A riser folding mechanism

Abstract

The utility model discloses a vertical pipe folding mechanism, its characterized in that still include the vertical pipe of one end foldable installation on the support and set up in the support and vertical pipe are used for locking vertical pipe and make vertical pipe be in the vertical state locking structure, vertical pipe lower extreme installation with support swing joint's connecting seat. The utility model makes folding bicycle or folding electric bicycle can simply and fast carry out folding or unfolding, and the operation is simple and convenient and fast, through the setting of safety lock, through safety lock to drive piece and lock, avoid setting in the vertical pipe of bicycle or electric vehicle when being in the open vertical state and cause drive piece to rotate to drive piece, drive piece when rotating drive locking piece and cause vertical pipe to fold, and the safety protection effect is born.

Description

Technical Field

[0001] This utility model relates to riser folding, specifically a riser folding mechanism. Background Technology

[0002] With the increasing popularity of electric bicycles, people now have higher demands for their ease of storage and portability. To address this, many manufacturers have continuously researched and improved their designs to create smaller and more efficient folding structures for electric bicycles. Among these, the folding of the stem is one of the challenges faced by all folding electric bicycles.

[0003] Existing riser folding mechanisms typically include an upper hub structure connected to the riser, a lower hub structure mounted on a support, and a locking structure for securing the upper and lower hub structures. The locking structure uses bolts for fastening, but this method requires tightening the bolts for folding or unfolding, making the entire folding process cumbersome. If bolt fastening is not used, the riser is easily unlocked in the event of a collision or other misoperation. Therefore, a riser folding mechanism is proposed. Utility Model Content

[0004] The purpose of this utility model is to provide a riser folding mechanism to solve the above problems.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a riser folding mechanism, including a support; characterized in that it further includes a riser mounted on the support with one end foldable, and a locking structure disposed on the support and the riser for locking the riser to keep it in an upright state; the lower end of the riser is fitted with a connecting seat movably connected to the support; the locking structure includes a locking member movably mounted on the support via a pin and used to fix the connecting seat on the support, a driving member movably mounted on the support with one end via a pin, and a torsion spring mounted on the pin with one end connected to the locking member and the other end abutting against the driving member to automatically reset the locking member; the locking member is provided with a hook for fixing the connecting seat and a driving part that cooperates with the driving member and is driven to rotate by the driving member; the driving member is provided with a toggle part that abuts against the driving part when the driving member rotates, thereby driving the locking member to rotate and unlocking.

[0006] A further preferred embodiment includes a hook groove on the connecting seat corresponding to the hook of the locking member, and a fixing shaft installed in the hook groove to cooperate with the hook and fix the connecting seat on the support.

[0007] A further preferred embodiment includes a guide drive surface disposed on the hook portion, which flips the connecting seat onto the support to facilitate the fixed shaft pressing against the locking member and pushing the locking member to rotate.

[0008] A further preferred embodiment includes a safety lock installed on the riser and the drive component to limit the position of the drive component, while preventing accidental activation of the locking component and resulting in unlocking.

[0009] More preferably, the safety lock includes a lock block mounted on the riser, a lock cylinder movably mounted on the drive component, a lock groove disposed on the lock block, and a locking plate disposed on the lock cylinder corresponding to the lock groove.

[0010] More preferably, the locking groove and the locking platform are provided with a guide surface on one side to guide the locking platform into the locking groove, and a thrust surface on the other side to prevent the locking platform from falling out of the locking groove. The front end of the locking block is also provided with a guide arc surface to avoid interference with the locking platform.

[0011] A further preferred embodiment includes an unlocking component movably mounted on the drive component and fixedly connected to the lock cylinder, used to drive the lock cylinder to perform an action to achieve unlocking, and a spring installed between the drive component and the unlocking component to push the unlocking component to reset, while simultaneously driving the locking plate to lock in the lock groove.

[0012] The beneficial effects of this utility model are: by setting up this device, folding bicycles or folding electric vehicles can be folded or unfolded simply and quickly, and the operation is simple, convenient and fast;

[0013] The safety lock is used to lock the drive unit, preventing the stem of a bicycle or electric vehicle from accidentally touching the drive unit when it is in the open and upright position, causing the drive unit to rotate. When the drive unit rotates, it unlocks the locking mechanism, causing the stem to fold, thus providing a safety protection function. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a partial structural schematic diagram of the present invention;

[0016] Figure 3 This is a cross-sectional structural schematic diagram of the present invention;

[0017] Figure 4 This is a partial cross-sectional structural schematic diagram of the present invention;

[0018] Figure 5 This is a cross-sectional structural diagram of the safety lock in this utility model;

[0019] Figure 6 This is a partial structural schematic diagram of the present invention.

[0020] Legend: 1. Support; 2. Riser; 21. Connecting seat; 22. Hook groove; 23. Fixed shaft; 3. Locking structure; 31. Locking component; 311. Hook; 312. Driving part; 313. Guide driving surface; 32. Driving component; 321. Actuating part; 33. Torsion spring; 4. Safety lock; 5. Lock block; 51. Locking platform; 52. Lock groove; 53. Guide surface; 6. Lock cylinder; 61. Thrust surface; 62. Guide arc surface; 7. Unlocking component; 8. Spring. Detailed Implementation

[0021] The following description, in conjunction with the accompanying drawings, further illustrates the riser folding mechanism of this utility model.

[0022] It should be noted that all directional indicators such as up, down, left, right, front, back, etc. in the embodiments of this utility model are only used to explain the relative positional relationship and movement of the components in a specific posture as shown in the attached figure. If the specific posture changes, the directional indicator will also change accordingly.

[0023] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly; for example, "fixing" can mean a fixed connection, a detachable connection, or an integral part; it can also mean a mechanical connection, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0024] See Figures 1-6 As shown, a riser folding mechanism includes a support 1; characterized in that it further includes a riser 2 mounted on the support 1 with one end foldable by a pin, and a locking structure 3 provided on the support 1 and the riser 2 for locking the riser 2 to keep the riser 2 in an upright state; the lower end of the riser 2 is fitted with a connecting seat 21 that is movably connected to the support 1 by a pin by welding, threading, or snap-fit; the locking structure 3 includes a locking member 31 that is movably mounted on the support 1 by a pin and is used to fix the connecting seat 21 on the support 1, a driving member 32 that is movably mounted on the support 1 by a pin, and a torsion spring 33 that is mounted on the pin with one end connected to the locking member 31 and the other end abutting against the driving member 32 to drive the locking member 31 to automatically reset.

[0025] The locking member 31 is provided with a hook 311 for fixing the connecting seat 21 and a driving part 312 that cooperates with the driving member 32 and is driven by the driving member 32 to rotate. The driving member 32 is provided with a toggle part 321 that can abut against the driving part 312 and drive the locking member 31 to rotate when the driving member 32 rotates, thereby unlocking.

[0026] It also includes a hook groove 22 on the connecting seat 21 corresponding to the hook part 311 of the locking member 31, and a fixing shaft 23 installed in the hook groove 22 to cooperate with the hook part 311 to fix the connecting seat 21 on the support 1.

[0027] By providing a driving part 312 on the locking member 31 and a toggle part 321 on the driving member 32, when the driving member 32 is pressed down, the driving member 32 rotates around the pin as the base point. During the rotation of the driving member 32, the toggle part 321 moves. When the toggle part 321 comes into contact with the driving part 312 on the locking member 31 as the driving member 32 rotates, it applies a squeezing force to the driving part 312, thereby causing the locking member 31 to rotate as well. During the rotation, the locking member 31 causes the hook part 311 to disengage from the hook groove 22 of the connecting seat 21 and disengage from the fixed shaft 23, thereby unlocking. After unlocking, the riser 2 and the connecting seat 21 can be folded.

[0028] When unfolding, simply rotate the riser 2. The riser 2 drives the connecting seat 21 to rotate around the movable connection point with the support 1. When the fixed shaft 23 on the connecting seat 21 contacts the hook 311, it applies a squeezing force to the hook 311, causing the locking part 31 to rotate under pressure and compress the torsion spring 33. After the riser 2 is unfolded and erected into place, the hook 311 of the locking part 31 hooks the fixed shaft 23 through the restoring force of the torsion spring 33, thus completing the unfolding, erecting and fixing of the riser 2.

[0029] This device enables folding bicycles or folding electric bikes to be folded or unfolded simply and quickly, making operation simple, convenient, and fast.

[0030] In one embodiment, a guide drive surface 313 is provided on the hook 311 so that when the connecting seat 21 is flipped onto the support 1, the fixed shaft 23 can press against the locking member 31 and push the locking member 31 to rotate. With the provision of the guide drive surface 313, when the connecting seat 21 is rotated onto the support 1, when the fixed shaft 23 contacts the hook 311 of the locking member 31, the arc surface of the fixed shaft 23 and the guide drive surface 313 on the hook 311 cooperate to apply a pressing force to the hook 311 and drive the locking member 31 to rotate until the fixed shaft 23 moves into place. Then, the locking member 31 is reset by the reset force of the torsion spring 33, which drives the hook 311 to hook the fixed shaft 23.

[0031] In one embodiment, a safety lock 4 is also included, which is provided on the riser 2 and the drive member 32 to limit the position of the drive member 32 and at the same time to prevent the locking member 31 from being accidentally driven to unlock.

[0032] By setting the safety lock 4, the drive component 32 is locked, preventing the stem 2 of the bicycle or electric vehicle from accidentally touching the drive component 32 when it is in the open and upright state, causing the drive component 32 to rotate. When the drive component 32 rotates, it will drive the locking component 31 to unlock, causing the stem 2 to fold, thus playing a safety protection role.

[0033] In one embodiment, the safety lock 4 includes a lock block 5 mounted on the riser 2 by screws, a lock cylinder 6 movably mounted on the drive member 32, a lock groove 52 provided on the lock block 5, and a locking platform 51 provided on the lock cylinder 6 corresponding to the lock groove 52.

[0034] By setting a locking block 5 on the riser 2, setting a locking groove 52 on the locking block 5, setting a locking cylinder 6 on the drive component 32, and setting a locking platform 51 on the locking cylinder 6, the drive component 32 is connected to the riser 2 by inserting the locking platform 51 into the locking groove 52.

[0035] In one embodiment, the locking groove 52 and the locking platform 51 are provided with a guide surface 53 on one side to guide the locking platform 51 to be inserted into the locking groove 52, and a thrust surface 61 on the other side to prevent the locking platform 51 from coming out of the locking groove 52. The front end of the locking block 5 is also provided with a guide arc surface 62 to avoid interference with the locking platform 51.

[0036] It also includes an unlocking component 7 that is movably mounted on the drive component 32 and fixedly connected to the lock cylinder 6 by screws, for driving the lock cylinder 6 to move and unlock, and a spring 8 installed between the drive component 32 and the unlocking component 7 for pushing the unlocking component 7 to reset and simultaneously driving the locking plate 51 to lock in the lock groove 52.

[0037] The guide surface 53 guides the card holder 51 as it enters the locking groove 52.

[0038] By setting the thrust surface 61, when the drive component 32 is pulled outward by mistake, the thrust surface 61 blocks the locking table 51, effectively preventing the locking table 51 from coming out of the locking groove 52.

[0039] With the setting of the guide arc surface 62, when the driving member 32 is pushed to move towards the riser 2, the driving member 32 drives the lock cylinder 6 and the locking platform 51 on the lock cylinder 6 to rotate. When the guide surface 53 of the locking platform 51 contacts the guide arc surface 62, it is squeezed. After being squeezed, the lock cylinder 6 moves upward. When the lock cylinder 6 moves upward, it squeezes the spring 8. After the locking platform 51 moves along the guide arc surface 62 to the lock groove 52, the restoring force of the spring 8 pushes the locking platform 51 to lock in the lock groove 52 to achieve locking.

[0040] When opening safety lock 4, the operator pushes the unlocking component 7 upward. The unlocking component 7 moves the lock cylinder 6 upward while squeezing the spring 8. As the lock cylinder 6 moves upward, it disengages from the lock groove 52 and then rotates the drive component 32 backward to unlock safety lock 4.

[0041] When using this utility model:

[0042] When the riser 2 is folded, first unlock the safety lock 4. The operator pushes the unlocking part 7 upward. The unlocking part 7 drives the lock cylinder 6 to move upward while squeezing the spring 8. When the lock cylinder 6 moves upward, it disengages from the lock groove 52. Then, the driving part 32 is rotated backward to unlock the safety lock 4.

[0043] Then, the drive member 32 is rotated downwards. The drive member 32 rotates around the pin. During the rotation of the drive member 32, the actuating part 321 is activated. When the actuating part 321 contacts the drive part 312 on the locking member 31 as the drive member 32 rotates, it applies a squeezing force to the drive part 312, thereby causing the locking member 31 to rotate as well. During the rotation, the locking member 31 causes the hook part 311 to disengage from the hook groove 22 of the connecting seat 21 and disengage from the fixed shaft 23, thus unlocking. After unlocking, the riser 2 and the connecting seat 21 can be folded.

[0044] When unfolding, simply rotate the riser 2. The riser 2 drives the connecting seat 21 to rotate around the movable connection point with the support 1. When the fixed shaft 23 on the connecting seat 21 contacts the hook 311, it applies a squeezing force to the hook 311, causing the locking part 31 to rotate under pressure and compress the torsion spring 33. After the riser 2 is unfolded and erected into place, the hook 311 of the locking part 31 hooks the fixed shaft 23 through the restoring force of the torsion spring 33, thus completing the unfolding, erecting and fixing of the riser 2.

[0045] Then, the drive component 32 is pushed to rotate towards the riser 2. The drive component 32 drives the lock cylinder 6 and the locking platform 51 on the lock cylinder 6 to rotate. When the guide surface 53 of the locking platform 51 contacts the guide arc surface 62, it is squeezed. After being squeezed, the lock cylinder 6 moves upward. When the lock cylinder 6 moves upward, it squeezes the spring 8. After the locking platform 51 moves along the guide arc surface 62 to the lock groove 52, the restoring force of the spring 8 pushes the locking platform 51 to lock in the lock groove 52 to achieve locking.

[0046] The scope of protection of this utility model is not limited to the above embodiments and their variations. Conventional modifications and substitutions made by those skilled in the art based on the content of these embodiments are all within the scope of protection of this utility model.

Claims

1. A riser folding mechanism, comprising a support (1); characterized in that... It also includes a riser (2) mounted on the support (1) with one end foldable, and a locking structure (3) provided on the support (1) and the riser (2) for locking the riser (2) so that the riser (2) is in an upright state; the lower end of the riser (2) is equipped with a connecting seat (21) movably connected to the support (1); the locking structure (3) includes a locking member (31) movably mounted on the support (1) by a pin and used to fix the connecting seat (21) on the support (1), a driving member (32) movably mounted on the support (1) with one end by a pin, and a locking member (32) mounted on the support (1) and the connecting seat (21) foldable on the support (1). One end of the pin is connected to the locking member (31), and the other end abuts against the driving member (32) to drive the locking member (31) to automatically reset. The locking member (31) is provided with a hook (311) for fixing the connecting seat (21) and a driving part (312) that cooperates with the driving member (32) and is driven by the driving member (32) to rotate. The driving member (32) is provided with a toggle part (321) that can abut against the driving part (312) when the driving member (32) rotates to drive the locking member (31) to rotate and unlock.

2. The riser folding mechanism according to claim 1, characterized in that: It also includes a hook groove (22) on the connecting seat (21) corresponding to the hook (311) of the locking member (31) and a fixing shaft (23) installed in the hook groove (22) to cooperate with the hook (311) and fix the connecting seat (21) on the support (1).

3. The riser folding mechanism according to claim 2, characterized in that: It also includes a guide drive surface (313) provided on the hook (311) and flipped onto the support (1) by the connecting seat (21) to facilitate the fixed shaft (23) to press against the locking member (31) and push the locking member (31) to rotate.

4. The riser folding mechanism according to claim 1, characterized in that: It also includes a safety lock (4) installed on the riser (2) and the drive (32) to limit the position of the drive (32) and prevent accidental activation of the locking (31) to unlock.

5. A riser folding mechanism according to claim 4, characterized in that: The safety lock (4) includes a lock block (5) installed on the riser (2), a lock cylinder (6) movably installed on the drive unit (32), a lock groove (52) provided on the lock block (5), and a locking plate (51) provided on the lock cylinder (6) corresponding to the lock groove (52).

6. The riser folding mechanism according to claim 5, characterized in that: The locking groove (52) and the locking platform (51) are provided with a guide surface (53) on one side to guide the locking platform (51) to be inserted into the locking groove (52), and a thrust surface (61) on the other side to prevent the locking platform (51) from coming out of the locking groove (52). The front end of the locking block (5) is also provided with a guide arc surface (62) to avoid interference with the locking platform (51).

7. A riser folding mechanism according to claim 6, characterized in that: It also includes an unlocking component (7) that is movably mounted on the drive component (32) and fixedly connected to the lock cylinder (6) for driving the lock cylinder (6) to perform actions to unlock, and a spring (8) installed between the drive component (32) and the unlocking component (7) for pushing the unlocking component (7) to reset and simultaneously driving the locking plate (51) to lock in the lock groove (52).

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