieve the purpose, the invention adopts the technical scheme that: a bicycle front shade, comprising: with frame fixed connection's preceding shelter from the frame and set up the preceding cloth that shelters from in the front on the frame, preceding shelter from the frame and include: shelter from the mount, preceding left side of sheltering from with frame fixed connection and stretch tight frame and preceding right side of sheltering from and stretch tight frame, preceding left side of sheltering from stretches tight frame and preceding right side of sheltering from stretches tight frame structure the same, all includes: the first positioning rod is arranged on the front shielding fixing frame, one end of the second positioning rod penetrates into the first positioning rod and can axially move relative to the first positioning rod, the first connecting piece and the second connecting piece are connected with the front shielding fixing frame or arranged on the first positioning rod and can rotate relative to the front shielding fixing frame, the first connecting piece is provided with a first spring tightening mechanism, the second connecting piece is provided with a second spring tightening mechanism, two ends of the first moving rod are respectively connected with the first connecting piece and the second connecting piece or respectively connected with the first spring tightening mechanism and the second spring tightening mechanism, one end of the second moving rod penetrates into the first moving rod and can axially move relative to the first moving rod, the third connecting piece is connected with the second positioning rod and the free tail end of the second movable rod, and the tail ends of the two sides of the front shielding cloth are fixed on the first movable rod and the second movable rod.

Preferably, a bicycle front shade in the present invention is further configured to: the front shielding frame further comprises a transverse connecting piece, two ends of the transverse connecting piece are respectively connected with the tail end of the second positioning rod of the front shielding left tightening frame and the tail end of the second positioning rod of the front shielding right tightening frame, or two ends of the transverse connecting piece are respectively connected with the third connecting piece of the front shielding left tightening frame and the third connecting piece of the front shielding right tightening frame.

Preferably, a bicycle front shade in the present invention is further configured to: the first spring tightening mechanism and the second spring tightening mechanism are identical in structure and comprise: the spring seat of the first spring tightening mechanism is fixed on the first connecting piece, and the spring seat of the second spring tightening mechanism is fixed on the second connecting piece.

Preferably, a bicycle front shade in the present invention is further configured to: and the jacking rod of the first spring tightening mechanism and the jacking rod of the second spring tightening mechanism are respectively abutted against two ends of the first movable rod.

Preferably, a bicycle front shade in the present invention is further configured to: the first connecting piece is provided with a first guide groove, the free end of the first moving rod is provided with a first guide part matched with the first guide groove, the third connecting piece is provided with a second guide groove, the free end of the second moving rod is provided with a second guide part matched with the second guide groove, and the second connecting piece is provided with a third guide groove matched with the first moving rod.

Preferably, a bicycle front shade in the present invention is further configured to: the spring holder is provided with a guide hole, the tightening rod penetrates into the guide hole and can axially move in the guide hole, and the tightening rod of the first spring tightening mechanism and the tightening rod of the second spring tightening mechanism are both vertically arranged with the first movable rod and are respectively fixedly connected with the two ends of the first movable rod.

Preferably, a bicycle front shade in the present invention is further configured to: and a second guide groove is formed in the third connecting piece, and a second guide part matched with the second guide groove is arranged at the free tail end of the second moving rod.

Preferably, a bicycle front shade in the present invention is further configured to: the front shielding fixing frame comprises a first fixing frame fixed at the front end of the frame and a second fixing frame fixed in the middle of the frame, the first fixing frame comprises a first vertical support rod fixedly connected with the frame and a first transverse rod fixedly connected with the first vertical support rod, and the second fixing frame comprises a second vertical support rod fixedly connected with the frame and a second transverse rod fixedly connected with the second vertical support rod.

Preferably, a bicycle front shade in the present invention is further configured to: the first positioning rod is arranged on the first transverse rod and the second transverse rod, the first connecting piece is connected to the first transverse rod, and the second connecting piece is connected to the second transverse rod.

Preferably, a bicycle front shade in the present invention is further configured to: the free tail end of the first positioning rod is provided with a first tightening bolt, and the free tail end of the second positioning rod is provided with a second tightening bolt.

Compared with the prior art, the invention has the following beneficial effects: the bicycle front shelter has a simple structure and is convenient to install, the front shelter is designed into a foldable structure and a telescopic structure, when the front shelter is required to shield rain, the front shelter left tightening frame and the front shelter right tightening frame are opened at any angle, the second positioning rod and the second moving rod are moved out, when the front shelter is not required to shield rain, the second positioning rod and the second moving rod are moved into the first positioning rod and the first moving rod, part of front shelter cloth is folded, the front shelter left tightening frame and the front shelter right tightening frame are folded, the front shelter cloth is tightened under the state that the front shelter left tightening frame and the front shelter right tightening frame are opened and folded, and therefore wind resistance during riding can be reduced.

[ description of the drawings ]

FIG. 1 is a schematic view of a front shield of a bicycle in embodiment 1 of the present invention.

Fig. 2 is a schematic structural view of a front shielding left tightening frame in embodiment 1 of the present invention.

Fig. 3 is an exploded schematic view of a front shielding left tightening frame in embodiment 1 of the present invention.

Fig. 4 is an exploded view of the front shielding left tightening frame in embodiment 2 of the present invention.

In fig. 1 to 4: 1. a frame, 2, a front shielding frame, 20, a front shielding fixing frame, 200, a first fixing frame, 2000, a first transverse rod, 201, a second fixing frame, 2010, a second vertical supporting rod, 2011, a second transverse rod, 21, a front shielding left tensioning frame, 210, a first positioning rod, 211, a second positioning rod, 212, a first moving rod, 2120, a first guide part, 213, a second moving rod, 2130, a second guide part, 214, a first connecting piece, 2140, a first guide groove, 215, a second connecting piece, 2150, a third guide groove, 216, a third connecting piece, 2160, a second guide groove, 217, a first spring tensioning mechanism, 2170, a first spring seat, 2171, a first spring, 2172, a first tightening rod, 2173, a first guide hole, 218, a second spring tensioning mechanism, 2180, a second spring seat, a second spring, 2182, a second tightening rod, 2183, a front shielding hole, 21822, a front shielding left tensioning frame, 23. transverse connecting piece, 3, front shielding cloth.

[ detailed description ] embodiments

A bicycle front cover in accordance with the present invention is described in further detail below with reference to specific embodiments.