阅读说明：本技术 一种自行车顶棚 (Bicycle ceiling ) 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顶棚,包括：顶棚架及顶棚布,所述顶棚架包括：顶棚固定架、顶棚左绷紧架及顶棚右绷紧架,所述顶棚左绷紧架与顶棚右绷紧架结构相同,均包括：定位杆、移动杆、第一连接件及第二连接件,所述定位杆安装于顶棚固定架上,所述第一连接件及第二连接件与顶棚固定架连接或者安装于定位杆上且可相对于顶棚固定架转动,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,所述移动杆两端分别连接于第一连接件及第二连接件上或者分别连接于第一弹簧绷紧机构及第二弹簧绷紧机构上,所述顶棚布两侧末端固定于移动杆上,所述移动杆通过所述弹簧绷紧机构的弹力绷紧顶棚布,从而大大减小了骑行时的风阻。(The present invention relates to a bicycle roof, comprising: ceiling frame and ceiling cloth, the ceiling frame includes: ceiling mount, ceiling left side tighten frame and ceiling right side tighten frame, the ceiling left side tighten frame is the same with the ceiling right side tighten frame structure, all includes: the device comprises a positioning rod, a moving rod, a first connecting piece and a second connecting piece, wherein the positioning rod is installed on a ceiling fixing frame, the first connecting piece and the second connecting piece are connected with the ceiling fixing frame or installed on the positioning rod and can rotate relative to the ceiling fixing frame, a first spring tightening mechanism is arranged on the first connecting piece, a second spring tightening mechanism is arranged on the second connecting piece, two ends of the moving rod are respectively connected onto the first connecting piece and the second connecting piece or respectively connected onto the first spring tightening mechanism and the second spring tightening mechanism, the tail ends of two sides of the ceiling cloth are fixed on the moving rod, and the moving rod tightens the ceiling cloth through the elastic force of the spring tightening mechanism, so that the wind resistance during riding is greatly reduced.)

1. A bicycle canopy, comprising: with frame fixed connection's ceiling frame and set up the ceiling cloth on the ceiling frame, the ceiling frame includes: with frame fixed connection's ceiling mount, the left tight frame of ceiling and the right tight frame of ceiling, the left tight frame of ceiling is the same with the right tight frame structure of ceiling, all includes: the device comprises a positioning rod, a moving rod, a first connecting piece and a second connecting piece, wherein the positioning rod is installed on a ceiling fixing frame, the first connecting piece and the second connecting piece are connected with the ceiling fixing frame or installed on the positioning rod and can rotate relative to the ceiling fixing frame, a first spring tightening mechanism is arranged on the first connecting piece, a second spring tightening mechanism is arranged on the second connecting piece, two ends of the moving rod are respectively connected onto the first connecting piece and the second connecting piece or respectively connected onto the first spring tightening mechanism and the second spring tightening mechanism, the tail ends of two sides of the ceiling cloth are fixed on the moving rod, and the moving rod tightens the ceiling cloth through the elastic force of the first spring tightening mechanism and the second spring tightening mechanism.

2. A cycle roof as claimed 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.

3. A cycle roof as claimed in claim 2, 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 movable rod.

4. A cycle roof as claimed in claim 2, wherein: the spring holder is provided with a guide hole, the puller rod penetrates into the guide hole and can axially move in the guide hole, and the puller rod of the first spring tightening mechanism and the puller rod of the second spring tightening mechanism are both vertically arranged with the movable rod and are respectively fixedly connected with the two ends of the movable rod.

5. A cycle roof as claimed in claim 1, wherein: the first connecting piece is provided with a first guide groove, one end of the moving rod is provided with a first guide part matched with the first guide groove, the second connecting piece is provided with a second guide groove, and the other end of the moving rod is provided with a second guide part matched with the second guide groove.

6. A cycle roof as claimed in claim 1, wherein: the ceiling fixing frame comprises a first fixing frame fixed in the middle of the frame and a second fixing frame fixed at the tail 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.

7. A cycle roof as claimed in claim 6, wherein: the positioning rod is arranged on the first transverse rod and the second transverse rod.

8. A cycle roof as claimed in claim 6, wherein: the first connecting piece is connected to the first transverse rod, and the second connecting piece is connected to the second transverse rod.

9. A cycle roof as claimed in claim 1, wherein: one free tail end of the positioning rod is provided with a first tightening bolt, and the other free tail end of the 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 ceiling.

[ 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 quadricycle again, and tricycle and quadricycle's top can set up the ceiling generally and be used for keeping off the sun or keep off the rain, and the ceiling among the prior art generally is fixed structure, and its windage is great, has increased the resistance of riding.

Therefore, there is a need for a bicycle roof that solves the above-mentioned problems.

[ summary of the invention ]

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

In order to achieve the purpose, the invention adopts the technical scheme that: a bicycle canopy, comprising: with frame fixed connection's ceiling frame and set up the ceiling cloth on the ceiling frame, the ceiling frame includes: with frame fixed connection's ceiling mount, the left tight frame of ceiling and the right tight frame of ceiling, the left tight frame of ceiling is the same with the right tight frame structure of ceiling, all includes: the device comprises a positioning rod, a moving rod, a first connecting piece and a second connecting piece, wherein the positioning rod is installed on a ceiling fixing frame, the first connecting piece and the second connecting piece are connected with the ceiling fixing frame or installed on the positioning rod and can rotate relative to the ceiling fixing frame, a first spring tightening mechanism is arranged on the first connecting piece, a second spring tightening mechanism is arranged on the second connecting piece, two ends of the moving rod are respectively connected onto the first connecting piece and the second connecting piece or respectively connected onto the first spring tightening mechanism and the second spring tightening mechanism, the tail ends of two sides of the ceiling cloth are fixed on the moving rod, and the moving rod tightens the ceiling cloth through the elastic force of the first spring tightening mechanism and the second spring tightening mechanism.

Preferably, a bicycle roof 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 roof 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 movable rod.

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

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

Preferably, a bicycle roof in the present invention is further configured to: the ceiling fixing frame comprises a first fixing frame fixed in the middle of the frame and a second fixing frame fixed at the tail 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 roof in the present invention is further configured to: the positioning rod is arranged on the first transverse rod and the second transverse rod.

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

Compared with the prior art, the invention has the following beneficial effects: the bicycle ceiling is simple in structure and convenient to install, the ceiling is designed into a foldable structure, when the ceiling is required to shield rain, the left ceiling tightening frame and the right ceiling tightening frame are opened at any angle, when the ceiling is not required to shield rain, the left ceiling tightening frame and the right ceiling tightening frame are folded, and the ceiling cloth is tightened when the left ceiling tightening frame and the right ceiling tightening frame are opened and folded, so that the wind resistance during riding can be reduced.

[ description of the drawings ]

Fig. 1 is a schematic perspective view of a bicycle roof according to embodiment 1 of the present invention.

Fig. 2 is a schematic side view of a bicycle roof according to embodiment 1 of the present invention.

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

Fig. 4 is an exploded schematic view of a left ceiling tightening frame in embodiment 2 of the present invention.

In fig. 1 to 4: 1. the roof tensioning device comprises a frame, 2, a roof frame, 20, a roof fixing frame, 200, a first fixing frame, 2000, a first vertical support rod, 2001, a first transverse rod, 201, a second fixing frame, 2010, a second vertical support rod, 2011, a second transverse rod, 21, a roof left tensioning frame, 210, a positioning rod, 211, a moving rod, 2110, a first guide portion, 2111, a second guide portion, 212, a first connecting piece, 2120, a first guide groove, 213, a second connecting piece, 2130, a second guide groove, 214, a first spring tensioning mechanism, 2140, a spring seat, 2141, a spring, 2142, a jacking rod, 2143, a guide hole, 215, a second spring tensioning mechanism, 22, a right roof tensioning frame, 3 and roof cloth.

[ detailed description ] embodiments

A bicycle canopy according to the present invention is described in further detail below with reference to specific embodiments.