CN215622494U

CN215622494U - Connection locking mechanism for handlebar and front fork tube of two-wheel vehicle

Info

Publication number: CN215622494U
Application number: CN202023289164.0U
Authority: CN
Inventors: 马鹤岭; 马鹤峰
Original assignee: Taizhou Feima Bicycle Parts Co ltd
Current assignee: Taizhou Feima Bicycle Parts Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2022-01-25
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a connection locking mechanism of a bicycle handlebar and a front fork tube, wherein a position locking connection mechanism is arranged between the upper part of the front fork tube (1) of the bicycle and the lower part of a handlebar vertical tube (2), a locking binding ring (3) is sleeved at the bottom of the handlebar vertical tube (2), the upper part of the front fork tube (1) is inserted into the lower part of the handlebar vertical tube (2), and the upper part of the front fork tube (1) is fixedly connected with the lower part of the handlebar vertical tube (2) through the position locking connection mechanism and then is locked by the locking binding ring (3). The utility model can prevent the handle bar vertical pipe from rotating or loosening when being connected with the front fork pipe, thereby effectively improving the safety of the vehicle and avoiding the loss of the handle bar.

Description

Connection locking mechanism for handlebar and front fork tube of two-wheel vehicle

Technical Field

The utility model relates to a connecting and locking mechanism for a handlebar and a front fork tube of a two-wheel vehicle.

Background

The handlebar riser of present two-wheel vehicle handlebar passes through locking screw and directly is connected with the front fork, but this kind of structure probably still has not hard up possibility, has fallen down or when receiving the impact when the car, causes the rotation of handlebar very easily for handlebar connection is unstable, causes the handlebar damage of vehicle easily and also can cause the emergence of incident.

Disclosure of Invention

The utility model provides a connecting and locking mechanism of a handlebar and a front fork tube of a two-wheel vehicle, which can prevent a handlebar vertical tube from rotating or loosening when being connected with the front fork tube, thereby effectively improving the safety of the vehicle and avoiding the handlebar from being lost.

The utility model adopts the following technical scheme: a position locking connection mechanism is arranged between the upper portion of a front fork tube of a two-wheel vehicle and the lower portion of a handle vertical tube, a locking binding ring is sleeved at the bottom of the handle vertical tube, the upper portion of the front fork tube is inserted into the lower portion of the handle vertical tube, and the handle vertical tube is locked through the locking binding ring after the position fixing connection is formed between the upper portion of the front fork tube and the lower portion of the handle vertical tube through the position locking connection mechanism.

The position locking and connecting mechanism mainly comprises a left positioning hole I, a right positioning hole I, a left positioning hole II and a right positioning hole II, the left positioning hole I, the right positioning hole I are symmetrically distributed on two sides of the lower portion of the handlebar vertical pipe, the left positioning hole II and the right positioning hole II are symmetrically distributed on two sides of the upper portion of the front fork pipe, after the upper portion of the front fork pipe is inserted into the lower portion of the handlebar vertical pipe, the left positioning hole I of the handlebar vertical pipe corresponds to the left positioning hole II of the front fork pipe, the right positioning hole I of the handlebar vertical pipe corresponds to the right positioning hole II of the front fork pipe, a positioning connecting piece penetrates through the left positioning hole I, the left positioning hole II, the right positioning hole II and the right positioning hole I, and the upper portion of the front fork pipe is connected with the lower portion of the handlebar vertical pipe in a positioning mode.

The left positioning hole I and the right positioning hole I of the handlebar vertical pipe are radially and symmetrically distributed on two sides of the lower portion of the handlebar vertical pipe, the left positioning hole II and the right positioning hole II of the front fork pipe are radially and symmetrically distributed on two sides of the upper portion of the front fork pipe, and the positioning connecting piece radially penetrates through the left positioning hole I, the left positioning hole II, the right positioning hole II and the right positioning hole I to enable the upper portion of the front fork pipe to be in positioning connection with the lower portion of the handlebar vertical pipe.

The positioning connecting piece is set to be a positioning pin or a locking screw. The locking collar comprises an arc-shaped hoop sleeve, a left clamping piece and a right clamping piece are respectively arranged at two ends of the hoop sleeve, a left mounting hole is formed in the left clamping piece, a right mounting hole is formed in the right clamping piece, the hoop sleeve is sleeved on the lower portion of the handlebar vertical pipe and locked on the handlebar vertical pipe by inserting a fastening piece into the left mounting hole and the right mounting hole. The arc-shaped hoop is a semicircular hoop. The lower surface of the handlebar vertical pipe is provided with an axial inverted U-shaped vertical groove, and the left clamping piece and the right clamping piece are symmetrically arranged on two sides of the inverted U-shaped vertical groove. The left clamping piece and the right clamping piece are both provided with arc-shaped clamping pieces. The fastener is set as a fastening screw. After the hoop sleeve is sleeved on the lower part of the handlebar vertical pipe, the hoop sleeve and the handlebar vertical pipe are connected in a spot welding mode.

The utility model has the following beneficial effects: after the technical scheme is adopted, the position locking connecting mechanism is arranged between the upper part of the front fork tube of the two-wheel vehicle and the lower part of the handle vertical tube, the locking binding ring is sleeved at the bottom of the handle vertical tube, the upper part of the front fork tube is inserted into the lower part of the handle vertical tube, the upper part of the front fork tube is fixedly connected with the lower part of the handle vertical tube through the position locking connecting mechanism and then is locked through the locking binding ring, so that the handle vertical tube can be prevented from rotating or loosening when being connected with the front fork tube, the handle is prevented from being separated from the front fork tube when being used for a long time or being impacted by external force, safety accidents or damage of the vehicle caused by unstable connection are avoided, the safety of the vehicle is effectively improved, and meanwhile, the handle is prevented from being lost. The locking collar and the position locking connecting mechanism have simple structures, convenient connection and good locking and connecting stability. After the hoop sleeve is sleeved on the lower part of the handlebar vertical pipe, the hoop sleeve and the handlebar vertical pipe are connected in a spot welding mode, and therefore the stability of connection of the hoop sleeve and the handlebar vertical pipe can be improved. The axial inverted U-shaped vertical groove is formed in the surface of the lower portion of the handlebar vertical pipe, the left clamping piece and the right clamping piece are symmetrically arranged on two sides of the inverted U-shaped vertical groove, and therefore the installation of the position locking connecting mechanism is facilitated, the installation is convenient, the elasticity of the handlebar vertical pipe can be increased, and the handlebar vertical pipe can be locked more effectively through the hoop sleeve.

Drawings

FIG. 1 is a schematic view of the upper portion of the front fork tube of the present invention inserted into the lower portion of the handlebar stem.

FIG. 2 is a side view of the upper portion of the front fork tube inserted into the lower portion of the handlebar stem connection in accordance with the present invention.

FIG. 3 is a schematic structural view of the lower portion of the handlebar stem of the present invention.

Detailed Description

In the figures 1, 2 and 3, the utility model provides a connection locking mechanism of a bicycle handlebar and a front fork tube, a position locking connection mechanism is arranged between the upper part of the front fork tube 1 of the bicycle and the lower part of a handlebar stem 2, a locking binding ring 3 is sleeved at the bottom of the handlebar stem 2, the upper part of the front fork tube 1 is inserted into the lower part of the handlebar stem 2, the upper part of the front fork tube 1 is fixedly connected with the lower part of the handlebar stem 2 through the position locking connection mechanism and then locks the handlebar stem 2 through the locking binding ring 3, the position locking connection mechanism mainly comprises a left positioning hole I4, a right positioning hole I5, a left positioning hole II 6 and a right positioning hole II 7, the left positioning hole I4 and the right positioning hole I5 are symmetrically distributed at the two sides of the lower part of the handlebar stem 2, the left positioning hole II 6 and the right positioning hole II 7 are symmetrically distributed at the two sides of the upper part of the front fork tube 1, after the upper part of the front fork tube 1 is inserted into the lower part of the handlebar stem 2, the left positioning hole I4 of the handlebar vertical pipe 2 corresponds to the left positioning hole II 6 of the front fork pipe 1, the right positioning hole I5 of the handlebar vertical pipe 2 corresponds to the right positioning hole II 7 of the front fork pipe 1, the positioning connecting piece 8 penetrates through the left positioning hole I4, the right positioning hole I5, the left positioning hole II 6 and the right positioning hole II 7, the positioning connecting piece 8 is set to be a positioning pin or a locking screw, the positioning connecting piece 8 penetrates through the left positioning hole I4, the left positioning hole II 6, the right positioning hole II 7 and the right positioning hole I5 to form positioning connection between the upper portion of the front fork pipe 1 and the lower portion of the handlebar vertical pipe 2, the left positioning hole I4 and the right positioning hole I5 of the handlebar vertical pipe 2 of the embodiment are radially and symmetrically distributed on two sides of the lower portion of the handlebar vertical pipe 2, the left positioning hole II 6 and the right positioning hole II 7 of the front fork pipe 1 are radially and symmetrically distributed on two sides of the upper portion of the front fork pipe (1), and the positioning connecting piece 8 radially penetrates through the left positioning hole I4, The upper portion of the front fork tube 1 and the lower portion of the handlebar vertical tube 2 are connected in a positioning mode through the left positioning hole II 6, the right positioning hole II 7 and the right positioning hole I5, the locking binding ring 3 comprises an arc-shaped hoop sleeve 9, the arc-shaped hoop sleeve 9 is arranged into a semicircular hoop sleeve, a left clamping piece 10 and a right clamping piece 11 are arranged at two ends of the hoop sleeve 9 respectively, a left mounting hole 12 is formed in the left clamping piece 10, a right mounting hole 13 is formed in the right clamping piece 11, the hoop sleeve 9 is sleeved on the lower portion of the handlebar vertical tube 2, the hoop sleeve 9 is locked on the handlebar vertical tube 2 through the fasteners 14 inserted into the left mounting hole 12 and the right mounting hole 13, an axial inverted U-shaped vertical groove 15 is formed in the surface of the lower portion of the handlebar vertical tube 2, the left clamping piece 10 and the right clamping piece 11 are symmetrically arranged on two sides of the inverted U-shaped vertical groove 15, and the left clamping piece 10 and the right clamping piece 11 are arranged into arc-shaped clamping pieces, the fastening piece 14 is set as a fastening screw, the hoop 9 is sleeved on the lower portion of the handlebar vertical pipe 2, and the hoop 9 is connected with the handlebar vertical pipe 2 through spot welding.

The using method of the utility model comprises the following steps: the upper part of a front fork tube 1 is inserted into the lower part of a handlebar stand tube 2, the position between the front fork tube 1 and the handlebar stand tube 2 is rotationally adjusted, so that a left positioning hole I4 of the handlebar stand tube 2 corresponds to a left positioning hole II 6 of the front fork tube 1, a right positioning hole I5 of the handlebar stand tube 2 corresponds to a right positioning hole II 7 of the front fork tube 1, positioning pins penetrate through the left positioning hole I4, the right positioning hole I5, the left positioning hole II 6 and the right positioning hole II 7, the positioning pins radially penetrate through the left positioning hole I4, the left positioning hole II 6, the right positioning hole II 7 and the right positioning hole I5 to form positioning connection between the upper part of the front fork tube 1 and the lower part of the handlebar stand tube 2, then an arc-shaped hoop sleeve 9 of a locking binding ring 3 is sleeved on the lower part of the handlebar stand tube 2, the hoop sleeve 9 is connected with the handlebar stand tube 2 in a spot welding mode, and a fastener 14 is inserted into a left mounting hole 12 of a left clamping piece 10 and a right mounting hole 13 of a right clamping piece 11 to lock the hoop sleeve 9 on the handlebar stand tube 2.

Claims

1. The utility model provides a locking mechanism is connected with front fork tube to bicycle handlebar, be equipped with position locking coupling mechanism between the upper portion of two-wheeled car front fork tube (1) and handlebar riser (2) lower part, the bottom cover of handlebar riser (2) has locking binding ring (3), insert in the lower part of handlebar riser (2) on the upper portion of front fork tube (1), form the locking binding ring (3) through locking binding ring (3) after position fixed connection is passed through to the upper portion of front fork tube (1) and the lower part of handlebar riser (2).

2. The connecting and locking mechanism of the handlebar and the front fork of the two-wheeled vehicle as claimed in claim 1, wherein the position locking and connecting mechanism mainly comprises a left positioning hole I (4), a right positioning hole I (5), a left positioning hole II (6) and a right positioning hole II (7), the left positioning hole I (4) and the right positioning hole I (5) are symmetrically distributed on two sides of the lower part of the handlebar stem (2), the left positioning hole II (6) and the right positioning hole II (7) are symmetrically distributed on two sides of the upper part of the front fork (1), the upper part of the front fork (1) is inserted into the lower part of the handlebar stem (2), the left positioning hole I (4) of the handlebar stem (2) corresponds to the left positioning hole II (6) of the front fork (1), the right positioning hole I (5) of the handlebar stem (2) corresponds to the right positioning hole II (7) of the front fork (1), and the left positioning hole I (4), the right positioning hole I (5) and the right positioning hole I (7) are formed in the left positioning hole I (4), And the left positioning hole II (6) and the right positioning hole II (7) penetrate through a positioning connecting piece (8), and the positioning connecting piece (8) penetrates through the left positioning hole I (4), the left positioning hole II (6), the right positioning hole II (7) and the right positioning hole I (5) to form positioning connection between the upper part of the front fork tube (1) and the lower part of the handlebar vertical tube (2).

3. The connecting and locking mechanism of the handlebar and the front fork tube of the two-wheeled vehicle as claimed in claim 2, wherein the left positioning hole I (4) and the right positioning hole I (5) of the handlebar vertical tube (2) are radially and symmetrically distributed on two sides of the lower part of the handlebar vertical tube (2), the left positioning hole II (6) and the right positioning hole II (7) of the front fork tube (1) are radially and symmetrically distributed on two sides of the upper part of the front fork tube (1), and the positioning connecting piece (8) radially penetrates through the left positioning hole I (4), the left positioning hole II (6), the right positioning hole II (7) and the right positioning hole I (5) to carry out positioning connection between the upper part of the front fork tube (1) and the lower part of the handlebar vertical tube (2).

4. The connecting and locking mechanism for a handlebar and a front fork of a two-wheeled vehicle as claimed in claim 2 or 3, characterized in that the positioning connecting piece (8) is provided as a positioning pin or a locking screw.

5. The connecting and locking mechanism of the handlebar and the front fork of the two-wheeled vehicle as claimed in claim 1, wherein the locking collar (3) comprises an arc-shaped hoop sleeve (9), a left clamping member (10) and a right clamping member (11) are respectively arranged at two ends of the hoop sleeve (9), a left mounting hole (12) is arranged on the left clamping member (10), a right mounting hole (13) is arranged on the right clamping member (11), the hoop sleeve (9) is sleeved on the lower portion of the handlebar stem (2), and the hoop sleeve (9) is locked on the handlebar stem (2) by inserting a fastening member (14) into the left mounting hole (12) and the right mounting hole (13).

6. The handlebar and fork joint locking mechanism for motorcycles as claimed in claim 5, wherein said arcuate band (9) is a semicircular band.

7. The connecting and locking mechanism for the handlebar and the front fork of the two-wheeled vehicle as claimed in claim 5, wherein the lower surface of the handlebar stem (2) is provided with an axial inverted U-shaped vertical groove (15), and the left clamping member (10) and the right clamping member (11) are symmetrically arranged on two sides of the inverted U-shaped vertical groove (15).

8. The locking mechanism for connecting a handlebar with a front fork of a bicycle according to claim 5 or 7, characterized in that the left clamping member (10) and the right clamping member (11) are both provided as arc-shaped clamping pieces.

9. The connecting and locking mechanism for a handlebar and a fork tube of a bicycle according to claim 5, characterized in that the fastening member (14) is configured as a fastening screw.

10. The connecting and locking mechanism for the handlebar and the front fork of the two-wheeled vehicle as claimed in claim 5, wherein the hoop (9) is sleeved on the lower portion of the handlebar stem (2), and the hoop (9) is connected with the handlebar stem (2) in a spot welding manner.