Bicycle with adjustable handlebar inclination angle

Abstract

The bicycle comprises a main bicycle body, the main bicycle body comprises a handlebar and a bicycle frame, a connecting arm is fixedly installed at the center of a rod body of the handlebar, a connecting shaft is rotatably installed at one end of the connecting arm, a rotating shaft is installed on one side of the bottom end of the connecting shaft, and the rotating shaft is perpendicular to the connecting shaft. Worm wheels are fixedly mounted on the outer sides of the rotating shafts; a worm is further installed in a pipe body at the front end of the frame and installed on the bottom side of the worm gear in a matched mode, and a rotary knob is installed at the top of the front end of the frame and is in transmission connection with the worm. A first fixing shaft is installed on one side of the connecting arm in a penetrating mode, connecting plates are inserted into the two ends of the first fixing shaft, and the bottom ends of the connecting plates are fixedly connected with the side wall of a front fork of the bicycle through second fixing shafts. Through cooperation of the knob, the first bevel gear and the second bevel gear, a rider can conveniently rotate the worm with one hand to drive the worm gear to drive the rotating shaft to rotate, and the connecting shaft is driven to drive the connecting arm and the handlebar to conduct angle adjustment.

Description

Technical Field

[0001] The utility model belongs to the technical field of bicycles, and more specifically, particularly relates to a bicycle with an adjustable handlebar inclination angle. Background Art

[0002] The handlebar is one of the essential parts of a bicycle. It is the handle that the rider holds with his hands when riding or pushing the bicycle. Without the handlebar, it is impossible to ride a bicycle. The handlebar is generally firmly mounted on the front of the frame, which is equivalent to the steering wheel of a car, and is used to control the direction of the bicycle and maintain the stability of the bicycle. Most existing bicycles do not have the function of flexibly adjusting the inclination of the handlebar during riding. If the angle needs to be adjusted, it is necessary to use tools to loosen the fasteners of the handlebar to adjust it, which has certain operational inconveniences. Therefore, in view of this, the existing structure and defects are studied and improved, and a bicycle with adjustable handlebar inclination is provided, in order to achieve a more practical purpose. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a bicycle with adjustable handlebar inclination, which is achieved by the following specific technical means:

[0004] A bicycle with adjustable handlebar inclination comprises a main body, the main body comprising a handlebar and a frame, a connecting arm fixedly installed at the center position of the handlebar body, a connecting shaft rotatably installed at one end of the connecting arm, a rotating shaft is installed on one side of the bottom end of the connecting shaft, the rotating shaft is vertically arranged with the connecting shaft, and a worm gear is fixedly installed on the outer side of the rotating shaft; both ends of the rotating shaft are rotatably installed in the front end tube body of the frame, and a worm is also installed in the front end tube body of the frame, the worm gear is cooperatively installed on the bottom side of the worm gear, a knob is installed on the front end top of the frame, and the knob is transmission-connected to the worm gear; a fixed shaft 1 is installed through one side of the connecting arm, and connecting plates are inserted at both ends of the fixed shaft 1, and the bottom ends of the connecting plates are fixedly connected to the side walls of the front fork of the bicycle through fixed shaft 2.

[0005] Furthermore, a driving shaft is fixedly installed at the bottom end of the knob, a bevel gear 2 is installed at the bottom end of the driving shaft, a bevel gear 1 is meshed with one side of the bevel gear 2, and the bevel gear 1 is fixedly connected to one end of the worm.

[0006] Furthermore, both ends of the worm are fixedly mounted in the front end tube body of the frame through a mounting frame.

[0007] Furthermore, the connecting plate is arranged parallel to the front fork of the bicycle, and the top end of the connecting plate is provided with an arc groove for connecting with the fixed shaft.

[0008] Furthermore, the top end of the front fork of the bicycle is rotatably mounted on the bottom side of the front end tube body of the frame.

[0009] Furthermore, rotating seats are installed at both ends of the rotating shaft, the rotating seats are circular, and a mounting circular groove for mounting the rotating seats is provided on the side surface of the front end tube body of the frame.

[0010] Furthermore, a bearing is installed at the connection between the drive shaft and the front end tube body of the frame.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The utility model can realize that the rider can conveniently rotate the worm with one hand through the cooperation of the knob, the first bevel gear and the second bevel gear, so as to drive the worm gear to drive the rotating shaft to rotate, and drive the connecting shaft to drive the connecting arm and the handlebar to adjust the angle, so that the handlebar inclination adjustment device of the bicycle has high convenience, thereby realizing that the handlebar inclination of the bicycle can be adjusted according to riders of different body shapes and riding environments, and has high applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 This is a schematic diagram of the handlebar and main body structure of the utility model

[0015] Figure 3 It is a schematic diagram of the handlebar structure of the utility model.

[0016] Figure 4 It is a schematic diagram of the worm structure of the utility model.

[0017] Figure 5 It is a partial structural schematic diagram of the utility model.

[0018] Figure 6 It is a schematic diagram of the installation of the connecting plate of the utility model.

[0019] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0020] 1. Main body; 2. Handlebar; 3. Connecting arm; 4. Connecting shaft; 5. Rotating shaft; 6. Worm gear; 7. Worm; 8. Frame; 9. Rotating seat; 10. Bevel gear 1; 11. Bevel gear 2; 12. Driving shaft; 13. Knob; 14. Fixed shaft 1; 15. Connecting plate; 16. Fixed shaft 2. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0022] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] As attached Figure 1 To Attachment Figure 6 As shown:

[0025] The utility model provides a bicycle with adjustable handlebar inclination, comprising a main body 1, the main body 1 comprising a handlebar 2 and a frame 8, a connecting arm 3 is fixedly installed at the center of the rod body of the handlebar 2, a connecting shaft 4 is rotatably installed at one end of the connecting arm 3, a rotating shaft 5 is installed at one side of the bottom end of the connecting shaft 4, the rotating shaft 5 is vertically arranged with the connecting shaft 4, a worm gear 6 is fixedly installed on the outer side of the rotating shaft 5; both ends of the rotating shaft 5 are rotatably installed in the front end tube body of the frame 8, and the front end tube body of the frame 8 is also provided with a worm gear 6. A worm 7 is installed, and the worm 7 is installed on the bottom side of the worm wheel 6. A knob 13 is installed on the top of the front end of the frame 8, and the knob 13 is connected to the worm 7 in a transmission manner. A fixed shaft 14 is installed on one side of the connecting arm 3, and connecting plates 15 are inserted at both ends of the fixed shaft 14. The bottom ends of the connecting plates 15 are fixedly connected to the side walls of the front fork of the bicycle through fixed shaft 2 16 to ensure that when the handlebar 2 is turned, the front fork can be driven to rotate through the connecting plate 15 to achieve steering during riding.

[0026] Among them, a driving shaft 12 is fixedly installed at the bottom end of the knob 13, and a bevel gear 2 11 is installed at the bottom end of the driving shaft 12. A bevel gear 10 is meshed with one side of the bevel gear 11, and the bevel gear 10 is fixedly connected to one end of the worm 7.

[0027] The two ends of the worm 7 are fixedly mounted in the front end tube of the frame 8 through a mounting frame to ensure that the worm 7 has high stability after installation.

[0028] The connecting plate 15 is arranged parallel to the front fork of the bicycle, and the top of the connecting plate 15 is provided with an arc groove for connecting with the fixed shaft 14, so that when the angle of the connecting arm 3 is adjusted, the fixed shaft 14 can rotate smoothly inside the arc groove.

[0029] The top end of the front fork of the bicycle is rotatably mounted on the bottom side of the front end tube body of the frame 8 .

[0030] Among them, rotating seats 9 are installed at both ends of the rotating shaft 5. The rotating seats 9 are circular, and the side surface of the front end tube body of the frame 8 is provided with a mounting circular groove for mounting the rotating seats 9, so as to improve the stability of the rotating shaft 5 after installation.

[0031] A bearing is installed at the connection between the drive shaft 12 and the front end tube of the frame 8 .

[0032] The working principle of this embodiment is as follows: when the inclination angle of the handlebar 2 needs to be adjusted, the knob 13 is first turned. At this time, the knob 13 drives the bevel gear 2 11 to rotate through the drive shaft 12, the bevel gear 2 11 drives the worm 7 to rotate through the bevel gear 10, the worm 7 drives the rotating shaft 5 to rotate through the worm gear 6, and the rotating shaft 5 drives the connecting arm 3 and the handlebar 2 to rotate through the connecting shaft 4. When the inclination angle of the handlebar 2 is appropriate, stop turning the knob 13 to complete the inclination angle adjustment of the handlebar 2 for the convenience of the user's riding.

[0033] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A bicycle with adjustable handlebar inclination, comprising a main body (1), the main body (1) comprising a handlebar (2) and a frame (8), a connecting arm (3) being fixedly mounted at the center of the handlebar (2), characterized in that: A connecting shaft (4) is rotatably mounted on one end of the connecting arm (3), a rotating shaft (5) is mounted on one side of the bottom end of the connecting shaft (4), the rotating shaft (5) is arranged perpendicular to the connecting shaft (4), and a worm gear (6) is fixedly mounted on the outer side of the rotating shaft (5); both ends of the rotating shaft (5) are rotatably mounted in the front end tube body of the frame (8), and a worm gear (7) is also mounted in the front end tube body of the frame (8), the worm gear (7) is matched and mounted on the bottom side of the worm gear (6), a knob (13) is mounted on the top of the front end of the frame (8), and the knob (13) is transmission-connected to the worm gear (7); a fixed shaft 1 (14) is installed through one side of the connecting arm (3), and connecting plates (15) are inserted at both ends of the fixed shaft 1 (14), and the bottom ends of the connecting plates (15) are fixedly connected to the side wall of the front fork of the bicycle through a fixed shaft 2 (16).

2. The bicycle with adjustable handlebar inclination as claimed in claim 1, characterized in that: A driving shaft (12) is fixedly mounted on the bottom end of the knob (13), a second bevel gear (11) is mounted on the bottom end of the driving shaft (12), a first bevel gear (10) is meshed with one side of the second bevel gear (11), and the first bevel gear (10) is fixedly connected to one end of the worm (7).

3. The bicycle with adjustable handlebar inclination as claimed in claim 1, characterized in that: Both ends of the worm (7) are fixedly mounted in the front end tube body of the vehicle frame (8) via a mounting frame.

4. The bicycle with adjustable handlebar inclination as claimed in claim 1, characterized in that: The connecting plate (15) is arranged parallel to the front fork of the bicycle, and the top end of each connecting plate (15) is provided with an arc groove for connecting to the fixed shaft 1 (14).

5. The bicycle with adjustable handlebar inclination as claimed in claim 1, characterized in that: The top end of the front fork of the bicycle is rotatably mounted on the bottom side of the front end tube body of the frame (8).

6. The bicycle with adjustable handlebar inclination as claimed in claim 1, characterized in that: A rotating seat (9) is installed at both ends of the rotating shaft (5); the rotating seat (9) is circular, and a mounting circular groove for mounting the rotating seat (9) is provided on the side surface of the front end tube body of the vehicle frame (8).

7. The bicycle with adjustable handlebar inclination as claimed in claim 2, characterized in that: A bearing is installed at the connection between the drive shaft (12) and the front end tube body of the frame (8).

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