TWM579127U - Mobility scooter seat folding structure with full pivoting point operation - Google Patents

Abstract

The utility model relates to a full pivot point operation of a scooter seat folding structure, which comprises two link mechanisms corresponding to each other, and the two link mechanisms are arranged between the frame and the seat of the scooter and are available for selection Strictly changing the level of the scooter seat relative to the frame of the scooter; wherein each of the link mechanisms includes a first link, a second link, a third link, and a first end that are not pivotally connected to each other a four-link and a fifth link; a stop portion is disposed between each of the two pivoting links of each link mechanism; and when the link mechanism supports the seat in a riding state, the stop portion is The forward pressure is pressed against a corresponding link, so that the two link mechanisms cannot perform the folding action in reverse.

Description

Full pivot point operation scooter seat folding structure

The present invention relates to a scooter seat folding structure, and in particular to an innovative structural type revealer of a full pivot point operation scooter seat folding structure.

There are many types of electric scooters currently available on the market, and the so-called electric scooter of the present invention particularly refers to a three-wheel or four-wheel configuration of the wheel body; this type of electric scooter is The driving state is smooth and easy to control, and is popular among seniors and people with reduced mobility.

However, the electric scooter of the type referred to in the present invention also has a problem that the vehicle body is large in size and relatively occupying the space for placement; in the related art, an attempt has been made to develop an improved electric vehicle having a vehicle body folding function. Model mode, but its folding effect is still not perfect, due to the simple folding of the main body of the car body, does not consider the height drop between the seat cushion and the main frame of the seat, if If the state of the drop cannot be reduced synchronously, the main frame will be folded, and its volume will still not be significantly reduced, failing to achieve the substantial meaning of the folding. As a result, the conventional electric scooter still fails to reach the current situation. The lack of practical folding function.

In view of this, a manufacturer has developed a folding structure of an (electric) scooter seat, and the folding structure of the conventional scooter seat usually includes a first link and a second link that are assembled into an X shape. In order to reduce the distance between the seat and the scooter frame, the three positions above, middle and bottom of each link are respectively a pivot point and a pivot is provided, and one of the links must be opened for one The long groove of any pivotal slip, however, no matter which one of the connecting rods is provided with a long groove, its structure is inevitably severely weakened, which may affect the safety of the user when riding. Moreover, when the displacement strokes of the first link and the second link on the left and right sides are not coincident, the smoothness of the seat folding is affected, and if the link groups on the left and the right sides are connected, When it is synchronized, it will not only increase non-essential parts, but also increase the weight of the whole scooter, which is not a perfect solution.

The main purpose of this creation is to provide a scooter seat folding structure, and the technical problem to be solved is aimed at how to develop a new type of full pivot point operation structure which is more ideal and practical. Innovate breakthroughs.

The technical feature of the present problem solving problem is mainly that the full pivot point operation of the scooter seat folding structure comprises two link mechanisms corresponding to each other, and the two link mechanisms are installed on the scooter. Between the frame and the seat, and for selectively changing the level of the scooter seat relative to the frame of the scooter; wherein each of the link mechanisms includes: a first end and a second end a first link, a second link having a first end and a second end, wherein the first end of the second link is pivotally connected to the first end of the first link, and the first The second end of the two links is pivotally connected to the frame of the scooter; a third link pivotally connected to the middle portion of the second link, the third link is opposite to the second link The pivot point divides the third link into an upper swing arm and a lower swing arm; a fourth link, the fourth link includes a first end pivotally connected to the free end of the lower swing arm, and a a second end connected to the scooter frame; a fifth link, the fifth link includes a pivotal connection to the upper swing arm a first end of the end, and a second end pivotally connected to the second end of the first link; a stop portion is disposed between each of the two pivoting links of each link mechanism; When the mechanism supports the seat in a riding state, the stopping portion is pressed against a corresponding link in the forward direction, so that the two link mechanisms cannot perform the folding operation in reverse.

Please refer to Figures 1, 2, 3 and 9 for a preferred embodiment of the scooter seat folding structure of the present full pivot point operation, but the embodiments shown in the drawings are for illustrative purposes only. Use, patent application is not subject to this structure. The full pivot point operation of the scooter seat folding structure comprises two link mechanisms A corresponding to each other, and the two link mechanisms A are installed on the frame B and the seat C of the scooter And for selectively changing the level of the seat C relative to the frame B of the scooter; wherein each of the link mechanisms A includes: a first link having a first end and a second end 10, a second link 20 having a first end and a second end, wherein the first end of the second link 20 is pivotally connected to the first end of the first link 10, and the second The second end of the connecting rod 20 is pivotally connected to the frame B of the scooter; a third link 30 pivotally connected to the middle portion of the second connecting rod 20, the third connecting rod 30 is opposite to the first The pivot point of the two links 20 divides the third link 30 into an upper swing arm 31 and a lower swing arm 32; a fourth link 40, the fourth link 40 includes a pivoting arm to the lower swing arm a first end of the 32 free end, and a second end pivotally connected to the frame B of the scooter; a fifth link 50, the fifth link 50 includes a pivoting arm 31 free end And a second end connected to the second end of the first link 10; each link mechanism A is provided with a link between the two pivoting links 10 / 20 / 30 / 40 / 50 a stop portion 60; when the link mechanism A supports the seat in a riding state, the stop portion 60 is pressed in a forward direction against a corresponding link 10 / 20 / 30 / 40 / 50, so that the two The link mechanism A cannot reverse the folding operation and lowers the level of the seat C. In the preferred embodiment of the present invention, the blocking portion 60 is disposed on the first end of the fourth link 40 of each link mechanism A; when the link mechanism A supports the seat C in the riding state The stopping portion 60 is pressed against the lower swing arm 32 so that each link 10 / 20 / 30 / 40 / 50 of each link mechanism A is in a dead state, and the seat cannot be reversely lowered. The level of C. In this state, if the weight of the occupant itself is further added, the force of the blocking portion 60 against the sway arm 32 is strengthened, and each of the link mechanisms A can not reduce the level of the seat C in the reverse direction. To enhance the safety of users riding a scooter.

The third link 30 is a truss type structure, and the pivot point of the third link 30 relative to the second link 20 is located at a turning point of the ㄑ structure. When the two link mechanism A supports the seat C in a riding state, and when the two link structures A are in a dead state respectively, the pivot point of the lower swing arm 32 and the fourth link 40 is at the frame B The front projection position is located in front of the second link 20 and the third link 30 pivoted to the front projection position on the frame B; and the pivot point of the lower swing arm 32 and the fourth link 40 is in the vehicle The orthographic projection position on the frame B is located behind the second end of the fourth link 40. Further, the second end of the fifth link 50 extends obliquely rearward and upward from the pivotal point of the fifth swing arm 31.

Please refer to FIG. 4, FIG. 5 and FIG. 6 , the second end of each first connecting rod 10 is provided with a limiting structure 70 , and the second end of the fifth connecting rod 50 is extended with a top. The abutting portion 51; when the link mechanism A supports the seat C in a riding state, the abutting portion 51 is reversely abutted against the limiting structure 70, so that the two-bar linkage mechanism A cannot reversely fold action. The first connecting rod 10 is formed with a through hole 11 . The limiting structure 70 includes a sleeve 71 axially fixed to the inner side of the first connecting rod 10 , and a card slidingly disposed in the sleeve 71 . a plug 72 that penetrates the through hole 11 and is engaged with the top abutting portion 51 when the link mechanism A supports the seat C in a riding state; and when the seat C is to be folded, the card The peg 72 is selectively collapsed inwardly to release the abutment 51. The sleeve 71 is axially formed with a receiving hole 73. The bottom surface of the receiving hole 73 is coaxially formed with a through hole 74. The hole diameter of the through hole 74 is smaller than the hole diameter of the receiving hole 73. The bottom surface of the accommodating hole 73 is formed with a shoulder portion 75. The latching portion 72 includes a locking portion 721 which is disposed in the accommodating hole 73 and extends through the first connecting rod 10. a wearing portion 722 of the locking portion 721, the free end of the wearing portion 722 extends through the through hole 74; a set of springs 76 disposed on the through portion 722, the ends of the spring 76 are respectively topped The shoulder 75 is opposite to the bottom edge of the locking portion 721. The free end of the locking portion 721 is formed with a guiding slope 723. When the seat C is converted from the folded state to the seated state, the abutting portion 51 of the fifth link 50 is forwarded by the guiding inclined surface 723. The latch 72 is pushed inwardly and reversely abuts against the locking portion 721 of the latch 72 after the latch 72 is reset. The present invention further includes a pull cord 77. The two ends of the pull cord 77 are respectively connected to the free ends of each of the insertion portions 722. When the seat C is to be folded, the pull rope 77 is pulled through the pull rope 77. In effect, the two latches 72 can be pulled inwardly in synchronization, so that the locking portion 721 releases the abutting portion 51 of the fifth link 50.

With the above-mentioned structural composition design, the following is the description of the action of the seat C of the folding scooter of this creation: as shown in Figures 3, 4, 5 and 6, when you want to use this creation to fold the seat of the scooter When the chair C is used, the user first pulls the pull cord 77, and simultaneously pulls the two latches 72 inwardly by the two ends of the pull cord 77, and compresses the corresponding springs 76 to lock the latches 72. The portion 721 releases the top abutting portion 51 that it has engaged. Please refer to the seventh, eighth, and ninth diagrams again. When the latching portion 721 of each latch 72 releases the clamped abutting portion 51, the user can select the fifth link 50. The second end is a pivot point, and the first end thereof is brought back, and the third link 30 is synchronously linked, so that the lower swing arm 32 pushes the fourth link 40 forward, and the stop portion 60 is disengaged from the lower swing arm. 32, so that the entire set of link mechanism A is out of the stuck state of the dead point, that is, the seat C can be continuously folded in the direction of the frame B, and finally the folded state as shown in the figures 10 and 11 is achieved. .

In the preferred embodiment of the present invention, the two first links 10 are respectively fixed to the bottom surface of the seat C, so that the seat C can also be regarded as a part of the first link 10, so the actual operation is performed. The seat C and the first link 10 in the foregoing embodiment can be regarded as the same structure, and the first link 10 in the foregoing preferred embodiment can be omitted, as long as the bottom surface of the seat C is disposed. The structure of the first end of the second link 20 and the second end of the fifth link 50 (for example, a pivot), and the mounting of the limiting structure 70 at an appropriate position is selected to solve the above preferred implementation. The problem you want to solve, and achieve the same effect.

Efficacy Description: The creation of the "full pivot point operation of the scooter seat folding structure" is mainly based on the innovative unique structure and technical features of the linkage mechanism, so that this creation is compared with [previous technology] In the conventional structure, the 枢 can use the full pivot point operation mode without opening the longitudinal groove in any structure, and achieves the practical progress of strengthening the structural strength, synchronous operation, and high safety of riding.

A‧‧‧ linkage mechanism

B‧‧‧ frame

C‧‧‧ seats

10‧‧‧First Link

11‧‧‧Perforation

20‧‧‧second link

30‧‧‧ Third Link

31‧‧‧Upper swing arm

32‧‧‧Bottom swing arm

40‧‧‧fourth link

50‧‧‧ fifth link

51‧‧‧Abutment

60‧‧‧stops

70‧‧‧Limited structure

71‧‧‧Sleeve

72‧‧‧ card plug

721‧‧‧Card Department

722‧‧‧ 穿部

723‧‧‧ guiding slope

73‧‧‧ accommodating holes

74‧‧‧With holes

75‧‧‧ shoulder

76‧‧‧ Spring

77‧‧‧Drawstring

The first picture is a three-dimensional appearance of the present creation in conjunction with the scooter. Figure 2 is a three-dimensional view of the other perspective of this creation in conjunction with the scooter. Figure 3 is a side view of this creation in conjunction with the scooter in a ride state. The fourth figure is a schematic diagram of the action when the traction rope is prepared for folding. Fig. 5 is a cross-sectional view showing the limit structure of the present creation in a limit state. Fig. 6 is a cross-sectional view showing the state in which the creation limit structure is released. The 7th to 9th drawings are diagrams showing the action of the folding mechanism starting to be folded after the break point of the creation. Figure 10 is a three-dimensional appearance of the creation of the seat with the scooter after the seat folding operation. Figure 11 is a side view of the creation of the seat with the scooter to complete the seat folding action.

Claims (9)

The utility model relates to a full pivot point operation of a scooter seat folding structure, which comprises two link mechanisms corresponding to each other, and the two link mechanisms are arranged between the frame and the seat of the scooter and are available for selection The height of the scooter seat is changed relative to the frame of the scooter; wherein each of the link mechanisms includes: a first link, the first link includes a first end and a second end a second link, the second link includes a first end and a second end, wherein the first end of the second link is pivotally connected to the first end of the first link, and the second link The second end of the second link is pivotally connected to the frame of the scooter; a third link pivotally connected to the middle portion of the second link, the third link is opposite to the second link The pivot point is to divide the third link into an upper swing arm and a lower swing arm; a fourth link, the fourth link includes a first end pivotally connected to the free end of the lower swing arm, and a a second end pivotally connected to the scooter frame; a fifth link, the fifth link system includes a first end that is pivotally connected to the free end of the upper swing arm, and a second end that is pivotally connected to the second end of the first link; and a stop portion that is disposed on each of the link mechanisms Between any two pivoting links; when the link mechanism supports the seat in a riding state, the blocking portion is pressed against a corresponding link in the forward direction, so that the two link mechanisms cannot Reverse the folding action. The full pivot point operation of the scooter seat folding structure according to claim 1, wherein the stopping portion is disposed on the first end of the fourth link of each link mechanism; When the link mechanism supports the seat in a riding state, the stopping portion is pressed against the lower swing arm. The full pivot point operation of the scooter seat folding structure according to claim 2, wherein the third link is a ㄑ type structure, and the third link is opposite to the second link a pivot point is located at a turning point of the ㄑ-shaped structure, and when the two-bar linkage supports the seat in a riding state, the yaw arm and the fourth link pivot point on the frame The front link is located at a front of the second link and the third link pivot point on the frame; and the orthographic position of the hem arm and the fourth link pivot point on the frame is located at the first position The rear of the second end of the four links. The full- pivot point operation of the scooter seat folding structure according to claim 3, wherein when the link mechanism supports the seat in a riding state, the second end of the fifth link is from the same The pivot point of the upper swing arm extends obliquely rearward and upward. The full pivot point operation of the scooter seat folding structure according to claim 1, 2, 3 or 4, wherein the second end of each of the first links is provided with a limiting structure, and The second end of the fifth link is extended with a top abutting portion; when the link mechanism supports the seat in a riding state, the top abutting portion is reversely abutted against the limiting structure, so that the two links The lever mechanism cannot perform the folding action in reverse. The full pivot point operation of the scooter seat folding structure according to claim 5, wherein the first link is formed with a through hole; the limiting structure includes an axial fixing to the first a sleeve on the inner side of the connecting rod, and a latch bolt slidingly disposed in the sleeve, the latching bolt is inserted through the through hole and is engaged with the top abutting portion when the connecting rod mechanism supports the seat in a riding state; When the seat is to be folded, the latch is selectively collapsed inwardly to release the abutment. The full swing point operation of the scooter seat folding structure according to the sixth aspect of the invention, wherein the sleeve is axially formed with a receiving hole, and the bottom surface of the receiving hole is coaxially formed with a through hole. The aperture of the through hole is smaller than the aperture of the receiving hole, and a shoulder is formed on the bottom surface of the receiving hole; the latching body includes a sliding portion disposed in the receiving hole and extending through the hole a locking portion of the first connecting rod extends coaxially from the wearing portion of the locking portion, the free end of the wearing portion extends through the through hole; a set of springs disposed on the wearing portion, the spring The two ends are respectively abutted against the shoulder and the bottom edge of the clamping portion. The full- pivot point operation of the scooter seat folding structure according to the seventh aspect of the invention, wherein the free end of the locking portion is formed with a guiding slope, and when the seat is converted from a folded state to a seat In the state, the top abutting portion of the fifth link pushes the latch inwardly by the guiding inclined surface, and reversely abuts against the locking portion of the latch after the latch is reset. The scaffolding seat folding structure of the full pivot point operation according to claim 8 further includes a drawstring, and the two ends of the drawstring are respectively connected to the free ends of each of the wearable portions. When the seat is to be folded, the two latches can be pulled inwardly through the pulling action of the drawstring, so that the engaging portion releases the top abutting portion of the fifth link.