Driving mechanism and motorcycle tricycle

Abstract

The utility model discloses a driving mechanism and a motorcycle tricycle, and the driving mechanism comprises a mounting frame which comprises a base plate, a first mounting plate and a second mounting plate, and the first mounting plate and the second mounting plate are vertically arranged on the base plate; the differential mechanism is located between the first mounting plate and the second mounting plate, the differential mechanism is rotationally connected with the first mounting plate and the second mounting plate, and the differential mechanism is sleeved with a reverse gear ring; and the reverse gear assembly is mounted on the edge of the first mounting plate and comprises a reverse gear and a reverse motor, the reverse motor is used for driving the reverse gear to rotate, and the reverse gear can be meshed with the reverse gear ring to achieve reversing. According to the driving mechanism and the motorcycle tricycle, the reversing function can be achieved, and meanwhile the driving mechanism is simple in structure and easy to arrange.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of vehicle power transmission, in particular to a driving mechanism and a motorcycle tricycle. BACKGROUND

[0002] The motorcycle tricycle comprises an engine, a transmission belt and a differential, the engine generates rotary motion, the rotary motion is transmitted to the differential through the transmission belt, and the differential transmits power to two rear wheels, the two rear wheels rotate to drive the motorcycle tricycle to move forward.

[0003] Some manufacturers will separately set up a reverse motor, which can realize the reverse function, avoid changing the engine, and is easy to implement, and the specific patent document with the publication number CN218288022U, the publication date of January 13, 2023, the application number CN202222633967.6 and the invention name of a reverse mechanism of a tricycle can be seen.

[0004] However, the existing reverse scheme has a complex structure and is inconvenient to arrange. UTILITY MODEL CONTENT

[0005] The utility model aims at at least solving one of the technical problems existing in the prior art. Therefore, the utility model provides a driving mechanism, which can realize the reverse function, and has a simple structure and is easy to arrange.

[0006] The utility model further provides a motorcycle tricycle with the driving mechanism.

[0007] According to the driving mechanism of the first aspect embodiment of the utility model, the driving mechanism comprises:

[0008] The mounting frame comprises a base plate, a first mounting plate and a second mounting plate which are vertically arranged on the base plate;

[0009] The differential is located between the first mounting plate and the second mounting plate, and the differential is rotatably connected to the first mounting plate and the second mounting plate, and the differential is sleeved with a reverse gear ring;

[0010] The reverse assembly is installed on the edge of the first mounting plate and comprises a reverse gear and a reverse motor, the reverse motor is used for driving the reverse gear to rotate, and the reverse gear can engage with the reverse gear ring to realize the reverse.

[0011] According to the driving mechanism of the utility model embodiment, at least the following beneficial effects are obtained:

[0012] According to the utility model, the reverse assembly is arranged near the differential, so that the reverse assembly is away from the engine of the motorcycle, does not occupy the space around the engine, and is beneficial to reducing the arrangement difficulty.

[0013] The utility model discloses a reverse assembly and differential are engaged transmission through reverse gear ring and reverse gear, still make full use of the space of differential radial, do not influence differential transmission to two rear wheels, reduce the arrangement difficulty.

[0014] The utility model discloses a reverse assembly is installed on the first mounting plate of mounting frame, still utilize the mounting structure of differential, on one hand, make the relative position of reverse gear ring and reverse gear accurate, transmission reliable, on the other hand, do not need additional mounting structure, reduce the improvement to frame.

[0015] The utility model discloses still provide a kind of motorcycle tricycle, with above-mentioned beneficial effect.

[0016] According to the first aspect embodiment of the utility model, the first mounting plate has the outer arc side away from the base plate, the center of the outer arc side is used to connect the differential, and the outer arc side is provided with the reverse assembly.

[0017] According to the first aspect embodiment of the utility model, the base plate is provided with lower mounting portion, and the lower mounting portion is located on the side of the base plate away from the first mounting plate and the second mounting plate.

[0018] According to the first aspect embodiment of the utility model, the reverse assembly has first mounting lug and second mounting lug connected with the first mounting plate, the first mounting lug is arranged close to the side convex mounting portion, and the second mounting lug is arranged away from the side convex mounting portion.

[0019] According to the first aspect embodiment of the utility model, the reverse assembly includes a gearbox, the reverse gear and the reverse motor are mounted on the gearbox, and the gearbox is connected with the first mounting plate.

[0020] According to the first aspect embodiment of the utility model, the first mounting plate is provided with a recess for accommodating the edge of the gearbox.

[0021] According to the first aspect embodiment of the utility model, the gearbox has a mounting lug, the first mounting plate is provided with a mounting hole corresponding to the mounting lug, the mounting lug is located on the side of the mounting hole close to the second mounting plate, and a bolt is screwed to the mounting lug after penetrating the mounting hole.

[0022] According to the first aspect of the utility model, a drive mechanism, the gearbox includes multiple gear, multiple gear includes first gear, first gear and the reverse gear coaxial installation is arranged between first gear and the reverse gear clutch structure, the clutch structure can transmit reverse power from first gear to the reverse gear or remove transmission.

[0023] According to the first aspect of the utility model, a drive mechanism, the clutch structure includes the transmission shaft of installation reverse gear, first gear has the center hole of containing the transmission shaft passes through, one of transmission shaft and the center hole is provided with transmission key, the other of transmission shaft and the center hole is provided with the transmission groove of containing transmission key, transmission shaft can be axially moved, to make transmission key inserts transmission groove or transmission key removes from transmission groove.

[0024] According to the first aspect of the utility model, a drive mechanism, transmission key and transmission groove are spiral.

[0025] According to the second aspect of the utility model, a motorcycle tricycle, including the drive mechanism of any one described above.

[0026] The additional aspects and advantages of the utility model will be partly given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, obviously, the drawings in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, other drawings can also be obtained according to these drawings.

[0028] Figure 1 It is a structural schematic diagram of the drive mechanism of the utility model embodiment;

[0029] Figure 2 It is Figure 1 It is a structural schematic diagram of another view of the drive mechanism;

[0030] Figure 3 It is Figure 1 It is a structural schematic diagram of the drive mechanism without installing reverse assembly;

[0031] Figure 4 It is Figure 1 It is a partial structural schematic diagram of reverse assembly.

[0032] Reference signs: substrate 100; first mounting plate 110; second mounting plate 120; differential 130; reverse gear ring 140; reverse gear 150; reverse motor 160; gearbox 170; outer circular arc side 180; lower mounting portion 190; side convex mounting portion 200; first mounting lug 210; second mounting lug 220; recessed position 230; first gear 240; transmission shaft 250; center hole 260; transmission groove 270; transmission key 280. DETAILED DESCRIPTION

[0033] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are merely intended to explain the present application, and should not be understood as a limitation of the present application.

[0034] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application.

[0035] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is two or more, greater than, less than, more than, etc. are understood as not including the number, and above, below, etc. are understood as including the number. If it is described as first and second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the order of indicated technical features.

[0036] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting, connection and connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0037] A driving mechanism and a motorcycle tricycle according to an embodiment of the present application are described below with reference to the drawings.

[0038] Reference Figures 1 to 3The utility model aims at providing an embodiment of a driving mechanism, which can be part of a motorcycle tricycle, and an embodiment of a motorcycle tricycle, which comprises the driving mechanism.

[0039] Compared with the prior art, the driving mechanism can realize the reverse driving function, and has a simple structure and is easy to arrange.

[0040] In the embodiment, the driving mechanism mainly comprises a mounting frame, a differential 130 and a reverse gear assembly.

[0041] The mounting frame comprises a base plate 100, a first mounting plate 110 and a second mounting plate 120 which are vertically arranged on the base plate 100.

[0042] In some specific embodiments of the utility model, the base plate 100 can be provided with a lower mounting portion 190 which is located on the side of the base plate 100 away from the first mounting plate 110 and the second mounting plate 120, and the lower mounting portion 190 is connected to the frame via positioning pins and mounting holes on the base plate 100 to achieve accurate mounting and fixing.

[0043] In some specific embodiments of the utility model, the first mounting plate 110 can be provided with a side protruding mounting portion 200 which is connected to the frame to resist the force of the engine, thereby preventing the mounting frame from tilting or shaking and improving the stability.

[0044] The differential 130 is located between the first mounting plate 110 and the second mounting plate 120, and is rotatably connected to the first mounting plate 110 and the second mounting plate 120. Meanwhile, the first mounting plate 110 and the second mounting plate 120 have hole positions to facilitate the transmission connection of the differential 130 to the two rear wheels of the motorcycle tricycle.

[0045] In the embodiment, the second mounting plate 120 is provided with a belt pulley or a chain wheel on the side away from the first mounting plate 110, the belt pulley or the chain wheel is fixedly connected to the housing of the differential 130, the belt pulley is connected to the output gear of the engine via a synchronous belt, and the chain wheel is connected to the output gear of the engine via a chain, so that when the engine is running, the power is transmitted from the output gear to the differential 130.

[0046] As for the internal structure of the differential 130, the differential 130 generally comprises an inner ring gear and two split gears, and each split gear is connected to one rear wheel, so that the rear wheels can be driven to rotate and move, and the turning needs are met.

[0047] Since the utility model does not involve the principle improvement of the differential 130, the utility model does not record the specific details of the differential 130 in detail, but does not affect the clarity and integrity of the utility model.

[0048] In order to meet the need of reverse gear, the differential 130 of the utility model is equipped with a reverse gear ring 140.

[0049] For the reverse gear assembly, the reverse gear assembly is installed on the edge of the first mounting plate 110, and the reverse gear assembly comprises a reverse gear 150 and a reverse motor 160, the reverse motor 160 is used to drive the reverse gear 150 to rotate, and the reverse gear 150 can engage the reverse gear ring 140 to realize the reverse driving.

[0050] It is easy to understand that, by arranging the reverse gear assembly near the differential 130, the reverse gear assembly is far away from the engine of the motorcycle, does not occupy the space around the engine, and is conducive to reducing the arrangement difficulty.

[0051] It is easy to understand that, by making the reverse gear assembly and the differential 130 engage transmission through the reverse gear ring 140 and the reverse gear 150, the radial space of the differential 130 is also utilized, the transmission of the differential 130 to the two rear wheels is not affected, and the arrangement difficulty is reduced.

[0052] It is easy to understand that, by installing the reverse gear assembly on the first mounting plate 110 of the mounting frame, the mounting structure of the differential 130 is also utilized, on the one hand, the relative position of the reverse gear ring 140 and the reverse gear 150 is accurate, and the transmission is reliable, on the other hand, no additional mounting structure is needed, and the improvement of the frame is reduced.

[0053] In some specific embodiments of the utility model, the reverse gear assembly can comprise a gearbox 170, the reverse gear 150 and the reverse motor 160 are installed on the gearbox 170, and the gearbox 170 is connected with the first mounting plate 110.

[0054] It is easy to understand that, by arranging the gearbox 170, the output of the reverse motor 160 can be changed, the speed is reduced and the torque is increased, the motorcycle three-wheeler in the driving load state is facilitated to realize the reverse driving, and the reverse driving capacity is improved.

[0055] In some specific embodiments of the utility model, the first mounting plate 110 can be provided with a recess 230 accommodating the edge of the gearbox 170.

[0056] It is easy to understand that, by arranging the recess 230 on the first mounting plate 110, the height of the reverse driving assembly protruding from the first mounting plate 110 can also be reduced, the space occupied in the up-down direction is reduced, and the arrangement of the three-wheeler carriage is not affected.

[0057] In some specific embodiments of the utility model, the gearbox 170 can be provided with mounting ears, the first mounting plate 110 is provided with mounting holes corresponding to the mounting ears, the mounting ears are located on the side of the mounting holes close to the second mounting plate 120, and the mounting ears are threadedly connected to the mounting holes after the bolts pass through the mounting holes.

[0058] It is easy to understand that the mounting mode of the embodiment is that the bolts pass through the mounting holes and are threadedly connected to the mounting ears, and the mounting holes of the first mounting plate 110 are also light holes, so that the threaded damage during disassembly and assembly is avoided, the mounting rack needs to be replaced, and the use cost is reduced.

[0059] At the same time, the torque generated by the meshing of the reverse gear 150 and the reverse gear ring 140 can be offset by the entity to which the mounting ears are attached and the mounting holes are located, so that the reverse assembly is prevented from loosening.

[0060] In some specific embodiments of the utility model, the gearbox 170 can include a plurality of speed change gears, the plurality of speed change gears include a first gear 240, the first gear 240 and the reverse gear 150 are coaxially installed, a clutch structure is arranged between the first gear 240 and the reverse gear 150, and the clutch structure can transmit reverse power from the first gear 240 to the reverse gear 150 or stop the transmission.

[0061] It is easy to understand that the embodiment is provided with a plurality of speed change gears, the gear diameter size is matched, the speed reduction and torque increase are realized, the transmission needs are met, the reliability is high, the cost of the reverse assembly can be reduced, and the reliability is high.

[0062] It is easy to understand that the embodiment is provided with a clutch structure, and the reverse power is conveniently switched, so that the reverse driving and the driving do not affect each other.

[0063] Referring to Figure 4 In some specific embodiments of the utility model, the clutch structure can include a transmission shaft 250 on which the reverse gear 150 is mounted, the first gear 240 has a central hole 260 through which the transmission shaft 250 is accommodated, one of the transmission shaft 250 and the central hole 260 is provided with a transmission key 280, the other of the transmission shaft 250 and the central hole 260 is provided with a transmission groove 270 in which the transmission key 280 is accommodated, and the transmission shaft 250 can be axially moved to make the transmission key 280 inserted into the transmission groove 270 or the transmission key 280 moved out of the transmission groove 270.

[0064] It is easy to understand that the embodiment is provided with a clutch structure, and the reverse power is conveniently switched, so that the reverse driving and the driving do not affect each other.

[0065] In some specific embodiments of the utility model, can make transmission shaft 250 including axial sliding connection first rod and second rod, first rod sets down gear 150, second rod sets transmission key 280, so that down gear 150 and down gear ring 140 can continue to engage, reduce the abnormal sound or damage produced by down gear 150 axial movement and collision down gear ring 140.

[0066] In some specific embodiments of the utility model, can make transmission shaft 250 by electromagnetic cylinder and return spring control movement, such as electromagnetic cylinder pushes transmission shaft 250 and moves, to make down gear 150 move to the outside of down gear ring 140, simultaneously, make transmission member insert transmission groove 270, and when electromagnetic cylinder reverses, return spring makes transmission shaft 250 reverse, makes down gear 150 away from down gear ring 140, transmission member moves from transmission groove 270.

[0067] For transmission shaft 250 and one of central hole 260 are provided with transmission key 280 and transmission shaft 250 and the other of central hole 260 are provided with transmission groove 270 that contains transmission key 280, it can be understood that the arrangement of transmission key 280 and transmission groove 270 can be exchanged, meet the transmission needs.

[0068] In some specific embodiments of the utility model, can make first gear 240 inside installation rear axle sleeve, the inside of axle sleeve forms central hole 260, to reduce manufacturing difficulty.

[0069] In some specific embodiments of the utility model, can make transmission key 280 and transmission groove 270 spiral.

[0070] It is easy to understand that, the embodiment by making transmission key 280 and transmission groove 270 spiral, also make the clutch structure has one-way transmission function, avoid differential 130 reverse drag down gear motor 160, avoid causing down gear motor 160 damage, do not affect the manual push and pull of reversing.

[0071] In some specific embodiments of the utility model, can make first mounting plate 110 have outer arc side 180 away from base plate 100, the center of outer arc side 180 is used to connect differential 130, and outer arc side 180 sets down gear assembly.

[0072] It is easy to understand that, the embodiment by setting outer arc side 180, can reduce the entity of first mounting plate 110, both reduce cost, and reserve space, facilitate installation down gear assembly.

[0073] In some specific embodiments of the utility model, can make down gear assembly set up at the junction of outer arc side 180 and side convex mounting portion 200.

[0074] It is easy to understand that the embodiment sets the reverse assembly at the connection of the outer arc side 180 and the side protruding mounting portion 200, and also makes full use of the lower concave space at the connection of the outer arc side 180 and the side protruding mounting portion 200, so as to reduce the arrangement difficulty, and make the driving mechanism occupy small space and be easy to arrange.

[0075] In some specific embodiments of the utility model, the reverse assembly can be provided with the first mounting lug 210 and the second mounting lug 220 connected with the first mounting plate 110, the first mounting lug 210 is arranged close to the side protruding mounting portion 200, and the second mounting lug 220 is arranged away from the side protruding mounting portion 200.

[0076] In the embodiment, the first mounting lug 210 and the second mounting lug 220 are mounting lugs of the gearbox 170.

[0077] It is easy to understand that the embodiment sets the first mounting lug 210 close to the side protruding mounting portion 200, and sets the second mounting lug 220 away from the side protruding mounting portion 200, and also arranges the first mounting lug 210 and the second mounting lug 220 on opposite sides of the reverse assembly, which is beneficial to reduce the gap between the reverse assembly and the first mounting plate 110 and reduce the occupied space.

[0078] In the description of the specification, the description of the terms "one embodiment, some embodiments, illustrative embodiments, examples, specific examples or some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the description of the specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0079] The terms "first, second, third, fourth" and the like (if any) in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily mean a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments described herein can be implemented in an order other than that illustrated or described herein.

[0080] It should also be noted that in the description of the specification, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or sequence between the entities or operations.

[0081] Furthermore, the term "comprising" and "including" and any of their derivatives, are intended to be taken in their broadest possible sense, such that the processes, methods, systems, products or devices including a series of steps or units are not limited to just those steps or units that are explicitly listed, but also to other steps or units that are inherent to such processes, methods, products or devices.

[0082] Furthermore, the term "comprising" and "including" and any of their derivatives, are intended to be taken in their broadest possible sense, such that the processes, methods, systems, products or devices including a series of steps or units are not limited to just those steps or units that are explicitly listed, but also to other steps or units that are inherent to such processes, methods, products or devices.

[0083] The above detailed description of the present application has been made in connection with the accompanying drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present application.

Claims

1. A driving mechanism, characterized in that, include: The mounting bracket includes a base plate (100), a first mounting plate (110) erected on the base plate (100), and a second mounting plate (120). A differential (130) is located between the first mounting plate (110) and the second mounting plate (120). The differential (130) is rotatably connected to the first mounting plate (110) and the second mounting plate (120). The differential (130) is fitted with a reverse gear ring (140). The reverse gear assembly is installed on the edge of the first mounting plate (110) and includes a reverse gear (150) and a reverse motor (160). The reverse motor (160) is used to drive the reverse gear (150) to rotate. The reverse gear (150) can mesh with the reverse gear ring (140) to realize reversing.

2. The driving mechanism according to claim 1, characterized in that, The first mounting plate (110) has an outer arc side (180) away from the base plate (100), the center of the outer arc side (180) is used to connect the differential (130), and the reverse gear assembly is disposed on the outer arc side (180).

3. The driving mechanism according to claim 2, characterized in that, The substrate (100) is provided with a lower mounting portion (190), which is located on the side of the substrate (100) facing away from the first mounting plate (110) and the second mounting plate (120). The first mounting plate (110) is provided with a side-protruding mounting portion (200), and the reverse gear assembly is provided at the connection between the outer arc side (180) and the side-protruding mounting portion (200).

4. A driving mechanism according to claim 3, characterized in that, The reverse gear assembly has a first mounting ear (210) and a second mounting ear (220) connected to the first mounting plate (110), the first mounting ear (210) being disposed close to the side-protruding mounting portion (200), and the second mounting ear (220) being disposed away from the side-protruding mounting portion (200).

5. A driving mechanism according to claim 1, characterized in that, The reverse gear assembly includes a gearbox (170), the reverse gear (150) and the reverse motor (160) are mounted on the gearbox (170), and the gearbox (170) is connected to the first mounting plate (110).

6. A driving mechanism according to claim 5, characterized in that, The first mounting plate (110) is provided with a recess (230) for accommodating the edge of the gearbox (170), and / or the gearbox (170) has a mounting ear, the first mounting plate (110) is provided with a mounting hole corresponding to the mounting ear, the mounting ear is located on the side of the mounting hole near the second mounting plate (120), and the mounting ear is threaded through the mounting hole by a bolt.

7. A driving mechanism according to claim 5, characterized in that, The gearbox (170) includes a plurality of gears, including a first gear (240), the first gear (240) and the reverse gear (150) are coaxially mounted, and a clutch structure is provided between the first gear (240) and the reverse gear (150), the clutch structure being able to transmit reverse power from the first gear (240) to the reverse gear (150) or release the transmission.

8. A driving mechanism according to claim 7, characterized in that, The clutch structure includes a drive shaft (250) for mounting the reverse gear (150), the first gear (240) having a central hole (260) through which the drive shaft (250) passes, one of the drive shaft (250) and the central hole (260) being provided with a drive key (280), and the other of the drive shaft (250) and the central hole (260) being provided with a drive groove (270) for accommodating the drive key (280), the drive shaft (250) being axially movable to allow the drive key (280) to be inserted into the drive groove (270) or to be removed from the drive groove (270).

9. A driving mechanism according to claim 8, characterized in that, The transmission key (280) and the transmission groove (270) are spiral-shaped.

10. A motorcycle tricycle, characterized in that, Includes a drive mechanism as described in any one of claims 1 to 9.

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