CN219096878U

CN219096878U - Automatic lifting auxiliary wheel device for two-wheel electric vehicle and motorcycle

Info

Publication number: CN219096878U
Application number: CN202320245103.9U
Authority: CN
Inventors: 陈卫; 刘闽荣
Original assignee: Wuxi Anyang Intelligent Technology Co ltd
Current assignee: Wuxi Anyang Intelligent Technology Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-05-30
Anticipated expiration: 2033-02-17

Abstract

The utility model relates to the technical field of two-wheel vehicle type auxiliary supporting devices, and provides an automatic lifting auxiliary wheel device for two-wheel electric vehicles and motorcycles, which can solve the technical problems that an existing limiting piece is easy to break and has poor reliability. The device includes auxiliary wheel, digging arm, support and drive unit, and auxiliary wheel rotates to support on the digging arm, and the digging arm rotates to support on the support, and drive unit is fixed in on the support and is connected with the digging arm transmission, its characterized in that: the end part of the movable arm is connected with a sector gear which rotates synchronously with the movable arm, the sector gear is meshed with an output gear of the driving unit, the sector gear is provided with a hollowed hole, a limiting rod penetrates through the hollowed hole and then is fixedly connected with the bracket through a supporting piece, and limiting grooves matched with the limiting rod are respectively formed in two sides of the hollowed hole in the rotation direction of the sector gear.

Description

Automatic lifting auxiliary wheel device for two-wheel electric vehicle and motorcycle

Technical Field

The utility model relates to the technical field of two-wheel vehicle type auxiliary supporting devices, in particular to an automatic lifting auxiliary wheel device for two-wheel electric vehicles and motorcycles.

Background

The auxiliary wheel device is used for auxiliary support of wheels of electric vehicles and motorcycles, comprises auxiliary support under the condition of tire damage and the teaching condition of novice, and has the function of replacing original mechanical supporting feet.

The auxiliary wheel device mainly comprises an auxiliary wheel, a movable arm, a support and a driving unit, wherein the auxiliary wheel rotates and is supported on the movable arm, the movable arm rotates and is supported on the support, and the driving unit is fixed on the support and is in transmission connection with the movable arm so as to drive the movable arm to swing, so that the movable arm is switched between the supporting state and the stowing state, and meanwhile, a matched limiting piece is required to limit. The existing limiting piece comprises a base plate fixed with the end part of the movable arm and a baffle plate which is turned outwards by 90 degrees relative to the base plate, wherein the baffle plate can be formed by welding or bending, but the baffle plate is easy to break due to the fact that the two structures are found in the follow-up test: the welding requirement of the former is higher, and once the welding strength is insufficient, the welding strength can break, and particularly in the mass production process, the welding strength is more obvious; after the latter is bent and formed, the strength of the bending part is weakened, and the subsequent fracture is easy to occur, so that the reliability of the device is poor; although both of these can solve the above-mentioned technical problems by optimizing the baffle material selection, thickness adjustment, and welding method, they cause an increase in cost.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an automatic lifting auxiliary wheel device for a two-wheeled electric vehicle and a motorcycle, which can solve the technical problems that the existing limiting piece is easy to break and the reliability of the device is poor on the premise of considering the production cost.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the utility model provides an automatic rising auxiliary wheel device of two-wheeled electric motor car, motorcycle, includes auxiliary wheel, digging arm, support and drive unit, auxiliary wheel rotates to be supported on the digging arm, the digging arm rotates to be supported on the support, drive unit is fixed in on the support and is connected with the digging arm transmission, its characterized in that:

the movable arm end is connected with a sector gear which rotates synchronously with the movable arm end, the sector gear is meshed with an output gear of the driving unit, the sector gear is provided with a hollowed hole, a limiting rod penetrates through the hollowed hole and then is fixedly connected with the support through a supporting piece, and limiting grooves matched with the limiting rod are respectively formed in two sides of the hollowed hole in the rotation direction of the sector gear.

Further, the limiting rod is of a cylindrical structure, and the limiting groove is of an arc-shaped structure matched with the limiting rod.

Further, the limiting rod is sleeved with a nylon ferrule, and the nylon ferrule is matched with the limiting groove.

Further, the sector gear is meshed with an output gear of the drive unit through external teeth.

Further, a gear cover is sleeved outside the sector gear, and the gear cover is fixedly connected with the supporting piece.

Further, the support includes the underbeam, the underbeam is made by hollow section bar, the section bar top is equipped with runs through both ends along length direction and is the spout that the T font set up that falls, and locking bolt's head slidable mounting is in the spout, screw rod position upwards extends and installs couple and nut.

Further, the lower end of the movable arm is bent towards the rotating area to form a supporting part.

Furthermore, the auxiliary wheels which are obliquely arranged are arranged on the outer side wall of the movable arm, so that the auxiliary wheels on two sides of the electric vehicle and the motorcycle are arranged in a splayed shape in the use state.

Further, the driving unit comprises a motor and a speed reducer, the motor is in transmission connection with the speed reducer, the speed reducer is fixed on a supporting piece, and the supporting piece is fixed on the lower beam.

Further, a movable arm is rotatably arranged on one side of the bracket; or, movable arms are arranged on two sides of the bracket;

when the movable arms are arranged on two sides of the support, the two movable arms are driven by the same driving unit, or the two movable arms are respectively connected with the independent driving units.

(III) beneficial effects

The utility model has the following beneficial effects: the limiting rod is matched with the sector gear at the transmission end, and is a single straight rod piece, bending or welding processing is not needed, the strength is high, the breakage is not easy, and the reliability is good; in addition, the limiting rod is arranged inside the device, so that the attractiveness of the device can be improved.

Drawings

FIG. 1 is a schematic view of a first view of the present utility model;

fig. 2 is a schematic view of the gear cover, the gear motor housing, and the support member with the upper portion omitted in fig. 1;

FIG. 3 is a schematic view of the combination of a sector gear, a stop lever and a nylon ferrule according to the present utility model;

fig. 4 is a schematic structural view of the second view of the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an automatic lifting auxiliary wheel device for two-wheeled electric vehicles and motorcycles comprises an auxiliary wheel 1, a movable arm 2, a bracket and a driving unit, wherein the auxiliary wheel 1 is rotatably supported on the movable arm 2, the movable arm 2 is rotatably supported on the bracket, the driving unit is fixed on the bracket and is in transmission connection with the movable arm 2, the end part of the movable arm 2 is connected with a sector gear 9 which synchronously rotates with the movable arm 2, the sector gear 9 is meshed with an output gear 10 of the driving unit, the sector gear 9 is provided with a hollowed hole 9c, a limiting rod 11 is fixedly connected with the bracket through a supporting piece 13 after penetrating through the hollowed hole 9c, and limiting grooves 9c matched with the limiting rod 11 are respectively arranged on two sides of the hollowed hole in the rotating direction of the sector gear 9; as shown in fig. 2, the upper limit groove 9c corresponds to the retracted state of the movable arm 2, and the lower limit groove 9c corresponds to the raised state of the movable arm.

In this embodiment, the sector gear includes sector main part and connects in the annular connecting portion 9d of sector main part centre of a circle end, the sector main part passes through external tooth 9a and the output gear 10 meshing of drive unit, can reduce sector gear overall dimension, and the setting of fretwork hole 9c on the one hand, in its rotation in-process provides and dodges the space with gag lever post 11 complex, on the other hand plays the effect of subtracting the heavy, annular connecting portion 9d pass through bolt and movable wall 2 tip fixed connection and provide the through-hole that supplies the pivot to run through.

In this embodiment, the stop lever 11 is in a cylindrical structure, specifically adopts a bolt form, does not need to be additionally processed, can select a standard component, has lower cost, is locked and fixed by a nut after being in threaded fit with the supporting component 13, is not easy to loosen, has good reliability, and the stop slot is in an arc structure matched with the optical axis of the stop lever. And a nylon ferrule 12 is sleeved outside the limiting rod 11, and the nylon ferrule 12 is matched with the limiting groove. The nylon ferrule has better toughness and wear resistance, and can play a buffering role in collision between the limiting rod 11 and the sector gear 9.

In this embodiment, the sector gear 9 is sleeved with a gear cover 4, and the gear cover 4 is fixedly connected with a supporting member 13. The gear cover 4 has an attractive effect on one hand and a dustproof and waterproof effect on the other hand.

In this embodiment, the support includes underbeam 3, underbeam 3 is made by hollow section bar, the section bar top is equipped with along length direction runs through both ends and is the spout 3a that the reverse T font set up, and locking bolt 6's head slidable mounting is in the spout, screw rod position upwards extends and installs couple 7 and nut 8, conveniently screws up the nut, fixes couple 7 and the relevant connecting piece of frame. Because the underbeam is made of the section bar, the length of the section bar can be adjusted according to the installation width requirements of different vehicle types, and the production cost can be effectively reduced without outward-opening die casting.

In this embodiment, the lower end of the movable arm 2 is bent towards the rotation area to form a supporting part, so as to increase the supporting area of the lower end of the movable arm and improve the stability; meanwhile, if the lower end of the movable arm 2 is bent towards one side of the auxiliary wheel 1, a gap exists between the auxiliary wheel and the bent part, once sundries such as stones are clamped into the gap in the vehicle retreating process, the auxiliary wheel 1 is clamped, and the situation can be effectively avoided.

In this embodiment, the outer side wall of the movable arm 2 is provided with the auxiliary wheels 1 arranged in an inclined manner, so that the auxiliary wheels 1 on two sides of the electric vehicle or the motorcycle are arranged in a splayed manner in the use state, namely, in a negative camber angle mode, when the vehicle turns, the vehicle body can incline to the outer side of the curve, and the outer side wheels also incline outwards, so that the contact area between the wheels and the ground can be increased, the ground grabbing force of the wheels can be improved, and the vehicle turns more stably.

In this embodiment the drive unit comprises a gear motor 5, i.e. a gear reducer and a motor are integrated, the gear motor 5 being fixed to a support 13, the support 13 being fixed to the lower beam 3.

In this embodiment, the two sides of the bracket are respectively provided with a movable arm 2, and the two movable arms are synchronously connected through a rotating shaft penetrating through the lower beam 3 (the rotating shaft is matched with the movable arms through a flat key). In other embodiments, the two movable arms 2 are respectively connected with separate driving units, and the rotating shaft only provides support and is in flat key fit with the movable arms. In other embodiments, the movable arm 2 is rotatably mounted on one side of the bracket, that is, in the use process, a set of automatic lifting auxiliary wheel devices are required to be additionally mounted on two sides of the wheels of the battery car and the motorcycle respectively, so as to adapt to the interference condition of the structures of the battery car and the motorcycle and the longer underbeam 3 or the transmission shaft.

In the embodiment, the lower part of the supporting piece 13 is fixed with the end part of the lower beam through bolts, and plays roles of covering the opening of the lower beam and supporting the rotating shaft; the upper end of the supporting piece 13 extends upwards to play a role in fixing the gear motor 5 and the limiting rod 11; the side of the support 13 is formed with a rib plate 13a, and the rib plate 13a is fixed with the lower beam 3 through a bolt, so as to increase the strength of the support 13.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides an automatic rising auxiliary wheel device of two-wheeled electric motor car, motorcycle, includes auxiliary wheel, digging arm, support and drive unit, auxiliary wheel rotates to be supported on the digging arm, the digging arm rotates to be supported on the support, drive unit is fixed in on the support and is connected with the digging arm transmission, its characterized in that:

2. The automatic lifting auxiliary wheel device for two-wheeled electric vehicles and motorcycles as claimed in claim 1, wherein the limiting rod is of a cylindrical structure, and the limiting groove is of an arc-shaped structure matched with the limiting rod.

3. The automatic lifting auxiliary wheel device for the two-wheeled electric vehicle and the motorcycle according to claim 2, wherein the limiting rod is sleeved with a nylon ferrule, and the nylon ferrule is matched with the limiting groove.

4. An automatic lifting auxiliary wheel device for two-wheeled electric vehicles and motorcycles as claimed in claim 1, wherein said sector gear is engaged with an output gear of the drive unit by external teeth.

5. The automatic lifting auxiliary wheel device for two-wheeled electric vehicles and motorcycles as claimed in claim 4, wherein the sector gear is sleeved with a gear cover, and the gear cover is fixedly connected with the supporting piece.

6. The automatic lifting auxiliary wheel device for two-wheeled electric vehicles and motorcycles according to claim 1, wherein the bracket comprises a lower beam, the lower beam is made of a hollow section, the top of the section is provided with a chute penetrating through two ends along the length direction and arranged in an inverted T shape, the head of the locking bolt is slidably arranged in the chute, and the screw part extends upwards and is provided with a hook and a nut.

7. The automatic lifting auxiliary wheel device for two-wheeled electric vehicles and motorcycles according to claim 1, wherein the lower end of the movable arm is bent toward the rotation area to form a supporting part.

8. The automatic lifting auxiliary wheel device for the two-wheeled electric vehicle and motorcycle according to claim 1, wherein the auxiliary wheels which are obliquely arranged are arranged on the outer side wall of the movable arm, so that the auxiliary wheels on two sides of the electric vehicle and the motorcycle are arranged in a splayed shape in a use state.

9. The automatic lifting auxiliary wheel device for two-wheeled electric vehicles and motorcycles according to claim 1, wherein the driving unit comprises a motor and a speed reducer, the motor is in transmission connection with the speed reducer, the speed reducer is fixed on a supporting member, and the supporting member is fixed on a lower beam.

10. The automatic lifting auxiliary wheel device for the two-wheeled electric vehicle and the motorcycle according to claim 1, wherein the movable arm is rotatably arranged on one side of the bracket; or, movable arms are arranged on two sides of the bracket;