阅读说明：本技术 一种可调节的铝合金车架 (Adjustable aluminum alloy frame ) 是由 不公告发明人 于 2018-06-26 设计创作，主要内容包括：本发明提供一种可调节的铝合金车架,包括前叉安装管、左车架、连接杆一、连接杆二、座垫安装管、右车架以及防护套,所述前叉安装管右端焊接左车架,所述左车架右端固定连接杆二,所述连接杆二安装在右车架左端并延伸入右车架内部,所述右车架焊接在座垫安装管左端,所述右车架左端固定有连接杆一,所述连接杆一安装在左车架右端并延伸入左车架内部,所述左车架安装在防护套左端并延伸入防护套内部,该设计可实现调整车架长度,本发明便于使用,提升舒适度,加大适用范围。(The invention provides an adjustable aluminum alloy frame which comprises a front fork installation pipe, a left frame, a first connecting rod, a second connecting rod, a seat cushion installation pipe, a right frame and a protective sleeve.)

1. The utility model provides an aluminum alloy frame with adjustable, includes front fork installation pipe (1), left frame (2), connecting rod (3), connecting rod two (4), seatpad installation pipe (5), right frame (6) and lag (7), its characterized in that: the right end of the front fork mounting tube (1) is welded with a left frame (2), the right end of the left frame (2) is fixedly connected with a second connecting rod (4), the second connecting rod (4) is arranged at the left end of the right frame (6) and extends into the right frame (6), the right frame (6) is welded at the left end of the seat cushion mounting pipe (5), a first connecting rod (3) is fixed at the left end of the right frame (6), the first connecting rod (3) is arranged at the right end of the left frame (2) and extends into the left frame (2), the first connecting rod (3) is arranged on the inner side of the second connecting rod (4), the left frame (2) is arranged at the left end of the protective sleeve (7) and extends into the protective sleeve (7), a protective sleeve (7) is arranged at the left end of the right frame (6) and extends into the protective sleeve (7), and a first connecting rod (3) and a second connecting rod (4) are arranged in the protecting sleeve (7).

2. An adjustable aluminum alloy vehicle frame as set forth in claim 1, wherein: connecting rod one (3) and connecting rod two (4) all are equipped with two, two connecting rod one (3) symmetry is fixed at right frame (6) left end, two connecting rod two (4) symmetry is fixed at left frame (2) right-hand member, two be equipped with two connecting rod one (3) between connecting rod two (4), left side frame (2) are connected through two connecting rod one (3) and two connecting rod two (4) with right frame (6).

3. An adjustable aluminum alloy vehicle frame as set forth in claim 1, wherein: two first guide holes are formed in the right end of the left frame (2), a first connecting rod (3) is arranged inside the first guide holes, the first connecting rod (3) extends out of the right end of the first guide holes, two second guide holes are machined in the left end of the right frame (6), a second connecting rod (4) is arranged inside the second guide holes, and the second connecting rod (4) extends out of the second left ends of the guide holes.

4. An adjustable aluminum alloy vehicle frame as set forth in claim 1, wherein: two fastening bolts are symmetrically installed at the upper end and the lower end of the protective sleeve (7) and are installed at the outer end of the second connecting rod (4), the fastening bolts penetrate through the protective sleeve (7) and the right frame (6) and are connected with the second connecting rod (4), and the fastening bolts are connected with the protective sleeve (7) and the right frame (6) through threads respectively.

5. An adjustable aluminum alloy vehicle frame as set forth in claim 1, wherein: both ends symmetry is equipped with two locking bolt around lag (7), and both ends around left frame (2) are installed to two locking bolt, and two locking bolt all are connected with lag (7) through the screw thread.

Technical Field

The invention relates to an adjustable aluminum alloy frame, belonging to the technical field of bicycle frames.

Background

The frame is as the skeleton of whole bicycle, and furthest decides, has influenced the exactness and the travelling comfort of posture of riding, and the frame material evolves the aluminum alloy from the earliest chromium molybdenum steel, and the advantage lies in hardness and the rigidity performance of light in weight, short time best, and current aluminum alloy frame all is the monolithic type, causes the unable adjustment of length of frame to make the distance between handlebar and the seatpad unable change, but different personnel arm length is different, can influence some personnel and use, feels uncomfortable, and application scope is poor.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an adjustable aluminum alloy frame, which is used for solving the problems in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an aluminum alloy frame with adjustable, includes front fork installation pipe, left frame, connecting rod one, connecting rod two, seatpad installation pipe, right frame and lag, front fork installation pipe right-hand member welding left frame, left side frame right-hand member fixed connection pole two, connecting rod two is installed inside right frame left end and extend into right frame, right side frame welding is at seatpad installation pipe left end, right side frame left end is fixed with connecting rod one, connecting rod one is installed inside left frame right-hand member and extends into left frame, connecting rod one is installed at two inboards of connecting rod, left side frame is installed inside the lag left end and extends into the lag, right side frame left end is equipped with the lag and extends into inside the lag, inside connecting rod one and the connecting rod two of being equipped with of lag.

Furthermore, the first connecting rod and the second connecting rod are arranged, the first connecting rod is symmetrically fixed at the left end of the right frame, the second connecting rod is symmetrically fixed at the right end of the left frame, the first connecting rod is arranged between the first connecting rod and the second connecting rod, and the left frame is connected with the right frame through the first connecting rod and the second connecting rod.

Furthermore, two first guide holes are formed in the right end of the left frame, a first connecting rod is arranged inside the first guide holes, the first connecting rod extends out of the right end of the first guide holes, two second guide holes are formed in the left end of the right frame, a second connecting rod is arranged inside the second guide holes, and the second connecting rod extends out of the left end of the second guide holes.

Furthermore, two fastening bolts are symmetrically installed at the upper end and the lower end of the protective sleeve and installed at the outer ends of the two connecting rods, the fastening bolts penetrate through the protective sleeve and the right frame to be connected with the two connecting rods, and the fastening bolts are connected with the protective sleeve and the right frame through threads respectively.

Further, both ends symmetry is equipped with two locking bolts around the lag, and both ends around the left frame are installed to two locking bolts, and two locking bolts all are connected with the lag through the screw thread.

The invention has the beneficial effects that: the invention relates to an adjustable aluminum alloy frame, which is characterized in that a front fork mounting pipe, a left frame, a first connecting rod, a second connecting rod, a seat cushion mounting pipe, a right frame and a protective sleeve are added, the front fork mounting pipe can be unscrewed, then the front fork mounting pipe is moved leftwards, further the left frame is moved leftwards along the protective sleeve, so that the second connecting rod moves leftwards along a guide hole on the right frame, meanwhile, the left frame moves leftwards, so that the first connecting rod and the guide hole can move relatively, after the left frame moves to a proper position, a person stops moving the left frame, then the fastening bolt is screwed, the length of the frame is adjusted, the use is convenient, the comfort level is improved, the application range is enlarged, the problem that the length of the frame cannot be adjusted due to the fact that the existing aluminum alloy frames are all integral is solved, the distance between a handlebar and the seat cushion cannot be changed, the use of some people can be influenced, the feeling is uncomfortable, the application range is poor and the like.

Due to the fact that the locking bolt is added, the locking bolt can be rotated before adjustment, so that the locking bolt is separated from the left frame, adjustment can be conducted, after adjustment is completed, the locking bolt is rotated again, the left frame can be extruded, and the protective sleeve can be further fastened.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of an adjustable aluminum alloy frame of the present invention;

FIG. 2 is a perspective view of an adjustable aluminum alloy frame of the present invention;

in the figure: 1-a front fork mounting pipe, 2-a left frame, 3-a first connecting rod, 4-a second connecting rod, 5-a cushion mounting pipe, 6-a right frame and 7-a protective sleeve.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides an aluminum alloy frame with adjustable, including front fork installation pipe 1, left side frame 2, connecting rod one 3, connecting rod two 4, seatpad installation pipe 5, right side frame 6 and lag 7, front fork installation pipe 1 right-hand member welding left side frame 2, left side frame 2 right-hand member fixed connection pole two 4, connecting rod two 4 are installed at right frame 6 left end and are extended into right frame 6 inside, right frame 6 welds at seatpad installation pipe 5 left end, right frame 6 left end is fixed with connecting rod one 3, connecting rod one 3 is installed at left frame 2 right-hand member and are extended into left frame 2 inside, connecting rod one 3 is installed at connecting rod two 4 inboardly, left side frame 2 is installed at lag 7 left ends and is extended into lag 7 inside, right frame 6 left end is equipped with lag 7 and is extended into lag 7 inside, lag 7 inside is equipped with connecting rod one 3 and connecting rod two 4.

Two connecting rods I3 and two connecting rods II 4 are arranged, the two connecting rods I3 are symmetrically fixed at the left end of a right frame 6, the two connecting rods II 4 are symmetrically fixed at the right end of a left frame 2, the two connecting rods I3 are arranged between the two connecting rods II 4, the left frame 2 is connected with the right frame 6 through the two connecting rods I3 and the two connecting rods II 4, the right end of the left frame 2 is provided with two guide holes I, the connecting rods I3 are arranged in the guide holes I, the connecting rods I3 extend out from the right end of the guide holes I, the left end of the right frame 6 is provided with two guide holes II, the connecting rods II 4 are arranged in the guide holes II, the two fastening bolts are symmetrically arranged at the upper end and the lower end of a protective sleeve 7 and are connected with the connecting rods II 4 by penetrating through the protective sleeve 7 and the right frame 6, and fastening bolt is connected with lag 7 and right frame 6 respectively through the screw thread, and both ends symmetry is equipped with two lock bolts around lag 7, and two lock bolts install both ends around left frame 2, and two lock bolts all are connected with lag 7 through the screw thread.