CN216269716U

CN216269716U - Folding structure of scooter and scooter

Info

Publication number: CN216269716U
Application number: CN202121854486.7U
Authority: CN
Inventors: 夏小良; 汤肖迅; 唐亚杰
Original assignee: Shanghai Shimai Digital Technology Co ltd
Current assignee: Shanghai Shimai Digital Technology Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-04-12
Anticipated expiration: 2031-08-09

Abstract

The utility model provides a folding structure of a scooter and the scooter, the folding structure mainly comprises a three-dimensional frame tube, a front fork vertical tube which is rotationally connected with the three-dimensional frame tube and forms a first pivot point, a folding handle which is rotationally connected with the front fork vertical tube and forms a second pivot point, a folding connecting rod of which the opposite two ends are rotationally connected with the folding handle and the three-dimensional frame tube and respectively form a third pivot point and a fourth pivot point, and the like. Wherein the second pivot point is located on the axis between the third pivot point and the fourth pivot point when the front fork riser is rotated to the folded position. Compared with the prior art, the folding structure and the scooter of the scooter that this application provided can avoid it to appear becoming flexible after folding, and convenient operation.

Description

Folding structure of scooter and scooter

Technical Field

The present disclosure relates to scooters, and particularly to a scooter and a folding structure thereof.

Background

At present, in the scooter, in order to make things convenient for the carry of scooter, design and manufacturing through beta structure.

In prior art, the beta structure of scooter adopts four link mechanism more, however its in the use, has following defect: for example, the four-bar linkage mechanism is not usually provided with a safety structure when being folded, so that the folding structure is easy to automatically open in the transportation process, and the safety hazard is easy to occur, and therefore, the safety is poor. Although a safety structure is additionally arranged on part of the four-link mechanism, for example, a rotary hook is arranged on the frame vertical pipe to hook the folding handle, so that the folding handle is locked, the folding structure of the scooter is conveniently in a stable locking state when being folded, and the hook is easy to loosen and break away when in use, thereby causing the automatic opening of the folding structure. In addition, when the cross section of the frame riser is special-shaped or the rotating hook is of a special-shaped structure, the hook is not easy to rotate, and the locking operation is very inconvenient.

Therefore, how to provide a folding structure of a scooter, which avoids the scooter from loosening after being folded and is convenient to operate is an urgent technical problem to be solved by the utility model.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a folding structure of a scooter, which avoids the looseness after folding and is convenient to operate.

In order to achieve the above technical problem, the present invention provides a folding structure of a scooter, including: a stereoscopic frame tube; a front fork riser rotatably connected to the stereo frame tube and forming a first pivot point; it is characterized by also comprising: a folding handle rotatably connected to the front fork riser and forming a second pivot point; the opposite ends of the folding connecting rod are rotationally connected with the folding handle and the stereoscopic frame tube and respectively form a third pivot point and a fourth pivot point;

wherein the second pivot point is located on an axis between the third pivot point and the fourth pivot point when the front fork riser is rotated to a folded position.

Further preferably, a line between the first pivot point and the second pivot point and a line between the second pivot point and the third pivot point are perpendicular to each other.

Further preferably, a connecting line between the third pivot point and the fourth pivot point and a connecting line between the third pivot point and the fourth pivot point are arranged at a preset included angle; wherein the included angle is greater than or equal to degree.

Further preferably, the included angle is degrees.

Further preferably, the space frame tube forms the first pivot point with a front fork riser through a first pivot shaft; the folding handle forms a second pivot point with the front fork riser through the second pivot axis; the folding link includes: a third pivot shaft for forming said third pivot point, a fourth pivot shaft for forming said fourth pivot point, an axial link for threadedly connecting said third and fourth pivot shafts.

Further preferably, the folding handle includes: the folding connecting rod is provided with a folding cavity used for accommodating the folding connecting rod, a first through hole which is arranged on the cover body and is used for being inserted into the third pivot shaft, and a second through hole which is arranged on the cover body and is used for being inserted into a second pivot shaft forming the second pivot shaft.

Preferably, a part of a side wall of the front fork stand pipe protrudes to form a fixed seat, and the fixed seat is provided with a pivot hole for forming the second pivot point; and part of the front fork stand pipe is inwards sunken along two opposite sides of the fixed seat to form an inner concave part; a part of the cover body is provided with a bulge part which is used for being inserted into the concave part in a matching way and is provided with the second through hole in a protruding way; a pivoting seat forming the fourth pivot point is further arranged on the outer wall of the stereoscopic frame tube; wherein, the pivot seat is provided with a pivot hole for being inserted into the fourth pivot shaft in a matching way.

Further preferably, the folding structure of the scooter further comprises: the locking structure is used for locking and connecting the folding handle and the stereoscopic frame tube when the front fork vertical tube rotates to the folding position; the hasp structure includes: dialing and twisting; the safety buckle is detachably and rotationally connected with the poking button; wherein, the safety catch includes: the rotating shaft is connected with the poking button, and the buckle body is connected with the rotating shaft; when the buckle body rotates to a buckle position along with the poking part, the buckle connection is formed.

Further preferably, the cover body of the folding handle is further provided with a buckling hole for penetrating through the rotating shaft; the upper part of the pivoting seat on the stereoscopic frame pipe protrudes upwards to form a limiting part arranged at intervals with the pipe wall of the stereoscopic frame pipe; and a fastening groove for arranging the fastening body is formed between the limiting part and the pipe wall of the stereoscopic frame pipe.

In addition, as a further preferred mode, the safety catch realizes the rotary connection between the poking button and the catch body through the wave bead and the locking piece.

The application still provides a scooter, includes: the folding structure of above-mentioned scooter.

Compared with the prior art, the utility model has the following beneficial effects: the application provides a scooter's beta structure and scooter can avoid it to appear becoming flexible after folding, and convenient operation.

Drawings

Fig. 1 is a schematic cross-sectional view illustrating a folding structure of a scooter according to an embodiment of the present invention when unfolded;

FIG. 2 is a schematic cross-sectional view illustrating a folding structure of the scooter according to an embodiment of the present invention;

FIG. 3 is a partial schematic view of the cross-section A-A of FIG. 2;

FIG. 4 is a partial schematic structural view of the cross-section shown at B-B in FIG. 2;

fig. 5 is an exploded view of the folding structure of the scooter according to an embodiment of the present invention;

description of reference numerals:

folding handle 1, third pivot point 2, space frame tube 4, front fork riser 6, first pivot point 7, first pivot shaft 71, fourth pivot point 9, folding connecting rod 10, second pivot point 12, second pivot shaft 121, third pivot shaft 101, fourth pivot shaft 102, axial rod 103, cover 11, first through hole 111, second through hole 112, fixing seat 61, pivot hole 611, inner recess 62, boss 113, buckle hole 115, pivot seat 91, rotation hole 911, limiting part 912, buckle slot 92, toggle 15, safety buckle 16, rotating shaft 161, buckle body 162, locking piece 14, wave bead 13, locking piece 72, locking piece 122, locking piece 8 and connecting piece 106.

Detailed Description

The folding structure of the scooter of the present invention will be described in more detail with reference to the schematic drawings, in which preferred embodiments of the present invention are shown, it being understood that those skilled in the art can modify the present invention described herein while still achieving the advantageous effects of the present invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the utility model.

Example one

Referring to fig. 1 to 5, in this embodiment, a folding structure of a scooter is provided, which mainly comprises a three-dimensional frame tube 4, a front fork stem 6 rotatably connected to the three-dimensional frame tube 4 and forming a first pivot point 7, a folding handle 1 rotatably connected to the front fork stem 6 and forming a second pivot point 12, a folding link 10 rotatably connected at opposite ends to the folding handle 1 and the three-dimensional frame tube 4 and forming a third pivot point 2 and a fourth pivot point 9, respectively.

Wherein the second pivot point 12 is located on an axis between the third pivot point 2 and the fourth pivot point 9 when the front fork riser 6 is rotated to a folded position.

The above results show that: when front fork riser 6 rotated to folding position, second pivot point 12 was located when the axis between third pivot point 2 and the fourth pivot point 9 was gone up to make the four-bar linkage subassembly that the stereoscopic frame pipe 4, front fork riser 6, folding handle 1 and folding connecting rod 10 constitute be located the dead point state, therefore in the in-service use process, difficult production is not hard up, and because when the operation, only need rotate stereoscopic frame pipe 4 to folding position and can realize above-mentioned automatic folding, prior art relatively, need not to carry out operations such as hasp to folding handle, therefore convenient operation.

In particular, so that the four-bar linkage assembly is in a dead-center position after the front fork riser 6 and the space frame tube 4 are folded, it is preferable that a line connecting the first pivot point 7 and the second pivot point 12 is perpendicular to a line connecting the second pivot point 12 and the third pivot point 2.

Further preferably, in order to meet the requirements of unfolding and folding the scooter in practical application, a connecting line between the third pivot point 2 and the fourth pivot point 9 and a connecting line between the third pivot point 2 and the fourth pivot point 9 are arranged at a preset included angle; wherein the included angle is greater than or equal to 90 degrees.

In order to facilitate folding of the scooter, the included angle is preferably 120 degrees.

Further preferably, in order to meet the assembly and disassembly requirements of the scooter in practical application, the space frame tube 4 and the front fork stand tube 6 form the first pivot point 7 through the first pivot shaft 71; the folding handle 1 forms a second pivot point 12 with the front fork riser 6 through the second pivot shaft 121; the folding link 10 includes: a third pivot axle 101 for forming said third pivot point 2, a fourth pivot axle 102 for forming said fourth pivot point 9, an axial lever 103 for screwing said third and

fourth pivot axles

101, 102. Furthermore, it should be noted that the first pivot shaft 71 in this embodiment is locked and fixed by a locking member 72. The first pivot shaft 121 in this embodiment is locked and fixed by a locking member 122.

Further preferably, the folding handle 1 includes: a cover 11 having a folding cavity for accommodating the folding link 10, a first through hole 111 opened in the cover 11 and for inserting the third pivot 101, and a second through hole 112 opened in the cover 11 and for inserting a second pivot 121 forming the second pivot 12. The dead point can be conveniently formed by the way of storing the folding connecting rod 10 in the folding cavity, and the folding connecting rod 10 and the third pivot shaft 101 are protected.

Furthermore, it is worth mentioning that the third pivot axle 101 in this embodiment is lockingly connected with the axial rod 103 by a connecting member 106. The fourth pivot shaft 102 in this embodiment is lockingly connected to the axial link 103 by means of a locking member 8.

Further preferably, a side wall of the front fork stem 6 has a part protruding to form a fixing seat 61, and the fixing seat is opened with a pivot hole 611 for forming the second pivot point 12. And, the front fork stem 6 has a part that is recessed inwardly along opposite sides of the fixing seat 61 to form an inner recess 62. A bulge part 113 which is partially arranged in a protruding way and is used for being inserted into the inner concave part 62 and is provided with the second through hole 112 is formed on the cover body 11; the outer wall of the space frame tube 4 is also provided with a pivoting seat 91 forming the fourth pivoting point 9; wherein, the pivot seat 91 is provided with a pivot hole 911 for inserting the fourth pivot shaft 102. Through the matching arrangement of the inner concave part 62 and the convex part 113, the folding connecting rod 10 does not need to be exposed to the outside of the stereoscopic frame tube 4 too much, the thickness of the cover body 11 can be reduced, and meanwhile, the connection strength between the cover body 11 and the front fork stand tube 6 is improved.

Further as preferably, in order to play further locking to the four link assembly after folding, prevent to appear not hard up, play the effect of insurance, the beta structure of scooter still includes: the locking structure is used for locking and connecting the folding handle 1 and the stereoscopic frame tube 4 when the front fork vertical tube 6 rotates to the folding position; the hasp structure includes: a dial knob 15; and the safety catch 16 is detachably and rotatably connected with the dial knob 15.

The safety catch 16 may be composed of a rotating shaft 161 connected to the dial knob 15, a catch 162 connected to the rotating shaft 161, and the like. When the button body 162 rotates to a locking position along with the toggle button 15, the locking connection is formed. Through the structural design, the buckle body 162 can rotate, and meanwhile, the buckle body 162 can lock the folding handle 1.

Further preferably, the cover 11 of the folding handle 1 further has a fastening hole 115 for passing through the rotating shaft 161. The upper part of the pivot seat 91 on the stereoscopic frame tube 4 protrudes upwards to form a limiting part 912 arranged at an interval with the tube wall of the stereoscopic frame tube 4; wherein, a fastening groove 92 for installing the fastening body 162 is formed between the limiting part 912 and the tube wall of the stereoscopic frame tube 4. After the buckle body 162 rotates into the buckle slot 92, the buckle body 162 is connected with the cover 11 into a whole, so that the cover 11 and the stereoscopic frame tube 4 can be locked and connected together without being separated without rotating the toggle 15, thereby playing a role of safety.

In addition, as shown in fig. 5, it is worth mentioning that the safety catch 16 in this embodiment realizes the rotational connection between the toggle 15 and the catch 162 through the ball 13 and the locking member 14, so as to lock the position of the toggle 15 and prevent the toggle 15 from rotating to drive the catch 162 under the pressing driving without external force.

It should be noted that the locking member 14, the locking member 72, the locking member 122, the locking member 8, and the connecting member 106 in this embodiment are preferably bolts, threads, nuts, etc., and will not be described herein again.

Example two

This embodiment still provides a scooter, includes: the folding structure of scooter in the above-mentioned embodiment.

The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A folding structure of a scooter, comprising: a stereoscopic frame tube (4); a front fork riser (6) rotatably connected to the stereo frame tube (4) and forming a first pivot point (7); it is characterized by also comprising: a folding handle (1) rotatably connected to the front fork stem (6) and forming a second pivot point (12); a folding connecting rod (10) with opposite ends rotatably connected with the folding handle (1) and the stereoscopic frame tube (4) and respectively forming a third pivot point (2) and a fourth pivot point (9);

wherein the second pivot point (12) is located on an axis between the third pivot point (2) and the fourth pivot point (9) when the front fork riser (6) is turned to a folded position.

2. The folding structure of a scooter according to claim 1, characterized in that the line between the first pivot point (7) and the second pivot point (12) and the line between the second pivot point (12) and the third pivot point (2) are perpendicular to each other.

3. The folding structure of a scooter according to claim 1, characterized in that the line between the third pivot point (2) and the fourth pivot point (9) is at a predetermined angle to the line between the third pivot point (2) and the fourth pivot point (9); wherein the included angle is greater than or equal to 90 degrees.

4. The folding structure of a scooter according to claim 3, wherein the angle is 120 degrees.

5. The folding structure of a scooter according to claim 1, characterized in that the space frame tube (4) forms the first pivot point (7) with a front fork riser (6) by means of a first pivot axis (71); the folding handle (1) and the front fork vertical pipe (6) form a second pivot point (12) through a second pivot shaft (121); the folding link (10) comprises: -a third pivot axle (101) for forming said third pivot point (2), -a fourth pivot axle (102) for forming said fourth pivot point (9), -an axial lever (103) for screwing said third pivot axle (101) and fourth pivot axle (102).

6. The folding structure of a scooter according to claim 5, characterized in that the folding handle (1) comprises: the folding mechanism comprises a cover body (11) with a folding cavity for accommodating the folding connecting rod (10), a first through hole (111) which is formed in the cover body (11) and used for being inserted into the third pivot shaft (101), and a second through hole (112) which is formed in the cover body (11) and used for being inserted into a second pivot shaft (121) forming the second pivot point (12).

7. The folding structure of the scooter according to claim 6, wherein a side wall of the front fork stem (6) is partially protruded to form a fixing seat (61), and the fixing seat is opened with a pivot hole (611) for forming the second pivot point (12); moreover, part of the front fork stand pipe (6) is inwards sunken along two opposite sides of the fixed seat (61) to form an inner concave part (62); a bulge part (113) which is partially protruded and formed on the cover body (11) is used for being inserted into the inner concave part (62) in a matching way and is provided with the second through hole (112); the outer wall of the stereoscopic frame tube (4) is also provided with a pivoting seat (91) forming the fourth pivoting point (9); wherein, the pivot seat (91) is provided with a pivot hole (911) for being inserted into the fourth pivot shaft (102) in a matching way.

8. The folding structure of a scooter according to any one of claims 1 to 7, further comprising: the locking structure is used for locking and connecting the folding handle (1) and the stereoscopic frame tube (4) when the front fork vertical tube (6) rotates to the folding position; the hasp structure includes: a dial knob (15); a safety catch (16) which is detachably and rotationally connected with the dial knob (15); wherein the safety catch (16) comprises: a rotating shaft (161) connected with the dial knob (15), and a buckle body (162) connected with the rotating shaft (161); when the buckle body (162) rotates to a buckle position along with the poking button (15), the buckle connection is formed.

9. The folding structure of the scooter according to claim 8, wherein the cover (11) of the folding handle (1) is further provided with a fastening hole (115) for passing through the rotating shaft (161); the upper part of a pivot seat (91) on the three-dimensional frame pipe (4) is extended upwards to form a limiting part (912) which is arranged at an interval with the pipe wall of the three-dimensional frame pipe (4); a buckle groove (92) for arranging the buckle body (162) is formed between the limiting part (912) and the pipe wall of the stereoscopic frame pipe (4); the safety buckle (16) realizes the rotary connection between the poking button (15) and the buckle body (162) through the wave bead (13) and the locking piece (14).

10. A scooter, comprising: the folding structure of the scooter according to any one of claims 1 to 9.