Gear shifting structure facilitating gear adjustment of gearbox of electro-tricycle

Abstract

The utility model relates to the technical field of variable speed control of electro-tricycles, in particular to a gear shifting structure facilitating gear adjustment of a gearbox of an electro-tricycle, which comprises a control box, a gear shifting mechanism, a gear shifting mechanism and a gear shifting mechanism. Ratchets are respectively arranged on two sides, corresponding to the through groove, of the top end of the control box; the middle of the operating rod is matched with the rotating shaft through a shaft sleeve, the top end of the operating rod extends upwards through the through groove, and a hanging hole is formed in the bottom end of the operating rod; the control sleeve is arranged on the operation upper portion in a sleeving mode, a locking rod matched with the ratchet is arranged at the bottom of the control sleeve, and a spring is arranged between the top end of the control sleeve and the top end of the operation rod. The self-locking function is achieved under the cooperation of the lock rod and the ratchet, so that the problem of gear jumping caused by the fact that the electro-tricycle runs on a bumpy road surface or is accidentally touched is avoided, and potential safety hazards caused by sudden power loss or accidental acceleration of the electro-tricycle are effectively solved.

Description

Technical Field

[0001] This utility model relates to the field of electric tricycle transmission control technology, specifically to a shifting structure that facilitates gear adjustment of an electric tricycle gearbox. Background Technology

[0002] Currently, the gear shifting mechanism of electric tricycles lacks a locking function. Therefore, when the road surface is bumpy or when accidentally bumped, the gear lever is prone to jumping out of gear, causing the vehicle to suddenly lose power or accelerate unexpectedly, which poses a safety hazard. Utility Model Content

[0003] This utility model provides a gear shifting structure that facilitates gear adjustment in the gearbox of an electric tricycle. The self-locking function is achieved through the cooperation of the locking rod and the ratchet, thereby avoiding gear skipping caused by the electric tricycle driving on bumpy roads or accidental collisions, and effectively solving the safety hazards caused by sudden loss of power or unexpected acceleration of the vehicle.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a shifting structure for facilitating gear adjustment of an electric tricycle gearbox, comprising: a control box, the top of which has a through groove, an internal rotating shaft, and a through adjusting screw sleeve fitted at the front end; ratchet teeth are respectively provided on both sides of the top of the control box corresponding to the through groove; an operating lever, the middle of which engages with the rotating shaft via a bushing, the top of which extends upward through the through groove, and the bottom of which has a hanging hole; a control sleeve, which is fitted onto the upper part of the operating lever, and the bottom of the control sleeve has a locking rod that engages with the ratchet teeth, and a spring is provided between the top of the control sleeve and the top of the operating lever.

[0005] Preferably, the bottom end of the control sleeve is provided with a block that slides within the through groove, and the locking rods are distributed on opposite sides of the block.

[0006] Preferably, the top of the operating lever is fixedly provided with a handle; the top of the control sleeve is provided with a dial ring.

[0007] Preferably, the bottom of the handle is provided with a circular groove, and the top of the control sleeve is provided with a cylinder extending into the circular groove, and the spring is located inside the cylinder.

[0008] Preferably, it also includes a tension spring, one end of which is connected to the hanging hole and the other end of which is connected to the steel cable of the shift cable.

[0009] Preferably, a connecting plate is provided on one side of the control box, and the free end of the connecting plate is provided with multiple mounting holes.

[0010] The beneficial effects of this utility model are as follows: During gear shifting, the engagement position of the steel cable and the outer sleeve is changed by moving the operating lever, thereby controlling the gearbox rocker arm and switching between fast and slow gears. The tension spring is used to adapt to the jamming resistance of the steel cable during gear shifting, and through its own elasticity, the steel cable adaptively follows the movement of the operating lever to complete the force transmission. During use, the operating lever achieves a self-locking function with the cooperation of the locking lever and the ratchet, thus avoiding the problem of the electric tricycle jumping gears due to driving on bumpy roads or accidental collisions, effectively solving the safety hazards caused by sudden loss of power or unexpected acceleration of the vehicle. The block slides with the operating lever in the through groove, thus ensuring the accuracy of the engagement between the locking lever and the ratchet. The block can be lifted upward by the dial ring, thereby releasing the engagement between the locking lever and the ratchet, thus satisfying the push and pull action of the operating lever. When the dial ring is released, the control lever, under the action of the spring, resets the block, thereby allowing the locking lever to engage with the corresponding ratchet again, achieving the position locking of the operating lever. The circular groove conceals the top of the spring, while the cylinder protects the bottom. This structure effectively protects the spring and prevents it from pinching the driver's hand during operation. A connecting plate allows the control box to be mounted and secured within the driver's area of ​​the electric tricycle, facilitating driver operation. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0013] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0014] Figure 3 This is a partial structural cross-sectional view of the present invention.

[0015] In the diagram: 1. Control box; 2. Through slot; 3. Rotary shaft; 4. Adjusting screw sleeve; 5. Racket tooth; 6. Operating lever; 7. Hanging hole; 8. Control sleeve; 9. Locking lever; 10. Spring; 11. Block; 12. Handle; 13. Dial ring; 14. Circular groove; 15. Cylinder; 16. Tension spring; 17. Connecting plate; 18. Outer sleeve; 19. Steel cable. Detailed Implementation

[0016] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0017] according to Figure 1 , Figure 2 , Figure 3 As shown, a gear shifting structure for facilitating gear adjustment in an electric tricycle includes: a control box 1, with a through groove 2 at its top, a rotating shaft 3 inside, and a through adjusting screw sleeve 4 at its front end; ratchet teeth 5 are provided on both sides of the top of the control box 1 corresponding to the through groove 2; an operating lever 6, the middle of which engages with the rotating shaft 3 via a bushing, and the top extending upward through the through groove 2; a hanging hole 7 at the bottom of the operating lever 6; a control sleeve 8, which is fitted onto the operating lever 6, and the bottom of the control sleeve 8 has a locking rod 9 that engages with the ratchet teeth 5; a spring 10 is provided between the top of the control sleeve 8 and the top of the operating lever 6. Additionally, a tension spring 16 is included, one end of which is connected to the hanging hole 7, and the other end is connected to the steel cable 19 of the gear shifting cable.

[0018] With the above setup, the outer sleeve 18 of the shift cable engages with the adjusting screw sleeve 4, while the steel cable 19 of the shift cable engages with the hanging hole 7 via the tension spring 16. During shifting, the engagement position of the steel cable 19 and the outer sleeve 18 is changed by moving the operating lever 6, thereby controlling the gearbox rocker arm and switching between fast and slow gears. The tension spring 16 is designed to adapt to the resistance encountered by the steel cable 19 during shifting, and through its elasticity, allows the steel cable 19 to adaptively transmit force with the movement of the operating lever 6. During use, the operating lever 6 achieves a self-locking function with the cooperation of the locking lever 9 and the ratchet 5, thus preventing the electric tricycle from skipping gears due to driving on bumpy roads or accidental collisions, effectively solving the safety hazards caused by sudden loss of power or unexpected acceleration.

[0019] The bottom end of the control sleeve 8 is provided with a block 11 that slides within the through groove 2, and the locking rod 9 is distributed on opposite sides of the block 11.

[0020] With this setting, the block 11 slides in the through groove 2 along with the operating lever 6, thus ensuring the accuracy of the engagement between the locking lever 9 and the ratchet 5.

[0021] The top of the operating lever 6 is fixedly provided with a handle 12; the top of the control sleeve 8 is provided with a dial ring 13.

[0022] With this setting, the block 11 can be lifted upward by the dial ring 13, thereby disengaging the locking lever 9 from the ratchet 5, thus satisfying the push-pull action of the operating lever 6. When the dial ring 13 is released, the control sleeve 8 resets the block 11 under the action of the spring 10, thereby allowing the locking lever 9 to engage with the corresponding ratchet 5 again, realizing the position locking of the operating lever 6.

[0023] The handle 12 has a circular groove 14 at its bottom, and the control sleeve 8 has a cylinder 15 extending into the circular groove 14 at its top, with the spring 10 located inside the cylinder 15.

[0024] With this arrangement, the circular groove 14 is used to hide the top of the spring 10, while the cylinder 15 protects the bottom of the spring 10. This structure can effectively protect the spring 10 on the one hand, and also avoid the problem of the spring 10 pinching the hand during operation.

[0025] The control box 1 is provided with a connecting plate 17 on one side. The free end of the connecting plate 17 is provided with multiple mounting holes. The control box 1 can be installed and fixed in the driving area of ​​the electric tricycle through the connecting plate 17, so as to facilitate the driver's operation.

[0026] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A gear shifting structure for facilitating gear adjustment in an electric tricycle gearbox, characterized in that, include: The control box (1) has a through groove (2) on the top and a rotating shaft (3) inside, with a through adjusting screw sleeve (4) at the front end; the top of the control box (1) has ratchet teeth (5) on both sides corresponding to the through groove (2); The operating lever (6) is connected to the rotating shaft (3) through a bushing in the middle and extends upward through the through groove (2) at the top. The bottom of the operating lever (6) is provided with a hanging hole (7). A control sleeve (8) is fitted onto the upper part of the operating rod, and a locking rod (9) that engages with the ratchet (5) is provided at the bottom of the control sleeve (8), and a spring (10) is provided between the top of the control sleeve (8) and the top of the operating rod (6).

2. The shifting structure for facilitating gear adjustment of an electric tricycle gearbox according to claim 1, characterized in that: The bottom end of the control sleeve (8) is provided with a block (11) that slides in the through groove (2), and the locking rod (9) is distributed on the opposite sides of the block (11).

3. The shifting structure for facilitating gear adjustment of an electric tricycle gearbox according to claim 2, characterized in that: The top of the operating lever (6) is fixedly provided with a handle (12); the top of the control sleeve (8) is provided with a dial ring (13).

4. The shifting structure for facilitating gear adjustment of an electric tricycle gearbox according to claim 3, characterized in that: The handle (12) has a circular groove (14) at the bottom, and the control sleeve (8) has a cylinder (15) extending into the circular groove (14) at the top, and the spring (10) is located inside the cylinder (15).

5. The shifting structure for facilitating gear adjustment of an electric tricycle gearbox according to claim 1, characterized in that: It also includes a tension spring (16), one end of which is connected to the hanging hole (7), and the other end is connected to the steel cable (19) of the shift cable.

6. The shifting structure for facilitating gear adjustment of an electric tricycle gearbox according to claim 1, characterized in that: The control box (1) has a connecting plate (17) on one side, and the free end of the connecting plate (17) has multiple mounting holes.

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