A new type of gear shift lever for tricycle

Abstract

The utility model relates to a novel tricycle shift lever, which relates to the field of tricycle shift mechanism, and includes three parts: a housing, a shift body, and a self-locking linkage assembly; the housing is hollow and has a predetermined operating size, and is provided with a corresponding open end, which can perform corresponding load-bearing and position-limiting operations; the shift body is placed in the hollow chamber of the housing through a first pin shaft, and can perform rotation adjustment operations within a predetermined range. The self-locking linkage assembly includes a linkage handle and a lock plate; the lock plate is connected to the shift body through a second pin shaft, and is placed in the hollow chamber of the housing, and is provided with a corresponding sliding through hole; the linkage handle is connected to the shift body, and is rotationally connected to the housing, and the shift body can be driven to adjust the corresponding operating state by adjusting the linkage handle. The present application adopts an integrated guide lock plate combined with a return spring structure to achieve self-locking during the shifting process, which effectively avoids the phenomenon of the shifting caused by the gravity of the joystick due to bumpy sections during driving.

Description

Technical Field

[0001] The utility model relates to the field of a gear shifting mechanism of a tricycle, in particular to a novel gear shifting operating lever for a tricycle. Background Art

[0002] The tricycle joystick is an indispensable mechanical component of the tricycle. It can change the meshing of the gears in the transmission, so that the vehicle's driving speed changes and the driving force changes accordingly. It is a tool that allows the moving parts to change from one speed to another.

[0003] The common tricycle shift lever in the prior art mostly adopts a spring thrust structure, which may cause the gear to be out of gear due to the influence of gravity on bumpy roads during driving. Utility Model Content

[0004] The purpose of the utility model is to provide a new type of tricycle gear shift lever to solve the above problems existing in the prior art.

[0005] Technical solution: A new type of tricycle shift lever, including three parts: a housing, a shift body and a self-locking linkage assembly; the housing is hollow and has a predetermined operating size, and is provided with a corresponding open end, which can perform corresponding load-bearing and position-limiting operations; the shift body is placed in the hollow chamber of the housing through a first pin shaft, and can be rotated and adjusted within a predetermined range. The self-locking linkage assembly includes a linkage handle and a lock plate; the lock plate is connected to the shift body through a second pin shaft, and is placed in the hollow chamber of the housing, and is provided with a corresponding sliding through hole; the linkage handle is connected to the shift body, and is rotationally connected to the housing, and the shift body can be driven to adjust the corresponding operating state by adjusting the linkage handle.

[0006] In a further embodiment, the linkage handle has a predetermined working length, is hollow and open at both ends; a spring and a connecting steel wire are provided inside the hollow chamber of the linkage handle; the spring has a predetermined working length, and one end of the spring is connected to a push button, and the push button extends through the open end of the linkage handle to a predetermined distance outside the linkage handle; one end of the connecting steel wire is connected to the spring, and the other end is connected to the locking plate, and has a predetermined working length, and can perform corresponding connection and transmission operations.

[0007] In a further embodiment, the shift body is hollow and has a corresponding open end, the lock plate is placed in the hollow chamber of the shift body, and the shift body and the lock plate are connected to the shell through a second pin shaft, and can synchronously perform a predetermined angle rotation adjustment operation.

[0008] In a further embodiment, a through hole with a predetermined operating length and bending arc is provided at a position of the shift body corresponding to the operating position of the sliding through hole provided on the lock plate, and the sliding through hole provided on the lock plate is of a special shape.

[0009] In a further embodiment, a fixing pin is provided through the through hole of the shift body and the sliding through hole of the lock plate, and the fixing pin is connected to the housing to perform corresponding limiting and clamping operations.

[0010] In a further embodiment, a return spring is provided in the hollow chamber of the shift body, the return spring is connected to the housing via bolts, and a predetermined operating distance is left between the return spring and the lock plate, so that corresponding return auxiliary operations can be performed.

[0011] Beneficial effects: The utility model relates to a novel tricycle shift lever, which relates to the field of tricycle shift mechanism, and includes three parts: a housing, a shift body, and a self-locking linkage assembly; the housing is hollow and has a predetermined operating size, and is provided with a corresponding open end, which can perform corresponding load-bearing and position-limiting operations; the shift body is placed in the hollow chamber of the housing through a first pin shaft, and can perform rotation adjustment operations within a predetermined range. The self-locking linkage assembly includes a linkage handle and a lock plate; the lock plate is connected to the shift body through a second pin shaft, and is placed in the hollow chamber of the housing, and is provided with a corresponding sliding through hole; the linkage handle is connected to the shift body, and is rotationally connected to the housing, and the shift body can be driven to adjust the corresponding operating state by adjusting the linkage handle. The present application adopts an integrated guide lock plate combined with a return spring structure to achieve self-locking during the shifting process, which effectively avoids the phenomenon of the operating lever being disengaged due to the influence of gravity on the bumpy road section during driving. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of any state of this application.

[0013] Figure 2 It is a schematic diagram of another state of the present application.

[0014] The reference numerals in the figure are: housing 1, shift body 2, first pin shaft 3, linkage handle 4, lock plate 5, second pin shaft 6, push button 7, spring 8, connecting wire 9, fixed pin shaft 10, return spring 11, bolt 12. DETAILED DESCRIPTION

[0015] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0016] Embodiment 1:

[0017] The new tricycle shift lever proposed in this embodiment includes three parts: a housing 1, a shift body 2 and a self-locking linkage assembly; the housing 1 is hollow and has a predetermined operating size, and is provided with a corresponding open end, which can perform corresponding load-bearing and position-limiting operations; the shift body 2 is placed in the hollow chamber of the housing 1 through a first pin shaft 3, and can perform rotation adjustment operations within a predetermined range. The self-locking linkage assembly includes two parts: a linkage handle 4 and a lock plate 5; the lock plate 5 is connected to the shift body 2 through a second pin shaft 6, and is placed in the hollow chamber of the housing 1, and is provided with a corresponding sliding through hole; the linkage handle 4 is connected to the shift body 2, and is rotationally connected to the housing 1, and can drive the shift body 2 to adjust the corresponding operating state by adjusting the linkage handle 4. In the later operation process, the shift body 2 can be driven by the linkage handle 4 to adjust the corresponding operating angle, and the corresponding self-locking operation can be achieved in cooperation with the lock plate 5. The linkage handle 4 has a predetermined operating length, is hollow and open at both ends; a spring 8 and a connecting wire 9 are provided inside the hollow chamber of the linkage handle 4; the spring 8 has a predetermined operating length, and one end of the spring 8 is connected to a push button 7, and the push button 7 extends to a predetermined distance outside the linkage handle 4 through the open end of the linkage handle 4; one end of the connecting wire 9 is connected to the spring 8, and the other end is connected to the locking plate 5, and has a predetermined operating length, and can perform corresponding connection and transmission operations. In a further preferred embodiment, the spring 8 is sleeved on the outside of the connecting wire 9, and is clamped in the hollow chamber of the linkage handle 4 by a buckle, and one end of the connecting wire 9 is connected to the push button 7, and the other end is connected to the locking plate 5. In the later operation process, when the push button 7 is pressed downward, the spring 8 will be compressed, and the connecting screw will be pushed downward, thereby pushing the shift body 2 and the lock plate 5 to be synchronously adjusted downward, and then the shift body and the lock plate 5 will be driven to adjust the corresponding angles by rotating the linkage handle 4, and then the clamping position of the fixed pin shaft 10 can be adjusted through the through hole provided in the shift body 2 and the sliding through hole provided in the lock plate 5, thereby realizing the corresponding gear shift self-locking operation.

[0018] Embodiment 2:

[0019] On the basis of the first embodiment, the shift body 2 is hollow and has a corresponding open end, the lock plate 5 is placed in the hollow chamber of the shift body 2, and the shift body 2 and the lock plate 5 are connected to the housing 1 through the second pin 6, and can synchronously perform a predetermined angle of rotation adjustment operation. The shift body 2 and the lock plate 5 are provided with a through hole with a predetermined operating length and bending arc at a position corresponding to the operating position of the sliding through hole, and the sliding through hole provided on the lock plate 5 is a special shape. In a further preferred embodiment, the sliding through hole is a special L shape. A fixed pin 10 is provided through the through hole provided on the shift body 2 and the sliding through hole provided on the lock plate 5, and the fixed pin 10 is connected to the housing 1, and can perform corresponding limiting and clamping operations. A return spring 11 is provided in the hollow chamber of the shift body 2, and the return spring 11 is connected to the housing 1 through a bolt 12, and a predetermined operating distance is left between the return spring 11 and the lock plate 5, so that corresponding reset auxiliary operations can be performed.

[0020] As described above, although the present invention has been shown and described with reference to specific preferred embodiments, it should not be interpreted as limiting the present invention itself. Various changes can be made to it in form and detail without departing from the spirit and scope of the present invention defined in the appended claims.

Claims

1. A novel gearshift lever for tricycle, characterized in that: The invention comprises three parts: a housing, a shifting body and a self-locking linkage assembly; the housing is hollow and has a predetermined operating size, and is provided with a corresponding open end, and can perform corresponding load-bearing and position-limiting operations; the shifting body is placed in the hollow chamber of the housing through a first pin shaft, and can perform a rotation adjustment operation within a predetermined range; The self-locking linkage assembly includes two parts: a linkage handle and a lock plate; the lock plate is connected to the shift body through a second pin shaft, is placed in the hollow chamber of the shell, and is provided with a corresponding sliding through hole; the linkage handle is connected to the shift body and is rotatably connected to the shell, and the shift body can be driven to adjust the corresponding working state by adjusting the linkage handle.

2. A novel tricycle shift lever according to claim 1, characterized in that: The linkage handle has a predetermined working length, is hollow and open at both ends; a spring and a connecting wire are arranged inside the hollow chamber of the linkage handle; the spring has a predetermined working length, and one end of the spring is connected to a push button, and the push button extends through the open end of the linkage handle to a predetermined distance outside the linkage handle; one end of the connecting wire is connected to the spring, and the other end is connected to the locking plate, and has a predetermined working length, and can perform corresponding connection and transmission operations.

3. A novel tricycle shift lever according to claim 2, characterized in that: The shift body is hollow and has a corresponding open end. The lock plate is placed in the hollow chamber of the shift body. The shift body and the lock plate are connected to the housing via a second pin shaft, and can be rotated and adjusted at a predetermined angle synchronously.

4. A novel three-wheeled vehicle shift lever according to claim 2, characterized in that: A through hole with a predetermined working length and bending arc is provided at a position of the shift body corresponding to the working position of the sliding through hole provided on the lock plate, and the sliding through hole provided on the lock plate is of a special shape.

5. A novel three-wheeled vehicle shift lever according to claim 4, characterized in that: A fixing pin is provided through the through hole of the shift body and the sliding through hole of the lock plate, and the fixing pin is connected to the housing to perform corresponding limiting and clamping operations.

6. A novel three-wheeled vehicle shift lever according to claim 2, characterized in that: A return spring is arranged in the hollow chamber of the shift body, the return spring is connected to the housing through a bolt, and a predetermined operating distance is left between the return spring and the lock plate, so that corresponding return auxiliary operations can be performed.

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