CN218617036U

CN218617036U - Improved vertical pipe folding mechanism

Info

Publication number: CN218617036U
Application number: CN202222338522.5U
Authority: CN
Inventors: 卞建忠; 汤超炜; 任联; 赵忠华; 刘毅
Original assignee: Jiangyin Haihong New Energy Technology Co ltd
Current assignee: Jiangyin Haihong New Energy Technology Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-03-14
Anticipated expiration: 2032-09-02

Abstract

The utility model relates to the technical field of vehicles, specifically indicate an improved riser folding mechanism, including folding seat of honour and folding seat of honour, folding seat of honour and folding seat of honour all rigid coupling have the riser, folding seat of honour one side and folding seat of honour one side through pivot one rotation connection, thereby realize the riser folding, the opposite side of folding seat of honour is connected with folding seat of honour block through multiple locking mechanism, multiple locking mechanism includes bent axle round pin, handle, upper lock catch and lower lock catch, and structural operation is simple, can realize folding operation through unblock locking piece, and can realize multiple locking, has promoted the security of use; but this novel mechanism key unblock, the operation is more convenient, more makes things convenient for users such as women, students to use, has more marketability.

Description

Improved vertical pipe folding mechanism

Technical Field

The utility model relates to the technical field of vehicles, specifically indicate a modified riser folding mechanism.

Background

The folding component is a structure which is unfolded when in use and folded when not in use, can be generally repeatedly used, has small volume after being folded and is convenient to transport and store, and is widely applied to daily life. For example, in the field of vehicles (electric bicycles, scooters, balance cars), folding assemblies enable the vehicle to remain small when not in use, thereby facilitating portability and storage.

Electric bicycles, electric scooters and the like are short-distance travel tools, and are mostly foldable mechanisms for convenient carrying and storage, namely, a vertical pipe of the travel tool can swing relative to a frame, so that folding is realized; the nut is easy to shake to cause looseness during vehicle running, and the use safety is not high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the improved vertical pipe folding mechanism is simple in structure and operation, can realize folding operation by unlocking the locking piece, can realize multiple locking, and improves the use safety; but this novel mechanism key unblock, the operation is more convenient, more makes things convenient for users such as women, students to use, has more marketability.

The utility model adopts the following technical scheme: the improved vertical pipe folding mechanism comprises a folding upper seat and a folding lower seat, wherein vertical pipes are fixedly connected to the folding upper seat and the folding lower seat, one side of the folding upper seat is rotationally connected with one side of the folding lower seat through a shaft pin, so that the vertical pipes are folded, the other side of the folding upper seat is connected with the folding lower seat in a clamped mode through a multiple locking mechanism, the multiple locking mechanism comprises a crank pin, a handle, an upper lock catch and a lower lock catch, the crank pin is rotationally arranged on the other side of the folding upper seat, the handle is arranged on the crank pin, the upper lock catch is rotationally arranged on the other side of the folding upper seat through a shaft pin and located on the inner side of the crank pin, the upper lock catch is located between the handle and the folding upper seat, the lower lock catch is arranged on the folding lower seat, the upper lock catch is in clamped connection with the lower lock catch to achieve first locking, the handle is rotationally driven to rotate the crank pin to enable a protruding portion on the crank pin to rotate to press the outer side of the upper lock catch to achieve second locking, a clamping connection is arranged on the handle, and a clamping connection is arranged on the wrench.

As a further optimization of the scheme, a mounting groove is arranged in the handle, and the clamping wrench is slidably arranged in the mounting groove and is clamped into a clamping groove on an upper lock buckle which is fastened with a lower lock buckle after sliding out from the mounting groove.

As a further optimization of the scheme, an elastic piece is sleeved on the second shaft pin, and two ends of the elastic piece are respectively connected with the folding upper seat and the upper lock catch.

Preferably, a boss is arranged on one side of the folding upper seat or the folding lower seat close to the first shaft pin.

Preferably, the free end of the upper lock catch and the free end of the lower lock catch are provided with convex teeth which can be buckled with each other.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows:

according to the scheme, the upper folding seat and the lower folding seat which are riveted with each other are locked in a triple mode by using a multiple locking mechanism, a bolt and nut locking mode is abandoned, and the upper folding seat and the lower folding seat are stably and quickly connected through triple clamping, so that the upper folding seat and the lower folding seat can be quickly switched between a locking state and an unlocking state;

this scheme can drive the joint spanner and break away from the draw-in groove through dialling the joint spanner outward when the unblock, then upwards rotates the handle, makes bent axle round pin bulge keep away from last hasp, goes up the hasp this moment and bounces under the torsional spring effect and break away from with lower hasp, and the unblock is accomplished to a key promptly, simple structure, whole unblock process simple operation is laborsaving.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is an overall exploded view of the improved riser folding mechanism of the present solution;

FIG. 2 is a state diagram of the improved structure of the present invention showing the upper and lower latches being fastened together;

FIG. 3 is a diagram illustrating the rotation of the crankshaft pin of the improved standpipe folding mechanism according to the present embodiment;

FIG. 4 is a locking state diagram of the folding upper seat and the folding lower seat of the improved stand pipe folding mechanism of the scheme;

FIG. 5 is a view showing the state of the improved folding upper seat and the folding lower seat of the stand pipe folding mechanism in the present embodiment unlocked;

FIG. 6 is the internal structure view of the improved stand pipe folding mechanism of the present solution;

FIG. 7 is a schematic structural view of a clamping wrench of a riser folding mechanism according to the improvement of the present embodiment;

FIG. 8 is a schematic structural diagram of a crankshaft pin of the improved riser folding mechanism of the present solution.

The foldable upper seat comprises 1, 2, a foldable lower seat, 3, a vertical pipe, 4, first shaft pins, 5, a crank pin, 6, a handle, 7, an upper lock catch, 8, a lower lock catch, 9, a clamping wrench, 10, a clamping groove, 11, a torsion spring, 12, a lock cover, 13, a convex tooth, 14, a protrusion, 15 and a second shaft pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1-8, the improved vertical pipe folding mechanism of the present invention includes a folding upper seat 1 and a folding lower seat 2, a vertical pipe 3 is fixedly connected to both the folding upper seat 1 and the folding lower seat 2, one side of the folding upper seat 1 is rotatably connected to one side of the folding lower seat 2 through a first shaft pin 4, so as to fold the vertical pipe 3, the other side of the folding upper seat 1 is connected to the folding lower seat 2 through a multiple locking mechanism in a snap-fit manner, the multiple locking mechanism includes a crank pin 5, a handle 6, an upper latch 7 and a lower latch 8, the crank pin 5 is rotatably arranged at the other side of the folding upper seat 1, the handle 6 is arranged on the crank pin 5, the upper latch 7 is rotatably arranged at the other side of the folding upper seat 1 through a second shaft pin 15 and is arranged at the inner side of the crank pin 5, the upper latch 7 is arranged between the handle 6 and the folding upper seat 1, the lower latch 8 is fixed on the folding lower seat 2 through a bolt, a free end of the upper latch 7 and a free end of the lower latch 8 are provided with a protruding tooth 13 capable of being fastened to each other, a first locking groove is arranged on the handle, the handle 6 is rotated to drive the crank pin 5 to rotate a protrusion 14 of the crank pin to rotate to realize a pressing portion of the upper latch 5, a wrench, a second latch 9 is arranged on the outer side of the wrench, and a third locking groove 10 is arranged on the wrench.

As shown in fig. 7, a mounting groove is provided in the handle 6, the latch wrench 9 is slidably disposed in the mounting groove and slides out of the mounting groove to be clamped into a slot 10 on the upper latch 7 fastened to the lower latch 8, and the opening of the mounting groove on the processing side is blocked by a lock cover 12.

As shown in fig. 6, a torsion spring 11 is sleeved on the second shaft pin 15, two ends of the torsion spring 11 are respectively connected with the upper folding seat 1 and the upper lock catch 7, when unlocking is required, the wrench 9 is clamped and connected by dialing, then the handle 6 is rotated upwards, the protruding part 14 of the crank pin 5 is enabled to be away from the upper lock catch 7, at the moment, the upper lock catch 7 is bounced off under the action of the torsion spring 11 to be separated from the lower lock catch 8, and unlocking is completed by one key.

A boss is arranged on one side, close to the first shaft pin 4, of the upper folding seat 1 or the lower folding seat 2, and the boss can be used for limiting the folding angle between the two groups of stand pipes 3 on the upper folding seat 1 and the lower folding seat 2.

according to the scheme, the folding upper seat 1 and the folding lower seat 2 which are riveted with each other are locked in a triple mode by using a multiple locking mechanism, a bolt and nut locking mode is abandoned, and the folding upper seat 1 and the folding lower seat 2 are stably and quickly connected through triple clamping, so that the folding upper seat 1 and the folding lower seat 2 can be quickly switched between a locking state and an unlocking state;

this scheme can drive joint spanner 9 and break away from draw-in groove 10 through dialling joint spanner 9 outward when the unblock, then upwards turning handle 6 makes 5 protruding 14 parts of bent axle keep away from last hasp 7, goes up hasp 7 this moment and bounces under the torsional spring 11 effect and breaks away from with lower hasp 8, and the unblock is accomplished to a key promptly, simple structure, and whole unblock process simple operation is laborsaving.

When the foldable upper seat 1 and the foldable lower seat 2 are unlocked in an initial state, under the action of the torsion spring 11, the free end of the upper latch 7 is far away from the foldable upper seat 1, and the free end of the handle 6 is far away from the upper latch 7, as shown in fig. 4, when locking is needed, the foldable upper seat 1 and the foldable lower seat 2 are firstly butted, then the handle 6 is rotated downwards, the handle 6 drives the crank pin 5 to rotate, the upper latch 7 is pushed by the protrusion 14 on the crank pin 5 to rotate, the lower latch 8 is close to and is buckled through the convex tooth 13, the handle 6 is continuously rotated to enable the protrusion 14 on the crank pin 5 to enable a tangent line at the contact point of the protrusion 14 and the upper latch 7 to be in a vertical state with the protrusion 14, at the moment, the pressing relation between the protrusion 14 and the upper latch 7 is stable, meanwhile, the free end of the handle 6 is close to the foldable lower seat 2, the clamping groove 10 is positioned above the clamping wrench 9, and the clamping wrench 9 is pushed to be inserted into the clamping groove 10, so that three-step locking is realized.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An improved riser folding mechanism, characterized in that: comprises a folding upper seat (1) and a folding lower seat (2), wherein the folding upper seat (1) and the folding lower seat (2) are both fixedly connected with a vertical pipe (3), one side of the folding upper seat (1) is rotationally connected with one side of the folding lower seat (2) through a first shaft pin (4), the other side of the folding upper seat (1) is connected with the folding lower seat (2) in a clamping way through a multiple locking mechanism, the multiple locking mechanism comprises a crank pin (5), a handle (6), an upper lock catch (7) and a lower lock catch (8), the crank pin (5) is rotatably arranged at the other side of the folding upper seat (1), the handle (6) is arranged on the crank pin (5), the upper lock catch (7) is rotatably arranged on the other side of the folding upper seat (1) through a second shaft pin (15) and is positioned on the inner side of the crank pin (5), the upper lock catch (7) is positioned between the handle (6) and the folding upper seat (1), the lower lock catch (8) is arranged on the folding lower seat (2), the upper lock catch (7) is buckled with the lower lock catch (8), the handle (6) rotates to drive the crank pin (5) to rotate, so that the bulge (14) on the crank pin (5) partially rotates and presses the outer side of the upper lock catch (7), the handle (6) is provided with a clamping wrench (9), and the clamping wrench (9) is clamped with the lower lock catch (8).

2. An improved riser folding mechanism as set forth in claim 1 wherein: the handle (6) is internally provided with a mounting groove, the clamping wrench (9) is arranged in the mounting groove in a sliding manner and is clamped into a clamping groove (10) on an upper lock buckle (7) which is fastened with a lower lock buckle (8) after sliding out from the mounting groove.

3. An improved riser folding mechanism as set forth in claim 1 wherein: an elastic piece is sleeved on the second shaft pin (15), and two ends of the elastic piece are respectively connected with the folding upper seat (1) and the upper lock catch (7).

4. An improved riser folding mechanism as set forth in claim 2, wherein: the opening of the processing side of the mounting groove is blocked by a lock cover (12).

5. An improved riser folding mechanism as set forth in claim 1 wherein: and a boss is arranged on one side, close to the first shaft pin (4), of the upper folding seat (1) or the lower folding seat (2).

6. An improved riser folding mechanism as set forth in claim 1 wherein: the free end of the upper lock catch (7) and the free end of the lower lock catch (8) are provided with convex teeth (13) which can be mutually locked.

7. An improved riser folding mechanism as set forth in claim 1 wherein: the lower lock catch (8) is fixed on the folding lower seat (2) through a bolt.