Adjustable stem

Abstract

The utility model discloses an adjustable stem which comprises an upper vertical pipe, a lower vertical pipe and a connector. The lower end of the upper vertical pipe is inserted into the lower vertical pipe, and the depth of the upper vertical pipe inserted into the lower vertical pipe is adjustable; the top of the upper vertical pipe is provided with a locking chuck used for locking the transverse pipe. The bottom of the lower vertical pipe is connected with the top of the connector through an angle adjusting mechanism; and a connecting part connected with a vehicle body is arranged at the bottom of the connector. The lower end of the upper vertical pipe is inserted into the lower vertical pipe, the depth of the part, inserted into the lower vertical pipe, of the upper vertical pipe is adjustable, meanwhile, the bottom of the lower vertical pipe is connected with the top of the connector through the angle adjusting mechanism, the inclination angle of the handlebar stem can be adjusted through the angle adjusting mechanism, height adjustment can be achieved, and the handlebar stem is suitable for different people; and the inclination angle of the handlebar stem can be adjusted according to the arm length of the rider, so that the riding experience of the rider is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle handlebar technology field especially is involved in a kind of adjustable handlebar. BACKGROUND

[0002] Bicycle, electric vehicle, scooter and so on vehicle are installed with handlebar pipe for hand, and upper vertical pipe and lower vertical pipe are usually provided on handlebar pipe to connect the front fork vertical pipe of vehicle.The handlebar tube of conventional vehicle is fixed structure, which has high structural strength, but it cannot be applied to different people, so its adaptation range is limited.Therefore, more and more vehicles, especially bicycles, adopt adjustable structure, but this brings another problem: at present, most of the handlebars of existing bicycles can only be adjusted up and down, and cannot adjust the angle of handlebar according to the length of the arm of the rider, so the riding experience of the rider is not good.

[0003] Therefore, it is necessary to design an adjustable handlebar to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at the deficiency of prior art, and provides an adjustable handlebar.

[0005] The technical scheme of the utility model is as follows: an adjustable handlebar, comprising upper vertical pipe, lower vertical pipe and connecting head; the lower end of the upper vertical pipe is inserted into the lower vertical pipe, and the depth of the upper vertical pipe inserted into the lower vertical pipe is adjustable; the top of the upper vertical pipe is provided with locking chuck for locking horizontal pipe; the bottom of the lower vertical pipe is connected with the top of the connecting head through angle adjusting mechanism; the bottom of the connecting head is provided with connecting part connected with vehicle body.

[0006] The top of the lower vertical pipe is provided with insertion hole matched with the upper vertical pipe; the mouth of the insertion hole is provided with first locking gap, and the gap of the mouth of the lower vertical pipe is provided with pipe clamp.

[0007] The angle adjusting mechanism comprises two locking knobs arranged symmetrically; the top of the connecting head is provided with spline hole; the bottom of the lower vertical pipe is provided with connecting lug on both sides; the connecting lug is provided with locking hole corresponding to the spline hole; a circle of first bevel gears is arranged at the hole mouth of the locking hole; the inner end of the locking knob is provided with spline shaft matched with the spline hole, and the outer end is provided with second bevel gear matched with the first bevel gear at the hole mouth of the locking hole, and the two locking knobs are connected through screw rod.

[0008] The connecting part comprises connecting hole arranged at the bottom of the connecting head; the hole mouth of the connecting hole is provided with screw thread; the side surface of the bottom of the connecting head is provided with second locking gap connected with the connecting hole; locking blocks are arranged on both sides of the second locking gap, and the opposite two locking blocks are connected through locking screw.

[0009] The top of the connecting head is provided with a stepped hole communicated with the connecting hole.

[0010] With the technical scheme, the utility model has the following beneficial effects: the lower end of the upper riser is inserted into the lower riser, and the depth of the upper riser inserted into the lower riser is adjustable, meanwhile, the bottom of the lower riser is connected with the top of the connecting head through the angle adjusting mechanism, the angle of the handle riser can be adjusted through the angle adjusting mechanism, not only the height can be adjusted to adapt to different people, but also the angle of the handle riser can be adjusted according to the length of the arms of the rider, thereby improving the riding experience of the rider. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to make the content of the utility model more easily and clearly understood, the utility model is further described in detail below according to specific embodiments and in combination with the drawings.

[0012] Fig. 1 It is a structural schematic view of the utility model.

[0013] Fig. 2 It is a structural schematic view of the lower riser of the utility model.

[0014] Fig. 3 It is a structural schematic view of the connecting head of the utility model.

[0015] Fig. 4 It is a structural schematic view of the angle adjusting mechanism of the utility model.

[0016] The reference signs in the drawings are:

[0017] The upper riser 1, the lower riser 2, the connecting ear 2-1, the locking hole 2-2, the first bevel gear 2-3, the connecting head 3, the spline hole 3-1, the stepped hole 3-2, the locking chuck 4, the first locking gap 5, the angle adjusting mechanism 6, the locking knob 6-1, the spline shaft 6-2, the second bevel gear 6-3, the connecting part 7, the connecting hole 7-1, the second locking gap 7-2, the locking block 7-3 and the locking screw 7-4. DETAILED DESCRIPTION

[0018] (Embodiment 1)

[0019] See Figs. 1 to 4 The adjustable handle riser of the embodiment comprises an upper riser 1, a lower riser 2 and a connecting head 3; the lower end of the upper riser 1 is inserted into the lower riser 2, and the depth of the upper riser 1 inserted into the lower riser 2 is adjustable; the top of the upper riser 1 is provided with a locking chuck 4 for locking a cross pipe; the bottom of the lower riser 2 is connected with the top of the connecting head 3 through an angle adjusting mechanism 6; and the bottom of the connecting head 3 is provided with a connecting part 7 connected with a vehicle body.

[0020] Further, in order to facilitate the cooperation of the upper stand pipe 1 and the lower stand pipe 2, the top of the lower stand pipe 2 is provided with a socket matched with the upper stand pipe 1; the mouth of the socket is provided with a first locking gap 5, and the gap of the mouth of the lower stand pipe 2 is provided with a pipe clamp (not shown in the figure) so as to facilitate the adjustment of the depth of the upper stand pipe 1 inserted into the lower stand pipe 2.

[0021] Further, the angle adjusting mechanism 6 comprises two symmetrically arranged locking knobs 6-1; the top of the connecting head 3 is provided with a spline hole 3-1; the bottom of the lower stand pipe 2 is provided with a connecting lug 2-1 on both sides; the connecting lug 2-1 is provided with a locking hole 2-2 corresponding to the spline hole 3-1; the mouth of the locking hole 2-2 is provided with a ring of first bevel gears 2-3; the inner end of the locking knob 6-1 is provided with a spline shaft 6-2 matched with the spline hole 3-1, and the outer end is provided with a second bevel gear 6-3 matched with the first bevel gear 2-3 at the mouth of the locking hole 2-2, and the two locking knobs 6-1 are connected by a screw rod (not shown in the figure), specifically, when the inclination angle of the handlebar needs to be adjusted, the screw rod is rotated to separate one of the locking knobs 6-1 from the screw rod, the lower stand pipe 2 is turned to the appropriate angle, and then the locking knob 6-1 separated from the screw rod is installed in the spline hole 3-1 at the top of the connecting head 3, and is pressed tightly, so that the second bevel gear on the locking knob 6-1 is tightly matched with the first bevel gear at the mouth of the locking hole, and then the two locking knobs are connected by the screw rod, and the adjustment of the inclination angle is completed.

[0022] Further, in order to facilitate the connection of the connecting head 3 and the vehicle body, the connecting part 7 comprises a connecting hole 7-1 provided at the bottom of the connecting head 3; the mouth of the connecting hole 7-1 is provided with a thread; the side surface of the bottom of the connecting head 3 is provided with a second locking gap 7-2 in communication with the connecting hole 7-1; the two sides of the second locking gap 7-2 are provided with locking blocks 7-3, and the two locking blocks 7-3 are connected by a locking screw 7-4.

[0023] Further, the top of the connecting head 3 is provided with a stepped hole 3-2 in communication with the connecting hole 7-1, and the locking screw 7-4 can be arranged in the connecting hole 7-1 to connect with the vehicle body, further ensuring the stability of the connection between the connecting head 3 and the vehicle body.

[0024] The lower end of the upper stand pipe 1 of the adjustable handlebar of the embodiment is inserted into the lower stand pipe 2, and the depth of the upper stand pipe 1 inserted into the lower stand pipe 2 is adjustable, and the bottom of the lower stand pipe 2 is connected with the top of the connecting head 3 through the angle adjusting mechanism 6, and the inclination angle of the handlebar can be adjusted through the angle adjusting mechanism 6, not only the height can be adjusted to adapt to different people, but also the inclination angle of the handlebar can be adjusted according to the length of the arms of the rider, thereby improving the riding experience of the rider.

[0025] The above-described specific embodiments further specifically describe the purposes, technical solutions and beneficial effects of the present application, and it should be understood that the above-described specific embodiments are merely examples of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An adjustable handlebar, characterized by: The utility model provides a kind of vertical pipe, including upper vertical pipe (1), lower vertical pipe (2) and connecting head (3);The lower end of the upper vertical pipe (1) is inserted in lower vertical pipe (2), and the depth of upper vertical pipe (1) insertion lower vertical pipe (2) is adjustable;The top of the upper vertical pipe (1) is equipped with locking chuck (4) for locking cross pipe;The bottom of the lower vertical pipe (2) is connected with the top of connecting head (3) by angle adjusting mechanism (6);The bottom of the connecting head (3) is equipped with connecting part (7) connected with vehicle body.

2. An adjustable stem as defined in claim 1, wherein: The top of the lower vertical pipe (2) is equipped with the insertion hole matched with the upper vertical pipe (1);The mouth of the insertion hole is equipped with first locking gap (5), and the gap of the mouth of lower vertical pipe (2) is equipped with pipe clamp.

3. An adjustable handlebar according to claim 1, wherein: The angle adjusting mechanism (6) includes two locking knobs (6-1) arranged symmetrically;The top of the connecting head (3) is equipped with spline hole (3-1);The bottom of the lower vertical pipe (2) is equipped with connecting lug (2-1) on both sides;The connecting lug (2-1) is equipped with locking hole (2-2) corresponding to spline hole (3-1);The hole of the locking hole (2-2) is equipped with a circle of first bevel gear (2-3);The inner end of the locking knob (6-1) is equipped with spline shaft (6-2) matched with spline hole (3-1), and the outer end is equipped with second bevel gear (6-3) matched with the first bevel gear (2-3) at the hole of locking hole (2-2), and two locking knobs (6-1) are connected by screw rod.

4. An adjustable handlebar according to claim 1, wherein: The connecting part (7) includes connecting hole (7-1) arranged at the bottom of the connecting head (3);The hole of the connecting hole (7-1) is equipped with thread;The side of the bottom of the connecting head (3) is equipped with second locking gap (7-2) communicated with the connecting hole (7-1);The two sides of the second locking gap (7-2) are equipped with locking block (7-3), and the opposite two locking blocks (7-3) are connected by locking screw (7-4).

5. An adjustable handlebar according to claim 4, characterised in that: The top of the connecting head (3) is equipped with stepped hole (3-2) communicated with the connecting hole (7-1).

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