Bicycle handlebar stem convenient for handlebar adjustment

Abstract

The utility model discloses a bicycle stem convenient for handlebar adjustment. The bicycle stem comprises a stem and a handlebar, the handlebar stem is provided with a vertical part and a transverse straight part, the edge of the lower end of the vertical part is provided with an extending guide support, the guide support is provided with a plurality of threading holes, one end of the transverse straight part is provided with an extending fixing part, the fixing part is matched with a locking piece, and one end of the locking piece is connected with one end of the fixing part in a clamped mode. The other end of the locking piece is fixedly connected with the other end of the fixing part through a screw; a positioning mark is arranged in the middle of the handlebar, angle scales are arranged on the two sides of the mark, and the positioning mark is matched with an observation hole in the locking piece. According to the utility model, one end of the handlebar stem is arranged to be matched and connected with the locking piece through the fixed part, handlebars of different shapes can be conveniently disassembled, assembled and replaced through the separated locking piece, and the observation hole in the locking piece is matched with the angle scales on the handlebars, so that the convenience of adjusting the handlebars is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of bicycles, and in particular relates to a bicycle stem which is convenient for adjusting the handlebars. Background Art

[0002] A bicycle stem is a component that connects the head tube and the handlebars. In the prior art, one end of the stem is sleeved on the head tube and locked by screws, and the other end is sleeved on the handlebars and locked by screws. The handlebars and the stem are adjusted by visual observation. Adjusting the left and right position and pitch angle of the handlebars is difficult to correct by visual observation. In order to improve the convenience of handlebar adjustment, a bicycle stem that facilitates handlebar adjustment is provided. Utility Model Content

[0003] In view of this, the technical problem to be solved by the present invention is to provide a bicycle stem that is convenient for adjusting the handlebars, thereby solving the problem of inconvenient handlebar adjustment in the prior art.

[0004] In order to solve the above technical problems, the utility model discloses a bicycle stem that is convenient for adjusting the handlebars, comprising: a stem and a handlebar; the stem has a vertical portion and a horizontal portion, the top end of the vertical portion is connected to one end of the horizontal portion, and the two form an angle with each other, the bottom end of the vertical portion has a plug-in hole, the side wall of the plug-in hole has a gap notch, fixing holes 1 are provided on both sides of the gap notch, the top end of the vertical portion is provided with a fixing hole 2, an extended guide bracket is provided on the lower end edge of the vertical portion, a plurality of threading holes are provided on the guide bracket, an extended fixing portion is provided at one end of the horizontal portion, the fixing portion cooperates with a locking piece, the cross-section of the fixing piece and the locking piece is arc-shaped, one end of the locking piece is clamped with one end of the fixing piece, and the other end of the locking piece is fixedly connected to the other end of the fixing piece by a screw; a positioning mark is provided in the middle position of the handlebar, angle scales are provided on both sides of the mark, and the positioning mark cooperates with the observation hole on the locking piece.

[0005] Furthermore, the upper portion of the fixing portion has a groove, a clamping protrusion is provided in the groove, and the lower portion of the fixing portion has a fixing hole three.

[0006] Furthermore, the upper portion of the locking member has a snap-fitting hole, and the lower portion thereof has a fixing hole three.

[0007] Furthermore, the above-mentioned observation hole is a quadrilateral.

[0008] Furthermore, two legs extend from the lower portion of the locking member, and each leg has a fixing hole three.

[0009] Furthermore, the positioning mark is a pattern combination of a cross line superimposed on a circular coil.

[0010] Furthermore, the angle scale ranges from -30° to 30°, including scale node values ​​of -15°, 0° and 15°, wherein the node 0° is aligned with the horizontal line in the crosshairs on the positioning mark.

[0011] Compared with the existing technology, this application can achieve the following technical effects:

[0012] The utility model sets one end of the handlebar as a fixed part that is connected to the locking part. The detachable locking part can be easily disassembled and replaced with handlebars of different shapes. The observation hole on the locking part cooperates with the angle scale on the handlebar to improve the convenience of handlebar adjustment.

[0013] Of course, any product implementing this application does not necessarily need to achieve all of the technical effects described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0015] Figure 1 It is a schematic diagram of a stem according to one embodiment of the present invention;

[0016] Figure 2 It is a schematic diagram of the cooperation between the observation hole and the handlebar in one embodiment of the present utility model.

[0017] Figure ID

[0018] Stem 1, handlebar 2, vertical part 3, horizontal part 4, fixing hole one 5, fixing hole two 6, guide bracket 7, threading hole 8, fixing part 9, locking piece 10, positioning mark 11, angle scale 12, observation hole 13, groove 14, snap-fitting protrusion 15, fixing hole three 16, snap-fitting hole 17, support foot 18. DETAILED DESCRIPTION

[0019] The following will describe the implementation methods of the present application in detail with reference to the accompanying drawings and examples, so that the implementation process of how the present application applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0020] Please refer to Figure 1 and Figure 2 , Figure 1 It is a schematic diagram of a stem according to one embodiment of the present invention; Figure 2 It is a schematic diagram of the cooperation between the observation hole and the handlebar in one embodiment of the present utility model.

[0021] A bicycle stem for easy handlebar adjustment comprises: a stem 1 and a handlebar 2; the stem 1 comprises a vertical portion 3 and a horizontal portion 4, the top of the vertical portion 3 is connected to one end of the horizontal portion 4, and the two form an angle with each other, the bottom end of the vertical portion 3 has a plug hole, the side wall of the plug hole has a gap, both sides of the gap are provided with a fixing hole 5, the top of the vertical portion 3 is provided with a fixing hole 6, the lower end edge of the vertical portion 3 is provided with an extended guide bracket 7, the guide bracket 7 is provided with a plurality of threading holes 8, the threading holes The wire hole 8 is convenient for passing the brake wire and the gear shift wire. An extended fixing part 9 is provided at one end of the horizontal part 4, and the fixing part 9 cooperates with the locking part 10. The cross-section of the fixing part 9 and the locking part 10 is arc-shaped. One end of the locking part 10 is clamped with one end of the fixing part 9, and the other end of the locking part 10 is fixedly connected with the other end of the fixing part 9 by screws; a positioning mark 11 is provided in the middle position of the handlebar 2, and angle scales 12 are provided on both sides of the mark. The positioning mark 11 cooperates with the observation hole 13 on the locking part 10.

[0022] The upper portion of the fixing portion 9 has a groove 14, in which a snap-fitting protrusion 15 is provided, and the lower portion of the fixing portion 9 has a fixing hole 16; the upper portion of the locking member 10 has a snap-fitting hole 17, and the lower portion thereof has a fixing hole 16; the observation hole 13 is a quadrilateral; two legs 18 extend from the lower portion of the locking member 10, and the legs 18 have a fixing hole 16; the positioning mark 11 is a combination of a pattern of cross lines superimposed on a circular coil; the angle scale ranges from -30° to 30°, including scale node values ​​of -15°, 0°, and 15°, where the node 0° is aligned with the cross line on the positioning mark 11. The horizontal lines are aligned; the ends of the crosshairs extend to the four edges of the observation hole 13, the scale node values ​​of -15° and 15° are flush with the upper and lower quadrant points of the circular coil of the positioning mark 11, and the scale node values ​​of -30° and 30° are aligned with the upper and lower end points of the vertical line in the crosshairs; the two end points of the horizontal line in the crosshairs are aligned with the edges of the observation hole 13 to ensure that the handlebar 2 is in the middle position, and the handlebar 2 is turned upward so that the upper edge of the circular coil in the positioning mark 11 is tangent to the edge of the observation hole 13, that is, the handlebar 2 is adjusted upward by 15°. According to this method, the left and right and pitch of the handlebar 2 can be conveniently adjusted.

[0023] The utility model sets one end of the stem 1 as a fixed part 9 and a locking part 10 for cooperation connection. The detachable locking part 10 can be easily disassembled and replaced with handlebars 2 of different shapes. The observation hole 13 on the locking part 10 cooperates with the angle scale 12 on the handlebar 2 to improve the convenience of adjusting the handlebar 2.

[0024] The above description shows and describes several preferred embodiments of the present invention. However, as previously mentioned, it should be understood that the present invention is not limited to the form disclosed herein and should not be construed as excluding other embodiments. Instead, the present invention can be used in various other combinations, modifications, and environments and can be modified within the scope of the present invention as taught herein or through the techniques or knowledge in the relevant field. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention are intended to be protected by the claims appended hereto.

Claims

1. A bicycle stem for facilitating handlebar adjustment, comprising: stem and handlebars; It is characterized in that the stem has a vertical portion and a horizontal portion, the top of the vertical portion is connected to one end of the horizontal portion, and the two form an angle with each other, the bottom end of the vertical portion has a plug-in hole, the side wall of the plug-in hole has a gap notch, and fixing holes are provided on both sides of the gap notch, the top of the vertical portion is provided with a fixing hole two, the lower end edge of the vertical portion is provided with an extended guide bracket, the guide bracket is provided with a plurality of threading holes, one end of the horizontal portion is provided with an extended fixing portion, the fixing portion cooperates with the locking piece, the cross-section of the fixing portion and the locking piece is arc-shaped, one end of the locking piece is clamped with one end of the fixing piece, and the other end of the locking piece is fixedly connected to the other end of the fixing piece by a screw; a positioning mark is provided in the middle position of the handlebar, and angle scales are provided on both sides of the mark, and the positioning mark cooperates with the observation hole on the locking piece.

2. The bicycle stem for facilitating handlebar adjustment according to claim 1, wherein: The upper portion of the fixing portion is provided with a groove, in which a clamping protrusion is provided, and the lower portion of the fixing portion is provided with a fixing hole three.

3. The bicycle stem for facilitating handlebar adjustment according to claim 1, wherein: The upper portion of the locking member is provided with a snap-fitting hole, and the lower portion thereof is provided with a fixing hole three.

4. The bicycle stem for facilitating handlebar adjustment according to claim 1, wherein: The observation hole is a quadrilateral.

5. The bicycle stem for facilitating handlebar adjustment according to claim 3, wherein: Two legs extend from the lower part of the locking member, and the legs are provided with fixing holes three.

6. The bicycle stem for facilitating handlebar adjustment according to claim 1, wherein: The positioning mark is a pattern combination of a cross line superimposed on a circular coil.

7. The bicycle stem for facilitating handlebar adjustment according to claim 1, wherein: The angle scale ranges from -30° to 30°, including scale node values ​​of -15°, 0°, and 15°, wherein the node 0° is aligned with the horizontal line in the crosshairs on the positioning mark.

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