Folding structure of a scooter

Abstract

The present invention discloses a folding structure of a scooter, including a frame assembly, a button assembly, a linkage assembly, and a locking assembly. The frame assembly includes a head pipe, a bottom plate, and a folding axis. The frame assembly is the main part of the scooter. The head pipe rotates through the folding axis to cooperate with the bottom plate to form a folding position and an unfolding position, thereby realizing the folding and unfolding of the scooter. When the scooter is in the unfolding position, the locking assembly cooperates with the bottom plate to form a locking position to lock and fix the scooter. The button assembly is used for unlocking. When unlocking, the button assembly drives the linkage assembly to move, and the linkage assembly drives the locking assembly to disengage from the locking position, so that the locking assembly cooperates with the bottom plate to form an unlocking position. When in the unlocking position, the scooter can be folded. The main body of the button assembly is hidden in the head pipe, and the appearance is more beautiful, which meets the aesthetic needs of modern people.

Description

Technical Field

[0001] The invention relates to a folding structure, in particular to a folding structure of a scooter. Background Art

[0002] The scooter is a simple and labor-saving sports machine. Due to its moderate speed and simple operation, it is warmly welcomed by young people. In order to reduce the transportation packaging volume and storage space of the scooter, the current scooters are generally equipped with a folding device, so that the scooter can be folded or unfolded through the folding device, which is more convenient for storage and transportation.

[0003] In recent years, in order to improve the portability of scooters, more and more manufacturers have begun to design the connection device between the front and the bottom plate of the scooter into a folding device with a folding function. However, the existing folding device is not safe enough and cannot meet people's growing needs. In addition, the folding parts are exposed and not beautiful enough, and improvements are needed. Summary of the invention

[0004] The present invention aims to solve the defects of the folding device in the prior art, such as insufficient safety and failure to meet the growing needs of people, and provides a new folding structure for a scooter.

[0005] In order to solve the above technical problems, the present invention is implemented by the following technical solutions:

[0006] A folding structure of a scooter comprises a frame assembly, a button assembly, a linkage assembly and a locking assembly. The frame assembly comprises a head pipe, a bottom plate and a folding axis. The button assembly is arranged in the head pipe. The button assembly is connected to the locking assembly via a linkage assembly. The folding axis passes through the bottom plate and the head pipe. The head pipe cooperates with the bottom plate via the folding axis to form a folding position and an unfolding position. The locking assembly cooperates with the bottom plate to form a locking position and an unlocking position.

[0007] The frame assembly is the main part of the scooter and provides space for other components. The head tube rotates through the folding axis to cooperate with the bottom plate to form a folding position and an unfolding position, thereby realizing the folding and unfolding of the scooter. When the scooter is in the unfolded position, the locking assembly cooperates with the bottom plate to form a locking position to lock and fix the scooter, thereby preventing the scooter from folding by itself during use and causing unnecessary losses. The button assembly is used for unlocking. When unlocking, the button assembly drives the linkage assembly to move, and the linkage assembly drives the locking assembly to disengage from the locking position, so that the locking assembly cooperates with the bottom plate to form an unlocking position. When in the unlocking position, the scooter can be folded. The main body of the button assembly is hidden in the head tube, and the appearance is more beautiful, which meets the aesthetic needs of modern people.

[0008] Preferably, in the above-mentioned folding structure of a scooter, the button assembly includes a pull-twist, a button, a button fixing pin, a pull-twist fixing pin, and a pull-twist connecting pin. The pull-twist is provided with a pull-twist fixing pin through hole and an eccentric hole. The button is provided with a button fixing pin through hole. The pull-twist fixing pin passes through the pull-twist fixing pin through hole to enable the pull-twist to be rotatably connected to the head tube. The button fixing pin passes through the button fixing pin through hole to enable the button to be rotatably connected to the head tube. The pull-twist connecting pin is inserted into the eccentric hole to be connected to the pull-twist. The pull-twist connecting pin is connected to the linkage assembly, and the button drives the pull-twist to rotate outward.

[0009] The button fixing pin is used to connect the button to the head tube rotationally, and the pull-twist fixing pin is used to connect the pull-twist to the head tube rotationally. The button can be pressed by the user. After the user presses the button, the button will rotate and drive the pull-twist to rotate, so that the user can pull the pull-twist at a better angle, which is more comfortable and labor-saving. The eccentric hole provides an installation space for the pull-twist connecting pin. When the pull-twist rotates, the pull-twist connecting pin passing through the eccentric hole also rotates and moves, driving the linkage component to move.

[0010] Preferably, in the above-mentioned folding structure of a scooter, the pull-twist comprises a pull-twist pulling portion, and the button comprises a button pressing portion, and when in the locked position, the button pressing portion is exposed from the surface of the head tube, and the pull-twist is located inside the head tube, and when in the unlocked position, the pull-twist pulling portion is exposed from the surface of the head tube, and the button is located inside the head tube.

[0011] The pull-twist pulling part allows the user to apply force to pull the pull-twist, and the button pressing part allows the user to apply force to press the button. After the user presses the button pressing part, the button drives the pull-twist to rotate, and the pull-twist pulling part rotates and exposes the surface of the head tube, so that the user can pull the pull-twist pulling part at a better angle, which is more comfortable and labor-saving. The pull-twist is hidden in the head tube, which looks more beautiful in appearance and is more in line with the aesthetics of modern people.

[0012] Preferably, in the above-mentioned scooter folding structure, the button includes a button pushing portion, and the button pushing portion abuts against the pull-twist connecting pin.

[0013] After the button is pressed, the button rotates, the button pushing part drives the pull-twist connecting pin to rotate, the pull-twist connecting pin drives the pull-twist to rotate, and the pull-twist pulling part is exposed from the surface of the head pipe.

[0014] Preferably, in the above-mentioned folding structure of a scooter, the button assembly also includes a linked torsion spring and a torsion spring, one end of the linked torsion spring is sleeved on the button fixing pin, and the other end of the linked torsion spring is sleeved on the tension-twist fixing pin, one end of the torsion spring is sleeved on the button fixing pin, and the other end of the torsion spring is in contact with the tension-twist fixing pin, and the linked torsion spring and the torsion spring provide elastic restoring force for the button and the tension-twist.

[0015] The linked torsion spring and the torsion spring provide elastic restoring force for the button and the pull-twist, so that the pull-twist and the button can be reset better.

[0016] Preferably, in the above-mentioned folding structure of a scooter, the linkage assembly includes a linkage shaft and a pull-connecting screw, and the pull-connecting screw passes through the linkage shaft and is connected to the pull-twist connecting pin.

[0017] The twisting connecting pin pulls the connecting screw, the connecting screw drives the linkage shaft to move, and the linkage shaft drives the locking assembly to form an unlocking position.

[0018] Preferably, in the above-mentioned folding structure of a scooter, the linkage assembly also includes a pulling spring, one end of the pulling spring is connected to the pull-twist connecting pin, and the other end of the pulling spring is connected to the linkage shaft.

[0019] The pulling spring provides elastic force for the pulling and twisting connecting pin and the connecting shaft, so that the connecting assembly can transmit better.

[0020] Preferably, in the above-mentioned folding structure of a scooter, the locking assembly includes a fixing spring, a pull tab, a pull tab fixing pin, and a fixing, the pull tab fixing pin passes through the pull tab to connect the linkage assembly, the fixing spring provides elastic restoring force for the fixing, and the fixing is connected to the head pipe to form a locking position, and the pull tab cooperates with the fixing to lock.

[0021] The pull-tab fixing pin is used to connect the pull-tab and the linkage assembly. When the locking position is formed, the pull-tab cooperates with the fixing part to lock and prevent the scooter from folding. When unlocking, the linkage assembly drives the pull-tab fixing pin to move, the pull-tab fixing pin drives the pull-tab to move, and the pull-tab drives the fixing part to shrink and leave the locking position. The fixing part spring is used to provide elastic restoring force for the fixing part. When locking, the fixing part spring cooperates with the pull-tab to stretch the fixing part to restore it to the original locking position.

[0022] Preferably, in the above-mentioned folding structure of a scooter, a pull-tab inclined surface is provided on the lower side of the pull-tab, and the fixing member is provided with a fixing member inclined surface matching with the pull-tab inclined surface.

[0023] The inclined surface of the pull tab cooperates with the inclined surface of the fixing part to make it easier for the fixing part to retract and disengage from the locked position. The linkage assembly is used to pull the pull tab to move. After the linkage assembly pulls the pull tab to move, the inclined surface of the fixing part first slides along the inclined surface of the pull tab to make the fixing part retract inward, and then the fixing part is driven by the pull tab to disengage from the locked position, so that the scooter is unlocked.

[0024] Preferably, in the above-mentioned scooter folding structure, the locking assembly also includes a hook, a hook fixing pin, and the pull-tab fixing pin passes through the hook and the pull-tab connecting linkage assembly in sequence, one end of the hook fixing pin is connected to the head pipe, and the other end of the hook fixing pin passes through the hook.

[0025] The hook piece and the hook piece fixing pin cooperate to form another locking position, so that the scooter has at least two locking positions, which is safer and more reliable. When unlocking, the linkage assembly drives the pull piece fixing pin to move, and the pull piece fixing pin is pulled to drive the hook piece to move, so that the hook piece is released from the locking position at the same time as the fixing member is released from the locking position, so that the scooter is unlocked.

[0026] Preferably, in the above-mentioned folding structure of a scooter, the hook is provided with a receiving groove, and the other end of the hook fixing pin passes through the receiving groove.

[0027] The shape of the accommodating groove is the shape of the trajectory of relative displacement of the hook piece and the hook piece fixing pin when the scooter is locked and unlocked, so that the hook piece can move more smoothly when the scooter is locked and unlocked, making the scooter locking and unlocking more convenient.

[0028] Preferably, in the above-mentioned folding structure of a scooter, the frame assembly further comprises a structure box, the locking assembly, the linkage assembly and the button assembly are connected to the structure box, and the structure box is arranged in the head pipe.

[0029] The locking assembly, the linkage assembly, the button assembly and the structure box are connected, so that the scooter is easier to disassemble for maintenance and repair in future use.

[0030] Preferably, in the above-mentioned folding structure of a scooter, the structure box is provided with a special-shaped groove, and the special-shaped groove cooperates with the pull-tab fixing pin.

[0031] The shape of the special-shaped groove is the shape of the trajectory of relative displacement of the pull-tab fixing pin and the structural box when the scooter is locked and unlocked. The special-shaped groove enables the pull-tab fixing pin to move more smoothly when the scooter is locked and unlocked, making it more convenient to lock and unlock the scooter.

[0032] Preferably, in the above-mentioned folding structure of a scooter, a bottom plate locking hole is provided on the bottom plate, and a fixing piece connecting hole is provided on the head pipe, and when a locking position is formed, the fixing piece is sequentially inserted into the fixing piece connecting hole and the bottom plate locking hole, and when an unlocking position is formed, the fixing piece is disengaged from the fixing piece connecting hole and the bottom plate locking hole.

[0033] When the scooter is in the unfolded position and the locked position, the fixing piece is inserted into the fixing piece connecting hole and the bottom plate locking hole in sequence. When unlocking, the linkage assembly drives the pull tab to move. After the pull tab pulls the fixing piece out of the fixing piece connecting hole and the bottom plate locking hole, the scooter is unlocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a cross-sectional view of the present invention in the unfolded position and the locked position;

[0035] Figure 2 It is a cross-sectional view of the present invention in a folded position and an unlocked position;

[0036] Figure 3 The explosion of the present invention Figure 1 ;

[0037] Figure 4 The explosion of the present invention Figure 2 ;

[0038] Figure 5 It is a partial cross-sectional view of the present invention in the unfolded position and the locked position;

[0039] Figure 6 It is a partial cross-sectional view of the present invention in a folded position and an unlocked position;

[0040] Figure 7 It is a schematic diagram of the structure of the pull-twist in the present invention;

[0041] Figure 8 It is a structural schematic diagram of a button in the present invention;

[0042] Fig. 9 It is a schematic diagram of the structure of the fixing member, the pull tab, and the fixing member spring in the present invention;

[0043] Fig.10 It is a schematic diagram of the structure of the present invention in the unfolded position and the locked position. DETAILED DESCRIPTION

[0044] The following is combined with Figure 1-10 The present invention is further described in detail with specific embodiments, but they are not intended to limit the present invention:

[0045] Example 1

[0046] like Figure 1-Figure 10 As shown, a folding structure of a scooter includes a frame assembly 4, a button assembly 1, a linkage assembly 2, and a locking assembly 3. The frame assembly 4 includes a head pipe 41, a bottom plate 42, and a folding shaft 44. The button assembly 1 is arranged in the head pipe 41, and the button assembly 1 is connected to the locking assembly 3 through the linkage assembly 2. The folding shaft 44 passes through the bottom plate 42 and the head pipe 41. The head pipe 41 cooperates with the bottom plate 42 through the folding shaft 44 to form a folding position and an unfolding position. The locking assembly 3 cooperates with the bottom plate 42 to form a locking position and an unlocking position.

[0047] When the user needs to unlock and fold the scooter, he first presses the button assembly 1 in the head tube 41, the button assembly 1 drives the linkage assembly 2 to move, the linkage assembly 2 drives the locking assembly 3 to move, the locking assembly 3 is disengaged from the locking position, the scooter is unlocked, and then the user presses the head tube 41 to rotate the head tube 41 toward the bottom plate 42 with the folding axis 44 as the axis to form a folded position.

[0048] Preferably, the button assembly 1 includes a pull-twist 11, a button 12, a button fixing pin 13, a pull-twist fixing pin 14, and a pull-twist connecting pin 21. The pull-twist 11 is provided with a pull-twist fixing pin through hole 113 and an eccentric hole 112. The button 12 is provided with a button fixing pin through hole 123. The pull-twist fixing pin 14 passes through the pull-twist fixing pin through hole 113 to enable the pull-twist 11 to be rotatably connected to the head pipe 41. The button fixing pin 13 passes through the button fixing pin through hole 123 to enable the button 12 to be rotatably connected to the head pipe 41. The pull-twist connecting pin 21 is inserted into the eccentric hole 112 and connected to the pull-twist 11. The pull-twist connecting pin 21 is connected to the linkage assembly 2, and the button 12 drives the pull-twist 11 to rotate outward.

[0049] Preferably, the knob 11 includes a knob pulling portion 111, and the button 12 includes a button pressing portion 121. When in the locked position, the button pressing portion 121 is exposed from the surface of the head tube 41, and the knob 11 is located inside the head tube 41. When in the unlocked position, the knob pulling portion 111 is exposed from the surface of the head tube 41, and the button 12 is located inside the head tube 41.

[0050] Preferably, the button 12 includes a button pushing portion 122 , and the button pushing portion 122 abuts against the pull-twist connecting pin 21 .

[0051] Preferably, the button assembly 1 also includes a linked torsion spring 15 and a torsion spring 16, one end of the linked torsion spring 15 is sleeved on the button fixing pin 13, and the other end of the linked torsion spring 15 is sleeved on the pull-twist fixing pin 14, one end of the torsion spring 16 is sleeved on the button fixing pin 13, and the other end of the torsion spring 16 is in contact with the pull-twist fixing pin 14, and the linked torsion spring 15 and the torsion spring 16 provide elastic restoring force for the button 12 and the pull-twist 11.

[0052] Preferably, the linkage assembly 2 includes a linkage shaft 23 and a pulling connection screw 24 , and the pulling connection screw 24 passes through the linkage shaft 23 and is connected to the pulling and twisting connecting pin 21 .

[0053] Preferably, the linkage assembly 2 further comprises a pulling spring 22 , one end of the pulling spring 22 is connected to the pull-twist connecting pin 21 , and the other end of the pulling spring 22 is connected to the linkage shaft 23 .

[0054] Preferably, the locking assembly 3 includes a fixing spring 31, a pull tab 32, a pull tab fixing pin 33, and a fixing 34. The pull tab fixing pin 33 passes through the pull tab 32 to connect to the linkage assembly 2. The fixing spring 31 provides elastic restoring force for the fixing 34. The fixing 34 is connected to the head pipe 41. When the locking position is formed, the pull tab 32 cooperates with the fixing 34 for locking.

[0055] Preferably, a pull-tab inclined surface 321 is provided on the lower side of the pull-tab 32 , and a fixing member inclined surface 341 matching with the pull-tab inclined surface 321 is provided on the fixing member 34 .

[0056] Preferably, the locking assembly 3 also includes a hook 35, a hook fixing pin 36, and the pull tab fixing pin 33 passes through the hook 35 and the pull tab 32 in sequence to connect to the linkage assembly 2, one end of the hook fixing pin 36 is connected to the head pipe 41, and the other end of the hook fixing pin 36 passes through the hook 35.

[0057] Preferably, the hook piece 35 is provided with a receiving groove 351 , and the other end of the hook piece fixing pin 36 passes through the receiving groove 351 .

[0058] Preferably, the frame assembly 4 further includes a structure box 43 , the locking assembly 3 , the linkage assembly 2 , and the button assembly 1 are connected to the structure box 43 , and the structure box 43 is disposed in the head pipe 41 .

[0059] Preferably, the structure box 43 is provided with a special-shaped groove 431 , and the special-shaped groove 431 cooperates with the pull-tab fixing pin 33 .

[0060] Preferably, a bottom plate locking hole 421 is provided on the bottom plate 42, and a fixing member connecting hole 411 is provided on the head pipe 41. When a locking position is formed, the fixing member 34 is inserted into the fixing member connecting hole 411 and the bottom plate locking hole 421 in sequence. When an unlocking position is formed, the fixing member 34 is disengaged from the fixing member connecting hole 411 and the bottom plate locking hole 421.

[0061] More specifically, when the scooter needs to be unlocked and folded, the user first presses the button pressing portion 121 of the button 12, and the button 12 rotates with the button fixing pin 13 as the axis, and the button pushing portion 122 pushes the pull-twist connecting pin 21 to rotate, and the pull-twist connecting pin 21 drives the pull-twist 11 to rotate with the pull-twist fixing pin 14 as the axis, and the pull-twist pulling portion 111 is exposed from the surface of the head tube 41. The user holds the pull-twist pulling portion 111 and uses the pull-twist pulling portion 111 as the force application point to make the pull-twist 11 further rotate. The rotation of the pull-twist 11 drives the pull-twist connecting pin 21 to further move, and the pull-twist connecting pin 21 drives the pull-twist The connecting screw 24 is displaced, and the connecting screw 24 is pulled to drive the linkage shaft 23 to displace, and the linkage shaft 23 drives the pull-tab fixing pin 33 to displace, and the pull-tab fixing pin 33 drives the pull-tab 32 to displace, and the pull-tab 32 drives the fixing member 34 to shrink along the pull-tab inclined surface 321 and the fixing member inclined surface 341 and disengage from the fixing member connecting hole 411 and the bottom plate locking hole 421, and the fixing member 34 is unlocked. At the same time, the linkage shaft 23 drives the hook piece 35 to displace, and the hook piece 35 disengages from the hook piece fixing pin 36 along the accommodating groove 351, and the hook piece 35 is unlocked. At this time, the locking assembly 3 forms an unlocked position, and the scooter is unlocked.

[0062] In conclusion, the above is only a preferred embodiment of the present invention, and all equivalent changes and modifications made within the scope of the patent application of the present invention should fall within the scope of the present invention.

Claims

1. A folding structure of a scooter, characterized in that: The vehicle comprises a frame assembly (4), a button assembly (1), a linkage assembly (2), and a locking assembly (3); the frame assembly (4) comprises a head pipe (41), a bottom plate (42), and a folding shaft (44); the button assembly (1) is arranged in the head pipe (41); the button assembly (1) is connected to the locking assembly (3) via the linkage assembly (2); the folding shaft (44) passes through the bottom plate (42) and the head pipe (41); the head pipe (41) cooperates with the bottom plate (42) via the folding shaft (44) to form a folding position and an unfolding position; the locking assembly (3) cooperates with the bottom plate (42) to form a locking position and an unlocking position; The button assembly (1) comprises a pull-twist (11), a button (12), a button fixing pin (13), a pull-twist fixing pin (14), and a pull-twist connecting pin (21); the pull-twist (11) is provided with a pull-twist fixing pin through hole (113) and an eccentric hole (112); the button (12) is provided with a button fixing pin through hole (123); the pull-twist fixing pin (14) passes through the pull-twist fixing pin through hole (113) so that the pull-twist (11) is rotatably connected to the head tube (41); the button fixing pin (13) passes through the button fixing pin through hole (123) so that the button (12) is rotatably connected to the head tube (41); the pull-twist connecting pin (21) is inserted into the eccentric hole (112) and connected to the pull-twist (11); the pull-twist connecting pin (21) is connected to the linkage assembly (2); and the button (12) drives the pull-twist (11) to rotate outwards; The pull-twist (11) comprises a pull-twist pulling portion (111), and the button (12) comprises a button pressing portion (121); when in a locked position, the button pressing portion (121) is exposed from the surface of the head tube (41), and the pull-twist (11) is located inside the head tube (41); when in an unlocked position, the pull-twist pulling portion (111) is exposed from the surface of the head tube (41), and the button (12) is located inside the head tube (41); The button (12) comprises a button pushing portion (122), and the button pushing portion (122) abuts against the pull-twist connecting pin (21); The button assembly (1) further comprises a linked torsion spring (15) and a torsion spring (16); one end of the linked torsion spring (15) is sleeved on the button fixing pin (13); the other end of the linked torsion spring (15) is sleeved on the tension-twist fixing pin (14); one end of the torsion spring (16) is sleeved on the button fixing pin (13); the other end of the torsion spring (16) is in contact with the tension-twist fixing pin (14); the linked torsion spring (15) and the torsion spring (16) provide elastic restoring force for the button (12) and the tension-twist (11); The linkage assembly (2) comprises a linkage shaft (23) and a pulling connection screw (24), wherein the pulling connection screw (24) passes through the linkage shaft (23) and is connected to the pulling and twisting connection pin (21); The linkage assembly (2) further comprises a pulling spring (22), one end of the pulling spring (22) being connected to the pulling-twisting connecting pin (21), and the other end of the pulling spring (22) being connected to the linkage shaft (23); The locking assembly (3) comprises a fixing member spring (31), a pull tab (32), a pull tab fixing pin (33), and a fixing member (34); the pull tab fixing pin (33) passes through the pull tab (32) and is connected to the linkage assembly (2); the fixing member spring (31) provides an elastic restoring force for the fixing member (34); the fixing member (34) is connected to the head pipe (41); when a locking position is formed, the pull tab (32) cooperates with the fixing member (34) to be locked.

2. A scooter folding structure according to claim 1, characterized in that: The pull tab (32) is provided with a pull tab inclined surface (321) at the lower side, and the fixing member (34) is provided with a fixing member inclined surface (341) matching the pull tab inclined surface (321).

3. The folding structure of a scooter according to claim 1, characterized in that: The locking assembly (3) further comprises a hook piece (35), a hook piece fixing pin (36), and the pull piece fixing pin (33) passes through the hook piece (35) and the pull piece (32) in sequence to connect to the linkage assembly (2); one end of the hook piece fixing pin (36) is connected to the head pipe (41), and the other end of the hook piece fixing pin (36) passes through the hook piece (35).

4. The folding structure of a scooter according to claim 3, characterized in that: The hook piece (35) is provided with a receiving groove (351), and the other end of the hook piece fixing pin (36) passes through the receiving groove (351).

5. The folding structure of a scooter according to claim 1, characterized in that: The frame assembly (4) further comprises a structural box (43); the locking assembly (3), the linkage assembly (2), and the button assembly (1) are connected to the structural box (43); and the structural box (43) is arranged in the head pipe (41).

6. The folding structure of a scooter according to claim 5, characterized in that: The structural box (43) is provided with a special-shaped groove (431), and the special-shaped groove (431) cooperates with the pull-tab fixing pin (33).

7. The folding structure of a scooter according to claim 1, characterized in that: The bottom plate (42) is provided with a bottom plate locking hole (421), and the head pipe (41) is provided with a fixing piece connecting hole (411); when a locking position is formed, the fixing piece (34) is sequentially inserted into the fixing piece connecting hole (411) and the bottom plate locking hole (421); when an unlocking position is formed, the fixing piece (34) is separated from the fixing piece connecting hole (411) and the bottom plate locking hole (421).

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