CN219989425U - Folding structure for scooter - Google Patents

Abstract

The utility model discloses a folding structure for a scooter. The folding upper seat and the folding lower seat are rotationally connected, a rotating shaft which is horizontally arranged is arranged on the folding lower seat, a trigger fixedly connected with the rotating shaft and an eccentric wheel are sleeved on the rotating shaft, a lock hook which is rotationally connected with the eccentric wheel is sleeved on the eccentric wheel, a sliding hook is arranged on the inner side of the trigger, a fixing hook matched with the sliding hook and a locating pin matched with the lock hook are arranged on the folding upper seat, the trigger rotates towards the folding upper seat, the sliding hook is connected with the fixing hook for positioning, a sliding key for driving the sliding hook to be released from positioning with the fixing hook is arranged on the trigger, a torsion spring for driving the lock hook to hook the locating pin is sleeved on the eccentric wheel, and the trigger drives the lock hook to be separated from the locating pin when the trigger rotates outwards to an unlocking position. The utility model has simple and convenient operation, ensures the locking effect, and is safe and reliable.

Description

Folding structure for scooter

Technical Field

The utility model relates to the technical field of scooter parts, in particular to a folding structure for a scooter.

Background

For a folding scooter, in order to facilitate folding of the handlebar stand pipe, a corresponding folding structure is generally arranged between the handlebar stand pipe and the front fork, and when the folding scooter is used, the folding structure is in an unfolding and locking state; when not in use, the folding structure is in a folded state.

The existing scooter folding structure on the market is relatively complex, the operation is complex, and the use time is long, so that looseness is easy to occur. Chinese patent publication No. CN207791010U discloses a folding mechanism and an electric scooter provided with the folding mechanism, and the folding mechanism is mainly locked by driving an eccentric wheel through a spanner, so that the locking is realized by a large force of a user, the condition of locking in place is easy to occur, the operation is complex, and the folding mechanism is easy to wear and loose after being used for a period of time.

Disclosure of Invention

The folding structure for the scooter is simple and convenient to operate, ensures the locking effect, and is safe and reliable.

In order to solve the problems, the utility model is realized by adopting the following technical scheme:

the folding structure for the scooter comprises a folding upper seat and a folding lower seat, wherein the folding upper seat and the folding lower seat are connected in a rotating mode, a rotating shaft which is horizontally arranged is arranged on the folding lower seat, a trigger and an eccentric wheel which are fixedly connected with the rotating shaft are sleeved on the rotating shaft, a latch hook which is connected with the eccentric wheel in a rotating mode is sleeved on the eccentric wheel, a sliding hook is arranged on the inner side of the trigger, a fixed hook matched with the sliding hook and a positioning pin matched with the latch hook are arranged on the folding upper seat, the sliding hook is connected with the fixed hook for positioning after the trigger rotates to the folding upper seat, a sliding key for driving the sliding hook to be released from being positioned with the fixed hook is arranged on the trigger, a torsion spring for driving the latch hook to hook the positioning pin is sleeved on the eccentric wheel, and the trigger drives the latch hook to be separated from the positioning pin when the trigger rotates outwards to an unlocking position.

In this scheme, folding seat is used for connecting scooter's handlebar riser, and folding seat is used for connecting scooter's front fork down. When the folding type folding seat is folded, the sliding key is operated to release the positioning of the sliding hook and the fixed hook, the trigger is rotated outwards, the eccentric wheel is driven to rotate by the trigger through the rotating shaft, the eccentric wheel drives the lock hook to move upwards so as to release locking between the lock hook and the positioning pin, when the trigger is rotated outwards to an unlocking position, the trigger drives the lock hook to rotate outwards so as to enable the lock hook to be separated from the positioning pin, and then the folding seat is rotated to realize folding. When the folding upper seat is unfolded, the folding upper seat is rotated forwards to enable the folding upper seat to be attached to the folding lower seat, the lock hook automatically hooks the positioning pin under the action of the torsion spring, the trigger rotates towards the folding upper seat, the trigger drives the eccentric wheel to rotate, the eccentric wheel drives the lock hook to move downwards to enable the lock hook to be locked with the positioning pin, and when the trigger rotates to a vertical state, the sliding hook is connected with the fixed hook to be positioned, so that two locking operations are completed. The whole operation process is simple and convenient, the locking effect is guaranteed by the two locking structures, the locking effect is safe and reliable, the locking hook is driven by the eccentric wheel to be locked with the positioning pin, and the locking device is not easy to loosen after long-time use.

Preferably, the latch hook comprises a rotating part, a connecting part and a hook body part, wherein the rotating part is sleeved on the eccentric wheel, and the hook body part is connected with the rotating part through the connecting part.

Preferably, a groove is formed in the inner side of the trigger, an opening communicated with the groove is formed in the bottom of the trigger, the lock hook is located in the groove, a stop block extending out of the opening is arranged at the bottom of the rotating portion, and when the trigger rotates outwards to a certain position, the trigger abuts against the stop block.

When the trigger rotates outwards to a certain position, the edge of the opening of the trigger contacts with the stop block, and then the trigger continues to rotate outwards, and the edge of the opening of the trigger pushes the stop block to drive the latch hook to rotate and separate from the positioning pin.

Preferably, the torsion spring comprises a torsion spring body, a first torsion spring foot, a second torsion spring foot and a third torsion spring foot, an inserting hole for inserting the second torsion spring foot is formed in the upper end of the rotating portion, a clamping groove for inserting the third torsion spring foot is formed in the folding lower seat, the clamping groove is located below the rotating portion, the torsion spring body is sleeved on the eccentric wheel, the first torsion spring foot is located in the groove and abuts against the inner wall of the groove, the second torsion spring foot extends into the inserting hole and abuts against the inserting hole, and the third torsion spring foot extends into the clamping groove and abuts against the clamping groove.

The first torsion spring foot, the third torsion spring foot are mutually perpendicular to the axis of the torsion spring body, and the second torsion spring foot is mutually parallel to the axis of the torsion spring body. When folding, operate the slip button and remove the location with slip couple and fixed couple, the trigger outwards rotates to trigger opening edge and dog contact from vertical state under the effect of torsional spring, this in-process, the trigger drives the eccentric wheel through the pivot and rotates, the eccentric wheel drives the latch hook and upwards moves and makes latch hook and locating pin release locking, when the trigger rotates to trigger opening edge and dog contact after, manual operation trigger continues outwards to rotate, trigger opening edge promotes the dog, the trigger, the latch hook, the pivot, the eccentric wheel synchronous rotation, the latch hook breaks away from with the locating pin, afterwards rotate folding seat realization is folding. After the trigger is released, the torsion spring drives the latch hook to rotate to a vertical state for resetting, and in the process, the latch hook drives the trigger to rotate through the stop block, and the trigger, the latch hook, the rotating shaft and the eccentric wheel synchronously rotate.

Preferably, a connecting seat is arranged on one side, facing the trigger, of the folding lower seat, the connecting seat is arranged in the groove, the connecting seat comprises connecting plates which are symmetrically arranged left and right, the rotating shaft penetrates through the connecting plates and is rotationally connected with the connecting plates, two ends of the rotating shaft are fixedly connected with the trigger, the eccentric wheel is positioned between the two connecting plates, and when the trigger rotates outwards to a limiting position, the trigger abuts against the connecting plates.

When the trigger rotates outwards, the stop block is pushed by the edge of the trigger opening to drive the latch hook to rotate to the limit position, the edge of the trigger opening abuts against the connecting plate, and the trigger is limited to rotate continuously.

Preferably, the hook body is provided with a threaded hole penetrating through the hook body longitudinally, an adjusting screw is arranged in the threaded hole, and the adjusting screw is in threaded connection with the threaded hole.

The position of the adjusting screw can be adjusted according to the requirement, so that the adjusting screw is tightly propped against the locating pin, and the shaking of the folding structure is avoided.

Preferably, the torsion spring is also used for driving the trigger to rotate to an angle of 40-70 degrees with the horizontal plane.

Preferably, the trigger is provided with a sliding hole arranged longitudinally, the sliding key is positioned at the outer side of the trigger, the inner side of the sliding key is provided with a sliding block extending into the sliding hole, the sliding block can slide up and down along the sliding hole, a spring is arranged in the sliding hole, the top of the spring is propped against the top of the sliding hole, the bottom of the spring is propped against the sliding block, and the sliding hook is fixedly connected with the sliding block.

The sliding key drives the sliding hook to slide up and down through up-and-down sliding, so that the sliding hook and the fixed hook are connected for positioning/positioning release.

Preferably, a sliding groove for the sliding key to slide up and down is arranged on the outer side of the trigger.

Preferably, one side of the sliding hook facing the fixed hook is arc-shaped.

The beneficial effects of the utility model are as follows: the operation is simple and convenient, the locking effect is ensured, the safety and the reliability are realized, and the service time is long, so that the locking device is not easy to loosen.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is a schematic view of a folded state of an embodiment;

FIG. 3 is an exploded view of an embodiment;

FIG. 4 is a schematic structural view of the torsion spring;

FIG. 5 is a schematic structural view of a shackle;

FIG. 6 is a cross-sectional view of the locked state of the embodiment;

FIG. 7 is a cross-sectional view of an embodiment of the trigger rotated into contact with a stop;

FIG. 8 is a cross-sectional view of an embodiment of the trigger rotated to a limit position;

fig. 9 is a sectional view of the folded state of the embodiment.

In the figure: 1. the folding upper seat, 2, the folding lower seat, 3, a rotating shaft, 4, a trigger, 5, an eccentric wheel, 6, a lock hook, 7, a sliding hook, 8, a fixed hook, 9, a locating pin, 10, a sliding key, 11, a torsion spring, 12, a rotating part, 13, a connecting part, 14, a hook body part, 15, a groove, 16, an opening, 17, a stop block, 18, a torsion spring body, 19, a first torsion spring foot, 20, a second torsion spring foot, 21, a third torsion spring foot, 22, a jack, 23, a clamping groove, 24, a connecting plate, 25, a threaded hole, 26, an adjusting screw, 27, a sliding hole, 28, a sliding block, 29, a spring, 30, a sliding groove, 31 and a handlebar vertical pipe.

Detailed Description

The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.

Examples: the folding structure for a scooter of this embodiment, as shown in fig. 1 to 9, including folding upper seat 1 and folding lower seat 2, folding upper seat 1 and folding lower seat 2 rotate and are connected, be equipped with the pivot 3 that the level set up on folding lower seat 2, the cover is equipped with trigger 4, eccentric wheel 5 with pivot 3 fixed connection on the pivot 3, the cover is equipped with latch hook 6 with eccentric wheel 5 rotation connection on the eccentric wheel 5, trigger 4 inboard is equipped with slide hook 7, be equipped with on folding upper seat 1 with slide hook 7 complex fixed couple 8 and with latch hook 6 complex locating pin 9, slide couple 7 is connected with fixed couple 8 and is fixed after the trigger 4 upwards folds upper seat 1 rotation and is fixed, be equipped with on trigger 4 and be used for driving slide button 10 that slide couple 7 was removed with fixed couple 8 location, the cover is equipped with the torsional spring 11 that is used for driving latch hook 6 and hooks locating pin 9 on the eccentric wheel 5, torsional spring 11 still is used for driving trigger 4 to rotate to be personally submit 40-70 degrees angle with the level when trigger 4 outwards rotates to the unblock position, trigger 4 drives 6 and breaks away from with locating pin 9.

The latch hook 6 includes rotation portion 12, connecting portion 13 and coupler body portion 14, and rotation portion 12 cover is established on eccentric wheel 5, and coupler body portion 14 passes through connecting portion 13 and is connected with rotation portion 12, and trigger 4 inboard is equipped with recess 15, and trigger 4 bottom is equipped with the opening 16 with recess 15 intercommunication, and latch hook 6 is located recess 15, and rotation portion 12 bottom is equipped with the dog 17 that stretches out opening 16, and when trigger 4 outwards rotated to certain position, trigger 4 and dog 17 offset.

The torsional spring 11 comprises a torsional spring body 18, a first torsional spring foot 19, a second torsional spring foot 20 and a third torsional spring foot 21, an inserting hole 22 for inserting the second torsional spring foot 20 is formed in the upper end of the rotating portion 12, a clamping groove 23 for inserting the third torsional spring foot 21 is formed in the folding lower seat 2, the clamping groove 23 is located below the rotating portion 12, the torsional spring body 18 is sleeved on the eccentric wheel 5, the first torsional spring foot 19 is located in the groove 15 and abuts against the inner wall of the groove 15, the second torsional spring foot 20 stretches into the inserting hole 22 and abuts against the inserting hole 22, the third torsional spring foot 21 stretches into the clamping groove 23 and abuts against the clamping groove 23, the axes of the first torsional spring foot 19, the third torsional spring foot 20 and the torsional spring body 18 are mutually perpendicular, and the axes of the second torsional spring foot 20 and the torsional spring body 18 are mutually parallel.

The folding lower seat 2 is provided with a connecting seat towards one side of the trigger 4, the connecting seat is arranged in the groove 15, the connecting seat comprises connecting plates 24 which are symmetrically arranged left and right, the rotating shaft 3 penetrates through the connecting plates 24 and is rotationally connected with the connecting plates 24, two ends of the rotating shaft 3 are fixedly connected with the trigger 4, the eccentric wheel 5 is positioned between the two connecting plates 24, and when the trigger 4 rotates outwards to a limiting position, the trigger 4 is propped against the connecting plates 24.

The trigger 4 is provided with a slide hole 27 longitudinally arranged, the slide button 10 is positioned at the outer side of the trigger 4, the inner side of the slide button 10 is provided with a sliding block 28 extending into the slide hole 27, the sliding block 28 can slide up and down along the slide hole 27, a spring 29 is arranged in the slide hole 27, the top of the spring 29 is propped against the top of the slide hole 27, the bottom of the spring 29 is propped against the sliding block 28, the slide hook 7 is fixedly connected with the sliding block 28, the outer side of the trigger 4 is provided with a sliding groove 30 for the slide button 10 to slide up and down, and one side of the slide hook 7, facing the fixed hook 8, is arc-shaped.

In this scheme, folding seat is used for connecting scooter's handlebar riser, and folding seat is used for connecting scooter's front fork down. The locked state of the folding structure is shown in fig. 1 and 6, and the folded state of the folding structure is shown in fig. 2.

When folding, slide the sliding button upwards, slide the button and drive the sliding hook and move upwards and make sliding hook and fixed couple release the location, as shown in fig. 7, the trigger outwards rotates to trigger opening edge and dog contact under the effect of torsional spring, this in-process, the trigger passes through the pivot and drives the eccentric wheel rotation, the eccentric wheel drives the latch hook upwards and makes latch hook and locating pin release locking, after the trigger rotates to trigger opening edge and dog contact, manual operation trigger continues outwards to rotate, at this moment, trigger opening edge promotes the dog, the trigger, the latch hook, the pivot, the eccentric wheel synchronous rotation, the latch hook breaks away from with the locating pin, when the trigger rotates to spacing position, as shown in fig. 8, trigger opening edge offsets with the connecting plate, the trigger stops rotating, then, as shown in fig. 9, rotate folding upper seat realization folding, after releasing the trigger, the torsional spring drives the rotation to vertical state reset, trigger 4 rotates to personally submit 40-70 degrees angle with the horizontal plane, in-process, the trigger is rotated through the dog drive trigger, the latch hook, the pivot, the eccentric wheel synchronous rotation. When the folding upper seat is unfolded, the folding upper seat is rotated forwards to enable the folding upper seat to be attached to the folding lower seat, the lock hook automatically hooks the positioning pin under the action of the torsion spring, the trigger rotates towards the folding upper seat, the trigger drives the eccentric wheel to rotate, the eccentric wheel drives the lock hook to move downwards to enable the lock hook to be locked with the positioning pin, and when the trigger rotates to a vertical state, the sliding hook is connected with the fixed hook to be positioned, so that two locking operations are completed. The whole operation process is simple and convenient, the locking effect is guaranteed by the two locking structures, the locking effect is safe and reliable, the locking hook is driven by the eccentric wheel to be locked with the positioning pin, and the locking device is not easy to loosen after long-time use.

The hook body 14 is provided with a threaded hole 25 penetrating the hook body 14 in the longitudinal direction, an adjusting screw 26 is arranged in the threaded hole 25, and the adjusting screw 26 is in threaded connection with the threaded hole 25. The position of the adjusting screw can be adjusted according to the requirement, so that the adjusting screw is tightly propped against the locating pin, and the shaking of the folding structure is avoided.

Claims (10)

1. The utility model provides a beta structure for scooter, includes folding upper seat (1) and folding lower seat (2), its characterized in that, folding upper seat (1) and folding lower seat (2) rotate and are connected, be equipped with pivot (3) that the level set up on folding lower seat (2), cover is equipped with trigger (4) with pivot (3) fixed connection, eccentric wheel (5) on pivot (3), cover is equipped with latch hook (6) with eccentric wheel (5) rotation and is connected, trigger (4) inboard is equipped with slide hook (7), be equipped with on folding upper seat (1) with slide hook (7) complex fixed couple (8) and with latch hook (6) complex locating pin (9), trigger (4) are to folding upper seat (1) rotate back slide hook (7) and fixed couple (8) are connected and are fixed a position, be equipped with on trigger (4) and be used for driving slide hook (7) and remove slide button (10) with fixed couple (8) location, cover is equipped with on eccentric wheel (5) and is used for hooking trigger (6) to rotate when position (11) outside when location torsional spring (4), the trigger (4) drives the latch hook (6) to be separated from the locating pin (9).

2. The folding structure for a scooter according to claim 1, wherein the latch hook (6) comprises a rotating part (12), a connecting part (13) and a hook body part (14), the rotating part (12) is sleeved on the eccentric wheel (5), and the hook body part (14) is connected with the rotating part (12) through the connecting part (13).

3. The folding structure for the scooter according to claim 2, wherein a groove (15) is formed in the inner side of the trigger (4), an opening (16) communicated with the groove (15) is formed in the bottom of the trigger (4), the latch hook (6) is located in the groove (15), a stop block (17) extending out of the opening (16) is formed in the bottom of the rotating portion (12), and when the trigger (4) rotates outwards to a certain position, the trigger (4) abuts against the stop block (17).

4. A folding structure for a scooter according to claim 3, characterized in that the torsion spring (11) comprises a torsion spring body (18), a first torsion spring leg (19), a second torsion spring leg (20) and a third torsion spring leg (21), a jack (22) for inserting the second torsion spring leg (20) is arranged at the upper end of the rotating part (12), a clamping groove (23) for inserting the third torsion spring leg (21) is arranged on the folding lower seat (2), the clamping groove (23) is arranged below the rotating part (12), the torsion spring body (18) is sleeved on the eccentric wheel (5), the first torsion spring leg (19) is arranged in the groove (15) and abuts against the inner wall of the groove (15), the second torsion spring leg (20) extends into the jack (22) and abuts against the jack (22), and the third torsion spring leg (21) extends into the clamping groove (23) and abuts against the clamping groove (23).

5. A folding structure for a scooter according to claim 3, characterized in that a connecting seat is arranged on one side of the folding lower seat (2) facing the trigger (4), the connecting seat is arranged in the groove (15), the connecting seat comprises a connecting plate (24) which is arranged in a bilateral symmetry manner, the rotating shaft (3) penetrates through the connecting plate (24) and is rotationally connected with the connecting plate (24), two ends of the rotating shaft (3) are fixedly connected with the trigger (4), the eccentric wheel (5) is positioned between the two connecting plates (24), and when the trigger (4) rotates outwards to a limiting position, the trigger (4) is propped against the connecting plate (24).

6. A folding structure for a scooter according to claim 2 or 3 or 4 or 5, characterized in that the hook body (14) is provided with a threaded hole (25) extending longitudinally through the hook body (14), an adjusting screw (26) being provided in the threaded hole (25), the adjusting screw (26) being in threaded connection with the threaded hole (25).

7. A folding structure for a scooter according to claim 1 or 2 or 3 or 4 or 5, characterized in that the torsion spring (11) is also used to drive the trigger (4) to rotate to an angle of 40-70 degrees with the horizontal plane.

8. The folding structure for the scooter according to claim 1, 2, 3, 4 or 5, wherein the trigger (4) is provided with a sliding hole (27) arranged longitudinally, the sliding key (10) is positioned at the outer side of the trigger (4), a sliding block (28) extending into the sliding hole (27) is arranged at the inner side of the sliding key (10), the sliding block (28) can slide up and down along the sliding hole (27), a spring (29) is arranged in the sliding hole (27), the top of the spring (29) is propped against the top of the sliding hole (27), the bottom of the spring (29) is propped against the sliding block (28), and the sliding hook (7) is fixedly connected with the sliding block (28).

9. The folding structure for scooter according to claim 8, wherein a slide groove (30) for sliding the sliding button (10) up and down is provided on the outer side of the trigger (4).

10. A folding structure for a scooter according to claim 1 or 2 or 3 or 4 or 5, characterized in that the side of the sliding hook (7) facing the fixed hook (8) is curved.