Folding mechanism of scooter

Abstract

The present invention belongs to the technical field of scooters, and particularly refers to a scooter folding mechanism, comprising two joint pieces and a folding block rotatably arranged between the joint pieces, a mounting hole is provided in the folding block, a plurality of limiting rings are formed in the mounting hole, a plurality of limiting grooves are formed in the limiting ring, and a hollow tooth claw is clamped on one side of the limiting groove; a rotating shaft is passed through the two joint pieces, the folding block and the tooth claw, an annular seat is formed on the rotating shaft, a compression spring is provided between the annular seat and the tooth claw, a pull pin is provided in the tooth claw, a push rod is connected to the pull pin, the push rod is passed through the rotating shaft, and the push rod is pushed to realize the extension and retraction of the compression spring. The purpose of the present invention is to provide a scooter folding mechanism with a stable structure, convenient folding, and time-saving and labor-saving.

Description

Technical Field

[0001] The invention belongs to the technical field of scooters, and in particular relates to a folding mechanism for a scooter. Background Art

[0002] The scooter is another new type of skateboard product after the transmission skateboard. It saves energy, is easy to operate, has a beautiful appearance, and is safer to drive. However, the folding mechanism of the existing scooter is usually laborious and time-consuming, and is not easy to fold, which is not conducive to a wider application and is not convenient to use. Summary of the invention

[0003] The purpose of the present invention is to provide a scooter folding mechanism which has a stable structure, is convenient to fold, and saves time and effort.

[0004] The objective of the present invention is achieved as follows: a folding mechanism for a scooter comprises two connecting pieces and a folding block rotatably arranged between the connecting pieces, a mounting hole is formed in the folding block, a plurality of limiting rings are formed in the mounting hole, a plurality of limiting grooves are formed in the limiting ring, a hollow tooth claw is clamped on one side of the limiting groove; a rotating shaft is passed through the two connecting pieces, the folding block and the tooth claw, an annular seat is formed on the rotating shaft, a compression spring is provided between the annular seat and the tooth claw, a pull pin is mounted in the tooth claw, a push rod is connected to the pull pin, the push rod is passed through the rotating shaft, and the push rod is pushed to realize the extension and retraction of the compression spring.

[0005] Preferably, a first limit seat and a second limit seat are formed on the tooth claw, and a first limit groove, a second limit groove and a third limit groove are formed inside the limit ring. When the folding mechanism is in a non-folding state, the first limit seat and the second limit seat are respectively clamped in the second limit groove and the third limit groove. When the folding mechanism is in a folding state, the first limit seat and the second limit seat are respectively clamped in the first limit groove and the second limit groove.

[0006] Preferably, a slide groove is formed in the rotating shaft, and the pull pin is slidably arranged in the slide groove.

[0007] Preferably, both ends of the rotating shaft are provided with external threads, one end of the rotating shaft is threadedly connected with a cap-shaped nut abutting against the joint piece, and the other end of the rotating shaft is threadedly connected with a nut abutting against the joint piece.

[0008] Preferably, a waist-shaped hole is provided in the tooth claw to prevent the rotating shaft from rotating, and the rotating shaft is inserted into the waist-shaped hole.

[0009] Preferably, a first through hole and a second through hole are respectively provided at both ends of the folding block, a first pair of sleeve bolts are passed through the first through hole, a second pair of sleeve bolts are passed through the second through hole, both sides of the first pair of sleeve bolts and the second pair of sleeve bolts are provided with retaining sleeves, the other side of the retaining sleeves abuts against the folding block, when the folding mechanism is in an unfolded state, the second pair of sleeve bolts abuts against the joint plate, and when the folding mechanism is in a folded state, the first pair of sleeve bolts abuts against the joint plate.

[0010] Preferably, a sliding groove is provided on the folding block, a sliding column is provided in the sliding groove, and the sliding column is mounted between two connecting pieces.

[0011] Preferably, the annular seat is installed in a mounting portion formed on one side of the mounting hole.

[0012] Compared with the prior art, the present invention has the following outstanding and beneficial technical effects: the scooter folding mechanism of the present invention is easy to operate, and can be folded easily, labor-savingly and quickly, and both the folded and unfolded states are limited by limit grooves, which can effectively maintain the folded and unfolded states and avoid the phenomenon of unstable unfolded or folded states. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is an exploded view of the present invention;

[0014] Figure 2 This is a simplified structural diagram of the present invention after the folding block and the connector piece are removed;

[0015] Figure 3 It is a structural diagram of the present invention;

[0016] Figure 4 It is a structural diagram of the folding block of the present invention. DETAILED DESCRIPTION

[0017] The present invention is further described below with reference to specific embodiments.

[0018] like Figure 1-4 As shown, a folding mechanism of a scooter comprises two connector pieces 2 and a folding block 1 rotatably arranged between the connector pieces 2, a mounting hole 15 is opened in the folding block 1, a plurality of limiting rings 16 are formed in the mounting hole 15, a plurality of limiting grooves 17 are formed in the limiting ring 16, a hollow tooth claw 3 is clamped on one side of the limiting groove 17; a rotating shaft 4 is passed through the two connector pieces 2, the folding block 1 and the tooth claw 3, an annular seat 28 is formed on the rotating shaft 4, a compression spring 7 is arranged between the annular seat 28 and the tooth claw 3, a pull pin 11 is mounted in the tooth claw 3, a push rod 14 is connected to the pull pin 11, the push rod 14 is passed through the rotating shaft 4, and the push rod 14 is pushed to realize the extension and retraction of the compression spring 7.

[0019] The folding mechanism of the scooter of the present technical solution is easy to operate, and can be folded easily, labor-savingly and quickly. The folding and unfolding states are limited by limit grooves, which can effectively maintain the folding and unfolding states and avoid the phenomenon of unstable unfolding or folding states.

[0020] Preferably, a first limit seat 18 and a second limit seat 19 are formed on the tooth claw 3, and a first limit groove 20, a second limit groove 21 and a third limit groove 22 are formed inside the limit ring 16. When the folding mechanism is in a non-folding state, the first limit seat 18 and the second limit seat 19 are respectively clamped in the second limit groove 21 and the third limit groove 22. When the folding mechanism is in a folding state, the first limit seat 18 and the second limit seat 19 are respectively clamped in the first limit groove 20 and the second limit groove 21.

[0021] Preferably, a slide groove 23 is formed in the rotating shaft 4 , and the pull pin 11 is slidably disposed in the slide groove 23 .

[0022] Preferably, both ends of the rotating shaft 4 are provided with external threads 24 , one end of the rotating shaft 4 is threadedly connected with a cap nut 8 abutting against the joint piece 2 , and the other end of the rotating shaft 4 is threadedly connected with a nut 9 abutting against the joint piece 2 .

[0023] Preferably, a waist-shaped hole 25 is provided in the tooth claw 3 to prevent the rotating shaft 4 from rotating, and the rotating shaft 4 is inserted into the waist-shaped hole 25 .

[0024] Preferably, a first through hole 26 and a second through hole 27 are respectively provided at both ends of the folding block 1, a first pair of sleeve bolts 12 are passed through the first through hole 26, a second pair of sleeve bolts 13 are passed through the second through hole 27, both sides of the first pair of sleeve bolts 12 and the second pair of sleeve bolts 13 are provided with a retaining sleeve 6, the other side of the retaining sleeve 6 abuts against the folding block 1, when the folding mechanism is in a non-folding state, the second pair of sleeve bolts 13 abuts against the joint plate 2, and when the folding mechanism is in a folding state, the first pair of sleeve bolts 12 abuts against the joint plate 2.

[0025] Preferably, a sliding groove 30 is provided on the folding block 1 , a sliding column 31 is provided in the sliding groove 30 , and the sliding column 31 is mounted between the two joint pieces 2 .

[0026] Preferably, the annular seat 28 is installed in a mounting portion formed on one side of the mounting hole 15 .

[0027] Working principle: According to the technical solution, when the user needs to fold the scooter, the push rod 14 is pushed to release the folding mechanism. At this time, the push rod 14 and the tooth claw 3 are subjected to pressure, and the tooth claw 3 squeezes the compression spring 7, so that the tooth claw 3 moves toward the outside of the limiting ring 16, and the first limiting seat 18 and the second limiting seat 19 on the tooth claw leave the second limiting groove 21 and the third limiting groove 22. At this time, the folding block 1 can rotate freely, and the first limiting seat 18 and the second limiting seat 19 are rotated and connected to the first limiting seat 18 and the second limiting seat 19 to achieve folding; when the user needs to use the scooter, the push rod 14 is released, and the tooth claw 3 is subjected to the elastic force of the compression spring 7 and is clamped into the limiting ring 16, so that the first limiting seat 18 and the second limiting seat 19 are rotated and connected to the second limiting seat 19 and the second limiting groove 21 for fixation, so that the scooter can be unfolded and used.

[0028] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A folding mechanism for a scooter, characterized in that: The invention comprises two joint pieces (2) and a folding block (1) rotatably arranged between the joint pieces (2), wherein a mounting hole (15) is formed in the folding block (1), wherein a plurality of limiting rings (16) are formed in the mounting hole (15), wherein a plurality of limiting grooves (17) are formed in the limiting ring (16), wherein a hollow tooth claw (3) is clamped on one side of the limiting groove (17); a rotating shaft (4) is passed through the two joint pieces (2), the folding block (1) and the tooth claw (3), wherein an annular seat (28) is formed on the rotating shaft (4), wherein a compression spring (7) is arranged between the annular seat (28) and the tooth claw (3), wherein a pull pin (11) is arranged in the tooth claw (3), wherein a push rod (14) is connected to the pull pin (11), wherein the pull pin (11) is connected to the push rod (14 ... A push rod (14) is inserted into the rotating shaft (4) and pushes the push rod (14) to realize the extension and retraction of the compression spring (7). A first limiting seat (18) and a second limiting seat (19) are formed on the tooth claw (3). A first limiting groove (20), a second limiting groove (21) and a third limiting groove (22) are formed in the limiting ring (16). When the folding mechanism is in a non-folding state, the first limiting seat (18) and the second limiting seat (19) are respectively clamped in the second limiting groove (21) and the third limiting groove (22). When the folding mechanism is in a folding state, the first limiting seat (18) and the second limiting seat (19) are respectively clamped in the first limiting groove (20) and the second limiting groove (21). A slide groove (23) is formed in the rotating shaft (4), and the pull pin (11) is slidably arranged in the slide groove (23). External threads (24) are arranged at both ends of the rotating shaft (4). A cap nut (8) abutting against the joint piece (2) is screwed to one end of the rotating shaft (4), and a nut (9) abutting against the joint piece (2) is screwed to the other end of the rotating shaft (4). A waist-shaped hole (25) is provided in the tooth claw (3) to prevent the rotating shaft (4) from rotating. The rotating shaft (4) is inserted into the waist-shaped hole (25). A first through hole (26) and a second through hole (27) are respectively provided at both ends of the folding block (1). A first pair of sleeve bolts (12) are inserted into the first through hole (26), and a first pair of sleeve bolts (12) are inserted into the second through hole (27). ) is penetrated by a second pair of sleeve bolts (13), both sides of the first pair of sleeve bolts (12) and the second pair of sleeve bolts (13) are provided with stop sleeves (6), the other side of the stop sleeve (6) is in contact with the folding block (1), when the folding mechanism is in a non-folding state, the second pair of sleeve bolts (13) are in contact with the joint piece (2), when the folding mechanism is in a folding state, the first pair of sleeve bolts (12) are in contact with the joint piece (2), a sliding groove (30) is provided on the folding block (1), a sliding column (31) is provided in the sliding groove (30), the sliding column (31) is mounted between the two joint pieces (2), and the annular seat (28) is installed in a mounting portion formed on one side of the mounting hole (15).

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