CN220865582U

CN220865582U - Quick-dismantling locking telescopic type vertical pipe

Info

Publication number: CN220865582U
Application number: CN202322751095.8U
Authority: CN
Inventors: 施国妥
Original assignee: Shenzhen Xidesheng Bicycle Co Ltd
Current assignee: Shenzhen Xidesheng Bicycle Co Ltd
Priority date: 2023-10-12
Filing date: 2023-10-12
Publication date: 2024-04-30
Anticipated expiration: 2033-10-12

Abstract

The utility model discloses a quick-dismantling locking telescopic type vertical pipe, which comprises a front end square pipe, a rear end square pipe, a bushing and a cam locking mechanism, wherein the bushing is embedded into the inner side of a front end opening of the rear end square pipe, the rear end of the front end square pipe is inserted into the bushing, the front end square pipe can slide back and forth relative to the bushing, a first through hole is formed in the side part of the rear end square pipe, a second through hole is formed in the side part of the bushing, a strip-shaped groove hole extending along the front-back direction is formed in the side part of the front end square pipe, a cam part of the cam locking mechanism is abutted to the outer wall of the rear end square pipe, a pull rod connected with the cam part in a rotating mode sequentially penetrates through the first through hole, the second through hole and the strip-shaped groove hole, a limiting block at the end part of the pull rod is abutted to the inner wall of the front end square pipe, and the rear end square pipe, and the cam locking mechanism is pressed to the side part of the rear end square pipe to lock the rear end square pipe, the bushing and the front end square pipe. The utility model not only can flexibly adjust the length of the vertical pipe, but also is convenient for locking and unlocking operations, thereby better meeting the application requirements of most people on flexibly adjusting the holding gesture.

Description

Quick-dismantling locking telescopic type vertical pipe

Technical Field

The utility model relates to a bicycle, in particular to a quick-dismantling locking telescopic type vertical pipe.

Background

In the structure of the vertical tube of the traditional bicycle, the front end is used for locking the handle bar, the rear end opening tube is used for locking the front fork vertical tube, and the front end and the rear end are welded and fixed through the middle tube, namely the forward extension of the vertical tube is fixed. For the motorcycle types with different wheel diameters, the stand pipes with different forward extension lengths are matched to meet the riding holding postures of people with different heights, meanwhile, the front end and the rear end of the stand pipe are locked by locking screws, so that the position and the holding posture of a handlebar are fixed, the whole handlebar and the stand pipe are simple in structure, the structure of the handlebar is subjected to integral forming, the holding posture of the handlebar cannot be freely adjusted according to personal requirements, the structure of the existing stand pipe can only be passively matched with the position of the handlebar to adjust the arm posture, and the application requirements of most people on flexibly adjusting the holding posture cannot be met.

Disclosure of utility model

The utility model aims to solve the technical problem of providing a quick-dismantling locking telescopic type vertical pipe which can flexibly adjust the length of the vertical pipe and is convenient for locking operation.

In order to solve the technical problems, the utility model adopts the following technical scheme.

The utility model provides a quick detach lock solid telescopic riser, its is including front end side pipe, rear end side pipe, bush and cam locking mechanism, the bush inlay and locate the front end opening inboard of rear end side pipe, the rear end of front end side pipe inserts in the bush, just the front end side pipe can be relative the bush back and forth slip, the lateral part of rear end side pipe is equipped with first through-hole, the lateral part of bush is equipped with the second through-hole, the lateral part of front end side pipe is equipped with the bar slotted hole that extends along the fore-and-aft direction, cam locking mechanism's cam portion butt in the outer wall of rear end pipe, with the pull rod that cam portion rotated and is connected passes in proper order first through-hole the second through-hole with the bar slotted hole, the stopper of pull rod tip with the inner wall butt cooperation of front end side pipe is through to the lateral part of rear end side pipe is pressed cam locking mechanism will the rear end side pipe the bush with the front end pipe lock solid.

Preferably, the first through hole is formed in the top side of the rear end square tube, the second through hole is formed in the top side of the bushing, and the strip-shaped slot hole is formed in the top side of the front end square tube.

Preferably, the front end of the bushing is formed with an outer edge, and the outer edge is clamped to the front end opening edge of the rear end square tube.

Preferably, the front end of front end side pipe is equipped with first staple bolt subassembly, first staple bolt subassembly is used for fixed handlebar.

Preferably, the outer edge is arc-shaped, and the outer edge is coated at the rear end of the first hoop assembly.

Preferably, the bushing is a plastic bushing.

Preferably, the rear end of rear end side pipe is equipped with the second staple bolt subassembly, the second staple bolt subassembly is used for fixed front fork standpipe.

Preferably, the handle of the cam lock mechanism is "Y" shaped.

In the quick-dismantling locking telescopic type vertical pipe disclosed by the utility model, the bushing is inserted into the front end of the rear end pipe, the front end square pipe is inserted into the bushing and can slide forwards and backwards, the bushing is used for protecting and improving the tightness between the rear end square pipe and the front end pipe, the cam locking mechanism is used for locking and unlocking adjustment, when the handle of the cam locking mechanism is lifted upwards for unlocking, the front and rear positions of the front end pipe relative to the bushing and the rear end square pipe can be adjusted based on the matching relation between the pull rod and the strip-shaped slotted hole, and when the telescopic length of the front end square pipe is adjusted to a proper position, the handle of the cam locking mechanism is pressed again, and the rear end square pipe, the bushing and the front end pipe are locked by the cam locking mechanism. Compared with the prior art, the utility model not only can flexibly adjust the length of the vertical pipe, but also is convenient for locking and unlocking operations, thereby better meeting the application requirements of most people on flexibly adjusting the holding gesture.

Drawings

FIG. 1 is an exploded view of the quick release locking telescoping riser of the present utility model;

FIG. 2 is a top view of a quick release locking telescoping riser of the present utility model;

FIG. 3 is a side view of the telescopic riser of the present utility model;

FIG. 4 is a side view of a second embodiment of the quick release locking telescoping riser of the present utility model.

Detailed Description

The utility model is described in more detail below with reference to the drawings and examples.

The utility model discloses a quick-dismantling locking telescopic type vertical pipe, which is shown in the combination of fig. 1 to 4, and comprises a front end square pipe 1, a rear end pipe 2, a bushing 3 and a cam locking mechanism 4, wherein the bushing 3 is embedded in the inner side of a front end opening of the rear end pipe 2, the rear end of the front end square pipe 1 is inserted into the bushing 3, the front end square pipe 1 can slide back and forth relative to the bushing 3, a first through hole 20 is arranged on the side part of the rear end pipe 2, a second through hole 30 is arranged on the side part of the bushing 3, a strip-shaped slotted hole 10 extending along the front-rear direction is arranged on the side part of the front end square pipe 1, a cam part 40 of the cam locking mechanism 4 is abutted against the outer wall of the rear end pipe 2, a pull rod 41 rotatably connected with the cam part 40 sequentially penetrates through the first through hole 20, the second through hole 30 and the strip-shaped slotted hole 10, a limiting block 42 at the end part of the pull rod 41 is abutted against the inner wall of the front end square pipe 1, and the front end square pipe 1 is locked by pressing the side part of the rear end square pipe 2 to the cam locking mechanism 4 along the front end square pipe 1.

In the above structure, the sleeve 3 is inserted into the front end of the rear end pipe 2, the front end square pipe 1 is inserted into the sleeve 3 and can slide back and forth, the sleeve 3 is used for protecting and improving the sealing effect between the rear end square pipe 2 and the front end pipe 1, the cam locking mechanism 4 is used for locking and unlocking adjustment according to the states shown in fig. 3 and 4, when the handle of the cam locking mechanism 4 is lifted and unlocked upwards, the front and back positions of the front end square pipe 1 relative to the sleeve 3 and the rear end square pipe 2 can be adjusted based on the matching relation between the pull rod 41 and the bar-shaped slotted hole 10, and when the telescopic length of the front end square pipe 1 is adjusted to a proper position, the handle of the cam locking mechanism 4 is pressed again, and the rear end square pipe 2, the sleeve 3 and the front end square pipe 1 are locked and locked by the cam locking mechanism 4. Compared with the prior art, the utility model not only can flexibly adjust the length of the vertical pipe, but also is convenient for locking and unlocking operations, thereby better meeting the application requirements of most people on flexibly adjusting the holding gesture.

For convenience, as shown in fig. 2 to 4, the first through hole 20 is formed on the top side of the rear end pipe 2, the second through hole 30 is formed on the top side of the liner 3, and the bar-shaped slot 10 is formed on the top side of the front end square pipe 1. In this embodiment, the first through hole 20, the second through hole 30, and the bar-shaped slot 10 are all holes opened upwards, and accordingly, the cam locking mechanism 4 is disposed at the top of the rear end pipe 2, so that a user can conveniently perform a front operation on the cam locking mechanism 4.

In order to prevent the liner 3 from retracting into the rear end pipe 2, in this embodiment, an outer edge 31 is formed at the front end of the liner 3, and the outer edge 31 is engaged with the front end opening edge of the rear end pipe 2. In the above configuration, the bush 3 can be restricted to the distal end of the rear-end square pipe 2 based on the engagement relationship between the outer edge 31 and the edge of the rear-end pipe 2.

In this embodiment, the front end of front end side pipe 1 is equipped with first staple bolt subassembly 11, first staple bolt subassembly 11 is used for fixed handlebar. Further, the outer edge 31 is arc-shaped, and the outer edge 31 is wrapped at the rear end of the first hoop assembly 11. Wherein, convex outer edge 31 can with first staple bolt subassembly 11 laminate more closely, avoid appearing great gap.

Preferably, the bushing 3 is a plastic bushing. Wherein, plastic bush can better be in rear end pipe 2 with front end side pipe 1 implements the protection, can also improve the compactness of junction simultaneously.

Accordingly, in order to facilitate connection with the front fork standpipe, in this embodiment, the rear end of the rear end pipe 2 is provided with a second hoop assembly 21, and the second hoop assembly 21 is used for fixing the front fork standpipe.

As a preferred mode, referring to fig. 2, the handle of the cam lock mechanism 4 has a "Y" shape.

Compared with the prior art, the vertical pipe is divided into the front part and the rear part, the plastic bushing is additionally arranged in the middle of the vertical pipe to be precisely fixed, and then the vertical pipe is locked and adjusted in a quick-release mode, so that the control of the front elongation of the vertical pipe is realized, meanwhile, the telescopic square pipe at the front end of the vertical pipe is provided with a strip-shaped lock hole, the telescopic length is convenient to finely adjust back and forth, the processing and the operation of a rider are convenient, and the adjustable application requirement of the vertical pipe of the handlebar can be effectively improved.

The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the present utility model, and modifications, equivalent substitutions or improvements made within the technical scope of the present utility model should be included in the scope of the present utility model.

Claims

1. A quick-dismantling locking telescopic type vertical pipe is characterized by comprising a front end square pipe (1), a rear end square pipe (2), a bushing (3) and a cam locking mechanism (4), the lining (3) is embedded inside the front end opening of the rear end pipe (2), the rear end of the front end square tube (1) is inserted into the bushing (3), the front end square tube (1) can slide back and forth relative to the bushing (3), the side part of the rear end pipe (2) is provided with a first through hole (20), the side part of the bushing (3) is provided with a second through hole (30), the side part of the front end square tube (1) is provided with a strip-shaped slotted hole (10) extending along the front-back direction, the cam part (40) of the cam locking mechanism (4) is abutted against the outer wall of the rear end pipe (2), a pull rod (41) rotatably connected with the cam part (40) sequentially passes through the first through hole (20), the second through hole (30) and the strip-shaped slotted hole (10), a limiting block (42) at the end part of the pull rod (41) is in abutting fit with the inner wall of the front end pipe (1), the rear end pipe (2), the bush (3) and the front end square pipe (1) are locked by pressing the cam lock mechanism (4) against the side of the rear end pipe (2).

2. The quick release locking telescopic riser according to claim 1, wherein the first through hole (20) is formed in the top side of the rear end pipe (2), the second through hole (30) is formed in the top side of the bushing (3), and the bar-shaped slot hole (10) is formed in the top side of the front end square pipe (1).

3. The quick release locking telescopic riser according to claim 1, wherein an outer edge (31) is formed at the front end of the bushing (3), and the outer edge (31) is clamped to the front end opening edge of the rear end pipe (2).

4. A quick release locking telescopic riser according to claim 3, wherein the front end of the front end square tube (1) is provided with a first anchor ear assembly (11), and the first anchor ear assembly (11) is used for fixing a handlebar.

5. The quick release locking telescopic riser according to claim 4, wherein the outer edge (31) is arc-shaped, and the outer edge (31) is coated at the rear end of the first hoop assembly (11).

6. A quick release locking telescoping riser as claimed in claim 1, wherein said bushing (3) is a plastic bushing.

7. The quick release locking telescopic riser according to claim 1, wherein a second anchor ear assembly (21) is arranged at the rear end of the rear end pipe (2), and the second anchor ear assembly (21) is used for fixing a front fork riser.

8. The quick release locking telescoping riser of claim 1, wherein the handle of the cam lock mechanism (4) is "Y" shaped.